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
May brings a temperature increase, with average high-temperatures moving from April's cool 51.8°F (11°C) to an enjoyable 61.3°F (16.3°C). Fort Rains registers a prominent dip from daytime highs, with an average of 39°F (3.9°C) during the nights of May.Humidity
The average relative humidity in May is 76%.Rainfall
In Fort Rains, in May, during 13.3 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Fort Rains, during the entire year, the rain falls for 158.4 days and collects up to 30.31" (770mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May is 14h and 56min.On the first day of May in Fort Rains, sunrise is at 5:53 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:49 pm PDT.
Sunshine
In Fort Rains, the average sunshine in May is 7.9h.UV index
In May, the average daily maximum UV index in Fort Rains is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In May, the UV index of 4 transforms into the following advice:
Put precautions into practice - Guidance to elude sunburn is provided. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Fort Rains have in May?
How high is the UV index in May?
Average temperature in May
Fort Rains, WA
- Average high temperature in May: 61.3°F
The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (37.9°F).
- Average low temperature in May: 39°F
The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is December (28.2°F).
Average pressure in May
Fort Rains, WA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed in May
Fort Rains, WA
- Average wind speed in May: 4.8mph
The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Fort Rains, WA
- Average humidity in May: 76%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are July and August (67%).
Average rainfall in May
Fort Rains, WA
- Average rainfall in May: 1.85"
The wettest month (with the highest rainfall) is January (5.35").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in May
Fort Rains, WA
- Average rainfall days in May: 13.3 days
The month with the highest number of rainy days is March (18.9 days).
The month with the least rainy days is July (4.4 days).
Average snowfall in May
Fort Rains, WA
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.62").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Fort Rains, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.8 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
Fort Rains, WA
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 7h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in May
Fort Rains, WA
- Average sunshine days in May: 15.4 days
The month with the most sunshine days is July (24.5 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in May
Fort Rains, WA
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Fort Rains, WA
- Average cloud cover in May: 52
The month with the most cloud cover is February (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in May
Fort Rains, WA
- Average visibility in May: 5mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Fort Rains, Washington, USA
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