January weather forecast
Sumpter, OK

Share

Weather in January

January, like December, is a frosty winter month in Sumpter, Oklahoma, with an average temperature ranging between min 28.8°F (-1.8°C) and max 45.5°F (7.5°C).

Temperature

January is the coldest month, with the temperature often reaching an average high of 45.5°F (7.5°C) and an average low of 28.8°F (-1.8°C).

Humidity

In Sumpter, Oklahoma, the average relative humidity in January is 66%.

Rainfall

In Sumpter, in January, it is raining for 4.5 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, in Sumpter, there are 116.1 rainfall days, and 21.57" (548mm) of precipitation is accumulated.

Snowfall

January through March, October through December are months with snowfall in Sumpter. In Sumpter, Oklahoma, in January, snow falls for 2.2 days, with typically accumulated 0.43" (11mm) of snow. Throughout the year, in Sumpter, there are 7.6 snowfall days, and 2.6" (66mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 58min.
On the first day of the month, sunrise is at 7:42 am and sunset at 5:23 pm. On the last day of January, in Sumpter, Oklahoma, sunrise is at 7:32 am and sunset at 5:52 pm CST.

Sunshine

January and December, with an average of 6.2h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January and December, 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 average individuals.
Note: The maximum UV index of 2 during January translates into these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The solar radiation around mid-day is intense; avoid the Sun and stay safe. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
[Resources]

Frequently asked questions

What part of the year is the coldest in Sumpter?

With average high and low temperatures of 45.5°F (7.5°C) and 28.8°F (-1.8°C) respectively, January is Sumpter's coldest month.

What is the average January temperature in Sumpter?

The high-temperature in Sumpter, Oklahoma, during January is 45.5°F (7.5°C) and the low-temperature is 28.8°F (-1.8°C).

What is the average humidity in January in Sumpter?

In Sumpter, the average relative humidity in January is 66%.

How many days does it rain in January in Sumpter?

In Sumpter, Oklahoma, in January, it is raining for 4.5 days, with typically 0.75" (19mm) of accumulated precipitation.

How much does it snow in Sumpter in January?

In Sumpter, Oklahoma, during January, snow falls for 2.2 days and regularly aggregates up to 0.43" (11mm) of snow.

What is the average length of the day in January in Sumpter?

The average day length in January in Sumpter is 9h and 58min.

When is the sunrise / sunset in January in Sumpter?

In January, on the first day of the month, sunrise is at 7:42 am and sunset at 5:23 pm. On the last day of the month, in Sumpter, sunrise is at 7:32 am and sunset at 5:52 pm CST.

What are the months with the least sunshine in Sumpter?

January and December, with an average of 6.2h of sunshine, are months with the least sunshine in Sumpter, Oklahoma.

How many hours of sunshine does Sumpter have in January?

In Sumpter, Oklahoma, the average sunshine duration in January is 6.2h.

What is the month with the lowest UV index in Sumpter?

The months with the lowest UV index in Sumpter, Oklahoma, are January and December, with an average maximum UV index of 2.

What is the UV index intensity in January in Sumpter?

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Sumpter, OK

Average temperature in January - Sumpter, OK
  • Average high temperature in January: 45.5°F

The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is January (45.5°F).

  • Average low temperature in January: 28.8°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

[Resources]

Average pressure in January
Sumpter, OK

Average pressure in January - Sumpter, OK
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

[Resources]

Average wind speed in January
Sumpter, OK

Average wind speed in January - Sumpter, OK
  • Average wind speed in January: 10.3mph

The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

[Resources]

Average humidity in January
Sumpter, OK

Average humidity in January - Sumpter, OK
  • Average humidity in January: 66%

The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is July (61%).

[Resources]

Average rainfall in January
Sumpter, OK

Average rainfall in January - Sumpter, OK
  • Average rainfall in January: 0.75"

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (0.59").

[Resources]

Average rainfall days in January
Sumpter, OK

Average rainfall days in January - Sumpter, OK
  • Average rainfall days in January: 4.5 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (4.5 days).

[Resources]

Average snowfall in January
Sumpter, OK

Average snowfall in January - Sumpter, OK
  • Average snowfall in January: 0.43"

The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August and September (0").

[Resources]

Average snowfall days in January
Sumpter, OK

Average snowfall days in January - Sumpter, OK
  • Average snowfall days in January: 2.2 days

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
Sumpter, OK

Average daylight in January / Average sunshine in January - Sumpter, OK
  • Average daylight in January: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in January: 6h and 1min

The month with the most sunshine is August (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 6h and 12min).

[Resources]

Average sunshine days in January
Sumpter, OK

Average sunshine days in January - Sumpter, OK
  • Average sunshine days in January: 24 days

The month with the most sunshine days is January (24 days).
The month with the least sunshine days is May (13.7 days).

[Resources]

Average UV index in January
Sumpter, OK

Average UV index in January - Sumpter, OK
  • Average UV index in January: 2

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 2).

[Resources]

Average cloud cover in January
Sumpter, OK

Average cloud cover in January - Sumpter, OK
  • Average cloud cover in January: 29

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 19).

[Resources]

Average visibility in January
Sumpter, OK

Average visibility in January - Sumpter, OK
  • 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).

[Resources]

Sumpter, Oklahoma, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location