Climate and monthly weather forecastCurtis, WA
Climate and monthly weather forecast
Weather in January
January in Curtis, Washington, is a chilly winter month, with an average temperature fluctuating between 33.8°F (1°C) and 44.6°F (7°C). The beginning of January records an average high-temperature of a frosty 44.6°F (7°C), marking a negligible difference from December's 42.6°F (5.9°C). Weather in January »Weather in February
February, the last month of the winter in Curtis, is another chilly month, with an average temperature ranging between max 46.4°F (8°C) and min 33.4°F (0.8°C). With the start of February, Curtis measures an average high-temperature of a still chilly 46.4°F (8°C), not significantly differing from January's 44.6°F (7°C). Weather in February »Weather in March
March, the first month of the spring in Curtis, is a fresh month, with an average temperature varying between 50.5°F (10.3°C) and 35.1°F (1.7°C). Curtis registers an average high-temperature of a cool 50.5°F (10.3°C) with the arrival of March, showing minor deviation from the preceding month. Weather in March »Weather in April
April in Curtis, Washington, is a refreshing spring month, with an average temperature varying between 56.1°F (13.4°C) and 36.9°F (2.7°C). The average high-temperature mildly increases in April, edging from a fresh 50.5°F (10.3°C) in March to a moderate 56.1°F (13.4°C). Weather in April »Weather in May
May, the last month of the spring in Curtis, is a comfortable month, with an average temperature ranging between max 64.8°F (18.2°C) and min 40.8°F (4.9°C). The start of May is characterized by a subtle increase in the average high-temperature, transitioning from a moderate 56.1°F (13.4°C) in April to a still refreshing 64.8°F (18.2°C). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Curtis, Washington, with an average temperature varying between 44.8°F (7.1°C) and 69.4°F (20.8°C). As Curtis welcomes June, the average high-temperature records at an agreeable 69.4°F (20.8°C), marking an insignificant deviation from the prior month. Weather in June »Weather in July
July in Curtis, Washington, is a moderately hot summer month, with an average temperature ranging between min 48.4°F (9.1°C) and max 76.6°F (24.8°C). The start of July brings a subtle shift in the average high-temperature, edging up from June's pleasant 69.4°F (20.8°C) to a moderately hot 76.6°F (24.8°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Curtis, Washington, with temperature in the range of an average low of 50°F (10°C) and an average high of 77.5°F (25.3°C). August, having an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 50°F (10°C), is the warmest month. Weather in August »Weather in September
September, the first month of the autumn in Curtis, is also an agreeable month, with an average temperature ranging between min 46.9°F (8.3°C) and max 70.3°F (21.3°C). September's arrival subtly correlates with a reduction in the average high-temperature, down from a moderately hot 77.5°F (25.3°C) in August to a pleasant 70.3°F (21.3°C). Weather in September »Weather in October
October, the same as September, in Curtis, Washington, is another refreshing autumn month, with an average temperature fluctuating between 58.8°F (14.9°C) and 42.1°F (5.6°C). As September transitions into October, Curtis sees a drop in the average high-temperature, transitioning from a pleasant 70.3°F (21.3°C) to a moderate 58.8°F (14.9°C). Weather in October »Weather in November
November, the last month of the autumn in Curtis, is another chilly month, with an average temperature fluctuating between 48.4°F (9.1°C) and 37.9°F (3.3°C). The onset of November introduces a moderate change in Curtis's weather, with average high-temperatures falling from October's refreshing 58.8°F (14.9°C) to a frosty 48.4°F (9.1°C). Weather in November »Weather in December
December, the first month of the winter in Curtis, is still a cold month, with temperature in the range of an average high of 42.6°F (5.9°C) and an average low of 33.1°F (0.6°C). December, with an average high of 42.6°F (5.9°C) and a low of 33.1°F (0.6°C), signifies the coldest month of the year. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Curtis, WA
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (42.6°F).
The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure
Curtis, WA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.02"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 months with the lowest atmospheric pressure are March, August and September (30.02"Hg).
Average wind speed
Curtis, WA
- Average wind speed in January:
4.5mph - Average wind speed in February:
4.3mph - Average wind speed in March:
4.5mph - Average wind speed in April:
4.3mph - Average wind speed in May:
4mph - Average wind speed in June:
4mph
- Average wind speed in July:
3.9mph - Average wind speed in August:
3.7mph - Average wind speed in September:
3.6mph - Average wind speed in October:
3.9mph - Average wind speed in November:
4.5mph - Average wind speed in December:
4.3mph
The windiest months (with the highest average wind speed) are January, March and November (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.6mph).
Average humidity
Curtis, WA
The months with the highest relative humidity are January, February, November and December (89%).
The month with the lowest relative humidity is July (73%).
Average rainfall
Curtis, WA
- Average rainfall in January:
5.51" - Average rainfall in February:
3.7" - Average rainfall in March:
3.9" - Average rainfall in April:
2.91" - Average rainfall in May:
2.09" - Average rainfall in June:
1.5"
- Average rainfall in July:
0.47" - Average rainfall in August:
0.55" - Average rainfall in September:
1.65" - Average rainfall in October:
4.09" - Average rainfall in November:
4.37" - Average rainfall in December:
5.35"
The wettest month (with the highest rainfall) is January (5.51").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days
Curtis, WA
- Average rainfall days in January:
18.6 days - Average rainfall days in February:
18.1 days - Average rainfall days in March:
21.5 days - Average rainfall days in April:
19 days - Average rainfall days in May:
14.6 days - Average rainfall days in June:
12.6 days
- Average rainfall days in July:
6.5 days - Average rainfall days in August:
6.4 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
16.7 days - Average rainfall days in November:
20.2 days - Average rainfall days in December:
20 days
The month with the highest number of rainy days is March (21.5 days).
The month with the least rainy days is August (6.4 days).
Average snowfall
Curtis, WA
The month with the highest snowfall is February (1.93").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Curtis, WA
- Average snowfall days in January:
1.8 days - Average snowfall days in February:
3.5 days - Average snowfall days in March:
1.7 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:
1.4 days
The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Curtis, 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 48min
- 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 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 36min - Average sunshine in February:
3h and 36min - Average sunshine in March:
5h and 0min - Average sunshine in April:
6h and 48min - Average sunshine in May:
8h and 0min - Average sunshine in June:
8h and 36min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 18min - Average sunshine in October:
4h and 54min - Average sunshine in November:
3h and 48min - Average sunshine in December:
3h and 30min
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 30min).
Average sunshine days
Curtis, WA
- Average sunshine days in January:
9.6 days - Average sunshine days in February:
7.6 days - Average sunshine days in March:
8.2 days - Average sunshine days in April:
9.7 days - Average sunshine days in May:
15 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
20.8 days - Average sunshine days in August:
20.8 days - Average sunshine days in September:
16.9 days - Average sunshine days in October:
12.9 days - Average sunshine days in November:
8.5 days - Average sunshine days in December:
9.5 days
The months with the most sunshine days are July and August (20.8 days).
The month with the least sunshine days is February (7.6 days).
Average UV index
Curtis, WA
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Curtis, WA
The months with the most cloud cover are January, February and December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility
Curtis, WA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).





