Temperature in New Hampshire in May

Daytime highs, nighttime lows and the warmest cities in New Hampshire, the United States of America this May.

New Hampshire, the United States of America, a region in the United States of America, experiences maximum daytime temperatures in May ranging from 17°C (63°F) in Waterville Valley to 21°C (70°F) in Nashua. Nighttime temperatures generally drop to 9°C (48°F) in Nashua and 5°C (41°F) in Waterville Valley.

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

To get a sense of May's typical temperatures in the key spots of New Hampshire, explore the map below. Click on a point for an in-depth look.

Select a Month

Check the conditions for any month of the year.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

For a detailed overview over the year and the best time to visit New Hampshire, check out our New Hampshire's climate page.

See also: New Hampshire weather by month.

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
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in May: blue is cold, red is hot.

See all May weather averages, cities and regions in New Hampshire

New Hampshire temperatures in May: frequently asked questions

How hot does it get in New Hampshire, the United States of America in May?

Portsmouth averages a daytime high of 19°C (66°F) in May, which is pleasant for New Hampshire, the United States of America.

How cold does it get at night in New Hampshire, the United States of America in May?

After dark, Portsmouth cools to about 8°C (46°F) on an average May night.

What is the warmest city in May in New Hampshire, the United States of America?

From a thorough analysis of our records, Nashua clearly dominates in terms of high temperatures. The city witnesses daytime temperatures hovering around 21°C (70°F), and evenings that remain near 9°C (48°F).

What is the coldest city in May in New Hampshire, the United States of America?

The coldest city in May in New Hampshire, the United States of America is Waterville Valley when we check our database. The maximum daytime temperatures are around 17°C (63°F) and minimum nighttime temperatures fall around 5°C (41°F).

How much sun does New Hampshire, the United States of America get in May?

Portsmouth usually sees around 258 hours of sunlight, indicating many sunny days.

Interested in more climate information?

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

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