Delaware Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Delaware, the United States of America in May.

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Dover Newark Seaford Harrington

Planning a getaway to Delaware, the United States of America this May and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Delaware in May

Delaware, the United States of America is a region in the United States of America. May in Delaware generally has warm temperatures, with moderate precipitation.

Temperatures

The average maximum temperatures are warm and range from 22°C (72°F) in Fenwick Island to 24°C (75°F) in Seaford. Nighttime temperatures generally drop to 13°C (55°F) in Seaford and 13°C (55°F) in Fenwick Island.

To learn more about the conditions in specific areas of Delaware, the United States of America, check out the map below.

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Dewey Beach with an average of 77 mm (3 in) to moderate rainfall in Talleyville with 96 mm (3.8 in).

Explore Delaware by month

Pick a month to see the average temperature, rainfall and sunshine in Delaware — and find the best time to visit. (based on Dover)

January6°C (43°F) February7°C (45°F) March12°C (54°F) April18°C (64°F) May23°C (73°F) June28°C (82°F) This monthJuly31°C (88°F) August29°C (84°F) September26°C (79°F) October20°C (68°F) November14°C (57°F) December10°C (50°F)
Best Time to Visit Delaware →

Best Places to Visit in Delaware in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Delaware.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Delaware

What is the weather like in May for some of the most popular destinations in Delaware, the United States of America?

Temperature range in Delaware (May)

Precipitation variation in Delaware (May)

Dover

In May Dover generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« April
May
June »
April
May
June
Max temperature
18°C (64°F)
23°C (73°F)
28°C (82°F)
Min temperature
7°C (45°F)
13°C (55°F)
18°C (64°F)
Monthly rainfall
94 mm (3.7 in)
85 mm (3.3 in)
130 mm (5.1 in)
Monthly rainy days
12 days
13 days
12 days
Weather conditions
pleasant
perfect
pleasant
Climate in Dover →

Newark

In May Newark generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« April
May
June »
April
May
June
Max temperature
18°C (64°F)
23°C (73°F)
28°C (82°F)
Min temperature
6°C (43°F)
12°C (54°F)
17°C (63°F)
Monthly sun hours
219 hours
247 hours
272 hours
Monthly rainfall
94 mm (3.7 in)
88 mm (3.5 in)
155 mm (6.1 in)
Monthly rainy days
12 days
12 days
13 days
Weather conditions
pleasant
perfect
pleasant
Climate in Newark →

Seaford

In May Seaford generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« April
May
June »
April
May
June
Max temperature
19°C (66°F)
24°C (75°F)
29°C (84°F)
Min temperature
7°C (45°F)
13°C (55°F)
18°C (64°F)
Monthly rainfall
94 mm (3.7 in)
86 mm (3.4 in)
137 mm (5.4 in)
Monthly rainy days
11 days
12 days
13 days
Weather conditions
pleasant
perfect
pleasant
Climate in Seaford →

Harrington

In May Harrington generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« April
May
June »
April
May
June
Max temperature
19°C (66°F)
24°C (75°F)
29°C (84°F)
Min temperature
7°C (45°F)
12°C (54°F)
18°C (64°F)
Monthly rainfall
95 mm (3.7 in)
86 mm (3.4 in)
114 mm (4.5 in)
Monthly rainy days
12 days
13 days
13 days
Weather conditions
pleasant
perfect
pleasant
Climate in Harrington →

Christiana

In May Christiana generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« April
May
June »
April
May
June
Max temperature
18°C (64°F)
23°C (73°F)
28°C (82°F)
Min temperature
6°C (43°F)
12°C (54°F)
17°C (63°F)
Monthly sun hours
219 hours
247 hours
272 hours
Monthly rainfall
96 mm (3.8 in)
89 mm (3.5 in)
157 mm (6.2 in)
Monthly rainy days
11 days
12 days
13 days
Weather conditions
pleasant
perfect
pleasant
Climate in Christiana →

Is your destination not in the list? Have a look at all destinations in Delaware, in the United States of America.

Popular cities in May

Day & night temperatures, rainfall and average weather in Delaware in May.

City Weather Day temp Night temp Rainfall
Dover 23°C (73°F) 13°C (55°F) 85 mm (3.3 in)
Newark 23°C (73°F) 12°C (54°F) 88 mm (3.5 in)
Seaford 24°C (75°F) 13°C (55°F) 86 mm (3.4 in)
Harrington 24°C (75°F) 12°C (54°F) 86 mm (3.4 in)
Christiana 23°C (73°F) 12°C (54°F) 89 mm (3.5 in)
Delaware City 23°C (73°F) 12°C (54°F) 86 mm (3.4 in)

Delaware weather in May: frequently asked questions

What is the weather like in Delaware, the United States of America in May?

Expect perfect weather across Delaware, the United States of America in May. The popular destination of Dover averages 23°C (73°F) by day and 13°C (55°F) at night during this month.

What is the average temperature in Delaware, the United States of America in May?

Dover averages a daytime maximum of 23°C (73°F) in May, with overnight lows close to 13°C (55°F).

Does Delaware, the United States of America get a lot of rain in May?

Not particularly. Dover averages just 85 mm (3.3 in) of rain in May, making it a mostly dry month for Delaware, the United States of America.

Is May a Good Time to Visit Delaware, the United States of America?

We believe that May is one of the best times to visit Delaware, the United States of America with overall perfect weather in Dover.

On average, the best time to visit Delaware, the United States of America is in May with generally perfect weather in Dover. On the other hand, the months of January, February and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Delaware.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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