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
January's onset records a minor alteration in the average high-temperature to a still chilly 46°F (7.8°C) from December's 44.2°F (6.8°C). Cosmopolis's January nights demonstrate minimal variation from the daytime temperatures, with an average of 37.2°F (2.9°C).Humidity
In Cosmopolis, the average relative humidity in January is 87%.Rainfall
January is the month with the most rainfall. Rain falls for 12.3 days and accumulates 1.93" (49mm) of precipitation.Snowfall
Months with snowfall in Cosmopolis are January through March. The months with the most snowfall in Cosmopolis are January and February, with an average 0.28" (7mm) of accumulated snow.Daylight
In Cosmopolis, 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 4:36 pm. On the last day of January, in Cosmopolis, sunrise is at 7:41 am and sunset at 5:15 pm PST.
Sunshine
With an average of 3.4h of sunshine, January has the least sunshine of the year in Cosmopolis, Washington.UV index
The months with the lowest UV index in Cosmopolis are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 2 during January translates into the following directions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What are the temperatures in Cosmopolis in January?
What is the average humidity in January in Cosmopolis?
What is the rainiest month in Cosmopolis?
How many days does it rain in January in Cosmopolis?
When does it snow the most in Cosmopolis?
When does it start to snow in Cosmopolis?
What is the average length of the day in January in Cosmopolis?
When is the sunrise / sunset in January in Cosmopolis?
What is the month with the least sunshine in Cosmopolis?
How many hours of sunshine does Cosmopolis have in January?
When is the lowest UV index in Cosmopolis?
What is the UV index intensity in January in Cosmopolis?
Average temperature in January
Cosmopolis, WA
- Average high temperature in January: 46°F
The warmest month (with the highest average high temperature) is August (71.4°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in January: 37.2°F
The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is December (36.5°F).
Average pressure in January
Cosmopolis, WA
- Average pressure in January: 30.06"Hg
The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in January
Cosmopolis, WA
- Average wind speed in January: 7mph
The windiest month (with the highest average wind speed) is January (7mph).
The calmest month (with the lowest average wind speed) is September (4.7mph).
Average humidity in January
Cosmopolis, WA
- Average humidity in January: 87%
The months with the highest relative humidity are November and December (88%).
The month with the lowest relative humidity is July (78%).
Average rainfall in January
Cosmopolis, WA
- Average rainfall in January: 1.93"
The wettest month (with the highest rainfall) is January (1.93").
The driest months (with the least rainfall) are July and August (0.12").
Average rainfall days in January
Cosmopolis, WA
- Average rainfall days in January: 12.3 days
The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in January
Cosmopolis, WA
- Average snowfall in January: 0.28"
The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Cosmopolis, WA
- Average snowfall days in January: 0.9 days
The month with the highest number of snowfall days is February (1.3 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
Cosmopolis, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in January
Cosmopolis, WA
- Average sunshine days in January: 15.9 days
The month with the most sunshine days is August (25.4 days).
The months with the least sunshine days are February and March (14.1 days).
Average UV index in January
Cosmopolis, WA
- Average UV index in January: 2
The month with the highest UV index is 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
Cosmopolis, WA
- Average cloud cover in January: 64
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in January
Cosmopolis, WA
- Average visibility in January: 4mi
The months with the highest visibility are February, March, April, May, June and November (5mi).
The months with the lowest visibility are January, July, August, September, October and December (4mi).
Cosmopolis, Washington, USA
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