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
During the coldest month, January, temperatures average a high of 49.8°F (9.9°C) and a low of 33.8°F (1°C).Humidity
In January, the average relative humidity is 75%.Rainfall
In Rock Run, in January, it is raining for 10.1 days, with typically 1.89" (48mm) of accumulated precipitation. In Rock Run, during the entire year, the rain falls for 154.5 days and collects up to 25.04" (636mm) of precipitation.Snowfall
Months with snowfall are January through March and December. The month with the most snowfall is January, when snow falls for 1.3 days and typically aggregates up to 0.55" (14mm) of snow.Daylight
In Rock Run, the average length of the day in January is 10h and 11min.On the first day of January, sunrise is at 6:47 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 5:10 pm CST.
Sunshine
In January, the average sunshine is 5.2h.UV index
In Rock Run, the average daily maximum UV index in January is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 3 in January, converts into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Boost your sun resistance with garments that are densely woven yet spacious. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
What is the average January temperature?
What is the average humidity in January?
How much does it rain in January?
When does it snow the most?
How much does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
How many hours of sunshine does Rock Run have in January?
How high is the UV index in January?
Average temperature in January
Rock Run, AL
- Average high temperature in January: 49.8°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (49.8°F).
- Average low temperature in January: 33.8°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (33.8°F).
Average pressure in January
Rock Run, AL
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in January
Rock Run, AL
- Average wind speed in January: 7.1mph
The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in January
Rock Run, AL
- Average humidity in January: 75%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in January
Rock Run, AL
- Average rainfall in January: 1.89"
The wettest month (with the highest rainfall) is August (2.56").
The driest month (with the least rainfall) is October (1.38").
Average rainfall days in January
Rock Run, AL
- Average rainfall days in January: 10.1 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in January
Rock Run, AL
- Average snowfall in January: 0.55"
The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Rock Run, AL
- Average snowfall days in January: 1.3 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Rock Run, AL
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 5h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Rock Run, AL
- Average sunshine days in January: 19 days
The months with the most sunshine days are October and November (20.1 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in January
Rock Run, AL
- Average UV index in January: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in January
Rock Run, AL
- Average cloud cover in January: 44
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in January
Rock Run, AL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Rock Run, Alabama, USA
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