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 records mark January as the coldest month, with highs averaging 52.3°F (11.3°C) and lows at 37°F (2.8°C).Humidity
The months with the lowest humidity are January and November, with an average relative humidity of 72%.Rainfall
The month with the least rainfall is January, when the rain falls for 10.8 days and typically collects 1.65" (42mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Effingham, during January, snow falls for 0.8 days and regularly aggregates up to 0.43" (11mm) of snow. In Effingham, during the entire year, snow falls for 1.9 days and aggregates up to 1.81" (46mm) of snow.Daylight
In Effingham, the average length of the day in January is 10h and 11min.On the first day of the month, sunrise is at 7:24 am and sunset at 5:20 pm. On the last day of January, sunrise is at 7:16 am and sunset at 5:47 pm EST.
Sunshine
In January, the average sunshine is 5.6h.UV index
The month with the lowest UV index is January, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 2 in January translates into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Direct Sun exposure should be minimized especially during midday when radiation is most intense. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
What is the average January temperature?
What are the least humid months?
What is the average humidity in January?
What is the driest month?
How much does it rain in Effingham in January?
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 Effingham have in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Effingham, SC
- Average high temperature in January: 52.3°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in January: 37°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (37°F).
Average pressure in January
Effingham, SC
- Average pressure in January: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in January
Effingham, SC
- Average wind speed in January: 7.3mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in January
Effingham, SC
- Average humidity in January: 72%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall in January
Effingham, SC
- Average rainfall in January: 1.65"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.65").
Average rainfall days in January
Effingham, SC
- Average rainfall days in January: 10.8 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in January
Effingham, SC
- Average snowfall in January: 0.43"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Effingham, SC
- Average snowfall days in January: 0.8 days
The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Effingham, SC
- 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in January
Effingham, SC
- Average sunshine days in January: 18 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in January
Effingham, SC
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in January
Effingham, SC
- Average cloud cover in January: 37
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 29).
Average visibility in January
Effingham, SC
- 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).
Effingham, South Carolina, USA
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