The weather in May in Delaware

It's warm in May in Delaware with an average temperature of 23°C. Temperatures this month range from a low of 19°C to a high of 28°C. At night, you can expect temperatures between 10°C and 18°C.

Looking for great weather? May is a good time to be in Delaware. The temperatures are nice, and there’s not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Delaware, United States. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 35°C in 2022, Delaware reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 10°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 2°C to a highest value of 24°C.

Rainfall amount

In May, there is an average of 93 mm of precipitation, spread over 12 days. The wind speed is around 4 Bft, mostly coming from the South.

Daily weather in May for Delaware

Click on any day in May to get detailed info about the usual weather on that day in Delaware. Check out the historical temperatures and precipitation over the past 10 years on this day.

May weather comparison

  Delaware New York
Average temperature 23°C 22°C
Max. temperature 28°C 28°C
Min. temperature 10°C -5°C
Total precipitation 93 mm 105 mm
Rainy days 12 days 14 days

Start of May

The month of May starts in Delaware with mild temps, averaging around 21°C during the day and nights around 12°C.

Mid May

By mid-May, daytime temps rise to around 24°C, with nights around 14°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of May

By the end of May, the average daytime temperature in Delaware is around 26°C, while nighttime temps are about 17°C. A shower might pop up, but overall, the weather will be dry and sunny.

UV index

The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of Delaware for all months and discover the best travel time

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.

Temperature charts

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

Daily Temperature in May in Delaware

Temperature in May in Delaware over the years

Precipitation charts

These charts show the average amount of precipitation in May 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.

Daily Precipitation in May in Delaware

Total precipitation in May in Delaware over the years

Daily UV index in May in Delaware

This chart shows the average daily UV index in May in Delaware, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in May 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.