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 Colchester, the month of January is known for its lowest average temperatures, reaching a high of 31.1°F (-0.5°C) and a low of 19°F (-7.2°C).Humidity
In January, the average relative humidity is 80%.Rainfall
In Colchester, during January, the rain falls for 3.3 days and regularly aggregates up to 0.39" (10mm) of precipitation. In Colchester, during the entire year, the rain falls for 94.4 days and collects up to 7.76" (197mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Colchester. The month with the most snowfall is January, when snow falls for 6.3 days and typically aggregates up to 0.67" (17mm) of snow.Daylight
In January, the average length of the day in Colchester is 9h and 41min.On the first day of January in Colchester, Illinois, sunrise is at 7:26 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:19 pm CST.
Sunshine
With an average of 4.1h of sunshine, January has the least sunshine of the year in Colchester.UV index
January is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In January, the maximum UV index of 1 transforms into these recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
What is the coldest time of year in Colchester?
How cold is January in Colchester?
What is the average humidity in January in Colchester?
How many days does it rain in January in Colchester?
What is the snowiest month in Colchester?
How many days does it snow in January in Colchester?
How many hours of daylight does Colchester have in January?
When are sunrise and sunset in January in Colchester?
What is the month with the least sunshine in Colchester?
How long on average sun shines in January in Colchester?
What is the month with the lowest UV index in Colchester?
What is the UV index reading in January in Colchester?
Average temperature in January
Colchester, IL
- Average high temperature in January: 31.1°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in January: 19°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in January
Colchester, IL
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Colchester, IL
- Average wind speed in January: 10.5mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in January
Colchester, IL
- Average humidity in January: 80%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Colchester, IL
- Average rainfall in January: 0.39"
The wettest month (with the highest rainfall) is May (1.1").
The driest month (with the least rainfall) is December (0.35").
Average rainfall days in January
Colchester, IL
- Average rainfall days in January: 3.3 days
The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in January
Colchester, IL
- Average snowfall in January: 0.67"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Colchester, IL
- Average snowfall days in January: 6.3 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Colchester, IL
- 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 18min).
- Average sunshine in January: 4h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Colchester, IL
- Average sunshine days in January: 22.8 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is June (13.9 days).
Average UV index in January
Colchester, IL
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Colchester, IL
- Average cloud cover in January: 55
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in January
Colchester, IL
- 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).
Colchester, Illinois, USA
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