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
Castleton witnesses the coldest weather in January, with temperatures averaging a high of 32.5°F (0.3°C) and a low of 20.7°F (-6.3°C).Humidity
The months with the highest humidity in Castleton are January and December, with an average relative humidity of 83%.Rainfall
In January, the rain falls for 6 days. Throughout January, 1.3" (33mm) of precipitation is accumulated. Throughout the year, in Castleton, Indiana, there are 141 rainfall days, and 20.98" (533mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Castleton, Indiana. In January, it is snowing for 8.5 days. Throughout January, 1.81" (46mm) of snow is accumulated. In Castleton, Indiana, during the entire year, snow falls for 29.1 days and aggregates up to 7.99" (203mm) of snow.Daylight
The average length of the day in January is 9h and 43min.On the first day of January, sunrise is at 8:05 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 6:01 pm EST.
Sunshine
With an average of 3.9h of sunshine, January has the least sunshine of the year in Castleton, Indiana.UV index
In Castleton, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during January leads to these advisories:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What time of the year is the coldest in Castleton?
How cold is January in Castleton?
What is the most humid month in Castleton?
What is the average humidity in January in Castleton?
How many days does it rain in January in Castleton?
How many days does it snow in January in Castleton?
How many hours of daylight does Castleton have in January?
What time are sunrise and sunset in January in Castleton?
What is the month with the least sunshine in Castleton?
How long on average sun shines in January in Castleton?
How high is the UV index in January in Castleton?
Average temperature in January
Castleton, IN
- Average high temperature in January: 32.5°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in January: 20.7°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in January
Castleton, IN
- Average pressure in January: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Castleton, IN
- Average wind speed in January: 10mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in January
Castleton, IN
- Average humidity in January: 83%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Castleton, IN
- Average rainfall in January: 1.3"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in January
Castleton, IN
- Average rainfall days in January: 6 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (6 days).
Average snowfall in January
Castleton, IN
- Average snowfall in January: 1.81"
The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Castleton, IN
- Average snowfall days in January: 8.5 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Castleton, IN
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 3h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Castleton, IN
- Average sunshine days in January: 17.1 days
The months with the most sunshine days are October and November (18.7 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in January
Castleton, IN
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Castleton, IN
- Average cloud cover in January: 61
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Castleton, IN
- 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).
Castleton, Indiana, USA
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