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 coincides with an average high-temperature of a still chilly 45.5°F (7.5°C), indicating a minimal shift from December's 43.7°F (6.5°C). In Ruston, the average low-temperature during the month of January is a cold 35.2°F (1.8°C).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 87%.Rainfall
In Ruston, in January, it is raining for 18.3 days, with typically 4.53" (115mm) of accumulated precipitation. In Ruston, during the entire year, the rain falls for 172.9 days and collects up to 30.08" (764mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Ruston, in January, during 1.9 snowfall days, 1.26" (32mm) of snow is typically accumulated. Throughout the year, there are 8.9 snowfall days, and 5.04" (128mm) of snow is accumulated.Daylight
The average length of the day in January in Ruston is 8h and 59min.On the first day of January, sunrise is at 7:56 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:09 pm PST.
Sunshine
The average sunshine in January in Ruston, Washington, is 4.2h.UV index
The months with the lowest UV index in Ruston, Washington, are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to 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. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What is the temperature in January in Ruston?
What is the most humid month in Ruston?
What is the average humidity in January in Ruston?
How much does it rain in Ruston in January?
How many days does it snow in January in Ruston?
How many hours of daylight does Ruston have in January?
When is the sunrise / sunset in January in Ruston?
How many hours of sunshine does Ruston have in January?
What is the month with the lowest UV index in Ruston?
What is the UV index intensity in January in Ruston?
Average temperature in January
Ruston, WA
- Average high temperature in January: 45.5°F
The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in January: 35.2°F
The month with the highest average low temperature is August (52.7°F).
The coldest months (with the lowest average low temperature) are February and December (34.3°F).
Average pressure in January
Ruston, WA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in January
Ruston, WA
- Average wind speed in January: 5mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in January
Ruston, WA
- Average humidity in January: 87%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is July (68%).
Average rainfall in January
Ruston, WA
- Average rainfall in January: 4.53"
The wettest month (with the highest rainfall) is December (4.69").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in January
Ruston, WA
- Average rainfall days in January: 18.3 days
The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (5 days).
Average snowfall in January
Ruston, WA
- Average snowfall in January: 1.26"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Ruston, WA
- Average snowfall days in January: 1.9 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Ruston, 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: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in January
Ruston, WA
- Average sunshine days in January: 10.8 days
The month with the most sunshine days is August (23.4 days).
The month with the least sunshine days is February (9 days).
Average UV index in January
Ruston, WA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Ruston, WA
- Average cloud cover in January: 58
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Ruston, WA
- Average visibility in January: 5mi
The months with the highest visibility are June, July and August (6mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (5mi).
Ruston, Washington, USA
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