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
In Romeville, January records the lowest average temperatures, peaking at 60.3°F (15.7°C) and reaching a low of 45.1°F (7.3°C).Humidity
In January, the average relative humidity is 77%.Rainfall
In January, the rain falls for 10.3 days. Throughout January, 1.65" (42mm) of precipitation is accumulated. Throughout the year, there are 172.6 rainfall days, and 30.2" (767mm) of precipitation is accumulated.Snowfall
January is the only month when snow falls. The month with the most snowfall is January, when snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.Daylight
In Romeville, the average length of the day in January is 10h and 28min.On the first day of January, sunrise is at 6:59 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 5:39 pm CST.
Sunshine
The average sunshine in January is 5.5h.UV index
In Romeville, the average daily maximum UV index in January is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 4 in January, converts into the following recommendations:
Exercise prevention - Warding off sunburn is urged. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Caution! The reflection of snow can nearly 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 part of the year is the coldest?
What is the usual temperature for Romeville in January?
What is the average humidity in January?
How many days does it rain in January in Romeville?
What is the snowiest month?
When does it start to snow?
How many hours of daylight does Romeville have in January?
When are sunrise and sunset in January?
How many hours of sunshine does Romeville have in January?
What is the UV index reading in January?
Average temperature in January
Romeville, LA
- Average high temperature in January: 60.3°F
The warmest months (with the highest average high temperature) are July and August (89.8°F).
The month with the lowest average high temperature is January (60.3°F).
- Average low temperature in January: 45.1°F
The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (45.1°F).
Average pressure in January
Romeville, LA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).
Average wind speed in January
Romeville, LA
- Average wind speed in January: 7.6mph
The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in January
Romeville, LA
- Average humidity in January: 77%
The months with the highest relative humidity are February, July, August, September and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Romeville, LA
- Average rainfall in January: 1.65"
The wettest month (with the highest rainfall) is July (4.88").
The driest month (with the least rainfall) is November (1.26").
Average rainfall days in January
Romeville, LA
- Average rainfall days in January: 10.3 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8 days).
Average snowfall in January
Romeville, LA
- Average snowfall in January: 0.04"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Romeville, LA
- Average snowfall days in January: 0.1 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Romeville, LA
- Average daylight in January: 10h and 3min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in January: 5h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in January
Romeville, LA
- Average sunshine days in January: 18.8 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (6.4 days).
Average UV index in January
Romeville, LA
- Average UV index in January: 4
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Romeville, LA
- Average cloud cover in January: 39
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 25).
Average visibility in January
Romeville, LA
- 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).
Romeville, Louisiana, USA
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