States › Pennsylvania › Delaware County › Winter

Winter in Delaware County, Pennsylvania

214 winter storms and snow events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Winter Storm, Winter Weather, Heavy Snow, Blizzard, Ice Storm, Lake-Effect Snow, Sleet.

214 events · 5 deaths recorded · peak month January · county share of state 2.3%

Winter event locations in and around Delaware County. Boundaries: US Census Bureau.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.

NCEI records 214 winter events in Delaware County, Pennsylvania, between 1950 and 2026, spread over 30 years.

January is the busiest month, with 70 of the recorded events. The last 20 years account for 143 events against 71 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 2.3% of the 9,299 winter events recorded in Pennsylvania; its 116.4 per 100 square miles compares with 20.8 statewide.

NCEI attributes 5 deaths in the county to winter storms and snow.

Some winter weather and high wind events are recorded by NWS forecast zone rather than by county; zone-recorded events whose zone is named for the county are included and marked "Forecast zone" in the table.

Compared with Pennsylvania

Measure	Delaware County	Pennsylvania	US
Winter events since 1950	214	9,299	287,339
Per 100 square miles	116.4	20.8	8.1
Per 10,000 residents	3.7	7.2	8.7
Deaths recorded	5	130	2,509
Busiest month	January	January	January

By year

195019882026

Winter events recorded in Delaware County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
70Feb
70Mar
30Apr
5May
0Jun
0Jul
0Aug
0Sep
0Oct
1Nov
5Dec
33

Winter events in Delaware County by month of occurrence, all years.

Recorded events

The 197 events kept for this page are the 120 most recent plus the 80 with the most damage, deaths or injuries out of 214. Magnitude is hail size, tornado rating or wind speed as recorded.

