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 stands out as Forest Park's coldest month, with an average high-temperature of 35.2°F (1.8°C) and a low-temperature of 22.5°F (-5.3°C).Humidity
The months with the highest humidity are January, February, July and December, with an average relative humidity of 81%.Rainfall
In Forest Park, during January, the rain falls for 9.4 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Forest Park, during the entire year, the rain falls for 163.5 days and collects up to 29.29" (744mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Forest Park. In Forest Park, during January, snow falls for 9.6 days and regularly aggregates up to 1.89" (48mm) of snow. Throughout the year, there are 34.1 snowfall days, and 8.54" (217mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 47min.On the first day of the month, sunrise is at 8:03 am and sunset at 5:31 pm. On the last day of January, sunrise is at 7:51 am and sunset at 6:02 pm EST.
Sunshine
With an average of 4.1h of sunshine, January has the least sunshine of the year.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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 2 in January translates into this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is January?
What are the most humid months?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Forest Park have in January?
When is the sunrise / 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?
How high is the UV index in January in Forest Park?
Average temperature in January
Forest Park, IN
- Average high temperature in January: 35.2°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in January: 22.5°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in January
Forest Park, IN
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Forest Park, IN
- Average wind speed in January: 8.9mph
The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in January
Forest Park, IN
- Average humidity in January: 81%
The months with the highest relative humidity are January, February, July and December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Forest Park, IN
- Average rainfall in January: 2.09"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in January
Forest Park, IN
- Average rainfall days in January: 9.4 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (9.4 days).
Average snowfall in January
Forest Park, IN
- Average snowfall in January: 1.89"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Forest Park, IN
- Average snowfall days in January: 9.6 days
The month with the highest number of snowfall days is January (9.6 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
Forest Park, IN
- Average daylight in January: 9h and 5min
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 30min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Forest Park, IN
- Average sunshine days in January: 13.5 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in January
Forest Park, IN
- 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
Forest Park, IN
- Average cloud cover in January: 58
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in January
Forest Park, IN
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are July and December (5mi).
Forest Park, Indiana, USA
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