World Resorts USA Dover Weather

Dover weather in May

Weather in Dover: May

Average day temperature: 68.9°F
Average night temperature: 57.2°F
Number of sunny days: 11 days
Day length: 13.9 - 14.7 hours
Number of rainy days: 1 day
Precipitation totals: 0.7 in.

Air temperature in May, °F

Show year:
2026
2025
2024

The highest day temperature during May of 2026 was 98°F. At the same time the lowest night temperature was 43°F. Daily and nightly averages during May were 72.8°F and 57.6°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in May is almost equal.

Precipitation total in May, in.

Precipitation total value in Dover in May is 0.7 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 9.5 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 7.8.

Best time for vacation in Dover

Sunniest months:
November 17 days
October 16 days
March 14 days
Warmest months:
July 84.5 °F
August 81.4 °F
June 79.0 °F
Coldest months:
January 39.8 °F
February 43.0 °F
December 44.7 °F
Rainiest months:
August 4 days
July 4 days
October 3 days
Windiest months:
March 11.0 mph
January 10.6 mph
April 10.4 mph

Dover on a weather map

Dover
+75°F
NW 13 mph
Feels like: +77°F
Precip.: 1%
Places in USA:
Name
°F
+77°F
+77°F
+100°F
+79°F
+88°F
+86°F
+72°F
+79°F
+70°F
+68°F
+68°F
+95°F
+102°F
+88°F
+77°F
24 Hours Forecast
Dover
Local time: 15:21
June 08, monday
1800
73°F
NW
14 mph
2100
63°F
NW
10 mph
June 09, tuesday
0000
59°F
NW
9 mph
0300
55°F
N
6 mph
0600
55°F
N
5 mph
0900
64°F
NE
6 mph
1200
73°F
N
7 mph
1500
75°F
NW
8 mph
Units of measurement: °C / °F