Date	Event type	Magnitude	Property damage	Crop damage	Deaths	Injuries	Geography
3 Mar 2026	Winter Weather	—	—	—	—	—	Forecast zone
22 Feb 2026	Winter Storm	—	—	—	—	—	Forecast zone
25 Jan 2026	Winter Storm	—	—	—	—	—	Forecast zone
18 Jan 2026	Winter Weather	—	—	—	—	—	Forecast zone
26 Dec 2025	Winter Weather	—	—	—	—	—	Forecast zone
13 Dec 2025	Winter Storm	—	—	—	—	—	Forecast zone
11 Feb 2025	Winter Weather	—	—	—	—	—	Forecast zone
8 Feb 2025	Winter Weather	—	—	—	—	—	Forecast zone
6 Feb 2025	Winter Weather	—	—	—	—	—	Forecast zone
19 Jan 2025	Winter Weather	—	—	—	—	—	Forecast zone
6 Jan 2025	Winter Weather	—	—	—	—	—	Forecast zone
17 Feb 2024	Winter Weather	—	—	—	—	—	Forecast zone
13 Feb 2024	Winter Weather	—	—	—	—	—	Forecast zone
19 Jan 2024	Winter Storm	—	—	—	—	—	Forecast zone
15 Jan 2024	Winter Weather	—	—	—	—	—	Forecast zone
23 Dec 2022	Winter Weather	—	—	—	—	—	Forecast zone
12 Mar 2022	Winter Weather	—	—	—	—	—	Forecast zone
24 Feb 2022	Winter Weather	—	—	—	—	—	Forecast zone
13 Feb 2022	Winter Weather	—	—	—	—	—	Forecast zone
28 Jan 2022	Winter Storm	—	—	—	—	—	Forecast zone
16 Jan 2022	Winter Weather	—	—	—	—	—	Forecast zone
7 Jan 2022	Winter Weather	—	—	—	—	—	Forecast zone
5 Jan 2022	Winter Weather	—	—	—	—	—	Forecast zone
22 Feb 2021	Winter Weather	—	—	—	—	—	Forecast zone
18 Feb 2021	Winter Storm	—	—	—	—	—	Forecast zone
13 Feb 2021	Winter Weather	—	—	—	—	—	Forecast zone
10 Feb 2021	Winter Weather	—	—	—	—	—	Forecast zone
7 Feb 2021	Winter Storm	—	—	—	—	—	Forecast zone
1 Feb 2021	Winter Storm	—	—	—	—	—	Forecast zone
31 Jan 2021	Winter Weather	—	—	—	—	—	Forecast zone
16 Dec 2020	Winter Storm	—	—	—	—	—	Forecast zone
18 Jan 2020	Winter Weather	—	—	—	—	—	Forecast zone
3 Mar 2019	Winter Weather	—	—	—	—	—	Forecast zone
1 Mar 2019	Winter Weather	—	—	—	—	—	Forecast zone
20 Feb 2019	Winter Storm	—	—	—	—	—	Forecast zone
11 Feb 2019	Winter Weather	—	—	—	—	—	Forecast zone
10 Feb 2019	Winter Weather	—	—	—	—	—	Forecast zone
12 Jan 2019	Winter Weather	—	—	—	—	—	Forecast zone
15 Nov 2018	Winter Weather	—	—	—	—	—	Forecast zone
21 Mar 2018	Winter Storm	—	—	—	—	—	Forecast zone
6 Mar 2018	Winter Storm	—	—	—	—	—	Forecast zone
2 Mar 2018	Winter Storm	—	—	—	—	—	Forecast zone
17 Feb 2018	Winter Weather	—	—	—	—	—	Forecast zone
4 Jan 2018	Winter Storm	—	—	—	—	—	Forecast zone
9 Dec 2017	Winter Weather	—	—	—	—	—	Forecast zone
14 Mar 2017	Winter Storm	—	—	—	—	—	Forecast zone
10 Mar 2017	Winter Weather	—	—	—	—	—	Forecast zone
7 Jan 2017	Winter Weather	—	—	—	—	—	Forecast zone
5 Jan 2017	Winter Weather	—	—	—	—	—	Forecast zone
17 Dec 2016	Winter Weather	—	—	—	—	—	Forecast zone
15 Dec 2016	Winter Weather	—	—	—	—	—	Forecast zone
9 Apr 2016	Winter Weather	—	—	—	—	—	Forecast zone
15 Feb 2016	Winter Weather	—	—	—	—	—	Forecast zone
9 Feb 2016	Heavy Snow	—	—	—	—	—	Forecast zone
5 Feb 2016	Winter Weather	—	—	—	—	—	Forecast zone
22 Jan 2016	Winter Storm	—	—	—	—	—	Forecast zone
20 Mar 2015	Winter Weather	—	—	—	—	—	Forecast zone
5 Mar 2015	Heavy Snow	—	—	—	—	—	Forecast zone
3 Mar 2015	Winter Weather	—	—	—	—	—	Forecast zone
1 Mar 2015	Winter Storm	—	—	—	—	—	Forecast zone
21 Feb 2015	Winter Storm	—	—	—	—	—	Forecast zone
16 Feb 2015	Heavy Snow	—	—	—	—	—	Forecast zone
14 Feb 2015	Winter Weather	—	—	—	—	—	Forecast zone
9 Feb 2015	Winter Weather	—	—	—	—	—	Forecast zone
1 Feb 2015	Winter Weather	—	—	—	—	—	Forecast zone
25 Jan 2015	Winter Weather	—	—	—	—	—	Forecast zone
23 Jan 2015	Winter Weather	—	—	—	—	—	Forecast zone
21 Jan 2015	Winter Weather	—	—	—	—	—	Forecast zone
18 Jan 2015	Winter Weather	—	—	—	2	20	Forecast zone
