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 Marissa, the lowest average temperatures are observed in January, with a high of 38.3°F (3.5°C) and a low of 25.2°F (-3.8°C).Humidity
In Marissa, the average relative humidity in January is 76%.Rainfall
In Marissa, Illinois, in January, during 6.5 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. Throughout the year, in Marissa, there are 129.6 rainfall days, and 19.09" (485mm) of precipitation is accumulated.Snowfall
Months with snowfall in Marissa, Illinois, are January through March, September through December. The month with the most snowfall in Marissa is January, when snow falls for 5.6 days and typically aggregates up to 1.06" (27mm) of snow.Daylight
In January, the average length of the day is 9h and 52min.On the first day of the month, sunrise is at 7:15 am and sunset at 4:49 pm. On the last day of January, in Marissa, Illinois, sunrise is at 7:04 am and sunset at 5:19 pm CST.
Sunshine
With an average of 4.7h of sunshine, January has the least sunshine of the year in Marissa, Illinois.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 reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: An average UV index of 2 in January transforms into this advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What is the coldest time of year in Marissa?
Is January cold in Marissa?
What is the average humidity in January in Marissa?
How many days does it rain in January in Marissa?
What is the snowiest month in Marissa?
How much does it snow in Marissa in January?
How many hours of daylight does Marissa have in January?
When are sunrise and sunset in January in Marissa?
What is the month with the least sunshine in Marissa?
How long on average sun shines in January in Marissa?
What is the month with the lowest UV index in Marissa?
How high is the UV index in January in Marissa?
Average temperature in January
Marissa, IL
- Average high temperature in January: 38.3°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in January: 25.2°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in January
Marissa, 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
Marissa, IL
- Average wind speed in January: 9.4mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in January
Marissa, 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
Marissa, IL
- Average rainfall in January: 1.18"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in January
Marissa, IL
- Average rainfall days in January: 6.5 days
The month with the highest number of rainy days is July (15.1 days).
The months with the least rainy days are January and December (6.5 days).
Average snowfall in January
Marissa, IL
- Average snowfall in January: 1.06"
The month with the highest snowfall is January (1.06").
The months with the least snowfall are April, May, June, July and August (0").
Average snowfall days in January
Marissa, IL
- Average snowfall days in January: 5.6 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Marissa, 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 June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in January
Marissa, IL
- Average sunshine days in January: 20.8 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is July (13.7 days).
Average UV index in January
Marissa, IL
- Average UV index in January: 2
The months with the highest UV index are May, 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
Marissa, IL
- Average cloud cover in January: 49
The months with the most cloud cover are January and February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility in January
Marissa, 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).
Marissa, Illinois, USA
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