Delaware, United States Weather

  1. Delaware, United States Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Delaware over the next 12 hours
  7. Temperature and possibility of rain in Delaware in the coming days
  8. Rainfall in Delaware in the coming days
  9. Delaware Weather Summary
  10. Weather averages by month
  11. Delaware's weather
  12. Frequently asked questions
  13. Comments
Delaware, Weather
(Photo by Nathan Anderson on Unsplash)

Current conditions

Updated:
19°C
66.2°F
°C °F

Condition: Mainly Clear

Pressure: 1,013 hPa

Feel like: 18 °C

Temperature: 19°C

Cloud: 33%

Humidity: 73%

Wind: NW - 18 km/h

Visibility: 18.6 km

Weather forecast

Tue
12 May
6°C / 18°C
Overcast
Wed
13 May
8°C / 20°C
Moderate Rain
Thu
14 May
9°C / 14°C
Slight Rain Showers
Fri
15 May
8°C / 18°C
Overcast
Sat
16 May
11°C / 26°C
Overcast
Hourly forecast today:
02:00 AM
14° / 19°
14° / 19°
Mainly Clear
73% 37 km/h
03:00 AM
14° / 19°
14° / 19°
Partly Cloudy
77% 23 km/h
04:00 AM
15° / 18°
15° / 18°
Clear Sky
83% 18 km/h
05:00 AM
15° / 17°
15° / 17°
Partly Cloudy
88% 18 km/h
06:00 AM
15° / 16°
15° / 16°
Overcast
89% 21 km/h
07:00 AM
14° / 15°
14° / 15°
Overcast
91% 18 km/h
08:00 AM
14° / 16°
14° / 16°
Partly Cloudy
93% 41 km/h
09:00 AM
5° / 13°
5° / 13°
Overcast
59% 48 km/h
10:00 AM
3° / 12°
3° / 12°
Overcast
54% 44 km/h
11:00 AM
1° / 10°
1° / 10°
Overcast
56% 44 km/h
12:00 PM
1° / 10°
1° / 10°
Overcast
53% 34 km/h

30 Day Averages and Extremes

  • Average high 21.17°C
  • Average low 10.33°C
  • Hottest day 31°C (18 May 2026)
  • Coldest day 2°C (27 April 2026)
  • Average humidity 62.67%
  • Days with precipitation 21 days
  • Highest precipitation 30 mm (14 May 2026)

Yesterday's Data

  • Max: 28°C
  • Min: 13°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

Delaware's weather

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 mild weather in Delaware, with temperatures between 13ºC to 16ºC (55.4ºF to 60.8ºF), consider wearing:
- Cotton socks
- Light jacket (for cooler periods)
- Comfortable jeans or slacks
- Scarf (optional)

Temperature

Early
14°C / 19°C
Morning
5°C / 13°C
Afternoon
9°C / 11°C
Evening
9°C / 13°C

Air quality

Unhealthy for Sensitive Groups

Unhealthy for Sensitive Groups air quality, health effects possible for sensitive people, general public usually unaffected

  • CO2 457
  • CO 201
  • NH3 0
  • NO2 7
  • O3 116
  • PM10 16
  • PM25 16
  • SO2 4
  • CH4 1,448

Sunrise / Sunset

09:52
00:04