The climate of Delaware

The current climate in Delaware features temperatures ranging from a high of 31°C to a low of 7°C throughout the year. The average yearly temperature is around 20°C. At night, temperatures in the colder months average around -2°C and in the warmer months around 22°C.

Average temperatures and precipitation

This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Delaware, United States.

Temperature records

The highest temperature recorded in Delaware in recent years was 37°C in July 2016. The lowest daytime temperature recorded was -10°C in January 2014.

Precipitation and snowfall

On average, Delaware gets 1165 mm of precipitation each year. Of this, about 15 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.

The climate in Delaware is based on weather data from . Other places, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in Delaware to get the full picture of the climate.

Best time to visit Delaware?

The best time to visit Delaware for sunny weather is April through June and August through October. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Delaware. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.

Climate Table of Delaware

The climate table of Delaware shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temp. max (°C) 7 8 13 19 23 28 31 30 26 21 15 10
Temp. min (°C) -1 -1 3 8 14 19 22 21 18 12 5 2
Precipitation
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Precipitation (mm) 69 95 85 86 93 93 131 107 117 91 69 129
Snow (cm) 8,3 3,6 2,0 0 0 0 0 0 0 0 0 1,0
UV Index 2 4 5 6 6 7 7 5 5 3 3 3

Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.

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Temperature charts

These charts display the average temperatures in Delaware, United States. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Average Temperature per Month in Delaware

Discover the weather by day

Yearly Temperature in Delaware

Precipitation charts

These charts show the average amount of precipitation in Delaware, United States. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Average Precipitation per Month in Delaware

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Total Yearly Precipitation in Delaware

Average Snowfall per Month in Delaware

Total Yearly Snowfall in Delaware

UV index chart

This chart shows the average UV index per month in Delaware, United States. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

Average UV Index per Month in Delaware

Weather experiences in Delaware

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Average weather in Delaware by month

Click on a month below to see detailed weather info for Delaware. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.