May weather forecastNighthawk, WA
May
Weather in May
The last month of the spring, May, is a comfortable month in Nighthawk, Washington, with an average temperature varying between 37.8°F (3.2°C) and 62.6°F (17°C).Temperature
May sees a temperature increase, moving from a chilly 49.6°F (9.8°C) in April to an enjoyable 62.6°F (17°C). May in Nighthawk presents a pronounced difference from daytime highs, with a consistent average low-temperature of 37.8°F (3.2°C).Humidity
The average relative humidity in May is 63%.Rainfall
May is the month with the most rainfall. Rain falls for 13.8 days and accumulates 1.97" (50mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 0.8 snowfall days, in May, Nighthawk aggregates 0.79" (20mm) of snow. Throughout the year, there are 89.6 snowfall days, and 47.44" (1205mm) of snow is accumulated.Daylight
The average length of the day in May is 15h and 19min.On the first day of the month, sunrise is at 5:35 am and sunset at 8:15 pm. On the last day of May, sunrise is at 4:58 am and sunset at 8:53 pm PDT.
Sunshine
In Nighthawk, the average sunshine in May is 10.8h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Nighthawk, WA
- Average high temperature in May: 62.6°F
The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (27°F).
- Average low temperature in May: 37.8°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in May
Nighthawk, WA
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in May
Nighthawk, WA
- Average wind speed in May: 4.2mph
The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest months (with the lowest average wind speed) are January, February and December (3.7mph).
Average humidity in May
Nighthawk, WA
- Average humidity in May: 63%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (49%).
Average rainfall in May
Nighthawk, WA
- Average rainfall in May: 1.97"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is August (0.47").
Average rainfall days in May
Nighthawk, WA
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (5.7 days).
Average snowfall in May
Nighthawk, WA
- Average snowfall in May: 0.79"
The month with the highest snowfall is December (9.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Nighthawk, WA
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Nighthawk, WA
- Average daylight in May: 15h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in May: 10h and 48min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Nighthawk, WA
- Average sunshine days in May: 15.1 days
The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is March (10.8 days).
Average UV index in May
Nighthawk, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Nighthawk, WA
- Average cloud cover in May: 32
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in May
Nighthawk, WA
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
