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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Tumwater, Washington, is a frosty winter month, with temperature in the range of an average low of 34.3°F (1.3°C) and an average high of 44.6°F (7°C). The arrival of January brings an average high-temperature of a still chilly 44.6°F (7°C), subtly diverging from December's 43°F (6.1°C). Weather in January »
Weather in February
February, the last month of the winter in Tumwater, is another chilly month, with an average temperature varying between 46°F (7.8°C) and 33.6°F (0.9°C). Tumwater measures an average high-temperature of a still chilly 46°F (7.8°C) in February, nearly consistent with the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Tumwater, is a fresh month, with an average temperature varying between 51.1°F (10.6°C) and 35.8°F (2.1°C). With the transition into March, Tumwater notes an average high-temperature of a cool 51.1°F (10.6°C), closely resembling February. Weather in March »
Weather in April
April is a moderate spring month in Tumwater, Washington, with an average temperature varying between 37.9°F (3.3°C) and 57°F (13.9°C). A gentle upsurge in temperatures occurs as March gives way to April, with average highs shifting from a fresh 51.1°F (10.6°C) to a mild 57°F (13.9°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Tumwater, Washington, with an average temperature ranging between max 65.7°F (18.7°C) and min 41.9°F (5.5°C). 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). Weather in May »
Weather in June
June, the first month of the summer in Tumwater, is a pleasant month, with temperature in the range of an average low of 45.3°F (7.4°C) and an average high of 70.3°F (21.3°C). June's average high-temperature stands at a pleasant 70.3°F (21.3°C), showing little deviation from May's 65.7°F (18.7°C). Weather in June »
Weather in July
July in Tumwater, Washington, is a warm summer month, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 49.6°F (9.8°C). July's onset is marked by a subtle temperature increase, moving from a pleasant 70.3°F (21.3°C) in June to a warm 77.9°F (25.5°C). Weather in July »
Weather in August
August, the last month of the summer in Tumwater, is also a moderately hot month, with an average temperature ranging between max 78.6°F (25.9°C) and min 50.5°F (10.3°C). Tumwater experiences its highest temperatures in August, with an average peak of 78.6°F (25.9°C) and a low of 50.5°F (10.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Tumwater, Washington, with an average temperature ranging between max 70.5°F (21.4°C) and min 47.7°F (8.7°C). The arrival of September signals a subtle shift in temperature, down from a warm 78.6°F (25.9°C) in August to an agreeable 70.5°F (21.4°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Tumwater, Washington, with an average temperature ranging between max 58.6°F (14.8°C) and min 42.3°F (5.7°C). October's arrival corresponds with a decrease in average high-temperatures, from September's pleasant 70.5°F (21.4°C) to a mild 58.6°F (14.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Tumwater, Washington, with an average temperature varying between 48.6°F (9.2°C) and 38.3°F (3.5°C). November brings a minor decrease, with the average high-temperature reducing from a moderate 58.6°F (14.8°C) in October to a frosty 48.6°F (9.2°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Tumwater, Washington, with an average temperature ranging between min 33.4°F (0.8°C) and max 43°F (6.1°C). December stands out as Tumwater's coldest month, with an average high-temperature of 43°F (6.1°C) and a low-temperature of 33.4°F (0.8°C). Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the most humid month in Tumwater?
The months with the highest humidity in Tumwater, Washington, are January, November and December, with an average relative humidity of 89%.
How much does it rain in Tumwater?
In Tumwater, during the entire year, the rain falls for 177.4 days and collects up to 37.05" (941mm) of precipitation.
When does it snow in Tumwater?
January through March, November and December are months with snowfall in Tumwater, Washington.
How many days does it snow in Tumwater?
In Tumwater, during the entire year, snow falls for 8.7 days and aggregates up to 5.31" (135mm) of snow.
When is the lowest UV index in Tumwater?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Tumwater.
When does it snow the most in Tumwater?
The month with the most snowfall is February, when snow falls for 3.3 days and typically aggregates up to 2.32" (59mm) of snow.
When is Daylight Saving Time (DST) in Tumwater?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
When it does not snow in Tumwater?
