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
As Tumwater enters May, the average high-temperature marginally increases from the a moderate 57°F (13.9°C) of April to a still refreshing 65.7°F (18.7°C). A considerable shift from the daytime highs is observed in Tumwater, Washington, during May nights, with an average low of 41.9°F (5.5°C).Humidity
In May, the average relative humidity in Tumwater is 77%.Rainfall
In Tumwater, during May, the rain falls for 13.5 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Tumwater, during the entire year, the rain falls for 177.4 days and collects up to 37.05" (941mm) of precipitation.Snowfall
In Tumwater, snow does not fall in April through October.Daylight
The average length of the day in May in Tumwater is 15h and 5min.On the first day of May, sunrise is at 5:54 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:58 pm PDT.
Sunshine
In May, the average sunshine is 8.1h.UV index
The average daily maximum UV index in May in Tumwater, Washington, is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In May, a regular UV index of 4 translates into these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Tumwater?
What is the average humidity in May in Tumwater?
How many days does it rain in May in Tumwater?
When it does not snow in Tumwater?
How many hours of daylight does Tumwater have in May?
What time are sunrise and sunset in May in Tumwater?
How many hours of sunshine does Tumwater have in May?
How high is the UV index in May in Tumwater?
Average temperature in May
Tumwater, 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
Tumwater, 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
Tumwater, 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
Tumwater, 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
Tumwater, 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
Tumwater, 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
Tumwater, 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
Tumwater, 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
Tumwater, 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
Tumwater, 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
Tumwater, 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
Tumwater, 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
Tumwater, 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).
Tumwater, Washington, USA
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