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
On the advent of January, Sphinx's average high-temperature exhibits a minor adjustment to a still freezing cold 25°F (-3.9°C) from December's 22.5°F (-5.3°C). Throughout the month of January, Sphinx reports a steady low-temperature average of 9.9°F (-12.3°C).Humidity
January and February, with an average relative humidity of 90%, are the most humid months.Rainfall
In January, the rain falls for 4.8 days. Throughout January, 1.54" (39mm) of precipitation is accumulated. In Sphinx, during the entire year, the rain falls for 116.1 days and collects up to 23.5" (597mm) of precipitation.Snowfall
Months with snowfall are January through December. In Sphinx, in January, during 18.9 snowfall days, 12.72" (323mm) of snow is typically accumulated. Throughout the year, there are 151.6 snowfall days, and 124.06" (3151mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 13min.On the first day of the month, sunrise is at 8:02 am and sunset at 4:51 pm. On the last day of January, sunrise is at 7:44 am and sunset at 5:28 pm MST.
Sunshine
With an average of 4.7h of sunshine, January has the least sunshine of the year.UV index
January and February, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 1 during January translates into the following directions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January?
What are the most humid months?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Sphinx have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Sphinx, MT
- Average high temperature in January: 25°F
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is December (22.5°F).
- Average low temperature in January: 9.9°F
The month with the highest average low temperature is August (45.1°F).
The coldest month (with the lowest average low temperature) is December (7.9°F).
Average pressure in January
Sphinx, MT
- Average pressure in January: 30.22"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Sphinx, MT
- Average wind speed in January: 7.1mph
The windiest month (with the highest average wind speed) is January (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Sphinx, MT
- Average humidity in January: 90%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is August (51%).
Average rainfall in January
Sphinx, MT
- Average rainfall in January: 1.54"
The wettest months (with the highest rainfall) are April and May (2.91").
The driest month (with the least rainfall) is July (1.18").
Average rainfall days in January
Sphinx, MT
- Average rainfall days in January: 4.8 days
The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in January
Sphinx, MT
- Average snowfall in January: 12.72"
The month with the highest snowfall is April (19.88").
The month with the least snowfall is August (0.08").
Average snowfall days in January
Sphinx, MT
- Average snowfall days in January: 18.9 days
The month with the highest number of snowfall days is March (21 days).
The month with the least snowfall days is August (0.3 days).
Average daylight in January /
Average sunshine in January
Sphinx, MT
- Average daylight in January: 9h and 1min
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: 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 42min).
Average sunshine days in January
Sphinx, MT
- Average sunshine days in January: 12.3 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is May (5.7 days).
Average UV index in January
Sphinx, MT
- Average UV index in January: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in January
Sphinx, MT
- Average cloud cover in January: 55
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 17).
Average visibility in January
Sphinx, MT
- Average visibility in January: 4mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
Sphinx, Montana, USA
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