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
Rosburg's average high-temperature marks a still chilly 45.7°F (7.6°C) with the advent of January, closely mirroring that of the preceding month. Rosburg documents an average low-temperature of 38.3°F (3.5°C) for the nights of January.Humidity
January, February, November and December, with an average relative humidity of 85%, are the most humid months.Rainfall
In January, in Rosburg, the rain falls for 20 days. Throughout January, 6.26" (159mm) of precipitation is accumulated. In Rosburg, during the entire year, the rain falls for 195.9 days and collects up to 40.59" (1031mm) of precipitation.Snowfall
January through March and December are months with snowfall in Rosburg. The months with the most snowfall are January and February, with an average 0.87" (22mm) of accumulated snow.Daylight
In January, the average length of the day in Rosburg is 9h and 6min.On the first day of the month, sunrise is at 7:57 am and sunset at 4:38 pm. On the last day of January, in Rosburg, sunrise is at 7:38 am and sunset at 5:17 pm PST.
Sunshine
January has the least sunshine of the year, with an average of 3.7h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 2 in January interprets into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Rosburg in January?
What are the most humid months in Rosburg?
What is the average humidity in January in Rosburg?
How much does it rain in Rosburg in January?
What is the snowiest month in Rosburg?
How many days does it snow in January in Rosburg?
What is the average length of the day in January in Rosburg?
What time are sunrise and sunset in January in Rosburg?
What is the month with the least sunshine in Rosburg?
How long on average sun shines in January in Rosburg?
When is the lowest UV index in Rosburg?
How high is the UV index in January in Rosburg?
Average temperature in January
Rosburg, WA
- Average high temperature in January: 45.7°F
The warmest month (with the highest average high temperature) is August (68.2°F).
The month with the lowest average high temperature is December (44.6°F).
- Average low temperature in January: 38.3°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (37.6°F).
Average pressure in January
Rosburg, WA
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March and September (30.02"Hg).
Average wind speed in January
Rosburg, WA
- Average wind speed in January: 8.5mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in January
Rosburg, WA
- Average humidity in January: 85%
The months with the highest relative humidity are January, February, November and December (85%).
The months with the lowest relative humidity are May and July (81%).
Average rainfall in January
Rosburg, WA
- Average rainfall in January: 6.26"
The wettest month (with the highest rainfall) is December (6.42").
The driest months (with the least rainfall) are July and August (0.55").
Average rainfall days in January
Rosburg, WA
- Average rainfall days in January: 20 days
The month with the highest number of rainy days is December (21.9 days).
The month with the least rainy days is August (7.8 days).
Average snowfall in January
Rosburg, WA
- Average snowfall in January: 0.87"
The months with the highest snowfall are January and February (0.87").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Rosburg, WA
- Average snowfall days in January: 0.8 days
The month with the highest number of snowfall days is February (1.4 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
Rosburg, WA
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Rosburg, WA
- Average sunshine days in January: 9.8 days
The month with the most sunshine days is August (19.7 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in January
Rosburg, 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
Rosburg, WA
- Average cloud cover in January: 61
The months with the most cloud cover are January and February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in January
Rosburg, WA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).
Rosburg, Washington, USA
Weather forecast for your location
2. Allow the app to use your location