January weather forecast
Sir Johns Run, WV

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Weather in January

January, like December, in Sir Johns Run, West Virginia, is a wintry winter month, with an average temperature ranging between min 22.5°F (-5.3°C) and max 36°F (2.2°C).

Temperature

January, recording an average high temperature of 36°F (2.2°C) and a low temperature of 22.5°F (-5.3°C), is Sir Johns Run's coldest month.

Humidity

In January, the average relative humidity in Sir Johns Run is 76%.

Rainfall

In Sir Johns Run, in January, during 9.8 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, in Sir Johns Run, there are 158.9 rainfall days, and 26.1" (663mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Sir Johns Run are January through April, November and December. In Sir Johns Run, in January, during 7.5 snowfall days, 3.7" (94mm) of snow is typically accumulated. Throughout the year, in Sir Johns Run, West Virginia, there are 25.1 snowfall days, and 13.31" (338mm) of snow is accumulated.

Daylight

In Sir Johns Run, the average length of the day in January is 9h and 45min.
On the first day of the month, sunrise is at 7:33 am and sunset at 4:59 pm. On the last day of January, sunrise is at 7:21 am and sunset at 5:31 pm EST.

Sunshine

The month with the least sunshine in Sir Johns Run is January, with an average of 4.8h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

What month is the coldest in Sir Johns Run?

In Sir Johns Run, West Virginia, the average lowest temperatures are observed in January, with a high of 36°F (2.2°C) and a low of 22.5°F (-5.3°C).

How cold is it in Sir Johns Run in January?

In January, in Sir Johns Run, the average high-temperature is 36°F (2.2°C), and the average low-temperature is 22.5°F (-5.3°C).

What is the average humidity in January in Sir Johns Run?

The average relative humidity in January in Sir Johns Run, West Virginia, is 76%.

How many days does it rain in January in Sir Johns Run?

In Sir Johns Run, during January, the rain falls for 9.8 days and regularly aggregates up to 1.77" (45mm) of precipitation.

How many days does it snow in January in Sir Johns Run?

In Sir Johns Run, in January, during 7.5 snowfall days, 3.7" (94mm) of snow is typically accumulated.

How many hours of daylight does Sir Johns Run have in January?

In Sir Johns Run, the average day length in January is 9h and 45min.

When are sunrise and sunset in January in Sir Johns Run?

In January, on the first day of the month, sunrise is at 7:33 am and sunset at 4:59 pm. On the last day of the month, in Sir Johns Run, sunrise is at 7:21 am and sunset at 5:31 pm EST.

What is the month with the least sunshine in Sir Johns Run?

With an average of 4.8h of sunshine, January has the least sunshine of the year in Sir Johns Run, West Virginia.

How many hours of sunshine does Sir Johns Run have in January?

In Sir Johns Run, West Virginia, the average sunshine duration in January is 4.8h.

What is the month with the lowest UV index in Sir Johns Run?

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

How high is the UV index in January in Sir Johns Run?

In Sir Johns Run, West Virginia, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
41°F 5°C
36°F 2.2°C
40.3°F 4.6°C
Average low temperature
29.1°F -1.6°C
22.5°F -5.3°C
24.6°F -4.1°C
Average pressure
30.11" 765mmHg
30.11" 765mmHg
30.07" 764mmHg
Average wind speed
6.5mph 10.5km/h
7.2mph 11.6km/h
7.2mph 11.6km/h
Average max. wind speed
7.1mph 11.4km/h
8mph 12.9km/h
7.8mph 12.6km/h
Average wind speed gusts
10.4mph 16.7km/h
11.2mph 18km/h
11.3mph 18.2km/h
Average humidity
79%
76%
79%
Average rainfall
2.05" 52mm
1.77" 45mm
1.77" 45mm
Average rainfall days
10.6
9.8
10.4
Average snowfall
1.85" 47mm
3.7" 94mm
3.9" 99mm
Average snowfall days
4.5
7.5
7
Average daylight
9h 2min
9h 5min
10h 4min
Average sunshine
5h 0min
4h 5min
5h 0min
Average sunshine days
16.6
16.2
13.7
Average UV index
2
2
2
Average cloud cover
48%
49%
48%
Average visibility
5mi 8km
5mi 8km
6mi 9.7km

Average temperature in January
Sir Johns Run, WV

Average temperature in January - Sir Johns Run, WV
  • Average high temperature in January: 36°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in January: 22.5°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in January
Sir Johns Run, WV

Average pressure in January - Sir Johns Run, WV
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in January
Sir Johns Run, WV

Average wind speed in January - Sir Johns Run, WV
  • Average wind speed in January: 7.2mph

The windiest months (with the highest average wind speed) are January and February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

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Average humidity in January
Sir Johns Run, WV

Average humidity in January - Sir Johns Run, WV
  • Average humidity in January: 76%

The months with the highest relative humidity are February, October and December (79%).
The months with the lowest relative humidity are April and July (74%).

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Average rainfall in January
Sir Johns Run, WV

Average rainfall in January - Sir Johns Run, WV
  • Average rainfall in January: 1.77"

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is November (1.69").

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Average rainfall days in January
Sir Johns Run, WV

Average rainfall days in January - Sir Johns Run, WV
  • Average rainfall days in January: 9.8 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (9.3 days).

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Average snowfall in January
Sir Johns Run, WV

Average snowfall in January - Sir Johns Run, WV
  • Average snowfall in January: 3.7"

The month with the highest snowfall is February (3.9").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Sir Johns Run, WV

Average snowfall days in January - Sir Johns Run, WV
  • Average snowfall days in January: 7.5 days

The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Sir Johns Run, WV

Average daylight in January / Average sunshine in January - Sir Johns Run, WV
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in January: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

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Average sunshine days in January
Sir Johns Run, WV

Average sunshine days in January - Sir Johns Run, WV
  • Average sunshine days in January: 16.2 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.7 days).

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Average UV index in January
Sir Johns Run, WV

Average UV index in January - Sir Johns Run, WV
  • Average UV index in January: 2

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

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Average cloud cover in January
Sir Johns Run, WV

Average cloud cover in January - Sir Johns Run, WV
  • Average cloud cover in January: 49

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in January
Sir Johns Run, WV

Average visibility in January - Sir Johns Run, WV
  • Average visibility in January: 5mi

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

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Sir Johns Run, West Virginia, USA

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