May weather forecast
Jackson, NH

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Weather in May

May marks the onset of warmth in Jackson, as temperatures reach an average high of 62.2°F (16.8°C). The days lengthen further while the UV index doubles from the previous month to 4. May's weather indicates the start of the comfortable period for hikers and climbers who thrive in warmer temperatures. Despite the rise in temperatures, rainfall is relatively low, coming in at 0.79" (20mm), making it the perfect time to indulge in outdoor activities.

Temperature

The shift into May in Jackson is marked by a noticeable escalation in the average high-temperature, rising from April's frosty 47.8°F (8.8°C) to a refreshing 62.2°F (16.8°C). In Jackson, May nights witness a steady temperature drop to an icy 42.3°F (5.7°C).

Humidity

With an average relative humidity of 77%, May is the least humid month in Jackson.

Rainfall

In Jackson, New Hampshire, in May, during 10.3 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Jackson, New Hampshire, during the entire year, the rain falls for 90.5 days and collects up to 11.61" (295mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Jackson. May is the last month it regularly snows. During 0.4 snowfall days, in May, Jackson aggregates 0.2" (5mm) of snow. In Jackson, during the entire year, snow falls for 41.7 days and aggregates up to 19.96" (507mm) of snow.

Daylight

In Jackson, New Hampshire, the average length of the day in May is 14h and 47min.
On the first day of the month, sunrise is at 5:34 am and sunset at 7:48 pm. On the last day of May, sunrise is at 5:04 am and sunset at 8:20 pm EDT.

Sunshine

The average sunshine in May is 8.1h.

UV index

In Jackson, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 4 in May translates into these instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

What are the temperatures in Jackson in May?

In May, in Jackson, the average high-temperature is 62.2°F (16.8°C), and the average low-temperature is 42.3°F (5.7°C).

What is the least humid month in Jackson?

The least humid month in Jackson, New Hampshire, is May, with an average relative humidity of 77%.

What is the average humidity in May in Jackson?

The average relative humidity in May in Jackson, New Hampshire, is 77%.

How many days does it rain in May in Jackson?

In Jackson, New Hampshire, during May, the rain falls for 10.3 days and regularly aggregates up to 0.79" (20mm) of precipitation.

What is the last month it snows in Jackson?

May is the last month it regularly snows in Jackson. During 0.4 snowfall days, in May, Jackson aggregates 0.2" (5mm) of snow.

How many hours of daylight does Jackson have in May?

The average day length in May is 14h and 47min.

When are sunrise and sunset in May in Jackson?

On the first day of May in Jackson, sunrise is at 5:34 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:04 am and sunset at 8:20 pm EDT.

How many hours of sunshine does Jackson have in May?

The average sunshine duration in May in Jackson, New Hampshire, is 8.1h.

What is the UV index intensity in May in Jackson?

In Jackson, New Hampshire, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Jackson, NH

Average temperature in May - Jackson, NH
  • Average high temperature in May: 62.2°F

The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in May: 42.3°F

The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in May
Jackson, NH

Average pressure in May - Jackson, NH
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
Jackson, NH

Average wind speed in May - Jackson, NH
  • Average wind speed in May: 5.4mph

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in May
Jackson, NH

Average humidity in May - Jackson, NH
  • Average humidity in May: 77%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (77%).

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Average rainfall in May
Jackson, NH

Average rainfall in May - Jackson, NH
  • Average rainfall in May: 0.79"

The wettest months (with the highest rainfall) are April and October (1.46").
The driest month (with the least rainfall) is September (0.39").

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Average rainfall days in May
Jackson, NH

Average rainfall days in May - Jackson, NH
  • Average rainfall days in May: 10.3 days

The months with the highest number of rainy days are May and July (10.3 days).
The month with the least rainy days is February (3.7 days).

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Average snowfall in May
Jackson, NH

Average snowfall in May - Jackson, NH
  • Average snowfall in May: 0.2"

The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Jackson, NH

Average snowfall days in May - Jackson, NH
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is February (8.4 days).
The 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
Jackson, NH

Average daylight in May / Average sunshine in May - Jackson, NH
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days in May
Jackson, NH

Average sunshine days in May - Jackson, NH
  • Average sunshine days in May: 18.3 days

The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is June (18.2 days).

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Average UV index in May
Jackson, NH

Average UV index in May - Jackson, NH
  • Average UV index in May: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in May
Jackson, NH

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

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 38).

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Average visibility in May
Jackson, NH

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

The months with the highest visibility are April, May, June, July, August, November and December (5mi).
The months with the lowest visibility are January, February, March, September and October (4mi).

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Jackson, New Hampshire, USA

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