May weather forecastBow, WA
May
Weather in May
The last month of the spring, May, is a moderate month in Bow, Washington, with an average temperature fluctuating between 60.3°F (15.7°C) and 46°F (7.8°C).Temperature
May brings a slight elevation in the average high-temperature, transitioning from April's cool 53.1°F (11.7°C) to a mild 60.3°F (15.7°C). Bow's temperature tends to fall to an average low of 46°F (7.8°C) during the nights of May.Humidity
The average relative humidity in May is 78%.Rainfall
In Bow, in May, during 13.8 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Bow, during the entire year, the rain falls for 185.2 days and collects up to 34.72" (882mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In May, the average length of the day is 15h and 16min.On the first day of the month, sunrise is at 5:48 am and sunset at 8:25 pm. On the last day of May, sunrise is at 5:11 am and sunset at 9:03 pm PDT.
Sunshine
In Bow, Washington, the average sunshine in May is 9h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the maximum UV index of 4 suggests this advice:
Be vigilant - Preventing sunburn is recommended. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Bow, WA
- Average high temperature in May: 60.3°F
The warmest months (with the highest average high temperature) are July and August (68.4°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in May: 46°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is February (36.1°F).
Average pressure in May
Bow, WA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in May
Bow, WA
- Average wind speed in May: 4.6mph
The windiest month (with the highest average wind speed) is November (7.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in May
Bow, WA
- Average humidity in May: 78%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is July (75%).
Average rainfall in May
Bow, WA
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is November (4.96").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in May
Bow, WA
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (7.2 days).
Average snowfall in May
Bow, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Bow, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Bow, 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 24min).
- Average sunshine in May: 9h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in May
Bow, WA
- Average sunshine days in May: 15.1 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is November (8.1 days).
Average UV index in May
Bow, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Bow, WA
- Average cloud cover in May: 42
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in May
Bow, WA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
