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, with average temperatures reaching a high of 34.2°F (1.2°C) and a low of 21.4°F (-5.9°C), is the coldest month.Humidity
In January, the average relative humidity is 81%.Rainfall
In Rocklane, in January, during 8.8 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, there are 161.8 rainfall days, and 30.55" (776mm) of precipitation is accumulated.Snowfall
Months with snowfall in Rocklane are January through April, October through December. The month with the most snowfall in Rocklane is January, when snow falls for 10.4 days and typically aggregates up to 2.64" (67mm) of snow.Daylight
In January, the average length of the day in Rocklane is 9h and 45min.On the first day of January, sunrise is at 8:04 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:52 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, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Enhance your sun protection with tightly woven, yet airy clothing. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Rocklane?
How cold is January in Rocklane?
What is the average humidity in January in Rocklane?
How many days does it rain in January in Rocklane?
What is the snowiest month in Rocklane?
How much does it snow in Rocklane in January?
How many hours of daylight does Rocklane have in January?
When is the sunrise / sunset in January in Rocklane?
What is the month with the least sunshine in Rocklane?
How long on average sun shines in January in Rocklane?
When is the lowest UV index in Rocklane?
How high is the UV index in January in Rocklane?
Average temperature in January
Rocklane, IN
- Average high temperature in January: 34.2°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in January: 21.4°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 (21.4°F).
Average pressure in January
Rocklane, 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
Rocklane, IN
- Average wind speed in January: 9.6mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in January
Rocklane, IN
- Average humidity in January: 81%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in January
Rocklane, IN
- Average rainfall in January: 2.2"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is February (1.81").
Average rainfall days in January
Rocklane, IN
- Average rainfall days in January: 8.8 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in January
Rocklane, IN
- Average snowfall in January: 2.64"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Rocklane, IN
- Average snowfall days in January: 10.4 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Rocklane, IN
- 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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Rocklane, IN
- Average sunshine days in January: 13.2 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in January
Rocklane, IN
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in January
Rocklane, IN
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Rocklane, IN
- 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).
Rocklane, Indiana, USA
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