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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January in Chattaroy, Washington, is a cold winter month, with an average temperature ranging between max 32.4°F (0.2°C) and min 21.2°F (-6°C). The transition into January shows a subtle variation to a cold 32.4°F (0.2°C) from December's 31.3°F (-0.4°C) in the average high-temperature. Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Chattaroy, Washington, with an average temperature varying between 21.6°F (-5.8°C) and 35.1°F (1.7°C). The arrival of February denotes a barely perceptible change in the average high-temperatures to a still icy 35.1°F (1.7°C) from January's 32.4°F (0.2°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Chattaroy, Washington, with an average temperature ranging between min 28.9°F (-1.7°C) and max 44.8°F (7.1°C). The shift into March brings an increase in the average high-temperature, moving from a cold 35.1°F (1.7°C) in February to a frosty 44.8°F (7.1°C). Weather in March »
Weather in April
April is a fresh spring month in Chattaroy, Washington, with an average temperature varying between 54.7°F (12.6°C) and 33.6°F (0.9°C). Chattaroy, Washington, in April sees a temperature change, with average high-temperatures moving from a chilly 44.8°F (7.1°C) in March to a cool 54.7°F (12.6°C). Weather in April »
Weather in May
May, the last month of the spring in Chattaroy, is an enjoyable month, with an average temperature varying between 65.8°F (18.8°C) and 41.4°F (5.2°C). The onset of May brings a temperature shift, with the average high-temperature moving from a fresh 54.7°F (12.6°C) in April to an enjoyable 65.8°F (18.8°C). Weather in May »
Weather in June
June, the first month of the summer in Chattaroy, is a pleasant month, with an average temperature varying between 71.8°F (22.1°C) and 46°F (7.8°C). Observing a minor shift, the average high-temperature during June adjusts from May's refreshing 65.8°F (18.8°C) to an agreeable 71.8°F (22.1°C). Weather in June »
Weather in July
July is a moderately hot summer month in Chattaroy, Washington, with an average temperature varying between 83.5°F (28.6°C) and 52.5°F (11.4°C). In July, the average high-temperature increases from a pleasant 71.8°F (22.1°C) in June to a moderately hot 83.5°F (28.6°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Chattaroy, Washington, with an average temperature varying between 84°F (28.9°C) and 54.3°F (12.4°C). With average temperatures fluctuating between a high of 84°F (28.9°C) and a low of 54.3°F (12.4°C), August stands out as the warmest month. For August, the heat index is calculated to be 84.2°F (29°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Chattaroy, Washington, with temperature in the range of an average high of 72.7°F (22.6°C) and an average low of 46.6°F (8.1°C). September's onset brings a reduction in the average high-temperature, from a warm 84°F (28.9°C) in August to a pleasant 72.7°F (22.6°C). Weather in September »
Weather in October
October, the same as September, in Chattaroy, Washington, is a moderate autumn month, with an average temperature varying between 36.7°F (2.6°C) and 55.8°F (13.2°C). The arrival of October is marked by a notable decrease in high-temperatures, falling from a pleasant 72.7°F (22.6°C) in September to a moderate 55.8°F (13.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Chattaroy, is also an icy month, with an average temperature fluctuating between 28.2°F (-2.1°C) and 40.5°F (4.7°C). November is characterized by a clear drop in the average high-temperature, falling from October's moderate 55.8°F (13.2°C) to a wintry 40.5°F (4.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Chattaroy, Washington, with an average temperature varying between 20.3°F (-6.5°C) and 31.3°F (-0.4°C). In Chattaroy, the month of December registers the lowest temperatures, averaging 31.3°F (-0.4°C) at the peak and 20.3°F (-6.5°C) at the lowest. Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Chattaroy?
January is the most humid month in Chattaroy, Washington, with an average relative humidity of 92%.
What is the rainiest month in Chattaroy?
The month with the most rainfall is January, when the rain falls for 8.8 days and typically aggregates up to 2.4" (61mm) of precipitation.
How much does it rain in Chattaroy?
Throughout the year, there are 124.9 rainfall days, and 17.44" (443mm) of precipitation is accumulated.
When does it snow in Chattaroy?
Months with snowfall are January through May, September through December.
What is the snowiest month in Chattaroy?
January is the month with the most snowfall. Snow falls for 16 days and accumulates 13.23" (336mm) of snow.
How much does it snow in Chattaroy?
Throughout the year, in Chattaroy, Washington, there are 69.2 snowfall days, and 42.99" (1092mm) of snow is accumulated.
What is the month with the least sunshine in Chattaroy?
With an average of 3.4h of sunshine, January has the least sunshine of the year.
When is the lowest UV index in Chattaroy?
