May weather forecast
Peterborough, NH

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Weather in May

May, the last month of the spring in Peterborough, is an enjoyable month, with an average temperature varying between 46°F (7.8°C) and 65.3°F (18.5°C).

Temperature

Peterborough's weather shows a temperature rise with the arrival of May, moving from a cool 52.9°F (11.6°C) in April to a comfortable 65.3°F (18.5°C). Peterborough experiences an average nighttime temperature of 46°F (7.8°C) in the month of May.

Humidity

In Peterborough, the average relative humidity in May is 75%.

Rainfall

In Peterborough, during May, the rain falls for 13.5 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Peterborough, during the entire year, the rain falls for 113.8 days and collects up to 12.44" (316mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Peterborough, New Hampshire. During 0.7 snowfall days, in May, Peterborough aggregates 0.28" (7mm) of snow. Throughout the year, in Peterborough, there are 45.3 snowfall days, and 18.78" (477mm) of snow is accumulated.

Daylight

In May, the average length of the day in Peterborough, New Hampshire, is 14h and 40min.
On the first day of May, sunrise is at 5:40 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:19 pm EDT.

Sunshine

In May, the average sunshine is 8.2h.

UV index

In May, the average daily maximum UV index in Peterborough is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in Peterborough?

The high-temperature, in May, in Peterborough, is 65.3°F (18.5°C), while the low-temperature averages to 46°F (7.8°C).

What is the average humidity in May in Peterborough?

The average relative humidity in May in Peterborough is 75%.

How many days does it rain in May in Peterborough?

In Peterborough, New Hampshire, in May, it is raining for 13.5 days, with typically 1.14" (29mm) of accumulated precipitation.

What is the last month it snows in Peterborough?

May is the last month it regularly snows. During 0.7 snowfall days, in May, Peterborough aggregates 0.28" (7mm) of snow.

How many hours of daylight does Peterborough have in May?

The average day length in May in Peterborough, New Hampshire, is 14h and 40min.

When are sunrise and sunset in May in Peterborough?

In May, on the first day of the month, sunrise is at 5:40 am and sunset at 7:48 pm. On the last day of the month, in Peterborough, New Hampshire, sunrise is at 5:11 am and sunset at 8:19 pm EDT.

How long on average sun shines in May in Peterborough?

In May, the average sunshine duration in Peterborough, New Hampshire, is 8.2h.

What is the UV index reading in May in Peterborough?

In Peterborough, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Peterborough, NH

Average temperature in May - Peterborough, NH
  • Average high temperature in May: 65.3°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in May: 46°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (16°F).

Average pressure in May
Peterborough, NH

Average pressure in May - Peterborough, NH
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in May
Peterborough, NH

Average wind speed in May - Peterborough, NH
  • Average wind speed in May: 6.5mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in May
Peterborough, NH

Average humidity in May - Peterborough, NH
  • Average humidity in May: 75%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (73%).

Average rainfall in May
Peterborough, NH

Average rainfall in May - Peterborough, NH
  • Average rainfall in May: 1.14"

The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is September (0.71").

Average rainfall days in May
Peterborough, NH

Average rainfall days in May - Peterborough, NH
  • Average rainfall days in May: 13.5 days

The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (4.2 days).

Average snowfall in May
Peterborough, NH

Average snowfall in May - Peterborough, NH
  • Average snowfall in May: 0.28"

The month with the highest snowfall is November (3.9").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Peterborough, NH

Average snowfall days in May - Peterborough, NH
  • Average snowfall days in May: 0.7 days

The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Peterborough, NH

Average daylight in May / Average sunshine in May - Peterborough, NH
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in May
Peterborough, NH

Average sunshine days in May - Peterborough, NH
  • Average sunshine days in May: 14.9 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is June (14.3 days).

Average UV index in May
Peterborough, NH

Average UV index in May - Peterborough, NH
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in May
Peterborough, NH

Average cloud cover in May - Peterborough, NH
  • Average cloud cover in May: 49

The month with the most cloud cover is March (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in May
Peterborough, NH

Average visibility in May - Peterborough, NH
  • Average visibility in May: 5mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

Peterborough, New Hampshire, USA

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