12 Jan 2015	Winter Weather	—	—	—	—	—	Forecast zone
6 Jan 2015	Winter Weather	—	—	—	—	—	Forecast zone
26 Nov 2014	Winter Weather	—	—	—	—	—	Forecast zone
16 Mar 2014	Winter Weather	—	—	—	—	—	Forecast zone
2 Mar 2014	Winter Weather	—	—	—	—	—	Forecast zone
18 Feb 2014	Winter Weather	—	—	—	—	—	Forecast zone
12 Feb 2014	Winter Storm	—	—	—	—	—	Forecast zone
9 Feb 2014	Winter Weather	—	—	—	—	—	Forecast zone
4 Feb 2014	Ice Storm	—	—	—	—	—	Forecast zone
3 Feb 2014	Heavy Snow	—	—	—	—	—	Forecast zone
25 Jan 2014	Winter Weather	—	—	—	—	—	Forecast zone
21 Jan 2014	Heavy Snow	—	—	—	1	—	Forecast zone
10 Jan 2014	Winter Weather	—	—	—	—	—	Forecast zone
5 Jan 2014	Winter Weather	—	—	—	—	—	Forecast zone
2 Jan 2014	Heavy Snow	—	—	—	—	—	Forecast zone
17 Dec 2013	Winter Weather	—	—	—	—	—	Forecast zone
14 Dec 2013	Winter Weather	—	—	—	—	—	Forecast zone
10 Dec 2013	Heavy Snow	—	—	—	—	—	Forecast zone
8 Dec 2013	Winter Storm	—	—	—	—	—	Forecast zone
25 Mar 2013	Winter Weather	—	—	—	—	—	Forecast zone
13 Feb 2013	Winter Weather	—	—	—	—	—	Forecast zone
8 Feb 2013	Winter Weather	—	—	—	—	—	Forecast zone
28 Jan 2013	Winter Weather	—	—	—	—	—	Forecast zone
25 Jan 2013	Winter Weather	—	—	—	—	—	Forecast zone
21 Jan 2013	Winter Weather	—	—	—	—	—	Forecast zone
6 Jan 2013	Winter Weather	—	—	—	—	—	Forecast zone
29 Dec 2012	Winter Weather	—	—	—	—	—	Forecast zone
27 Nov 2012	Winter Weather	—	—	—	—	—	Forecast zone
11 Feb 2012	Winter Weather	—	—	—	—	—	Forecast zone
10 Feb 2012	Winter Weather	—	—	—	—	—	Forecast zone
21 Jan 2012	Winter Weather	—	—	—	—	—	Forecast zone
29 Oct 2011	Winter Weather	—	—	—	—	—	Forecast zone
21 Feb 2011	Heavy Snow	—	—	—	—	—	Forecast zone
5 Feb 2011	Winter Weather	—	—	—	—	—	Forecast zone
1 Feb 2011	Ice Storm	—	—	—	—	—	Forecast zone
1 Feb 2011	Winter Weather	—	—	—	—	—	Forecast zone
26 Jan 2011	Winter Storm	—	—	—	—	—	Forecast zone
21 Jan 2011	Winter Weather	—	—	—	—	—	Forecast zone
17 Jan 2011	Winter Weather	—	—	—	—	—	Forecast zone
11 Jan 2011	Winter Storm	—	—	—	—	—	Forecast zone
8 Jan 2011	Winter Weather	—	—	—	—	—	Forecast zone
7 Jan 2011	Winter Weather	—	—	—	—	—	Forecast zone
26 Dec 2010	Heavy Snow	—	—	—	—	—	Forecast zone
16 Dec 2010	Winter Weather	—	—	—	—	—	Forecast zone
25 Feb 2010	Winter Storm	—	—	—	—	—	Forecast zone
16 Feb 2010	Winter Weather	—	—	—	—	—	Forecast zone
15 Feb 2010	Winter Weather	—	—	—	—	—	Forecast zone
9 Feb 2010	Winter Storm	—	$2.5M	—	—	—	Forecast zone
5 Feb 2010	Winter Storm	—	—	—	—	—	Forecast zone
2 Feb 2010	Winter Weather	—	—	—	—	—	Forecast zone
30 Jan 2010	Winter Weather	—	—	—	—	—	Forecast zone
19 Dec 2009	Heavy Snow	—	—	—	1	—	Forecast zone
5 Dec 2007	Winter Weather	—	—	—	—	—	Forecast zone
2 Dec 2007	Winter Weather	—	—	—	—	—	Forecast zone
25 Feb 2007	Winter Storm	—	—	—	—	—	Forecast zone
13 Feb 2007	Winter Storm	—	—	—	—	—	Forecast zone
25 Jan 2007	Winter Weather	—	—	—	—	—	Forecast zone
2 Mar 2006	Winter Weather	—	—	—	—	—	Forecast zone
12 Feb 2006	Winter Storm	—	—	—	—	—	Forecast zone
15 Dec 2005	Winter Weather	—	—	—	—	—	Forecast zone
9 Dec 2005	Winter Storm	—	—	—	—	—	Forecast zone
6 Dec 2005	Heavy Snow	—	—	—	—	—	Forecast zone
4 Dec 2005	Winter Weather	—	—	—	—	—	Forecast zone
8 Mar 2005	Winter Weather	—	—	—	—	—	Forecast zone
1 Mar 2005	Heavy Snow	—	—	—	—	—	Forecast zone
28 Feb 2005	Heavy Snow	—	—	—	—	—	Forecast zone
24 Feb 2005	Heavy Snow	—	—	—	—	—	Forecast zone
20 Feb 2005	Winter Weather	—	—	—	—	—	Forecast zone
29 Jan 2005	Winter Weather	—	—	—	—	—	Forecast zone
24 Jan 2005	Winter Weather	—	—	—	—	—	Forecast zone
22 Jan 2005	Heavy Snow	—	—	—	—	—	Forecast zone
19 Jan 2005	Winter Weather	—	—	—	—	—	Forecast zone
