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
In the transition from December to January, Castleford reports an average high-temperature of a still wintry 35.2°F (1.8°C), indicating a close resemblance to the prior month. January generally records an average low-temperature of 24.3°F (-4.3°C).Humidity
With an average relative humidity of 78%, January is the most humid month.Rainfall
January is the month with the most rainfall. Rain falls for 7.6 days and accumulates 1.18" (30mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 8.6 days and typically aggregates up to 5" (127mm) of snow.Daylight
In January, the average length of the day is 9h and 29min.On the first day of the month, sunrise is at 8:09 am and sunset at 5:16 pm. On the last day of January, sunrise is at 7:54 am and sunset at 5:51 pm MST.
Sunshine
In January, the average sunshine is 6.1h.UV index
January, February, November and December, with an average maximum UV index of 2, 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: A maximum high UV index of 2 in January translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January?
What is the most humid month?
What is the average humidity in January?
What is the rainiest month in Castleford?
How many days does it rain in January?
When does it snow the most?
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?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index reading in January in Castleford?
Average temperature in January
Castleford, ID
- Average high temperature in January: 35.2°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is December (34.2°F).
- Average low temperature in January: 24.3°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is December (22.8°F).
Average pressure in January
Castleford, ID
- Average pressure in January: 30.28"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in January
Castleford, ID
- Average wind speed in January: 7.4mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (7.2mph).
Average humidity in January
Castleford, ID
- Average humidity in January: 78%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is July (27%).
Average rainfall in January
Castleford, ID
- Average rainfall in January: 1.18"
The wettest month (with the highest rainfall) is January (1.18").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in January
Castleford, ID
- Average rainfall days in January: 7.6 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is October (5.2 days).
Average snowfall in January
Castleford, ID
- Average snowfall in January: 5"
The month with the highest snowfall is January (5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Castleford, ID
- Average snowfall days in January: 8.6 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Castleford, ID
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 6h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in January
Castleford, ID
- Average sunshine days in January: 18.8 days
The month with the most sunshine days is October (24.5 days).
The month with the least sunshine days is February (16.1 days).
Average UV index in January
Castleford, ID
- 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, November and December (UV index 2).
Average cloud cover in January
Castleford, ID
- Average cloud cover in January: 36
The month with the most cloud cover is December (Cloud cover 39).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in January
Castleford, ID
- 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).
Castleford, Idaho, USA
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