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
January, having an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 21.6°F (-5.8°C), is the coldest month.Humidity
In January, the average relative humidity is 80%.Rainfall
In Oakland, in January, during 7.9 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, there are 151.5 rainfall days, and 25.71" (653mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Oakland, in January, during 8.5 snowfall days, 1.97" (50mm) of snow is typically accumulated. In Oakland, Illinois, during the entire year, snow falls for 28.3 days and aggregates up to 7.72" (196mm) of snow.Daylight
In January, the average length of the day is 9h and 45min.On the first day of the month, sunrise is at 7:12 am and sunset at 4:38 pm. On the last day of January, sunrise is at 7:00 am and sunset at 5:10 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4.1h of sunshine.UV index
The months with the lowest UV index in Oakland are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is January?
What is the average humidity in January in Oakland?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Oakland have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine in Oakland?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Oakland, IL
- Average high temperature in January: 33.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Oakland, 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 (29.93"Hg).
Average wind speed in January
Oakland, IL
- Average wind speed in January: 10.7mph
The windiest months (with the highest average wind speed) are January and February (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in January
Oakland, IL
- Average humidity in January: 80%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Oakland, IL
- Average rainfall in January: 1.73"
The wettest month (with the highest rainfall) is April (3.15").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in January
Oakland, IL
- Average rainfall days in January: 7.9 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in January
Oakland, IL
- Average snowfall in January: 1.97"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Oakland, IL
- Average snowfall days in January: 8.5 days
The month with the highest number of snowfall days is January (8.5 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
Oakland, IL
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Oakland, IL
- Average sunshine days in January: 15.3 days
The months with the most sunshine days are October and November (17.5 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in January
Oakland, 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
Oakland, IL
- Average cloud cover in January: 56
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in January
Oakland, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Oakland, Illinois, USA
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