May weather forecast
Dover, DE

The public Archives building in Dover, Delaware, between two large trees
The public Archives building in Dover, Delaware, between two large trees

Weather in May

The last month of the spring, May, is an agreeable month in Dover, Delaware, with an average temperature fluctuating between 70.7°F (21.5°C) and 56.7°F (13.7°C).

Temperature

In Dover, Delaware, the average high-temperature in May increases from a comfortable 61°F (16.1°C) in April to a pleasant 70.7°F (21.5°C). In May, in Dover, the average low-temperature is 56.7°F (13.7°C).

Humidity

May is the most humid month in Dover, with an average relative humidity of 79%.

Rainfall

In Dover, during May, the rain falls for 15.6 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, in Dover, there are 152.3 rainfall days, and 26.3" (668mm) of precipitation is accumulated.

Snowfall

In Dover, Delaware, snow does not fall in April through November.

Daylight

In Dover, the average length of the day in May is 14h and 20min.
On the first day of May in Dover, sunrise is at 6:03 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:21 pm EDT.

Sunshine

The average sunshine in May is 8.9h.

UV index

The months with the highest UV index in Dover are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 6 in May interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
[Resources]

FAQ

What is the most humid month in Dover?

The most humid month in Dover is May, with an average relative humidity of 79%.

What is the average humidity in May in Dover?

The average relative humidity in May is 79%.

How much does it rain in Dover in May?

In May, the rain falls for 15.6 days. Throughout May, 2.4" (61mm) of precipitation is accumulated.

When it does not snow in Dover?

In Dover, Delaware, snow does not fall in April through November.

What is the average length of the day in May in Dover?

In Dover, the average day length in May is 14h and 20min.

What time are sunrise and sunset in May in Dover?

In May, on the first day of the month, sunrise is at 6:03 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:21 pm EDT.

How long on average sun shines in May in Dover?

The average sunshine duration in May is 8.9h.

What are the months with the highest UV index in Dover?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

How high is the UV index in May in Dover?

In Dover, Delaware, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Dover, DE

Average temperature in May - Dover, DE
  • Average high temperature in May: 70.7°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in May: 56.7°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

[Resources]

Average pressure in May
Dover, DE

Average pressure in May - Dover, DE
  • Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

[Resources]

Average wind speed in May
Dover, DE

Average wind speed in May - Dover, DE
  • Average wind speed in May: 8.1mph

The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

[Resources]

Average humidity in May
Dover, DE

Average humidity in May - Dover, DE
  • Average humidity in May: 79%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, March, April and November (74%).

[Resources]

Average rainfall in May
Dover, DE

Average rainfall in May - Dover, DE
  • Average rainfall in May: 2.4"

The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is January (1.46").

[Resources]

Average rainfall days in May
Dover, DE

Average rainfall days in May - Dover, DE
  • Average rainfall days in May: 15.6 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (8.1 days).

[Resources]

Average snowfall in May
Dover, DE

Average snowfall in May - Dover, DE
  • Average snowfall in May: 0"

The month with the highest snowfall is January (1.65").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

[Resources]

Average snowfall days in May
Dover, DE

Average snowfall days in May - Dover, DE
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
Dover, DE

Average daylight in May / Average sunshine in May - Dover, DE
  • Average daylight in May: 14h and 20min

The month with the longest days is June (Average daylight: 14h and 53min).
The month with the shortest days is December (Average daylight: 9h and 28min).

  • Average sunshine in May: 8h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

[Resources]

Average sunshine days in May
Dover, DE

Average sunshine days in May - Dover, DE
  • Average sunshine days in May: 12.5 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (10.8 days).

[Resources]

Average UV index in May
Dover, DE

Average UV index in May - Dover, DE
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

[Resources]

Average cloud cover in May
Dover, DE

Average cloud cover in May - Dover, DE
  • Average cloud cover in May: 42

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 28).

[Resources]

Average visibility in May
Dover, DE

Average visibility in May - Dover, DE
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location