Climate and monthly weather forecastEast Olympia, WA
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in East Olympia, Washington, with an average temperature fluctuating between 34.3°F (1.3°C) and 44.6°F (7°C). The onset of January brings with it an average high-temperature of a still frosty 44.6°F (7°C), showing a negligible variation from the month before. Weather in January »Weather in February
February, the last month of the winter in East Olympia, is another chilly month, with an average temperature varying between 46°F (7.8°C) and 33.6°F (0.9°C). The arrival of February coincides with an average high-temperature of a still frosty 46°F (7.8°C), indicating a minimal shift from January's 44.6°F (7°C). Weather in February »Weather in March
The first month of the spring, March, is a cool month in East Olympia, Washington, with temperature in the range of an average low of 35.8°F (2.1°C) and an average high of 51.1°F (10.6°C). The shift into March reveals an average high-temperature of a cool 51.1°F (10.6°C), closely mirroring February's climate. Weather in March »Weather in April
April in East Olympia, Washington, is a moderate spring month, with temperature in the range of an average low of 37.9°F (3.3°C) and an average high of 57°F (13.9°C). East Olympia perceives a slight temperature ascent during April, with average high-temperatures adjusting from a cool 51.1°F (10.6°C) in March to a mild 57°F (13.9°C). Weather in April »Weather in May
May, the last month of the spring in East Olympia, is an enjoyable month, with an average temperature fluctuating between 65.7°F (18.7°C) and 41.9°F (5.5°C). 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). Weather in May »Weather in June
June, the first month of the summer in East Olympia, is an agreeable month, with an average temperature fluctuating between 70.3°F (21.3°C) and 45.3°F (7.4°C). The arrival of June records an average high-temperature of a pleasant 70.3°F (21.3°C), closely related to the 65.7°F (18.7°C) observed in May. Weather in June »Weather in July
July is a warm summer month in East Olympia, Washington, with an average temperature ranging between min 49.6°F (9.8°C) and max 77.9°F (25.5°C). As July begins, there's a slight increase in the average high-temperature, 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 East Olympia, is another warm month, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 78.6°F (25.9°C). August, recognised by an average high temperature of 78.6°F (25.9°C) and a low of 50.5°F (10.3°C), is East Olympia's warmest month. Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in East Olympia, Washington, with an average temperature ranging between max 70.5°F (21.4°C) and min 47.7°F (8.7°C). September brings a slight decrease in the average high-temperature, shifting 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, the same as September, in East Olympia, Washington, is another refreshing autumn month, with an average temperature fluctuating between 42.3°F (5.7°C) and 58.6°F (14.8°C). The move into October indicates a reduction in the average high-temperature, down from September's agreeable 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 East Olympia, Washington, with an average temperature fluctuating between 38.3°F (3.5°C) and 48.6°F (9.2°C). November's onset corresponds with a shift in the average high-temperature, moving from a refreshing 58.6°F (14.8°C) in October to a chilly 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 East Olympia, Washington, with temperature in the range of an average low of 33.4°F (0.8°C) and an average high of 43°F (6.1°C). December, noted for its average high-temperature of 43°F (6.1°C) and an average low-temperature of 33.4°F (0.8°C), is considered the coldest month. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
East Olympia, 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
East Olympia, 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
East Olympia, 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
East Olympia, 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
East Olympia, 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
East Olympia, 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
East Olympia, 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
East Olympia, 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
East Olympia, WA
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 18min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 6min - Average daylight in June:
15h and 48min
- Average daylight in July:
15h and 24min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 24min - Average daylight in December:
8h and 36min
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 30min - Average sunshine in February:
3h and 42min - Average sunshine in March:
5h and 6min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 6min - Average sunshine in June:
8h and 42min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 18min - Average sunshine in October:
4h and 48min - Average sunshine in November:
3h and 54min - Average sunshine in December:
3h and 24min
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
East Olympia, 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
East Olympia, 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
East Olympia, 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
East Olympia, 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).





