Climate and monthly weather forecastWaller, WA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Waller, Washington, is another chilly winter month, with an average temperature ranging between min 33.8°F (1°C) and max 44.4°F (6.9°C). January's average high-temperature is a still chilly 44.4°F (6.9°C), maintaining a close comparison with December's 42.8°F (6°C). Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Waller, Washington, with an average temperature varying between 45°F (7.2°C) and 33.1°F (0.6°C). The advent of February signifies a minor shift to an average high-temperature of a still frosty 45°F (7.2°C), aligning closely with January. Weather in February »Weather in March
The first month of the spring, March, is still a chilly month in Waller, Washington, with an average temperature ranging between max 49.8°F (9.9°C) and min 35.2°F (1.8°C). March's commencement is accompanied by an average high-temperature of a still frosty 49.8°F (9.9°C), diverging marginally from February's 45°F (7.2°C). Weather in March »Weather in April
April in Waller, Washington, is a cool spring month, with an average temperature ranging between min 38.3°F (3.5°C) and max 55.2°F (12.9°C). Waller's weather in April presents a minor rise in the average high-temperature, moving from a chilly 49.8°F (9.9°C) in March to a cool 55.2°F (12.9°C). Weather in April »Weather in May
May, the last month of the spring in Waller, is a refreshing month, with an average temperature fluctuating between 63.7°F (17.6°C) and 43°F (6.1°C). May signals a minor shift in the average high-temperature, moving from April's cool 55.2°F (12.9°C) to a refreshing 63.7°F (17.6°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Waller, Washington, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 68.5°F (20.3°C). The advent of June brings an average high-temperature of an agreeable 68.5°F (20.3°C), exhibiting minor difference from the previous month. Weather in June »Weather in July
July is a moderately hot summer month in Waller, Washington, with an average temperature fluctuating between 50.2°F (10.1°C) and 76.3°F (24.6°C). As Waller transitions into July, the average high-temperature is observed to slightly rise from a pleasant 68.5°F (20.3°C) in June to a warm 76.3°F (24.6°C). Weather in July »Weather in August
August, the last month of the summer in Waller, is another warm month, with an average temperature fluctuating between 76.5°F (24.7°C) and 51.6°F (10.9°C). August, with an average high of 76.5°F (24.7°C) and a low of 51.6°F (10.9°C), signifies the warmest month of the year. Weather in August »Weather in September
September, the first month of the autumn in Waller, is still a pleasant month, with temperature in the range of an average low of 48.6°F (9.2°C) and an average high of 69.6°F (20.9°C). The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's moderately hot 76.5°F (24.7°C) to an agreeable 69.6°F (20.9°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Waller, Washington, with temperature in the range of an average high of 58.3°F (14.6°C) and an average low of 43.2°F (6.2°C). The start of October comes with a reduction in the average high-temperature, receding from an agreeable 69.6°F (20.9°C) in September to a moderate 58.3°F (14.6°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Waller, Washington, with an average temperature fluctuating between 37.8°F (3.2°C) and 48.6°F (9.2°C). Waller observes a minor decrease in the average high-temperature with the arrival of November, falling from October's moderate 58.3°F (14.6°C) 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 Waller, Washington, with temperature in the range of an average high of 42.8°F (6°C) and an average low of 32.7°F (0.4°C). December, recording an average high temperature of 42.8°F (6°C) and a low temperature of 32.7°F (0.4°C), is Waller's coldest month. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Waller, WA
The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (42.8°F).
The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is December (32.7°F).
Average pressure
Waller, WA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.05"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
30.02"Hg
- Average pressure in July:
30.03"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed
Waller, WA
- Average wind speed in January:
4.8mph - Average wind speed in February:
4.8mph - Average wind speed in March:
4.9mph - Average wind speed in April:
4.4mph - Average wind speed in May:
3.9mph - Average wind speed in June:
3.9mph
- Average wind speed in July:
3.7mph - Average wind speed in August:
3.5mph - Average wind speed in September:
3.7mph - Average wind speed in October:
4.2mph - Average wind speed in November:
4.7mph - Average wind speed in December:
4.5mph
The windiest month (with the highest average wind speed) is March (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity
Waller, WA
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is July (69%).
Average rainfall
Waller, WA
- Average rainfall in January:
4.8" - Average rainfall in February:
3.19" - Average rainfall in March:
3.43" - Average rainfall in April:
2.68" - Average rainfall in May:
1.73" - Average rainfall in June:
1.26"
- Average rainfall in July:
0.43" - Average rainfall in August:
0.59" - Average rainfall in September:
1.61" - Average rainfall in October:
3.74" - Average rainfall in November:
4.09" - Average rainfall in December:
4.92"
The wettest month (with the highest rainfall) is December (4.92").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days
Waller, WA
- Average rainfall days in January:
18.6 days - Average rainfall days in February:
18.5 days - Average rainfall days in March:
21 days - Average rainfall days in April:
18.4 days - Average rainfall days in May:
13.9 days - Average rainfall days in June:
13 days
- Average rainfall days in July:
7 days - Average rainfall days in August:
6.2 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
16.2 days - Average rainfall days in November:
19.3 days - Average rainfall days in December:
19.2 days
The month with the highest number of rainy days is March (21 days).
The month with the least rainy days is August (6.2 days).
Average snowfall
Waller, WA
The month with the highest snowfall is February (1.42").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Waller, WA
- Average snowfall days in January:
1.8 days - Average snowfall days in February:
2.7 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:
0.5 days - Average snowfall days in December:
1 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Waller, 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 42min - Average daylight in May:
15h and 6min - 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 36min
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 36min).
- Average sunshine in January:
4h and 18min - Average sunshine in February:
4h and 30min - Average sunshine in March:
6h and 6min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 6min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 54min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 30min - Average sunshine in November:
4h and 42min - Average sunshine in December:
4h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days
Waller, WA
- Average sunshine days in January:
10.7 days - Average sunshine days in February:
8.2 days - Average sunshine days in March:
8.9 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
14.3 days
- Average sunshine days in July:
22.2 days - Average sunshine days in August:
22.3 days - Average sunshine days in September:
16.7 days - Average sunshine days in October:
13.4 days - Average sunshine days in November:
9 days - Average sunshine days in December:
10 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is February (8.2 days).
Average UV index
Waller, WA
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Waller, WA
The months with the most cloud cover are January and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility
Waller, WA
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (5mi).





