Climate and monthly weather forecastBrownstown, WA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Brownstown, Washington, with an average temperature fluctuating between 36.1°F (2.3°C) and 24.8°F (-4°C). The transition into January is marked with an average high-temperature of a still cold 36.1°F (2.3°C), showing an insignificant shift from December's 35.2°F (1.8°C). Weather in January »Weather in February
February, the last month of the winter in Brownstown, is also a wintry month, with an average temperature fluctuating between 27°F (-2.8°C) and 39.4°F (4.1°C). At the start of February, Brownstown's average high-temperature reaches a still wintry 39.4°F (4.1°C), subtly different from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Brownstown, Washington, with temperature in the range of an average low of 31.6°F (-0.2°C) and an average high of 46°F (7.8°C). March introduces a minor temperature shift, with average high-temperatures adjusting from February's icy 39.4°F (4.1°C) to a frosty 46°F (7.8°C). Weather in March »Weather in April
April is a cool spring month in Brownstown, Washington, with an average temperature fluctuating between 55.2°F (12.9°C) and 36.7°F (2.6°C). April's arrival brings a change in high-temperatures, moving from a chilly 46°F (7.8°C) in March to a cool 55.2°F (12.9°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Brownstown, Washington, with an average temperature fluctuating between 65.8°F (18.8°C) and 44.1°F (6.7°C). With the onset of May, Brownstown experiences a temperature shift, with the average high-temperature moving from a fresh 55.2°F (12.9°C) in April to a refreshing 65.8°F (18.8°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Brownstown, Washington, with an average temperature ranging between min 49.3°F (9.6°C) and max 73°F (22.8°C). As Brownstown enters June, the average high-temperature marginally increases from the a refreshing 65.8°F (18.8°C) of May to a pleasant 73°F (22.8°C). Weather in June »Weather in July
July in Brownstown, Washington, is a moderately hot summer month, with an average temperature ranging between max 82.9°F (28.3°C) and min 55.9°F (13.3°C). July marks a rise in the average high-temperature, moving from June's pleasant 73°F (22.8°C) to a moderately hot 82.9°F (28.3°C). Weather in July »Weather in August
August, the last month of the summer in Brownstown, is also a moderately hot month, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 83.1°F (28.4°C). The warmest period tends to be August, when average temperatures fluctuate between a high of 83.1°F (28.4°C) and a low of 56.8°F (13.8°C). The heat index in August is appraised at 82.4°F (28°C). Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Brownstown, Washington, with temperature in the range of an average high of 72°F (22.2°C) and an average low of 50°F (10°C). September's arrival correlates with a reduction in the average high-temperature, down from a warm 83.1°F (28.4°C) in August to a pleasant 72°F (22.2°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Brownstown, Washington, with an average temperature varying between 57.4°F (14.1°C) and 40.5°F (4.7°C). Brownstown's weather in October is characterized by a distinct drop in the average high-temperature, reducing from an agreeable 72°F (22.2°C) in September to a moderate 57.4°F (14.1°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Brownstown, Washington, with an average temperature ranging between max 44.1°F (6.7°C) and min 31.1°F (-0.5°C). The commencement of November indicates a shift in the average high-temperature, receding from October's mild 57.4°F (14.1°C) to a chilly 44.1°F (6.7°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Brownstown, Washington, with an average temperature fluctuating between 35.2°F (1.8°C) and 23.9°F (-4.5°C). Brownstown's December weather, with an average high temperature of 35.2°F (1.8°C) and an average low temperature of 23.9°F (-4.5°C), tends to be the coldest of the year. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Brownstown, WA
The warmest month (with the highest average high temperature) is August (83.1°F).
The month with the lowest average high temperature is December (35.2°F).
The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure
Brownstown, WA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
30.02"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed
Brownstown, WA
- Average wind speed in January:
4.6mph - Average wind speed in February:
5.1mph - Average wind speed in March:
6.2mph - Average wind speed in April:
6.9mph - Average wind speed in May:
6.5mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.2mph - Average wind speed in September:
5.9mph - Average wind speed in October:
5.3mph - Average wind speed in November:
5.1mph - Average wind speed in December:
4.5mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is December (4.5mph).
Average humidity
Brownstown, WA
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (43%).
Average rainfall
Brownstown, WA
- Average rainfall in January:
1.61" - Average rainfall in February:
1.18" - Average rainfall in March:
1.14" - Average rainfall in April:
0.59" - Average rainfall in May:
0.98" - Average rainfall in June:
0.43"
- Average rainfall in July:
0.12" - Average rainfall in August:
0.28" - Average rainfall in September:
0.47" - Average rainfall in October:
0.94" - Average rainfall in November:
0.94" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is January (1.61").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days
Brownstown, WA
- Average rainfall days in January:
11.9 days - Average rainfall days in February:
11.4 days - Average rainfall days in March:
13.7 days - Average rainfall days in April:
12.1 days - Average rainfall days in May:
10.3 days - Average rainfall days in June:
6.6 days
- Average rainfall days in July:
3.1 days - Average rainfall days in August:
3.8 days - Average rainfall days in September:
6.5 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
11.2 days - Average rainfall days in December:
10.6 days
The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is July (3.1 days).
Average snowfall
Brownstown, WA
The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days
Brownstown, WA
- Average snowfall days in January:
4.8 days - Average snowfall days in February:
5 days - Average snowfall days in March:
2.3 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
1.9 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is December (5.5 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight / Average sunshine
Brownstown, WA
- Average daylight in January:
9h and 6min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 42min
- Average daylight in July:
15h and 24min - Average daylight in August:
14h and 6min - 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 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
5h and 24min - Average sunshine in February:
5h and 48min - Average sunshine in March:
8h and 12min - Average sunshine in April:
10h and 30min - Average sunshine in May:
11h and 18min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 6min - Average sunshine in September:
10h and 54min - Average sunshine in October:
6h and 48min - Average sunshine in November:
6h and 24min - Average sunshine in December:
5h and 36min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days
Brownstown, WA
- Average sunshine days in January:
14.3 days - Average sunshine days in February:
12.6 days - Average sunshine days in March:
13.3 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
17.6 days - Average sunshine days in June:
21.3 days
- Average sunshine days in July:
25.9 days - Average sunshine days in August:
24.6 days - Average sunshine days in September:
21.1 days - Average sunshine days in October:
17.3 days - Average sunshine days in November:
15.1 days - Average sunshine days in December:
15.9 days
The month with the most sunshine days is July (25.9 days).
The month with the least sunshine days is February (12.6 days).
Average UV index
Brownstown, WA
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
Brownstown, WA
The month with the most cloud cover is January (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility
Brownstown, WA
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).





