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
Welcoming January, Union Gap notes an average high-temperature of a still icy 37.6°F (3.1°C), nearly consistent with December's 36.9°F (2.7°C). Union Gap witnesses a consistent average low-temperature of 26.6°F (-3°C) throughout January.Humidity
January is the most humid month in Union Gap, Washington, with an average relative humidity of 81%.Rainfall
The month with the most rainfall in Union Gap is January, when the rain falls for 10.3 days and typically aggregates up to 0.87" (22mm) of precipitation.Snowfall
Months with snowfall are January through March, September, November and December. In Union Gap, in January, during 4.5 snowfall days, 2.05" (52mm) of snow is typically accumulated. Throughout the year, there are 18.5 snowfall days, and 7.8" (198mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 5min.On the first day of January, sunrise is at 7:45 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:03 pm PST.
Sunshine
January has the least sunshine of the year, with an average of 5.6h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 2 during January translates into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Stay sun-safe with clothing that is both closely woven and worn loosely. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
How cold is it in Union Gap in January?
What is the most humid month in Union Gap?
What is the average humidity in January in Union Gap?
What is the rainiest month in Union Gap?
How much does it rain in Union Gap in January?
How many days does it snow in January in Union Gap?
How many hours of daylight does Union Gap have in January?
When is the sunrise / sunset in January in Union Gap?
What is the month with the least sunshine in Union Gap?
How long on average sun shines in January in Union Gap?
What is the month with the lowest UV index in Union Gap?
What is the UV index reading in January in Union Gap?
Average temperature in January
Union Gap, WA
- Average high temperature in January: 37.6°F
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is December (36.9°F).
- Average low temperature in January: 26.6°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (25.5°F).
Average pressure in January
Union Gap, WA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in January
Union Gap, WA
- Average wind speed in January: 4.5mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is December (4.4mph).
Average humidity in January
Union Gap, WA
- Average humidity in January: 81%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (39%).
Average rainfall in January
Union Gap, WA
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is January (0.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in January
Union Gap, WA
- Average rainfall days in January: 10.3 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is August (2 days).
Average snowfall in January
Union Gap, WA
- Average snowfall in January: 2.05"
The month with the highest snowfall is December (2.76").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in January
Union Gap, WA
- Average snowfall days in January: 4.5 days
The month with the highest number of snowfall days is December (5.4 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in January /
Average sunshine in January
Union Gap, 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 36min).
- Average sunshine in January: 5h and 4min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in January
Union Gap, WA
- Average sunshine days in January: 17 days
The month with the most sunshine days is July (27.5 days).
The month with the least sunshine days is February (15.8 days).
Average UV index in January
Union Gap, 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
Union Gap, WA
- Average cloud cover in January: 40
The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in January
Union Gap, WA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Union Gap, Washington, USA
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