January weather forecastGarryowen, MT
January
Weather in January
January, the same as December, in Garryowen, Montana, is another subzero cold winter month, with an average temperature fluctuating between 17.8°F (-7.9°C) and 31.8°F (-0.1°C).Temperature
Garryowen starts January with an average high-temperature of a still subzero cold 31.8°F (-0.1°C), a minor shift from December's 31.3°F (-0.4°C). Garryowen experiences a nighttime temperature average of 17.8°F (-7.9°C) during January.Humidity
With an average relative humidity of 78%, January is the most humid month.Rainfall
In January, in Garryowen, the rain falls for 6.8 days. Throughout January, 0.79" (20mm) of precipitation is accumulated. In Garryowen, during the entire year, the rain falls for 103 days and collects up to 11.97" (304mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Garryowen, in January, during 11.8 snowfall days, 4.69" (119mm) of snow is typically accumulated. In Garryowen, during the entire year, snow falls for 56.7 days and aggregates up to 25.16" (639mm) of snow.Daylight
In Garryowen, the average length of the day in January is 9h and 11min.On the first day of January, sunrise is at 7:49 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:14 pm MST.
Sunshine
In Garryowen, the average sunshine in January is 5.8h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 2 in January translates into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Garryowen, MT
- Average high temperature in January: 31.8°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is December (31.3°F).
- Average low temperature in January: 17.8°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in January
Garryowen, MT
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Garryowen, MT
- Average wind speed in January: 8.6mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in January
Garryowen, MT
- Average humidity in January: 78%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (38%).
Average rainfall in January
Garryowen, MT
- Average rainfall in January: 0.79"
The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is August (0.63").
Average rainfall days in January
Garryowen, MT
- Average rainfall days in January: 6.8 days
The month with the highest number of rainy days is May (13.6 days).
The month with the least rainy days is December (5.9 days).
Average snowfall in January
Garryowen, MT
- Average snowfall in January: 4.69"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Garryowen, MT
- Average snowfall days in January: 11.8 days
The month with the highest number of snowfall days is February (12.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Garryowen, MT
- Average daylight in January: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January: 5h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in January
Garryowen, MT
- Average sunshine days in January: 16.4 days
The month with the most sunshine days is September (21.5 days).
The month with the least sunshine days is February (13.3 days).
Average UV index in January
Garryowen, MT
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Garryowen, MT
- Average cloud cover in January: 39
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in January
Garryowen, MT
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
