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
In January, Ahtanum experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 36.9°F (2.7°C) in December to a still icy 37.6°F (3.1°C). January in Ahtanum witnesses an average low-temperature hovering around a freezing cold 26.6°F (-3°C).Humidity
The most humid month in Ahtanum, Washington, is January, with an average relative humidity of 81%.Rainfall
January is the month with the most rainfall in Ahtanum. Rain falls for 10.3 days and accumulates 0.87" (22mm) of precipitation.Snowfall
Months with snowfall in Ahtanum, Washington, are January through March, September, November and December. In January, it is snowing for 4.5 days. Throughout January, 2.05" (52mm) of snow is accumulated. In Ahtanum, Washington, during the entire year, snow falls for 18.5 days and aggregates up to 7.8" (198mm) of snow.Daylight
The average length of the day in January is 9h and 5min.On the first day of the month, sunrise is at 7:46 am and sunset at 4:25 pm. On the last day of January, sunrise is at 7:27 am and sunset at 5:04 pm PST.
Sunshine
The month with the least sunshine in Ahtanum is January, 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 in Ahtanum. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
How cold is January in Ahtanum?
What is the most humid month in Ahtanum?
What is the average humidity in January in Ahtanum?
What is the rainiest month in Ahtanum?
How many days does it rain in January in Ahtanum?
How many days does it snow in January in Ahtanum?
What is the average length of the day in January in Ahtanum?
When is the sunrise / sunset in January in Ahtanum?
What is the month with the least sunshine in Ahtanum?
How long on average sun shines in January in Ahtanum?
What are the months with the lowest UV index in Ahtanum?
What is the UV index intensity in January in Ahtanum?
Average temperature in January
Ahtanum, 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
Ahtanum, 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
Ahtanum, 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
Ahtanum, 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
Ahtanum, 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
Ahtanum, 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
Ahtanum, 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
Ahtanum, 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
Ahtanum, 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
Ahtanum, 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
Ahtanum, 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
Ahtanum, 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
Ahtanum, 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).
Ahtanum, Washington, USA
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