Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Coulee City's weather, upon January's arrival, documents an average high-temperature of a wintry 32°F (0°C), nearly identical to the prior month. During the month of January, Coulee City's nighttime temperature lowers to an average of 21.9°F (-5.6°C).Humidity
January is the most humid month, with an average relative humidity of 89%.Rainfall
In Coulee City, during January, the rain falls for 9.7 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, there are 102.1 rainfall days, and 9.65" (245mm) of precipitation is accumulated.Snowfall
January through April, September through December are months with snowfall. The month with the most snowfall in Coulee City, Washington, is January, when snow falls for 8.4 days and typically aggregates up to 4.41" (112mm) of snow.Daylight
The average length of the day in January in Coulee City is 8h and 58min.On the first day of January, sunrise is at 7:45 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:56 pm PST.
Sunshine
January has the least sunshine of the year, with an average of 4.1h of sunshine.UV index
In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 2 during January leads to these instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
When does it snow the most?
How many days does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Coulee City have in January?
What is the UV index reading in January?
Average temperature in January
Coulee City, WA
- Average high temperature in January: 32°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (31.6°F).
- Average low temperature in January: 21.9°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).
Average pressure in January
Coulee City, WA
- Average pressure in January: 30.18"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in January
Coulee City, WA
- Average wind speed in January: 4.9mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).
Average humidity in January
Coulee City, WA
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (36%).
Average rainfall in January
Coulee City, WA
- Average rainfall in January: 1.14"
The wettest months (with the highest rainfall) are May and December (1.18").
The driest months (with the least rainfall) are July and August (0.2").
Average rainfall days in January
Coulee City, WA
- Average rainfall days in January: 9.7 days
The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in January
Coulee City, WA
- Average snowfall in January: 4.41"
The month with the highest snowfall is January (4.41").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in January
Coulee City, WA
- Average snowfall days in January: 8.4 days
The month with the highest number of snowfall days is December (10.5 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Coulee City, WA
- Average daylight in January: 9h and 0min
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 30min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Coulee City, WA
- Average sunshine days in January: 16 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is March (14.7 days).
Average UV index in January
Coulee City, WA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in January
Coulee City, WA
- Average cloud cover in January: 55
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in January
Coulee City, WA
- Average visibility in January: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
Coulee City, Washington, USA
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