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
The shift from April to May sees an increase in the average high-temperature, transitioning from a fresh 50.7°F (10.4°C) to a refreshing 64.4°F (18°C). In May, the temperature drops to an average of 44.4°F (6.9°C) at night.Humidity
In Washington, the average relative humidity in May is 76%.Rainfall
In Washington, in May, it is raining for 14.4 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, there are 121.9 rainfall days, and 13.58" (345mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 1.4 snowfall days, in May, Washington aggregates 1.06" (27mm) of snow. Throughout the year, there are 65.7 snowfall days, and 19.88" (505mm) of snow is accumulated.Daylight
In Washington, the average length of the day in May is 14h and 41min.On the first day of May in Washington, sunrise is at 5:40 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:20 pm EDT.
Sunshine
The average sunshine in May is 8h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Washington in May?
What is the average humidity in May?
How much does it rain in Washington in May?
What is the last month it snows?
How many hours of daylight does Washington have in May?
When are sunrise and sunset in May?
How many hours of sunshine does Washington have in May?
When is the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Washington, NH
- Average high temperature in May: 64.4°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in May: 44.4°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in May
Washington, NH
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Washington, NH
- Average wind speed in May: 6.3mph
The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Washington, NH
- Average humidity in May: 76%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (75%).
Average rainfall in May
Washington, NH
- Average rainfall in May: 1.42"
The wettest month (with the highest rainfall) is October (1.61").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in May
Washington, NH
- Average rainfall days in May: 14.4 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in May
Washington, NH
- Average snowfall in May: 1.06"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Washington, NH
- Average snowfall days in May: 1.4 days
The month with the highest number of snowfall days is February (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Washington, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in May
Washington, NH
- Average sunshine days in May: 13.6 days
The month with the most sunshine days is January (17.6 days).
The month with the least sunshine days is April (12.9 days).
Average UV index in May
Washington, NH
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in May
Washington, NH
- Average cloud cover in May: 50
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in May
Washington, NH
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
Washington, New Hampshire, USA
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