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
Ravalli, Montana, experiences an average high-temperature of a still freezing cold 29.8°F (-1.2°C) in January, marking an insignificant shift from 28.4°F (-2°C) in December. Nightly temperatures in Ravalli drop to an average low of 18°F (-7.8°C) in January.Humidity
January is the most humid month in Ravalli, with an average relative humidity of 91%.Rainfall
In Ravalli, in January, during 9.1 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. Throughout the year, there are 129.9 rainfall days, and 13.5" (343mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Ravalli, in January, during 13.9 snowfall days, 5.91" (150mm) of snow is typically accumulated. In Ravalli, during the entire year, snow falls for 67.1 days and aggregates up to 28.27" (718mm) of snow.Daylight
In Ravalli, Montana, the average length of the day in January is 9h and 0min.On the first day of the month, sunrise is at 8:23 am and sunset at 4:56 pm. On the last day of January, sunrise is at 8:03 am and sunset at 5:36 pm MST.
Sunshine
With an average of 4.7h of sunshine, January has the least sunshine of the year.UV index
In Ravalli, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In January, the maximum UV index of 2 translates into these guidelines:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January in Ravalli?
What is the most humid month in Ravalli?
What is the average humidity in January in Ravalli?
How much does it rain in Ravalli in January?
How many days does it snow in January in Ravalli?
What is the average length of the day in January in Ravalli?
When are sunrise and sunset in January in Ravalli?
What is the month with the least sunshine in Ravalli?
How many hours of sunshine does Ravalli have in January?
What is the UV index reading in January in Ravalli?
Average temperature in January
Ravalli, MT
- Average high temperature in January: 29.8°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (28.4°F).
- Average low temperature in January: 18°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).
Average pressure in January
Ravalli, MT
- Average pressure in January: 30.18"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Ravalli, MT
- Average wind speed in January: 3.9mph
The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest months (with the lowest average wind speed) are January, August and December (3.9mph).
Average humidity in January
Ravalli, MT
- Average humidity in January: 91%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (49%).
Average rainfall in January
Ravalli, MT
- Average rainfall in January: 1.06"
The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are July and August (0.63").
Average rainfall days in January
Ravalli, MT
- Average rainfall days in January: 9.1 days
The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is August (7.4 days).
Average snowfall in January
Ravalli, MT
- Average snowfall in January: 5.91"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Ravalli, MT
- Average snowfall days in January: 13.9 days
The month with the highest number of snowfall days is December (14.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Ravalli, MT
- 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 36min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in January
Ravalli, MT
- Average sunshine days in January: 13.7 days
The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is February (11 days).
Average UV index in January
Ravalli, MT
- 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 February and December (UV index 1).
Average cloud cover in January
Ravalli, MT
- Average cloud cover in January: 51
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in January
Ravalli, MT
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Ravalli, Montana, USA
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