Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Mount Washington, New Hampshire, in May showcases a distinct temperature shift, moving from an average high of a frosty 45.7°F (7.6°C) in April to a refreshing 60.8°F (16°C). In the month of May, the average temperature dips to a cold 41.4°F (5.2°C) during the night.Humidity
With an average relative humidity of 77%, May is the least humid month.Rainfall
In Mount Washington, during May, the rain falls for 15.3 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Mount Washington, during the entire year, the rain falls for 144.9 days and collects up to 20.08" (510mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. 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. Throughout the year, there are 116.2 snowfall days, and 68.07" (1729mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 48min.On the first day of the month, sunrise is at 5:34 am and sunset at 7:49 pm. On the last day of May, sunrise is at 5:04 am and sunset at 8:21 pm EDT.
Sunshine
In Mount Washington, the average sunshine in May is 7.9h.UV index
In Mount Washington, New Hampshire, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In May, a daily maximum UV index of 4 leads to the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Mount Washington in May?
What is the least humid month?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Mount Washington have in May?
What is the UV index reading in May?
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).
Average pressure in May
Mount Washington, 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).
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).
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%).
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").
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).
Average snowfall in May
Mount Washington, NH
- Average snowfall in May: 4.53"
The month with the highest snowfall is January (11.42").
The months with the least snowfall are June, July, August and September (0").
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).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Mount Washington, NH
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
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).
Average UV index in May
Mount Washington, NH
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
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).
The months with the least cloud cover are July, August and September (Cloud cover 41).
Average visibility in May
Mount Washington, NH
- Average visibility in May: 5mi
The months with the highest visibility are May, June and July (5mi).
The months with the lowest visibility are January, February, March, April, August, September, October, November and December (4mi).
Mount Washington, New Hampshire, USA
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