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's onset witnesses a minor shift in the average high-temperature, moving from a mild 57°F (13.9°C) in April to a still refreshing 65.7°F (18.7°C). East Olympia's average nighttime temperatures present a clear contrast to its daytime highs, measured at a wintry 41.9°F (5.5°C) in May.Humidity
The average relative humidity in May in East Olympia is 77%.Rainfall
In East Olympia, Washington, in May, during 13.5 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In East Olympia, during the entire year, the rain falls for 177.4 days and collects up to 37.05" (941mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In East Olympia, the average length of the day in May is 15h and 5min.On the first day of the month, sunrise is at 5:54 am and sunset at 8:22 pm. On the last day of May, sunrise is at 5:20 am and sunset at 8:58 pm PDT.
Sunshine
The average sunshine in May is 8.1h.UV index
In East Olympia, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during May leads to these instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in East Olympia?
What is the average humidity in May in East Olympia?
How much does it rain in East Olympia in May?
When it does not snow in East Olympia?
How many hours of daylight does East Olympia have in May?
When are sunrise and sunset in May in East Olympia?
How long on average sun shines in May in East Olympia?
What is the UV index reading in May in East Olympia?
Average temperature in May
East Olympia, WA
- Average high temperature in May: 65.7°F
The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (43°F).
- Average low temperature in May: 41.9°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (33.4°F).
Average pressure in May
East Olympia, WA
- Average pressure in May: 30.04"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in May
East Olympia, WA
- Average wind speed in May: 4.3mph
The windiest months (with the highest average wind speed) are March and November (4.6mph).
The calmest month (with the lowest average wind speed) is September (3.8mph).
Average humidity in May
East Olympia, WA
- Average humidity in May: 77%
The months with the highest relative humidity are January, November and December (89%).
The month with the lowest relative humidity is July (71%).
Average rainfall in May
East Olympia, WA
- Average rainfall in May: 1.77"
The wettest month (with the highest rainfall) is December (5.79").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in May
East Olympia, WA
- Average rainfall days in May: 13.5 days
The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is August (5.5 days).
Average snowfall in May
East Olympia, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
East Olympia, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.3 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
East Olympia, WA
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in May
East Olympia, WA
- Average sunshine days in May: 15.8 days
The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in May
East Olympia, WA
- Average UV index in May: 4
The months with the highest UV index are June and 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
East Olympia, WA
- Average cloud cover in May: 53
The months with the most cloud cover are January and December (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in May
East Olympia, WA
- Average visibility in May: 4mi
The months with the highest visibility are June, July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (4mi).
East Olympia, Washington, USA
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