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
As Olney steps into January, the average high-temperature holds at a still subzero cold 26.8°F (-2.9°C), hinting at a minor fluctuation from the prior month. Olney experiences an average low-temperature of 13.6°F (-10.2°C) in month of January.Humidity
With an average relative humidity of 94%, January is the most humid month in Olney.Rainfall
In Olney, in January, it is raining for 8.7 days, with typically 1.54" (39mm) of accumulated precipitation. Throughout the year, there are 136.9 rainfall days, and 16.46" (418mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Olney. The month with the most snowfall in Olney, Montana, is January, when snow falls for 21.1 days and typically aggregates up to 11.02" (280mm) of snow.Daylight
In January, the average length of the day in Olney is 8h and 50min.On the first day of the month, sunrise is at 8:30 am and sunset at 4:53 pm. On the last day of January, sunrise is at 8:08 am and sunset at 5:34 pm MST.
Sunshine
January has the least sunshine of the year, with an average of 3.4h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Olney. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 1 in January translates into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January in Olney?
What is the most humid month in Olney?
What is the average humidity in January in Olney?
How many days does it rain in January in Olney?
What is the snowiest month in Olney?
How many days does it snow in January in Olney?
What is the average length of the day in January in Olney?
When are sunrise and sunset in January in Olney?
What is the month with the least sunshine in Olney?
How long on average sun shines in January in Olney?
When is the lowest UV index in Olney?
What is the UV index intensity in January in Olney?
Average temperature in January
Olney, MT
- Average high temperature in January: 26.8°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is December (25.5°F).
- Average low temperature in January: 13.6°F
The month with the highest average low temperature is August (45°F).
The coldest month (with the lowest average low temperature) is February (12.7°F).
Average pressure in January
Olney, MT
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Olney, MT
- Average wind speed in January: 3.7mph
The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).
Average humidity in January
Olney, MT
- Average humidity in January: 94%
The month with the highest relative humidity is January (94%).
The months with the lowest relative humidity are July and August (56%).
Average rainfall in January
Olney, MT
- Average rainfall in January: 1.54"
The wettest month (with the highest rainfall) is March (1.93").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in January
Olney, MT
- Average rainfall days in January: 8.7 days
The month with the highest number of rainy days is April (16.6 days).
The month with the least rainy days is August (6.4 days).
Average snowfall in January
Olney, MT
- Average snowfall in January: 11.02"
The month with the highest snowfall is January (11.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Olney, MT
- Average snowfall days in January: 21.1 days
The month with the highest number of snowfall days is December (21.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Olney, MT
- Average daylight in January: 8h and 5min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January: 3h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in January
Olney, MT
- Average sunshine days in January: 9.1 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is March (6.3 days).
Average UV index in January
Olney, MT
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in January
Olney, MT
- Average cloud cover in January: 66
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in January
Olney, MT
- Average visibility in January: 3mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).
Olney, Montana, USA
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