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
The introduction of January notes a subtle temperature variation to a still wintry 38.5°F (3.6°C) from December's 36.3°F (2.4°C). In the month of January, the nighttime temperature in Pomeroy dips to a steady average of 28.2°F (-2.1°C).Humidity
With an average relative humidity of 81%, January is the most humid month.Rainfall
In Pomeroy, Washington, in January, during 12.3 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. In Pomeroy, during the entire year, the rain falls for 122.8 days and collects up to 13.43" (341mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In January, it is snowing for 7.3 days. Throughout January, 3.46" (88mm) of snow is accumulated. Throughout the year, there are 32.7 snowfall days, and 16.77" (426mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 5min.On the first day of the month, sunrise is at 7:34 am and sunset at 4:13 pm. On the last day of January, sunrise is at 7:15 am and sunset at 4:52 pm PST.
Sunshine
With an average of 5h of sunshine, January has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Pomeroy. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In January, an average UV index of 2 transforms into the following instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in Pomeroy in January?
How much does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Pomeroy have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Pomeroy, WA
- Average high temperature in January: 38.5°F
The warmest month (with the highest average high temperature) is August (83.8°F).
The month with the lowest average high temperature is December (36.3°F).
- Average low temperature in January: 28.2°F
The month with the highest average low temperature is August (61.7°F).
The coldest month (with the lowest average low temperature) is December (25.9°F).
Average pressure in January
Pomeroy, WA
- Average pressure in January: 30.2"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in January
Pomeroy, WA
- Average wind speed in January: 7mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest months (with the lowest average wind speed) are August and September (6mph).
Average humidity in January
Pomeroy, WA
- Average humidity in January: 81%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (37%).
Average rainfall in January
Pomeroy, WA
- Average rainfall in January: 1.65"
The wettest months (with the highest rainfall) are March and December (1.69").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in January
Pomeroy, WA
- Average rainfall days in January: 12.3 days
The month with the highest number of rainy days is March (15.7 days).
The month with the least rainy days is July (4.8 days).
Average snowfall in January
Pomeroy, WA
- Average snowfall in January: 3.46"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Pomeroy, WA
- Average snowfall days in January: 7.3 days
The months with the highest number of snowfall days are February and December (8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Pomeroy, WA
- Average daylight in January: 9h and 1min
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 42min).
- Average sunshine in January: 5h
The month with the most sunshine is August (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 5h).
Average sunshine days in January
Pomeroy, WA
- Average sunshine days in January: 13.9 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (11.9 days).
Average UV index in January
Pomeroy, WA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Pomeroy, WA
- Average cloud cover in January: 46
The months with the most cloud cover are January and February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in January
Pomeroy, WA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Pomeroy, Washington, USA
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