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
A minor adjustment in Ashton's average high-temperature is noted with the start of January, touching a still freezing cold 26.2°F (-3.2°C) from December's 25°F (-3.9°C). During January nights, Ashton records an average temperature of 10.8°F (-11.8°C).Humidity
The months with the highest humidity in Ashton are January and February, with an average relative humidity of 92%.Rainfall
January is the month with the most rainfall. Rain falls for 4.5 days and accumulates 2.44" (62mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. The month with the most snowfall is January, when snow falls for 20.9 days and typically aggregates up to 20" (508mm) of snow.Daylight
In January, the average length of the day in Ashton is 9h and 20min.On the first day of the month, sunrise is at 8:00 am and sunset at 4:57 pm. On the last day of January, in Ashton, sunrise is at 7:44 am and sunset at 5:33 pm MST.
Sunshine
With an average of 4.2h of sunshine, January has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 1 in January suggests the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take note! UV radiation from the Sun can double in intensity due to 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?
What is the rainiest month?
How many days does it rain in January?
When does it snow the most?
How many days does it snow in January in Ashton?
How many hours of daylight does Ashton have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the month with the lowest UV index in Ashton?
How high is the UV index in January?
Average temperature in January
Ashton, ID
- Average high temperature in January: 26.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (25°F).
- Average low temperature in January: 10.8°F
The month with the highest average low temperature is July (50°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in January
Ashton, ID
- Average pressure in January: 30.27"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Ashton, ID
- Average wind speed in January: 4.4mph
The windiest month (with the highest average wind speed) is June (6.6mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity in January
Ashton, ID
- Average humidity in January: 92%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (42%).
Average rainfall in January
Ashton, ID
- Average rainfall in January: 2.44"
The wettest month (with the highest rainfall) is January (2.44").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days in January
Ashton, ID
- Average rainfall days in January: 4.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in January
Ashton, ID
- Average snowfall in January: 20"
The month with the highest snowfall is January (20").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Ashton, ID
- Average snowfall days in January: 20.9 days
The month with the highest number of snowfall days is December (21.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Ashton, 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: 8h and 54min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in January
Ashton, ID
- Average sunshine days in January: 10.8 days
The month with the most sunshine days is July (19.9 days).
The month with the least sunshine days is April (6.7 days).
Average UV index in January
Ashton, 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, February, November and December (UV index 1).
Average cloud cover in January
Ashton, ID
- Average cloud cover in January: 58
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in January
Ashton, ID
- Average visibility in January: 3mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
Ashton, Idaho, USA
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