26 Dec 2004	Winter Weather	—	—	—	—	—	Forecast zone
19 Dec 2004	Winter Weather	—	—	—	—	—	Forecast zone
19 Mar 2004	Winter Weather	—	—	—	—	—	Forecast zone
16 Mar 2004	Winter Weather	—	—	—	—	—	Forecast zone
6 Feb 2004	Winter Weather	—	—	—	—	—	Forecast zone
27 Jan 2004	Winter Weather	—	—	—	—	—	Forecast zone
25 Jan 2004	Winter Weather	—	—	—	—	—	Forecast zone
23 Jan 2004	Winter Weather	—	—	—	—	—	Forecast zone
17 Jan 2004	Winter Weather	—	—	—	—	—	Forecast zone
14 Dec 2003	Winter Weather	—	—	—	—	—	Forecast zone
5 Dec 2003	Winter Storm	—	—	—	—	—	Forecast zone
7 Apr 2003	Winter Weather	—	—	—	—	—	Forecast zone
6 Mar 2003	Winter Weather	—	—	—	—	—	Forecast zone
27 Feb 2003	Winter Weather	—	—	—	—	—	Forecast zone
23 Feb 2003	Winter Weather	—	—	—	—	—	Forecast zone
16 Feb 2003	Winter Storm	—	$1.0M	—	—	—	Forecast zone
15 Feb 2003	Winter Weather	—	—	—	—	—	Forecast zone
10 Feb 2003	Winter Weather	—	—	—	—	—	Forecast zone
6 Feb 2003	Heavy Snow	—	—	—	—	—	Forecast zone
29 Jan 2003	Winter Weather	—	—	—	—	—	Forecast zone
5 Jan 2003	Winter Weather	—	—	—	—	—	Forecast zone
5 Dec 2002	Heavy Snow	—	—	—	—	—	Forecast zone
17 Mar 2002	Sleet	—	—	—	—	—	Forecast zone
19 Jan 2002	Winter Storm	—	—	—	—	—	Forecast zone
4 Mar 2001	Sleet	—	—	—	—	—	Forecast zone
22 Feb 2001	Heavy Snow	—	—	—	—	—	Forecast zone
12 Feb 2001	Sleet	—	—	—	—	—	Forecast zone
5 Feb 2001	Winter Storm	—	—	—	—	—	Forecast zone
20 Jan 2001	Winter Storm	—	—	—	—	—	Forecast zone
5 Jan 2001	Heavy Snow	—	—	—	—	—	Forecast zone
30 Dec 2000	Heavy Snow	—	—	—	—	—	Forecast zone
19 Dec 2000	Heavy Snow	—	—	—	—	—	Forecast zone
13 Dec 2000	Winter Weather	—	—	—	—	—	Forecast zone
9 Apr 2000	Heavy Snow	—	—	—	—	—	Forecast zone
18 Feb 2000	Sleet	—	—	—	—	—	Forecast zone
3 Feb 2000	Heavy Snow	—	—	—	—	—	Forecast zone
30 Jan 2000	Winter Storm	—	—	—	—	—	Forecast zone
25 Jan 2000	Winter Storm	—	—	—	—	—	Forecast zone
20 Jan 2000	Heavy Snow	—	—	—	—	—	Forecast zone
14 Mar 1999	Heavy Snow	—	—	—	—	—	Forecast zone
13 Jan 1999	Winter Storm	—	—	—	—	12	Forecast zone
8 Jan 1999	Winter Weather	—	—	—	—	—	Forecast zone
2 Jan 1999	Winter Weather	—	—	—	—	—	Forecast zone
23 Dec 1998	Winter Weather	—	—	—	—	—	Forecast zone
1 Apr 1997	Heavy Snow	—	—	—	—	—	Forecast zone
31 Mar 1997	Heavy Snow	—	—	—	—	—	Forecast zone
14 Feb 1997	Winter Weather	—	—	—	—	—	Forecast zone
8 Feb 1997	Winter Weather	—	—	—	—	—	Forecast zone
22 Jan 1997	Winter Weather	—	—	—	—	—	Forecast zone
11 Jan 1997	Winter Weather	—	—	—	—	—	Forecast zone
9 Jan 1997	Winter Weather	—	—	—	—	—	Forecast zone
28 Nov 1996	Winter Weather	—	—	—	—	—	Forecast zone
9 Apr 1996	Winter Weather	—	—	—	—	—	Forecast zone
16 Feb 1996	Heavy Snow	—	—	—	—	—	Forecast zone
2 Feb 1996	Heavy Snow	—	—	—	—	—	Forecast zone
7 Jan 1996	Blizzard	—	$1.4M	—	1	—	Forecast zone

Questions and answers

How many winter events has Delaware County had?

214 events in the NCEI Storm Events record between 1950 and 2026. Reporting of winter storms and snow became far more complete after 1996, so early decades undercount.

When was the last recorded winter event in Delaware County?

3 Mar 2026 (Winter Weather). Records reach NCEI about 120 days after the month ends.

What was the most damaging winter event recorded in Delaware County?

The winter storm of 9 Feb 2010, with property damage estimated by NCEI at $2.5M.

How does Delaware County compare with Pennsylvania for winter?

116.4 events per 100 square miles against 20.8 statewide; the county holds 214 of the state's 9,299 recorded events.

Provenance

NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Winter hub and the county page.