January weather forecast
Chattaroy, WA

Share

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).

Temperature

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. Chattaroy observes an average low-temperature of 21.2°F (-6°C) during January nights.

Humidity

The most humid month is January, with an average relative humidity of 92%.

Rainfall

January is the month with the most rainfall. Rain falls for 8.8 days and accumulates 2.4" (61mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. January is the month with the most snowfall. Snow falls for 16 days and accumulates 13.23" (336mm) of snow.

Daylight

In January, the average length of the day is 8h and 55min.
On the first day of the month, sunrise is at 7:38 am and sunset at 4:07 pm. On the last day of January, sunrise is at 7:18 am and sunset at 4:47 pm PST.

Sunshine

January has the least sunshine of the year in Chattaroy, with an average of 3.4h of sunshine.

UV index

In Chattaroy, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
[Resources]

Frequently asked questions

How cold is January in Chattaroy?

The high-temperature, in January, in Chattaroy, is 32.4°F (0.2°C), while the low-temperature averages to 21.2°F (-6°C).

What is the most humid month in Chattaroy?

January is the most humid month in Chattaroy, with an average relative humidity of 92%.

What is the average humidity in January in Chattaroy?

In January, the average relative humidity in Chattaroy, Washington, is 92%.

What is the rainiest month in Chattaroy?

The month with the most rainfall in Chattaroy 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 in January?

In January, the rain falls for 8.8 days. Throughout January, 2.4" (61mm) of precipitation is accumulated.

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 in January?

In Chattaroy, during January, snow falls for 16 days and regularly aggregates up to 13.23" (336mm) of snow.

How many hours of daylight does Chattaroy have in January?

In Chattaroy, Washington, the average day length in January is 8h and 55min.

When is the sunrise / sunset in January in Chattaroy?

On the first day of January in Chattaroy, sunrise is at 7:38 am and sunset at 4:07 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:47 pm PST.

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 in Chattaroy.

How long on average sun shines in January in Chattaroy?

In January, the average sunshine duration in Chattaroy is 3.4h.

How high is the UV index in January in Chattaroy?

The average daily maximum UV index in January in Chattaroy is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Chattaroy, WA

Average temperature in January - Chattaroy, WA
  • Average high temperature in January: 32.4°F

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).

  • Average low temperature in January: 21.2°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).

[Resources]

Average pressure in January
Chattaroy, WA

Average pressure in January - Chattaroy, WA
  • Average pressure in January: 30.19"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).

[Resources]

Average wind speed in January
Chattaroy, WA

Average wind speed in January - Chattaroy, WA
  • Average wind speed in January: 4.1mph

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).

[Resources]

Average humidity in January
Chattaroy, WA

Average humidity in January - Chattaroy, WA
  • Average humidity in January: 92%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (43%).

[Resources]

Average rainfall in January
Chattaroy, WA

Average rainfall in January - Chattaroy, WA
  • Average rainfall in January: 2.4"

The wettest month (with the highest rainfall) is January (2.4").
The driest month (with the least rainfall) is August (0.31").

[Resources]

Average rainfall days in January
Chattaroy, WA

Average rainfall days in January - Chattaroy, WA
  • Average rainfall days in January: 8.8 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).

[Resources]

Average snowfall in January
Chattaroy, WA

Average snowfall in January - Chattaroy, WA
  • Average snowfall in January: 13.23"

The month with the highest snowfall is January (13.23").
The months with the least snowfall are June, July and August (0").

[Resources]

Average snowfall days in January
Chattaroy, WA

Average snowfall days in January - Chattaroy, WA
  • Average snowfall days in January: 16 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).

[Resources]

Average daylight in January /
Average sunshine in January
Chattaroy, WA

Average daylight in January / Average sunshine in January - Chattaroy, WA
  • Average daylight in January: 8h and 5min

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

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).

[Resources]

Average sunshine days in January
Chattaroy, WA

Average sunshine days in January - Chattaroy, WA
  • Average sunshine days in January: 11.6 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).

[Resources]

Average UV index in January
Chattaroy, WA

Average UV index in January - Chattaroy, WA
  • Average UV index in January: 2

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).

[Resources]

Average cloud cover in January
Chattaroy, WA

Average cloud cover in January - Chattaroy, WA
  • Average cloud cover in January: 64

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 13).

[Resources]

Average visibility in January
Chattaroy, WA

Average visibility in January - Chattaroy, WA
  • Average visibility in January: 3mi

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).

[Resources]

Chattaroy, Washington, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location