January weather forecastMontesano, WA
January
Weather in January
January, the same as December, in Montesano, Washington, is another chilly winter month, with an average temperature fluctuating between 35.2°F (1.8°C) and 45.5°F (7.5°C).Temperature
Montesano experiences an average high-temperature of a still chilly 45.5°F (7.5°C) with the onset of January, subtly varied from December's 43.9°F (6.6°C). Montesano observes an average nighttime temperature of 35.2°F (1.8°C) during January.Humidity
The average relative humidity in January in Montesano is 89%.Rainfall
The wettest months are January and December, with an average 5.04" (128mm) of rainfall.Snowfall
Months with snowfall in Montesano are January through March, November and December. In Montesano, during January, snow falls for 1.2 days and regularly aggregates up to 0.67" (17mm) of snow. Throughout the year, there are 5.1 snowfall days, and 2.32" (59mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 2min.On the first day of the month, sunrise is at 8:00 am and sunset at 4:35 pm. On the last day of January, sunrise is at 7:40 am and sunset at 5:15 pm PST.
Sunshine
The months with the least sunshine are January and December, with an average of 3.3h 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 of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 2 in January translates into the following recommendations:
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. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Montesano, WA
- Average high temperature in January: 45.5°F
The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is December (43.9°F).
- Average low temperature in January: 35.2°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is February (34.5°F).
Average pressure in January
Montesano, WA
- Average pressure in January: 30.07"Hg
The months with the highest atmospheric pressure are January and July (30.07"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in January
Montesano, WA
- Average wind speed in January: 5.5mph
The windiest month (with the highest average wind speed) is January (5.5mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in January
Montesano, WA
- Average humidity in January: 89%
The months with the highest relative humidity are November and December (90%).
The month with the lowest relative humidity is July (76%).
Average rainfall in January
Montesano, WA
- Average rainfall in January: 5.04"
The wettest months (with the highest rainfall) are January and December (5.04").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in January
Montesano, WA
- Average rainfall days in January: 17.4 days
The month with the highest number of rainy days is March (19.2 days).
The month with the least rainy days is August (5.9 days).
Average snowfall in January
Montesano, WA
- Average snowfall in January: 0.67"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Montesano, WA
- Average snowfall days in January: 1.2 days
The month with the highest number of snowfall days is February (2 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
Montesano, WA
- Average daylight in January: 9h and 0min
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: 3h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 18min).
Average sunshine days in January
Montesano, WA
- Average sunshine days in January: 11.5 days
The months with the most sunshine days are July and August (22.1 days).
The month with the least sunshine days is March (10 days).
Average UV index in January
Montesano, WA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Montesano, WA
- Average cloud cover in January: 67
The months with the most cloud cover are January and December (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in January
Montesano, WA
- Average visibility in January: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
