January weather forecast
Greenville, MS

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Weather in January

In Greenville, Mississippi, January offers a cooler reprieve following the warmth of December. Winter makes its presence most felt here, with temperatures from 37.6°F (3.1°C) ascending only as high as 51.4°F (10.8°C). Moisture is carried in from the cooler air, leading to frequent light showers. This is reflected in the humidity level of 76%, one of the yearly maximums for Greenville. As sunshine hours are at the yearly low, residents can expect limited visibility.

Temperature

The month of January sees the lowest average temperatures, reaching 51.4°F (10.8°C) at the peak and 37.6°F (3.1°C) at the low.

Humidity

In Greenville, the average relative humidity in January is 76%.

Rainfall

In January, the rain falls for 8.2 days. Throughout January, 1.38" (35mm) of precipitation is accumulated. Throughout the year, in Greenville, Mississippi, there are 122.3 rainfall days, and 17.64" (448mm) of precipitation is accumulated.

Snowfall

January and February are months with snowfall. January is the first month it typically snows. Throughout January, in the average 0.6 snowfall days, it receives 0.04" (1mm) of snow. In Greenville, during the entire year, snow falls for 2.1 days and aggregates up to 0.16" (4mm) of snow.

Daylight

In Greenville, the average length of the day in January is 10h and 14min.
On the first day of the month, sunrise is at 7:07 am and sunset at 5:07 pm. On the last day of January, sunrise is at 7:00 am and sunset at 5:34 pm CST.

Sunshine

In Greenville, the average sunshine in January is 5.1h.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 3 during January leads to these instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Greenville?

The coldest month is January, with an average high-temperature of 51.4°F (10.8°C) and an average low-temperature of 37.6°F (3.1°C).

What is the average January temperature?

In Greenville, in January, the average high-temperature is 51.4°F (10.8°C), and the average low-temperature is 37.6°F (3.1°C).

What is the average humidity in January?

The average relative humidity in January is 76%.

How much does it rain in January?

In Greenville, Mississippi, in January, during 8.2 rainfall days, 1.38" (35mm) of precipitation is typically accumulated.

When does it start snowing?

January is the first month it typically snows. Throughout January, in the average 0.6 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does Greenville have in January?

In January, the average day length is 10h and 14min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:07 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:34 pm CST.

How long on average sun shines in January?

In Greenville, the average sunshine duration in January is 5.1h.

When is the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 3.

What is the UV index reading in January?

In January, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Greenville, MS

Average temperature in January - Greenville, MS
  • Average high temperature in January: 51.4°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (51.4°F).

  • Average low temperature in January: 37.6°F

The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).

Average pressure in January
Greenville, MS

Average pressure in January - Greenville, MS
  • 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 (29.95"Hg).

Average wind speed in January
Greenville, MS

Average wind speed in January - Greenville, MS
  • Average wind speed in January: 9.6mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in January
Greenville, MS

Average humidity in January - Greenville, MS
  • Average humidity in January: 76%

The months with the highest relative humidity are February, March and December (78%).
The month with the lowest relative humidity is October (66%).

Average rainfall in January
Greenville, MS

Average rainfall in January - Greenville, MS
  • Average rainfall in January: 1.38"

The wettest month (with the highest rainfall) is April (1.97").
The driest month (with the least rainfall) is September (0.71").

Average rainfall days in January
Greenville, MS

Average rainfall days in January - Greenville, MS
  • Average rainfall days in January: 8.2 days

The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is October (7 days).

Average snowfall in January
Greenville, MS

Average snowfall in January - Greenville, MS
  • Average snowfall in January: 0.04"

The month with the highest snowfall is 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
Greenville, MS

Average snowfall days in January - Greenville, MS
  • Average snowfall days in January: 0.6 days

The month with the highest number of snowfall days is 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
Greenville, MS

Average daylight in January / Average sunshine in January - Greenville, MS
  • Average daylight in January: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in January
Greenville, MS

Average sunshine days in January - Greenville, MS
  • Average sunshine days in January: 20.8 days

The month with the most sunshine days is October (22.9 days).
The month with the least sunshine days is July (13.9 days).

Average UV index in January
Greenville, MS

Average UV index in January - Greenville, MS
  • 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 and December (UV index 3).

Average cloud cover in January
Greenville, MS

Average cloud cover in January - Greenville, MS
  • Average cloud cover in January: 43

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).

Average visibility in January
Greenville, MS

Average visibility in January - Greenville, MS
  • 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).

Greenville, Mississippi, USA

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