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
The coldest temperatures occur during January, when averages reach a peak of 53.8°F (12.1°C) and a low of 37.6°F (3.1°C).Humidity
With an average relative humidity of 74%, January is the least humid month.Rainfall
The month with the least rainfall is January, when the rain falls for 9.1 days and typically collects 0.91" (23mm) of precipitation.Snowfall
Months with snowfall are January and February. The months with the most snowfall are January and February, with an average 0.12" (3mm) of accumulated snow.Daylight
In Gresham, the average length of the day in January is 10h and 12min.On the first day of January, sunrise is at 7:22 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:46 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.6h of sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In January, the maximum UV index of 3 suggests this advice:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Boost your sun resistance with garments that are densely woven yet spacious. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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 is the least humid month?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
What is the snowiest month?
When does it start snowing?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Gresham have in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Gresham, SC
- Average high temperature in January: 53.8°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (53.8°F).
- Average low temperature in January: 37.6°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).
Average pressure in January
Gresham, SC
- 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 (29.97"Hg).
Average wind speed in January
Gresham, SC
- Average wind speed in January: 6.5mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in January
Gresham, SC
- Average humidity in January: 74%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is January (74%).
Average rainfall in January
Gresham, SC
- Average rainfall in January: 0.91"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in January
Gresham, SC
- Average rainfall days in January: 9.1 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (7.7 days).
Average snowfall in January
Gresham, SC
- Average snowfall in January: 0.12"
The months with the highest snowfall are January and February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Gresham, SC
- Average snowfall days in January: 0.3 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in January /
Average sunshine in January
Gresham, 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 months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in January
Gresham, SC
- Average sunshine days in January: 19.8 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in January
Gresham, SC
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in January
Gresham, SC
- Average cloud cover in January: 38
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in January
Gresham, SC
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Gresham, South Carolina, USA
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