Climate and monthly weather forecastMillwood, WA
Climate and monthly weather forecast
Weather in January
January, like December, in Millwood, Washington, is another cold winter month, with an average temperature fluctuating between 33.3°F (0.7°C) and 22.6°F (-5.2°C). Millwood experiences a minor change to a still wintry 33.3°F (0.7°C) in average high-temperature during January, closely reflecting December. Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Millwood, Washington, with temperature in the range of an average low of 24.1°F (-4.4°C) and an average high of 36.5°F (2.5°C). February's climate shows a minor adjustment in average high-temperatures to a still cold 36.5°F (2.5°C) from January's 33.3°F (0.7°C). Weather in February »Weather in March
March, the first month of the spring in Millwood, is a frosty month, with an average temperature ranging between min 29.7°F (-1.3°C) and max 45°F (7.2°C). Millwood's transition into March is marked by a minor temperature shift, moving from a wintry 36.5°F (2.5°C) in February to a frosty 45°F (7.2°C). Weather in March »Weather in April
April in Millwood, Washington, is a fresh spring month, with temperature in the range of an average low of 34.9°F (1.6°C) and an average high of 54.1°F (12.3°C). In April, the average high-temperature increases from a frosty 45°F (7.2°C) in March to a fresh 54.1°F (12.3°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Millwood, Washington, with an average temperature fluctuating between 65.1°F (18.4°C) and 41.2°F (5.1°C). The shift into May is marked by a rise in the average high-temperature, moving from April's cool 54.1°F (12.3°C) to an enjoyable 65.1°F (18.4°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Millwood, Washington, with an average temperature varying between 71.1°F (21.7°C) and 46.6°F (8.1°C). As Millwood transitions into June, the average high-temperature is observed to slightly rise from a refreshing 65.1°F (18.4°C) in May to an agreeable 71.1°F (21.7°C). Weather in June »Weather in July
July in Millwood, Washington, is a moderately hot summer month, with an average temperature ranging between max 82.9°F (28.3°C) and min 54.1°F (12.3°C). Millwood's transition into July is marked by a rise in the average high-temperature, advancing from a pleasant 71.1°F (21.7°C) in June to a moderately hot 82.9°F (28.3°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Millwood, Washington, with an average temperature fluctuating between 55.9°F (13.3°C) and 83.3°F (28.5°C). Millwood notes the warmest temperatures in August, with a high average of 83.3°F (28.5°C) and a low of 55.9°F (13.3°C). For August, the heat index is evaluated at 82.4°F (28°C). Weather in August »Weather in September
September, the first month of the autumn in Millwood, is also an agreeable month, with temperature in the range of an average low of 48.2°F (9°C) and an average high of 72.5°F (22.5°C). September brings a minor decrease, with the average high-temperature reducing from a warm 83.3°F (28.5°C) in August to an agreeable 72.5°F (22.5°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Millwood, Washington, with an average temperature fluctuating between 38.3°F (3.5°C) and 55.9°F (13.3°C). Millwood experiences a clear temperature downturn in October, with average high-temperatures moving from a pleasant 72.5°F (22.5°C) in September to a mild 55.9°F (13.3°C). Weather in October »Weather in November
November, the last month of the autumn in Millwood, is another cold month, with temperature in the range of an average low of 29.3°F (-1.5°C) and an average high of 41°F (5°C). The beginning of November marks a clear shift in the average high-temperature, receding from October's moderate 55.9°F (13.3°C) to a cold 41°F (5°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Millwood, Washington, with an average temperature fluctuating between 21.9°F (-5.6°C) and 32°F (0°C). December is the coldest month, exhibiting average temperatures of 32°F (0°C) at the peak and 21.9°F (-5.6°C) at the base. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Millwood, WA
The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (32°F).
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure
Millwood, WA
- Average pressure in January:
30.19"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.17"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed
Millwood, WA
- Average wind speed in January:
4.8mph - Average wind speed in February:
5.1mph - Average wind speed in March:
5.9mph - Average wind speed in April:
6.1mph - Average wind speed in May:
5.5mph - Average wind speed in June:
5.4mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - Average wind speed in September:
4.9mph - Average wind speed in October:
5mph - Average wind speed in November:
5.1mph - Average wind speed in December:
4.7mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).
Average humidity
Millwood, WA
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (43%).
Average rainfall
Millwood, WA
- Average rainfall in January:
2.28" - Average rainfall in February:
1.61" - Average rainfall in March:
2.17" - Average rainfall in April:
1.42" - Average rainfall in May:
1.61" - Average rainfall in June:
1.26"
- Average rainfall in July:
0.35" - Average rainfall in August:
0.35" - Average rainfall in September:
0.63" - Average rainfall in October:
1.61" - Average rainfall in November:
1.77" - Average rainfall in December:
2.2"
The wettest month (with the highest rainfall) is January (2.28").
The driest months (with the least rainfall) are July and August (0.35").
Average rainfall days
Millwood, WA
- Average rainfall days in January:
9.7 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
16 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
12.7 days - Average rainfall days in June:
10.9 days
- Average rainfall days in July:
5.1 days - Average rainfall days in August:
5.5 days - Average rainfall days in September:
7.9 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
12.9 days - Average rainfall days in December:
8.9 days
The month with the highest number of rainy days is March (16 days).
The month with the least rainy days is July (5.1 days).
Average snowfall
Millwood, WA
- Average snowfall in January:
10.51" - Average snowfall in February:
8.23" - Average snowfall in March:
4.65" - Average snowfall in April:
1.18" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (10.51").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Millwood, WA
- Average snowfall days in January:
13.3 days - Average snowfall days in February:
11.2 days - Average snowfall days in March:
7.8 days - Average snowfall days in April:
3 days - Average snowfall days in May:
0.2 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:
0.2 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
6.3 days - Average snowfall days in December:
13.9 days
The month with the highest number of snowfall days is December (13.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Millwood, WA
- Average daylight in January:
8h and 54min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 12min - Average daylight in June:
15h and 54min
- Average daylight in July:
15h and 30min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
3h and 48min - Average sunshine in February:
4h and 6min - Average sunshine in March:
6h and 6min - Average sunshine in April:
9h and 0min - Average sunshine in May:
10h and 18min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
11h and 48min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 6min - Average sunshine in October:
6h and 24min - Average sunshine in November:
4h and 54min - Average sunshine in December:
3h and 48min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days
Millwood, WA
- Average sunshine days in January:
13.2 days - Average sunshine days in February:
11.7 days - Average sunshine days in March:
10.3 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
16.4 days - Average sunshine days in June:
17.3 days
- Average sunshine days in July:
24.3 days - Average sunshine days in August:
23.2 days - Average sunshine days in September:
20.8 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
12.3 days - Average sunshine days in December:
13.4 days
The month with the most sunshine days is July (24.3 days).
The month with the least sunshine days is March (10.3 days).
Average UV index
Millwood, WA
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Millwood, WA
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility
Millwood, WA
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).





