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
The coldest temperatures occur during January, when averages reach a peak of 25.3°F (-3.7°C) and a low of 13.3°F (-10.4°C).Humidity
With an average relative humidity of 87%, January is the most humid month in Harvard.Rainfall
In Harvard, Illinois, in January, during 4.9 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 152.8 rainfall days, and 26.46" (672mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Harvard. The month with the most snowfall in Harvard is January, when snow falls for 14.3 days and typically aggregates up to 4.41" (112mm) of snow.Daylight
In January, the average length of the day in Harvard is 9h and 30min.On the first day of January in Harvard, sunrise is at 7:23 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:06 pm CST.
Sunshine
January has the least sunshine of the year in Harvard, with an average of 3.5h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Harvard. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 1 during January leads to these instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What part of the year is the coldest in Harvard?
How cold is it in Harvard in January?
What is the most humid month in Harvard?
What is the average humidity in January in Harvard?
How much does it rain in Harvard in January?
What is the snowiest month in Harvard?
How many days does it snow in January in Harvard?
What is the average length of the day in January in Harvard?
When are sunrise and sunset in January in Harvard?
What is the month with the least sunshine in Harvard?
How long on average sun shines in January in Harvard?
When is the lowest UV index in Harvard?
What is the UV index reading in January in Harvard?
Average temperature in January
Harvard, IL
- Average high temperature in January: 25.3°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in January: 13.3°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in January
Harvard, IL
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Harvard, IL
- Average wind speed in January: 9.7mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in January
Harvard, IL
- Average humidity in January: 87%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in January
Harvard, IL
- Average rainfall in January: 1.38"
The wettest month (with the highest rainfall) is June (3.58").
The driest month (with the least rainfall) is December (1.3").
Average rainfall days in January
Harvard, IL
- Average rainfall days in January: 4.9 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in January
Harvard, IL
- Average snowfall in January: 4.41"
The month with the highest snowfall is January (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Harvard, IL
- Average snowfall days in January: 14.3 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Harvard, IL
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Harvard, IL
- Average sunshine days in January: 13.4 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in January
Harvard, IL
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Harvard, IL
- Average cloud cover in January: 64
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is September (Cloud cover 35).
Average visibility in January
Harvard, IL
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
Harvard, Illinois, USA
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