May weather forecastThurston, OR
May
Weather in May
The last month of the spring, May, is a comfortable month in Thurston, Oregon, with an average temperature ranging between max 65.8°F (18.8°C) and min 40.6°F (4.8°C).Temperature
Thurston in May observes a minor temperature shift, with average high-temperatures adjusting from a mild 57.9°F (14.4°C) in April to an enjoyable 65.8°F (18.8°C). Thurston anticipates a pronounced temperature drop from daily highs during the nights of May, with an average low of 40.6°F (4.8°C).Humidity
The average relative humidity in May is 78%.Rainfall
In Thurston, Oregon, in May, during 9.5 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, there are 109.9 rainfall days, and 10.08" (256mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In Thurston, the average length of the day in May is 14h and 47min.On the first day of May, sunrise is at 6:01 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:47 pm PDT.
Sunshine
The average sunshine in May is 8.2h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 4 in May leads to these recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Thurston, OR
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is August (81.3°F).
The month with the lowest average high temperature is December (46.2°F).
- Average low temperature in May: 40.6°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (33.8°F).
Average pressure in May
Thurston, OR
- Average pressure in May: 30.04"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in May
Thurston, OR
- Average wind speed in May: 4mph
The windiest months (with the highest average wind speed) are January and March (4.5mph).
The calmest months (with the lowest average wind speed) are August and September (3.6mph).
Average humidity in May
Thurston, OR
- Average humidity in May: 78%
The months with the highest relative humidity are January, February, March and December (86%).
The month with the lowest relative humidity is August (68%).
Average rainfall in May
Thurston, OR
- Average rainfall in May: 0.75"
The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in May
Thurston, OR
- Average rainfall days in May: 9.5 days
The month with the highest number of rainy days is December (13.4 days).
The month with the least rainy days is August (2.5 days).
Average snowfall in May
Thurston, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Thurston, OR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.3 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
Thurston, OR
- Average daylight in May: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 12min
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
Thurston, OR
- Average sunshine days in May: 19.2 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in May
Thurston, OR
- 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
Thurston, OR
- Average cloud cover in May: 50
The months with the most cloud cover are February and March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in May
Thurston, OR
- Average visibility in May: 4mi
The months with the highest visibility are June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, May, November and December (4mi).
