Delaware
5 to 28°C
temperature
2897 hours
sunshine per day
548 mm
rain
213 days
dry
142 days
rain
10 days
snow

Climate of Delaware

The state Delaware has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Delaware is 33° degrees and there is about 216 inch of rain in a year. It is dry for 195 days a year with an average humidity of 77% and an UV-index of 4.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 5°C and 28°C
  • Night:the average nighttime temperature is between -2°C and 21°C
  • Rain: it rains 142 days and there is a total of approximately 548 mm rainfall
  • Snow: it snows an average of 10 days per year
  • Sun hours: throughout the year there are 2897 sun hours
Maximum temperature: between 5°C and 28°C
Warmest month: 28°C in July
Coldest month: 5°C in January
Night temperature: between -2°C and 21°C
Dry days: 213 days
Days with rain: 142 days
Days with snow: 10 days
Total rain sum: 548 mm
Hours of sunshine: 2897 hours

Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Delaware.

Precipitation graph

This graph shows the average amount of rainfall per month for Delaware.

Climate table of Delaware

In this climate table you can see at a glance what the average weather per month is for Delaware. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Delaware might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°F) 40 44 49 61 70 78 83 82 76 66 55 47
Night temp. (°F) 29 32 37 48 57 65 71 69 64 54 44 37
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (inch) 12 15 19 12 18 19 24 22 17 23 18 17
Days with rain 8 9 12 12 15 14 16 14 13 11 8 10
Days with snow 3 3 2 - - - - - - - - 2
Dry days 20 16 17 18 16 16 15 17 17 20 22 19
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 5 5 7 9 9 11 11 11 10 6 6 5
Wind force (Bft) 3 3 3 3 3 3 2 2 3 3 3 3
UV-index 2 3 3 4 6 6 6 6 5 4 3 2

Best time to visit Delaware

The best time to visit Delaware in the United States is May through October. In this period you have a warm temperature and little precipitation. The highest average temperature in the state of Delaware is 83°F in July and the lowest is40°F in January.

Climate of Delaware by month

What is the average climate in a given month for Delaware? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

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