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 experiences an average high-temperature of a still subzero cold 28.8°F (-1.8°C), barely different from December's 26.8°F (-2.9°C). Corvallis's temperature lowers to a mean of 16.2°F (-8.8°C) during the nights in January.Humidity
January is the most humid month, with an average relative humidity of 89%.Rainfall
In January, the rain falls for 11.9 days. Throughout January, 2.05" (52mm) of precipitation is accumulated. In Corvallis, during the entire year, the rain falls for 163.6 days and collects up to 20.83" (529mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Corvallis. In January, in Corvallis, it is snowing for 18.6 days. Throughout January, 11.89" (302mm) of snow is accumulated. Throughout the year, in Corvallis, there are 101.1 snowfall days, and 59.17" (1503mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 6min.On the first day of January in Corvallis, Montana, sunrise is at 8:19 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:38 pm MST.
Sunshine
January and December, with an average of 5.4h of sunshine, are months with the least sunshine in Corvallis.UV index
The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: During January, 2 as the daily maximum UV index converts into the following advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
How cold is it in Corvallis in January?
What is the most humid month in Corvallis?
What is the average humidity in January in Corvallis?
How much does it rain in Corvallis in January?
How many days does it snow in January in Corvallis?
How many hours of daylight does Corvallis have in January?
What time are sunrise and sunset in January in Corvallis?
What are the months with the least sunshine in Corvallis?
How long on average sun shines in January in Corvallis?
What is the UV index reading in January in Corvallis?
Average temperature in January
Corvallis, MT
- Average high temperature in January: 28.8°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (26.8°F).
- Average low temperature in January: 16.2°F
The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (14°F).
Average pressure in January
Corvallis, MT
- Average pressure in January: 30.21"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Corvallis, MT
- Average wind speed in January: 5.3mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in January
Corvallis, MT
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (50%).
Average rainfall in January
Corvallis, MT
- Average rainfall in January: 2.05"
The wettest months (with the highest rainfall) are February and April (2.36").
The driest month (with the least rainfall) is August (0.75").
Average rainfall days in January
Corvallis, MT
- Average rainfall days in January: 11.9 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is July (8 days).
Average snowfall in January
Corvallis, MT
- Average snowfall in January: 11.89"
The month with the highest snowfall is February (13.03").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Corvallis, MT
- Average snowfall days in January: 18.6 days
The month with the highest number of snowfall days is February (19.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Corvallis, MT
- 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: 5h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in January
Corvallis, MT
- Average sunshine days in January: 10.2 days
The month with the most sunshine days is July (18.9 days).
The month with the least sunshine days is February (5.6 days).
Average UV index in January
Corvallis, MT
- 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 February and December (UV index 1).
Average cloud cover in January
Corvallis, MT
- Average cloud cover in January: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in January
Corvallis, MT
- Average visibility in January: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Corvallis, Montana, USA
Weather forecast for your location
2. Allow the app to use your location
