Hampton Beach

New Hampshire Weather in May

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

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Portsmouth Nashua Weirs Beach Dover

Planning a getaway to New Hampshire, 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 New Hampshire in May

New Hampshire, the United States of America is a region in the United States of America. May in New Hampshire generally has temperatures that range from mild to pleasant, with precipitation levels ranging from moderate to high.

Temperatures

During the day the temperature is mild in Waterville Valley at 17°C (63°F) and pleasant in Nashua at 21°C (70°F). As night falls, temperatures generally drop to 9°C (48°F) in Nashua and 5°C (41°F) in Waterville Valley.

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

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Wolfeboro with an average of 87 mm (3.4 in) to high rainfall in Waterville Valley with 120 mm (4.7 in).

Average sunshine

Many locations offer abundant sunshine during this month. For instance, Portsmouth enjoys approximately 258 hours of sunlight, ideal for those seeking sunny weather.

Explore New Hampshire by month

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

January1°C (34°F) February2°C (36°F) March7°C (45°F) April13°C (55°F) May19°C (66°F) June23°C (73°F) This monthJuly27°C (81°F) August26°C (79°F) September23°C (73°F) October16°C (61°F) November10°C (50°F) December5°C (41°F)
Best Time to Visit New Hampshire →

Best Places to Visit in New Hampshire in May

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

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 New Hampshire

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

Temperature range in New Hampshire (May)

Precipitation variation in New Hampshire (May)

Portsmouth

In May Portsmouth generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 8°C (46°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« April
May
June »
April
May
June
Max temperature
13°C (55°F)
19°C (66°F)
23°C (73°F)
Min temperature
2°C (36°F)
8°C (46°F)
13°C (55°F)
Monthly sun hours
223 hours
258 hours
274 hours
Monthly rainfall
111 mm (4.4 in)
116 mm (4.6 in)
139 mm (5.5 in)
Monthly rainy days
11 days
12 days
14 days
Weather conditions
poor
tolerable
pleasant
Climate in Portsmouth →

Nashua

In May Nashua generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« April
May
June »
April
May
June
Max temperature
15°C (59°F)
21°C (70°F)
25°C (77°F)
Min temperature
2°C (36°F)
9°C (48°F)
14°C (57°F)
Monthly sun hours
223 hours
258 hours
274 hours
Monthly rainfall
93 mm (3.7 in)
98 mm (3.9 in)
125 mm (4.9 in)
Monthly rainy days
12 days
14 days
14 days
Weather conditions
tolerable
perfect
pleasant
Climate in Nashua →

Weirs Beach

In May Weirs Beach generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« April
May
June »
April
May
June
Max temperature
13°C (55°F)
20°C (68°F)
23°C (73°F)
Min temperature
1°C (34°F)
8°C (46°F)
13°C (55°F)
Monthly sun hours
223 hours
258 hours
274 hours
Monthly rainfall
89 mm (3.5 in)
89 mm (3.5 in)
136 mm (5.4 in)
Monthly rainy days
11 days
13 days
16 days
Weather conditions
unpleasant
perfect
pleasant
Climate in Weirs Beach →

Dover

In May Dover generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 7°C (45°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
14°C (57°F)
20°C (68°F)
24°C (75°F)
Min temperature
2°C (36°F)
7°C (45°F)
12°C (54°F)
Monthly sun hours
223 hours
258 hours
274 hours
Monthly rainfall
99 mm (3.9 in)
104 mm (4.1 in)
127 mm (5 in)
Monthly rainy days
11 days
12 days
14 days
Weather conditions
tolerable
pleasant
pleasant
Climate in Dover →

Tilton

In May Tilton generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 7°C (45°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
13°C (55°F)
20°C (68°F)
24°C (75°F)
Min temperature
0°C (32°F)
7°C (45°F)
12°C (54°F)
Monthly sun hours
223 hours
258 hours
274 hours
Monthly rainfall
89 mm (3.5 in)
104 mm (4.1 in)
136 mm (5.4 in)
Monthly rainy days
11 days
13 days
16 days
Weather conditions
unpleasant
pleasant
pleasant
Climate in Tilton →

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

Popular cities in May

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

City Weather Day temp Night temp Rainfall
Portsmouth 19°C (66°F) 8°C (46°F) 116 mm (4.6 in)
Nashua 21°C (70°F) 9°C (48°F) 98 mm (3.9 in)
Weirs Beach 20°C (68°F) 8°C (46°F) 89 mm (3.5 in)
Dover 20°C (68°F) 7°C (45°F) 104 mm (4.1 in)
Tilton 20°C (68°F) 7°C (45°F) 104 mm (4.1 in)
Gilford 19°C (66°F) 8°C (46°F) 90 mm (3.5 in)

New Hampshire weather in May: frequently asked questions

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

New Hampshire, the United States of America typically experiences tolerable weather in May, part of the season. Daytime highs in Portsmouth average around 19°C (66°F), and temperatures drop to about 8°C (46°F) at night.

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

Portsmouth averages a daytime maximum of 19°C (66°F) in May, with overnight lows close to 8°C (46°F).

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

New Hampshire, the United States of America sees substantial rainfall in May. Portsmouth typically averages about 116 mm (4.6 in), a mix of wet and dry days, but bring an umbrella.

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

In our opinion, May is a good time to visit New Hampshire, the United States of America with overall tolerable weather in Portsmouth. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit New Hampshire, the United States of America is in September with generally perfect weather in Portsmouth. On the other hand, the months of January, February, March, April, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in New Hampshire.

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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