Delaware, United States Weather

Delaware,  Weather
(Photo by Nathan Anderson on Unsplash)

Current conditions

Updated:
22°C
71.6°F
°C °F

Condition: Clear Sky

Pressure: 1,015 hPa

Feel like: 24 °C

Temperature: 22°C

Cloud: 0%

Humidity: 80%

Wind: NNE - 5 km/h

Visibility: 17.9 km

Weather forecast

Sun
20 Sep
19°C / 26°C
Moderate Drizzle
Mon
21 Sep
17°C / 21°C
Slight Rain Showers
Tue
22 Sep
15°C / 18°C
Violent Rain Showers
Wed
23 Sep
15°C / 17°C
Slight Rain
Thu
24 Sep
12°C / 16°C
Overcast
Hourly forecast today:
02:00 AM
18° / 22°
18° / 22°
Clear Sky
80% 7 km/h
03:00 AM
19° / 21°
19° / 21°
Clear Sky
88% 12 km/h
04:00 AM
19° / 21°
19° / 21°
Clear Sky
92% 14 km/h
05:00 AM
19° / 20°
19° / 20°
Clear Sky
92% 10 km/h
06:00 AM
18° / 19°
18° / 19°
Clear Sky
93% 6 km/h
07:00 AM
18° / 19°
18° / 19°
Clear Sky
95% 10 km/h
08:00 AM
17° / 19°
17° / 19°
Clear Sky
92% 21 km/h
09:00 AM
14° / 18°
14° / 18°
Clear Sky
78% 23 km/h
10:00 AM
15° / 18°
15° / 18°
Mainly Clear
82% 23 km/h
11:00 AM
15° / 17°
15° / 17°
Clear Sky
84% 20 km/h
12:00 PM
16° / 19°
16° / 19°
Clear Sky
79% 25 km/h

30 Day Averages and Extremes

  • Average high 23.9°C
  • Average low 16.4°C
  • Hottest day 31°C (10 September 2026)
  • Coldest day 9°C (03 October 2026)
  • Average humidity 76.2%
  • Days with precipitation 20 days
  • Highest precipitation 35 mm (21 September 2026)

Yesterday's Data

  • Max: 29°C
  • Min: 21°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Delaware over the next 12 hours

Temperature and possibility of rain in Delaware in the coming days

Rainfall in Delaware in the coming days

Delaware Climate Summary

Delaware features a Humid subtropical, no dry season (Köppen classification: Cfa), with an average annual temperature of 14.55ºC (58.19ºF), which is about 1.91% higher than the national average for United States. Annually, the city experiences approximately 58.05 millimeters (2.29 inches) of rainfall, spread across 108.28 rainy days, accounting for 29.67% of the year.

Longitude 38.9108325
Latitude -75.5276699
Yearly high temperature 16.95ºC (62.51ºF)
Yearly low temperature 10.3ºC (50.54ºF)
Hottest month July 28.62ºC (83.52ºF)
Coldest month February -0.26ºC (31.53ºF)
Yearly precip 58.05mm (2.29in)
Days with rainfall 108.28 days (29.67%)
Driest month January (74.45%)
Wettest month August (78.58%)

Weather averages by month

Month High / Low (°C) Rain
January 4.57° / -1.45° 6.82 days
February 6.35° / -0.26° 7.45 days
March 9.86° / 3.21° 8.82 days
April 15.88° / 8.53° 8.0 days
May 20.98° / 13.91° 11.73 days
June 25.83° / 18.58° 11.0 days
July 28.62° / 21.69° 14.09 days
August 27.48° / 20.6° 12.82 days
September 24.52° / 17.88° 8.55 days
October 18.92° / 12.6° 6.91 days
November 12.37° / 5.95° 4.82 days
December 8.03° / 2.4° 7.27 days

Frequently asked questions

1. What is the hottest month in Delaware?

July has the highest average monthly temperature (daily mean of 28.62ºC) and February are the coolest (daily mean of -0.26ºC).

2. What should I wear in Delaware today?

For today's very hot weather in Delaware, with the high temperatures above 26ºC (78.8ºF), consider wearing:
- Breathable shorts or skirts
- Sunscreen for skin protection
- Open-toed sandals or light sneakers
- Loose and airy fabrics like linen or cotton

Temperature

Early
19°C / 21°C
Morning
14°C / 18°C
Afternoon
17°C / 23°C
Evening
17°C / 24°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 467
  • CO 223
  • NH3 0
  • NO2 9
  • O3 91
  • PM10 15
  • PM25 13
  • SO2 1
  • CH4 1,441

Sunrise / Sunset

10:47
23:03