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
Castle Rock, Minnesota, notes the coldest temperatures in January, with a high average of 20.8°F (-6.2°C) and a low of 7.7°F (-13.5°C).Humidity
January is the most humid month, with an average relative humidity of 91%.Rainfall
January is the month with the least rainfall in Castle Rock, Minnesota. Rain falls for 3.1 days and accumulates 0.75" (19mm) of precipitation.Snowfall
Months with snowfall in Castle Rock are January through May, October through December. In Castle Rock, in January, during 13.8 snowfall days, 3.82" (97mm) of snow is typically accumulated. In Castle Rock, Minnesota, during the entire year, snow falls for 55.6 days and aggregates up to 22.36" (568mm) of snow.Daylight
In January, the average length of the day is 9h and 17min.On the first day of January, sunrise is at 7:49 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:19 pm CST.
Sunshine
The month with the least sunshine in Castle Rock is January, with an average of 3h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: During January, 1 as the daily maximum UV index converts into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What time of the year is the coldest in Castle Rock?
How cold is it in Castle Rock in January?
What is the most humid month in Castle Rock?
What is the average humidity in January in Castle Rock?
What is the driest month in Castle Rock?
How many days does it rain in January in Castle Rock?
How many days does it snow in January in Castle Rock?
What is the average length of the day in January in Castle Rock?
When is the sunrise / sunset in January in Castle Rock?
What is the month with the least sunshine in Castle Rock?
How many hours of sunshine does Castle Rock have in January?
What is the month with the lowest UV index in Castle Rock?
What is the UV index reading in January in Castle Rock?
Average temperature in January
Castle Rock, MN
- Average high temperature in January: 20.8°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in January: 7.7°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).
Average pressure in January
Castle Rock, MN
- Average pressure in January: 30.14"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Castle Rock, MN
- Average wind speed in January: 8.6mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in January
Castle Rock, MN
- Average humidity in January: 91%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and October (73%).
Average rainfall in January
Castle Rock, MN
- Average rainfall in January: 0.75"
The wettest month (with the highest rainfall) is June (4.21").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in January
Castle Rock, MN
- Average rainfall days in January: 3.1 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in January
Castle Rock, MN
- Average snowfall in January: 3.82"
The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Castle Rock, MN
- Average snowfall days in January: 13.8 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Castle Rock, MN
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 3h
The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 3h).
Average sunshine days in January
Castle Rock, MN
- Average sunshine days in January: 16.2 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in January
Castle Rock, MN
- 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
Castle Rock, MN
- Average cloud cover in January: 68
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in January
Castle Rock, MN
- 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 and February (4mi).
Castle Rock, Minnesota, USA
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