January weather forecast
Summersville, KY

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Weather in January

January, like December, in Summersville, Kentucky, is a wintry winter month, with an average temperature varying between 41°F (5°C) and 27.5°F (-2.5°C).

Temperature

January is the coldest month, exhibiting average temperatures of 41°F (5°C) at the peak and 27.5°F (-2.5°C) at the base.

Humidity

In Summersville, the average relative humidity in January is 78%.

Rainfall

In Summersville, in January, during 11.3 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Summersville, during the entire year, the rain falls for 172.3 days and collects up to 36.93" (938mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Summersville, during January, snow falls for 7.4 days and regularly aggregates up to 1.73" (44mm) of snow. Throughout the year, there are 25.1 snowfall days, and 7.6" (193mm) of snow is accumulated.

Daylight

In Summersville, the average length of the day in January is 9h and 56min.
On the first day of January, sunrise is at 6:56 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 5:04 pm CST.

Sunshine

The average sunshine in January is 4.3h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In January, the maximum UV index of 2 suggests this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.

Frequently asked questions

What month is the coldest in Summersville?

Summersville's January weather, with an average high temperature of 41°F (5°C) and an average low temperature of 27.5°F (-2.5°C), tends to be the coldest of the year.

How cold does it get in Summersville in January?

In January, in Summersville, the average high-temperature is 41°F (5°C), and the average low-temperature is 27.5°F (-2.5°C).

What is the average humidity in January?

The average relative humidity in January is 78%.

How many days does it rain in January?

In January, in Summersville, the rain falls for 11.3 days. Throughout January, 2.6" (66mm) of precipitation is accumulated.

How many days does it snow in January?

In January, it is snowing for 7.4 days. Throughout January, 1.73" (44mm) of snow is accumulated.

How many hours of daylight does Summersville have in January?

The average day length in January is 9h and 56min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 6:56 am and sunset at 4:35 pm. On the last day of the month, in Summersville, sunrise is at 6:46 am and sunset at 5:04 pm CST.

How many hours of sunshine does Summersville have in January?

The average sunshine duration in January is 4.3h.

When is the lowest UV index?

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

How high is the UV index in January?

In Summersville, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Average high temperature
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
Summersville, KY

Average temperature in January - Summersville, KY
  • Average high temperature in January: 41°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in January: 27.5°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

Average pressure in January
Summersville, KY

Average pressure in January - Summersville, KY
  • 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 (29.96"Hg).

Average wind speed in January
Summersville, KY

Average wind speed in January - Summersville, KY
  • Average wind speed in January: 8.3mph

The windiest months (with the highest average wind speed) are January and February (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in January
Summersville, KY

Average humidity in January - Summersville, KY
  • Average humidity in January: 78%

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (75%).

Average rainfall in January
Summersville, KY

Average rainfall in January - Summersville, KY
  • Average rainfall in January: 2.6"

The wettest month (with the highest rainfall) is July (3.82").
The driest month (with the least rainfall) is September (2.32").

Average rainfall days in January
Summersville, KY

Average rainfall days in January - Summersville, KY
  • Average rainfall days in January: 11.3 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (10.5 days).

Average snowfall in January
Summersville, KY

Average snowfall in January - Summersville, KY
  • Average snowfall in January: 1.73"

The month with the highest snowfall is February (2.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Summersville, KY

Average snowfall days in January - Summersville, KY
  • Average snowfall days in January: 7.4 days

The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Summersville, KY

Average daylight in January / Average sunshine in January - Summersville, KY
  • Average daylight in January: 9h and 5min

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 36min).

  • Average sunshine in January: 4h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in January
Summersville, KY

Average sunshine days in January - Summersville, KY
  • Average sunshine days in January: 13.1 days

The month with the most sunshine days is October (17 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in January
Summersville, KY

Average UV index in January - Summersville, KY
  • Average UV index in January: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in January
Summersville, KY

Average cloud cover in January - Summersville, KY
  • Average cloud cover in January: 56

The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in January
Summersville, KY

Average visibility in January - Summersville, KY
  • Average visibility in January: 5mi

The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).

Summersville, Kentucky, USA

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