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
Temperature records mark January as the coldest month, with highs averaging 38.8°F (3.8°C) and lows at 25.7°F (-3.5°C).Humidity
In January, the average relative humidity in Dowell, Illinois, is 76%.Rainfall
January is the month with the least rainfall. Rain falls for 8.4 days and accumulates 1.5" (38mm) of precipitation.Snowfall
Months with snowfall in Dowell are January through April, November and December. In Dowell, during January, snow falls for 5.4 days and regularly aggregates up to 1.18" (30mm) of snow. Throughout the year, there are 18 snowfall days, and 4.53" (115mm) of snow is accumulated.Daylight
In January, the average length of the day in Dowell is 9h and 53min.On the first day of January, sunrise is at 7:12 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:18 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 4.6h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What are the coldest months in Dowell?
How cold is it in Dowell in January?
What is the average humidity in January in Dowell?
What is the driest month in Dowell?
How much does it rain in Dowell in January?
How much does it snow in Dowell in January?
What is the average length of the day in January in Dowell?
What time are sunrise and sunset in January in Dowell?
What is the month with the least sunshine in Dowell?
How long on average sun shines in January in Dowell?
When is the lowest UV index in Dowell?
What is the UV index intensity in January in Dowell?
Average temperature in January
Dowell, IL
- Average high temperature in January: 38.8°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in January: 25.7°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in January
Dowell, IL
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Dowell, IL
- Average wind speed in January: 9.6mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in January
Dowell, IL
- Average humidity in January: 76%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Dowell, IL
- Average rainfall in January: 1.5"
The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in January
Dowell, IL
- Average rainfall days in January: 8.4 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is December (8.2 days).
Average snowfall in January
Dowell, IL
- Average snowfall in January: 1.18"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Dowell, IL
- Average snowfall days in January: 5.4 days
The month with the highest number of snowfall days is January (5.4 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
Dowell, IL
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in January
Dowell, IL
- Average sunshine days in January: 18.1 days
The months with the most sunshine days are October and November (19.5 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in January
Dowell, IL
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Dowell, IL
- Average cloud cover in January: 50
The months with the most cloud cover are January and February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in January
Dowell, 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).
Dowell, Illinois, USA
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