April through October are months without snowfall in Tumwater, Washington.
When are the longest days in Tumwater?
With an average of 15h and 48min of daylight, June has the longest days of the year.
What is the month with the highest UV index in Tumwater?
The months with the highest UV index are June and July, with an average maximum UV index of 5.
What is the least humid month in Tumwater?
With an average relative humidity of 71%, July is the least humid month in Tumwater, Washington.
What is the driest month in Tumwater?
July is the month with the least rainfall in Tumwater, Washington. Rain falls for 6.9 days and accumulates 0.39" (10mm) of precipitation.
What part of the year is the hottest in Tumwater?
Tumwater's August weather, marked by an average high temperature of 78.6°F (25.9°C) and an average low temperature of 50.5°F (10.3°C), is the warmest in the year.
What month has the most sunshine in Tumwater?
August has the most sunshine of the year, with an average of 10.2h of sunshine.
What month is the coldest in Tumwater?
December tends to be the coldest month, with temperatures averaging a daily high of 43°F (6.1°C) and a low of 33.4°F (0.8°C).
What is the wettest month in Tumwater?
December is the month with the most rainfall in Tumwater, Washington. Rain falls for 18.8 days and accumulates 5.79" (147mm) of precipitation.
What is the month with the shortest days in Tumwater?
The month with the shortest days in Tumwater is December, with an average of 8h and 36min of daylight.
What is the month with the least sunshine in Tumwater?
The month with the least sunshine in Tumwater is December, with an average of 3.4h of sunshine.
Average temperature
Tumwater, WA
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).
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
Tumwater, WA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.06"Hg - Average pressure in May:
30.04"Hg - Average pressure in June:
30.04"Hg
- Average pressure in July:
30.06"Hg - Average pressure in August:
30.02"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.08"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
Tumwater, WA
- Average wind speed in January:
4.5mph - Average wind speed in February:
4.5mph - Average wind speed in March:
4.6mph - Average wind speed in April:
4.5mph - Average wind speed in May:
4.3mph - Average wind speed in June:
4.5mph
- Average wind speed in July:
4.2mph - Average wind speed in August:
4mph - Average wind speed in September:
3.8mph - Average wind speed in October:
3.9mph - Average wind speed in November:
4.6mph - Average wind speed in December:
4.2mph
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
Tumwater, WA
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
Tumwater, WA
- Average rainfall in January:
5.71" - Average rainfall in February:
3.5" - Average rainfall in March:
3.94" - Average rainfall in April:
2.76" - Average rainfall in May:
1.77" - Average rainfall in June:
1.26"
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
Tumwater, WA
- Average rainfall days in January:
18.9 days - Average rainfall days in February:
17.4 days - Average rainfall days in March:
20.4 days - Average rainfall days in April:
18.4 days - Average rainfall days in May:
13.5 days - Average rainfall days in June:
11.3 days
- Average rainfall days in July:
6.9 days - Average rainfall days in August:
5.5 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
15.9 days - Average rainfall days in November:
18.7 days - Average rainfall days in December:
18.8 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
Tumwater, WA
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
Tumwater, WA
- Average snowfall days in January:
1.9 days - Average snowfall days in February:
3.3 days - Average snowfall days in March:
1.3 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.7 days - Average snowfall days in December:
1.4 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 / Average sunshine
Tumwater, WA
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
15h and 5min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 4min
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 January:
3h and 3min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 1min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 1min - Average sunshine in June:
8h and 4min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 2min - Average sunshine in October:
4h and 5min - Average sunshine in November:
3h and 5min - Average sunshine in December:
3h and 2min
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
Tumwater, WA
- Average sunshine days in January:
9.8 days - Average sunshine days in February:
8.4 days - Average sunshine days in March:
8.8 days - Average sunshine days in April:
9.9 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
15.8 days
- Average sunshine days in July:
21.9 days - Average sunshine days in August:
22.4 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
13.8 days - Average sunshine days in November:
8.7 days - Average sunshine days in December:
9.8 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
Tumwater, WA
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
Tumwater, WA
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
Tumwater, WA
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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