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 arrival of January brings an average high-temperature of a still icy 39°F (3.9°C), nearly identical to December's 38.3°F (3.5°C). Wallula, during January nights, observes an average temperature of 28.8°F (-1.8°C).Humidity
January is the most humid month in Wallula, with an average relative humidity of 80%.Rainfall
In Wallula, Washington, in January, it is raining for 10.8 days, with typically 0.91" (23mm) of accumulated precipitation. In Wallula, during the entire year, the rain falls for 102.8 days and collects up to 7.32" (186mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Wallula, in January, snow falls for 2.3 days, with typically accumulated 1.02" (26mm) of snow. Throughout the year, there are 9.7 snowfall days, and 5.2" (132mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 8min.On the first day of January, sunrise is at 7:37 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:58 pm PST.
Sunshine
The month with the least sunshine in Wallula is January, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 2 during January translates into the following directions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January in Wallula?
What is the most humid month in Wallula?
What is the average humidity in January in Wallula?
How many days does it rain in January in Wallula?
How much does it snow in Wallula in January?
How many hours of daylight does Wallula have in January?
What time are sunrise and sunset in January in Wallula?
What is the month with the least sunshine in Wallula?
How many hours of sunshine does Wallula have in January?
What is the month with the lowest UV index in Wallula?
What is the UV index reading in January in Wallula?
Average temperature in January
Wallula, WA
- Average high temperature in January: 39°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (38.3°F).
- Average low temperature in January: 28.8°F
The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is December (27.9°F).
Average pressure in January
Wallula, WA
- Average pressure in January: 30.19"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in January
Wallula, WA
- Average wind speed in January: 6.3mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).
Average humidity in January
Wallula, WA
- Average humidity in January: 80%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is July (35%).
Average rainfall in January
Wallula, WA
- Average rainfall in January: 0.91"
The wettest months (with the highest rainfall) are March and December (0.94").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in January
Wallula, WA
- Average rainfall days in January: 10.8 days
The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is July (3.5 days).
Average snowfall in January
Wallula, WA
- Average snowfall in January: 1.02"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Wallula, WA
- Average snowfall days in January: 2.3 days
The month with the highest number of snowfall days is December (3.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Wallula, WA
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in January
Wallula, WA
- Average sunshine days in January: 16.4 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is March (15.4 days).
Average UV index in January
Wallula, 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
Wallula, WA
- Average cloud cover in January: 44
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in January
Wallula, 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).
Wallula, Washington, USA
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