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 readings reach their annual highs in January, averaging 33.4°F (0.8°C) and a minimum average of 20.8°F (-6.2°C).Humidity
In January, the average relative humidity is 79%.Rainfall
In Grandview, during January, the rain falls for 6.7 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Grandview, Illinois, during the entire year, the rain falls for 140.2 days and collects up to 23.27" (591mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. The month with the most snowfall is January, when snow falls for 9.5 days and typically aggregates up to 2.24" (57mm) of snow.Daylight
In Grandview, Illinois, the average length of the day in January is 9h and 44min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:44 pm. On the last day of January, sunrise is at 7:07 am and sunset at 5:16 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 4.2h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during January translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Grandview?
How cold is it in January?
What is the average humidity in January?
How many days does it rain in January?
When does it snow the most?
How many days does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What are the months with the lowest UV index in Grandview?
What is the UV index reading in January in Grandview?
Average temperature in January
Grandview, IL
- Average high temperature in January: 33.4°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in January: 20.8°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in January
Grandview, 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 (29.91"Hg).
Average wind speed in January
Grandview, IL
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in January
Grandview, IL
- Average humidity in January: 79%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Grandview, IL
- Average rainfall in January: 1.26"
The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days in January
Grandview, IL
- Average rainfall days in January: 6.7 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in January
Grandview, IL
- Average snowfall in January: 2.24"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Grandview, IL
- Average snowfall days in January: 9.5 days
The month with the highest number of snowfall days is January (9.5 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
Grandview, 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 12min).
Average sunshine days in January
Grandview, IL
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in January
Grandview, 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
Grandview, IL
- Average cloud cover in January: 55
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June and September (Cloud cover 29).
Average visibility in January
Grandview, 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).
Grandview, Illinois, USA
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