Statewide areal climate 1951–2025
Delaware
A 56.6°F / 45.5" normal · 2025 ran -0.6°F vs normal. 3 counties.
2026 so far · through Jul 9: This area is running +0.3°F (53.0°F) vs the 1996–2025 to-date normal — the 18th warmest start of 76 years. Precipitation 67% of normal. U.S. year-to-date →
Normal (1996–2025)
56.6°F
annual mean · 45.5" precipitation
2025 vs Normal
-0.6°F
56.0°F · 40.0" (88% of normal)
Warmest Year
58.6°F
2012 · coldest 52.5°F (1958)
Wettest Year
59.7in
2018 · driest 29.8" (1965)
Hottest Day
102.5°F
Jul 23 · 2011
Coldest Day
-6.1°F
Jan 22 · 1985
Biggest Rain Day
5.79in
Aug 28 · 2011
Record
1951–2025
75 complete years · NOAA nClimGrid
Where 2025 Ran Warm & Cool
Every county in Delaware by its 2025 temperature vs the 1996–2025 normal.
Monthly Climate
J
F
M
A
M
J
J
A
S
O
N
D
—— normal temperature (°F) · ▮ normal precipitation (in) · 1996–2025
Counties (3)
Areal nClimGrid averages (NOAA/NCEI) over the whole area — an average across the region, not a single station. Separate from the station records.
Hottest Since · Browse all states · See where it's coldest → coldestsince.com
part of Weather Trader · supported by Substack Subscribers · data: NWS NDFD forecast + NOAA/ACIS ThreadEx records · updated 2026-07-12 17:59Z
© 2026 Weather Trader · All rights reserved
part of Weather Trader · supported by Substack Subscribers · data: NWS NDFD forecast + NOAA/ACIS ThreadEx records · updated 2026-07-12 17:59Z
© 2026 Weather Trader · All rights reserved