May weather forecast and climate
Mount Washington, NH

Weather in May

May, the last month of the spring, in Mount Washington, is a comfortable month, with average temperature fluctuating between 60.8°F (16°C) and 41.4°F (5.2°C).

Temperature

In Mount Washington, the average high-temperature in May increases considerably, from a chilly 45.7°F (7.6°C) in April, to an enjoyable 60.8°F (16°C). In Mount Washington, New Hampshire, the average low-temperature is 41.4°F (5.2°C).

Humidity

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

Rainfall

In May, the rain falls for 15.3 days. Throughout May, 1.85" (47mm) of precipitation is accumulated. Throughout the year, in Mount Washington, there are 144.9 rainfall days, and 20.08" (510mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Mount Washington. May is the last month it regularly snows. During 3.9 snowfall days, Mount Washington aggregates 4.53" (115mm) of snow. Throughout the year, in Mount Washington, there are 116.2 snowfall days, and 68.07" (1729mm) of snow is accumulated.

Daylight

In Mount Washington, the average length of the day is 14.8h.

Sunshine

In May, the average sunshine in Mount Washington, New Hampshire, is 7.9h.

UV index

In Mount Washington, New Hampshire, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
[Resources]

FAQ

What is the temperature in May in Mount Washington?

The average high-temperature, in May, in Mount Washington, is 60.8°F (16°C), while the average low-temperature is 41.4°F (5.2°C).

What is the least humid month in Mount Washington?

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

What is the average humidity in May in Mount Washington?

In May, the average relative humidity is 77%.

How many days does it rain in May in Mount Washington?

In Mount Washington, in May, it is raining for 15.3 days, with typically 1.85" (47mm) of accumulated precipitation.

What is the last month it snows in Mount Washington?

May is the last month it regularly snows in Mount Washington. During 3.9 snowfall days, in May, Mount Washington aggregates 4.53" (115mm) of snow.

What is the average length of the day in May in Mount Washington?

In May, the average length of the day is 14.8h.

How many hours of sunshine does Mount Washington have in May?

The average sunshine in May in Mount Washington is 7.9h.

What is the UV index intensity in May in Mount Washington?

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in May
Mount Washington, NH

Average temperature in May - Mount Washington, NH
  • Average high temperature in May: 60.8°F

The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is January (21.7°F).

  • Average low temperature in May: 41.4°F

The month with the highest average low temperature is July (54.7°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).

[Resources]

Average pressure in May
Mount Washington, NH

Average pressure in May - Mount Washington, NH
  • Average pressure in May: 29.98"

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

[Resources]

Average wind speed in May
Mount Washington, NH

Average wind speed in May - Mount Washington, NH
  • Average wind speed in May: 5.6mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

[Resources]

Average humidity in May
Mount Washington, NH

Average humidity in May - Mount Washington, NH
  • Average humidity in May: 77%

The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (77%).

[Resources]

Average rainfall in May
Mount Washington, NH

Average rainfall in May - Mount Washington, NH
  • Average rainfall in May: 1.85"

The wettest month (with the highest rainfall) is April (2.44").
The driest month (with the least rainfall) is September (0.94").

[Resources]

Average rainfall days in May
Mount Washington, NH

Average rainfall days in May - Mount Washington, NH
  • Average rainfall days in May: 15.3 days

The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is November (8 days).

[Resources]

Average snowfall in May
Mount Washington, NH

Average snowfall in May - Mount Washington, NH
  • Average snowfall in May: 4.53"

The month with the highest snowfall is January (11.42").
Months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in May
Mount Washington, NH

Average snowfall days in May - Mount Washington, NH
  • Average snowfall days in May: 3.9 days

The month with the highest number of snowfall days is January (20.4 days).
Months with the least snowfall days are July, August and September (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
Mount Washington, NH

Average daylight in May / Average sunshine in May - Mount Washington, NH
  • Average daylight in May: 14.8h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • Average sunshine in May: 7.9h

The month with the most sunshine is August (Average sunshine: 9.8h).
The month with the least sunshine is February (Average sunshine: 3.5h).

[Resources]

Average sunshine days in May
Mount Washington, NH

Average sunshine days in May - Mount Washington, NH
  • Average sunshine days in May: 11.7 days

The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is February (7.8 days).

[Resources]

Average UV index in May
Mount Washington, NH

Average UV index in May - Mount Washington, NH
  • Average UV index in May: 4

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are February and December (UV index 1).

[Resources]

Average cloud cover in May
Mount Washington, NH

Average cloud cover in May - Mount Washington, NH
  • Average cloud cover in May: 52

The month with the most cloud cover is February (Cloud cover 64).
Months with the least cloud cover are July, August and September (Cloud cover 41).

[Resources]

Average visibility in May
Mount Washington, NH

Average visibility in May - Mount Washington, NH
  • Average visibility in May: 5mi

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

[Resources]