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
Observing a rise in May, the average high-temperature goes from April's moderate 56.8°F (13.8°C) to a comfortable 65.8°F (18.8°C). Washougal notes a substantial temperature decline from the daytime peaks throughout May, with an average nighttime temperature of 42.6°F (5.9°C).Humidity
In May, the average relative humidity is 73%.Rainfall
In Washougal, in May, it is raining for 14.3 days, with typically 2.01" (51mm) of accumulated precipitation. In Washougal, during the entire year, the rain falls for 171 days and collects up to 37.2" (945mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Washougal, Washington, the average length of the day in May is 14h and 56min.On the first day of May in Washougal, sunrise is at 5:55 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 8:50 pm PDT.
Sunshine
The average sunshine in May in Washougal is 8.8h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 4 in May interprets into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Frequently asked questions
What is the usual temperature for Washougal in May?
What is the average humidity in May in Washougal?
How many days does it rain in May in Washougal?
When it does not snow in Washougal?
How many hours of daylight does Washougal have in May?
When is the sunrise / sunset in May in Washougal?
How many hours of sunshine does Washougal have in May?
How high is the UV index in May in Washougal?
Average temperature in May
Washougal, WA
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (43.3°F).
- Average low temperature in May: 42.6°F
The month with the highest average low temperature is August (52.7°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).
Average pressure in May
Washougal, WA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in May
Washougal, WA
- Average wind speed in May: 4.2mph
The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in May
Washougal, WA
- Average humidity in May: 73%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (65%).
Average rainfall in May
Washougal, WA
- Average rainfall in May: 2.01"
The wettest month (with the highest rainfall) is December (5.63").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in May
Washougal, WA
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is March (19.6 days).
The month with the least rainy days is August (4.1 days).
Average snowfall in May
Washougal, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Washougal, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Washougal, 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: 8h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in May
Washougal, WA
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in May
Washougal, 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 2).
Average cloud cover in May
Washougal, WA
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in May
Washougal, WA
- Average visibility in May: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).
Washougal, Washington, USA
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