May weather forecast and climate
Jaffrey, NH

Weather in May

The last month of the spring, May, is an enjoyable month in Jaffrey, New Hampshire, with average temperature varying between 65.7°F (18.7°C) and 45.9°F (7.7°C).

Temperature

In Jaffrey, New Hampshire, the average high-temperature increases, from a cool 52.9°F (11.6°C) in April, to a comfortable 65.7°F (18.7°C). The average low-temperature, in Jaffrey, is 45.9°F (7.7°C).

Humidity

In May, the average relative humidity is 76%.

Rainfall

In Jaffrey, in May, during 15.8 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Jaffrey, during the entire year, the rain falls for 149.5 days and collects up to 32.13" (816mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Jaffrey. May is the last month it regularly snows. During 0.3 snowfall days, Jaffrey aggregates 0.35" (9mm) of snow. Throughout the year, there are 54.2 snowfall days, and 38.27" (972mm) of snow is accumulated.

Daylight

The average length of the day in May is 14.7h.

Sunshine

The average sunshine in Jaffrey, New Hampshire, is 8h.

UV index

In Jaffrey, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to the UV radiation for average individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in May in Jaffrey?

The average high-temperature, in May, in Jaffrey, New Hampshire, is 65.7°F (18.7°C), while the average low-temperature is 45.9°F (7.7°C).

What is the average humidity in May in Jaffrey?

In Jaffrey, New Hampshire, the average relative humidity in May is 76%.

How much does it rain in Jaffrey in May?

In Jaffrey, in May, it is raining for 15.8 days, with typically 2.52" (64mm) of accumulated precipitation.

What is the last month it snows in Jaffrey?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Jaffrey aggregates 0.35" (9mm) of snow.

How many hours of daylight does Jaffrey have in May?

In Jaffrey, New Hampshire, the average length of the day in May is 14.7h.

How many hours of sunshine does Jaffrey have in May?

In May, the average sunshine in Jaffrey is 8h.

How high is the UV index in May in Jaffrey?

The average daily maximum UV index in May in Jaffrey, New Hampshire, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in May
Jaffrey, NH

Average temperature in May - Jaffrey, NH
  • Average high temperature in May: 65.7°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in May: 45.9°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

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Average pressure in May
Jaffrey, NH

Average pressure in May - Jaffrey, NH
  • Average pressure in May: 30"

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

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Average wind speed in May
Jaffrey, NH

Average wind speed in May - Jaffrey, NH
  • Average wind speed in May: 6.6mph

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).

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Average humidity in May
Jaffrey, NH

Average humidity in May - Jaffrey, NH
  • Average humidity in May: 76%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in May
Jaffrey, NH

Average rainfall in May - Jaffrey, NH
  • Average rainfall in May: 2.52"

The wettest month (with the highest rainfall) is October (3.35").
The driest month (with the least rainfall) is September (2.17").

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Average rainfall days in May
Jaffrey, NH

Average rainfall days in May - Jaffrey, NH
  • Average rainfall days in May: 15.8 days

Months with the highest number of rainy days are May, June and August (15.8 days).
The month with the least rainy days is February (7.2 days).

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Average snowfall in May
Jaffrey, NH

Average snowfall in May - Jaffrey, NH
  • Average snowfall in May: 0.35"

The month with the highest snowfall is February (9.41").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Jaffrey, NH

Average snowfall days in May - Jaffrey, NH
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is February (12.5 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Jaffrey, NH
  • Average daylight in May: 14.7h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in May: 8h

The month with the most sunshine is August (Average sunshine: 9.9h).
The month with the least sunshine is February (Average sunshine: 4.1h).

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Average sunshine days in May
Jaffrey, NH

Average sunshine days in May - Jaffrey, NH
  • Average sunshine days in May: 13.2 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is March (11.7 days).

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Average UV index in May
Jaffrey, NH

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

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

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Average cloud cover in May
Jaffrey, NH

Average cloud cover in May - Jaffrey, NH
  • Average cloud cover in May: 50

Months with the most cloud cover are February and March (Cloud cover 54).
Months with the least cloud cover are July and August (Cloud cover 38).

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Average visibility in May
Jaffrey, NH

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

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

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