The months with the lowest UV index are February, November and December, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Chattaroy?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
When it does not snow in Chattaroy?
In Chattaroy, Washington, snow does not fall in June through August.
When are the longest days in Chattaroy?
The month with the longest days in Chattaroy, Washington, is June, with an average of 16h and 0min of daylight.
When is the highest UV index in Chattaroy?
With an average maximum UV index of 6, July is the month with the highest UV index in Chattaroy.
What part of the year is the hottest in Chattaroy?
In Chattaroy, Washington, the peak temperatures are generally noted in August, averaging a high of 84°F (28.9°C) and a low of 54.3°F (12.4°C).
What is the least humid month in Chattaroy?
The least humid month in Chattaroy, Washington, is August, with an average relative humidity of 43%.
What is the driest month in Chattaroy?
The month with the least rainfall is August, when the rain falls for 5.1 days and typically collects 0.31" (8mm) of precipitation.
What month has the most sunshine in Chattaroy?
August has the most sunshine of the year in Chattaroy, Washington, with an average of 12h of sunshine.
What is the coldest time of year in Chattaroy?
Chattaroy, Washington, experiences its lowest temperatures in December, with an average peak of 31.3°F (-0.4°C) and a low of 20.3°F (-6.5°C).
What is the month with the shortest days in Chattaroy?
With an average of 8h and 30min of daylight, December has the shortest days of the year in Chattaroy, Washington.
Average temperature
Chattaroy, WA
The warmest month (with the highest average high temperature) is August (84°F).
The month with the lowest average high temperature is December (31.3°F).
The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure
Chattaroy, WA
- Average pressure in January:
30.19"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.91"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 months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed
Chattaroy, WA
- Average wind speed in January:
4.1mph - Average wind speed in February:
4.4mph - Average wind speed in March:
5.2mph - Average wind speed in April:
5.6mph - Average wind speed in May:
5.2mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.7mph - Average wind speed in September:
4.7mph - Average wind speed in October:
4.5mph - Average wind speed in November:
4.5mph - Average wind speed in December:
4mph
The windiest month (with the highest average wind speed) is April (5.6mph).
The calmest month (with the lowest average wind speed) is December (4mph).
Average humidity
Chattaroy, WA
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (43%).
Average rainfall
Chattaroy, WA
- Average rainfall in January:
2.4" - Average rainfall in February:
1.54" - Average rainfall in March:
2.09" - Average rainfall in April:
1.42" - Average rainfall in May:
1.69" - Average rainfall in June:
1.26"
- Average rainfall in July:
0.39" - Average rainfall in August:
0.31" - Average rainfall in September:
0.63" - Average rainfall in October:
1.65" - Average rainfall in November:
1.77" - Average rainfall in December:
2.28"
The wettest month (with the highest rainfall) is January (2.4").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days
Chattaroy, WA
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
8.2 days - Average rainfall days in March:
16.2 days - Average rainfall days in April:
15.4 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
11.5 days
- Average rainfall days in July:
5.3 days - Average rainfall days in August:
5.1 days - Average rainfall days in September:
7 days - Average rainfall days in October:
12.3 days - Average rainfall days in November:
13.1 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is August (5.1 days).
Average snowfall
Chattaroy, WA
- Average snowfall in January:
13.23" - Average snowfall in February:
8.62" - Average snowfall in March:
4.88" - Average snowfall in April:
1.02" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (13.23").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Chattaroy, WA
- Average snowfall days in January:
16 days - Average snowfall days in February:
14.4 days - Average snowfall days in March:
8.9 days - Average snowfall days in April:
2.8 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:
1 days - Average snowfall days in November:
8.8 days - Average snowfall days in December:
16.9 days
The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Chattaroy, WA
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 4min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 3min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
3h and 2min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 5min - Average sunshine in April:
8h and 5min - Average sunshine in May:
10h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 1min - Average sunshine in October:
6h and 1min - Average sunshine in November:
4h and 4min - Average sunshine in December:
3h and 3min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days
Chattaroy, WA
- Average sunshine days in January:
11.6 days - Average sunshine days in February:
10.4 days - Average sunshine days in March:
9.7 days - Average sunshine days in April:
12.1 days - Average sunshine days in May:
16.4 days - Average sunshine days in June:
16.9 days
- Average sunshine days in July:
24.2 days - Average sunshine days in August:
23.8 days - Average sunshine days in September:
21.3 days - Average sunshine days in October:
17.1 days - Average sunshine days in November:
10.5 days - Average sunshine days in December:
11.5 days
The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is March (9.7 days).
Average UV index
Chattaroy, WA
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 1).
Average cloud cover
Chattaroy, WA
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility
Chattaroy, WA
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
Chattaroy, Washington, USA
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