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 beginning of January records an average high-temperature of a still subzero cold 27.9°F (-2.3°C), marking a negligible difference from December's 27.1°F (-2.7°C). During January, Roberts observes a consistent average nighttime temperature of 13.8°F (-10.1°C).Humidity
The most humid month is January, with an average relative humidity of 90%.Rainfall
In January, the rain falls for 7.8 days. Throughout January, 1.06" (27mm) of precipitation is accumulated. Throughout the year, in Roberts, there are 112.3 rainfall days, and 10.94" (278mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Roberts. The month with the most snowfall is January, when snow falls for 17.3 days and typically aggregates up to 8.31" (211mm) of snow.Daylight
The average length of the day in January is 9h and 22min.On the first day of January, sunrise is at 8:02 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:37 pm MST.
Sunshine
The month with the least sunshine is January, with an average of 4.7h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: A daily maximum UV index of 1 in January translates into the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in January?
What is the most humid month?
What is the average humidity in January in Roberts?
How many days does it rain in January?
What is the snowiest month?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Roberts have in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Roberts, ID
- Average high temperature in January: 27.9°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is December (27.1°F).
- Average low temperature in January: 13.8°F
The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in January
Roberts, ID
- Average pressure in January: 30.29"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Roberts, ID
- Average wind speed in January: 4.9mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).
Average humidity in January
Roberts, ID
- Average humidity in January: 90%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (37%).
Average rainfall in January
Roberts, ID
- Average rainfall in January: 1.06"
The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in January
Roberts, ID
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is April (14.2 days).
The month with the least rainy days is July (5.8 days).
Average snowfall in January
Roberts, ID
- Average snowfall in January: 8.31"
The month with the highest snowfall is January (8.31").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Roberts, ID
- Average snowfall days in January: 17.3 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Roberts, ID
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in January
Roberts, ID
- Average sunshine days in January: 13.4 days
The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in January
Roberts, ID
- 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 and December (UV index 1).
Average cloud cover in January
Roberts, ID
- Average cloud cover in January: 51
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in January
Roberts, ID
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Roberts, Idaho, USA
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