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
The onset of January marks an average high-temperature of a still freezing cold 29.7°F (-1.3°C), hardly differing from December's 28.6°F (-1.9°C). In Ronan, the average low-temperature during the month of January is a still subzero cold 17.4°F (-8.1°C).Humidity
January is the most humid month, with an average relative humidity of 91%.Rainfall
In Ronan, during January, the rain falls for 11.4 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, there are 158.1 rainfall days, and 18.94" (481mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Ronan, Montana, during January, snow falls for 17.3 days and regularly aggregates up to 9.65" (245mm) of snow. Throughout the year, there are 91.8 snowfall days, and 46.3" (1176mm) of snow is accumulated.Daylight
The average length of the day in January is 8h and 58min.On the first day of January, sunrise is at 8:24 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:35 pm MST.
Sunshine
With an average of 4.6h of sunshine, January has the least sunshine of the year.UV index
In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January in Ronan?
What is the average length of the day in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the UV index reading in January?
Average temperature in January
Ronan, MT
- Average high temperature in January: 29.7°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 (28.6°F).
- Average low temperature in January: 17.4°F
The month with the highest average low temperature is August (48.6°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).
Average pressure in January
Ronan, 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
Ronan, MT
- Average wind speed in January: 4mph
The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest month (with the lowest average wind speed) is December (3.9mph).
Average humidity in January
Ronan, 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 (50%).
Average rainfall in January
Ronan, MT
- Average rainfall in January: 1.65"
The wettest month (with the highest rainfall) is June (2.44").
The driest month (with the least rainfall) is August (0.55").
Average rainfall days in January
Ronan, MT
- Average rainfall days in January: 11.4 days
The month with the highest number of rainy days is April (19.3 days).
The month with the least rainy days is August (6.6 days).
Average snowfall in January
Ronan, MT
- Average snowfall in January: 9.65"
The month with the highest snowfall is February (10.39").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Ronan, MT
- Average snowfall days in January: 17.3 days
The month with the highest number of snowfall days is February (18.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Ronan, 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 30min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in January
Ronan, MT
- Average sunshine days in January: 10.7 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in January
Ronan, 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
Ronan, MT
- Average cloud cover in January: 53
The months with the most cloud cover are January and February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in January
Ronan, 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 and December (4mi).
Ronan, Montana, USA
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