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
During January, the average high-temperature is a still subzero cold 28°F (-2.2°C), maintaining a close resemblance to that of the preceding month. The average low-temperature during January nights is a still freezing cold 14.2°F (-9.9°C).Humidity
January is the most humid month in Ammon, with an average relative humidity of 90%.Rainfall
In Ammon, in January, during 3.7 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. Throughout the year, there are 84.3 rainfall days, and 6.97" (177mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Ammon. The month with the most snowfall is January, when snow falls for 12.8 days and typically aggregates up to 3.86" (98mm) of snow.Daylight
The average length of the day in January in Ammon is 9h and 24min.On the first day of the month, sunrise is at 8:00 am and sunset at 5:02 pm. On the last day of January, sunrise is at 7:45 am and sunset at 5:37 pm MST.
Sunshine
January has the least sunshine of the year in Ammon, with an average of 4.7h of sunshine.UV index
The months with the lowest UV index in Ammon are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January in Ammon?
What is the most humid month in Ammon?
What is the average humidity in January in Ammon?
How many days does it rain in January in Ammon?
When does it snow the most in Ammon?
How many days does it snow in January in Ammon?
What is the average length of the day in January in Ammon?
What time are sunrise and sunset in January in Ammon?
What is the month with the least sunshine in Ammon?
How long on average sun shines in January in Ammon?
When is the lowest UV index in Ammon?
What is the UV index intensity in January in Ammon?
Average temperature in January
Ammon, ID
- Average high temperature in January: 28°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in January: 14.2°F
The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in January
Ammon, ID
- Average pressure in January: 30.3"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Ammon, ID
- Average wind speed in January: 5.8mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).
Average humidity in January
Ammon, 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 (35%).
Average rainfall in January
Ammon, ID
- Average rainfall in January: 0.51"
The wettest months (with the highest rainfall) are May and September (0.83").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in January
Ammon, ID
- Average rainfall days in January: 3.7 days
The month with the highest number of rainy days is May (10.7 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in January
Ammon, ID
- Average snowfall in January: 3.86"
The month with the highest snowfall is January (3.86").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Ammon, ID
- Average snowfall days in January: 12.8 days
The month with the highest number of snowfall days is December (12.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Ammon, 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: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in January
Ammon, ID
- Average sunshine days in January: 18.4 days
The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is February (16.2 days).
Average UV index in January
Ammon, ID
- 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 January, February, March, October, November and December (UV index 2).
Average cloud cover in January
Ammon, ID
- Average cloud cover in January: 51
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in January
Ammon, ID
- Average visibility in January: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Ammon, Idaho, USA
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