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 time of the year is January, with temperatures averaging a high of 36.7°F (2.6°C) and a low of 23.4°F (-4.8°C).Humidity
January and February, with an average relative humidity of 83%, are the most humid months in Petroleum.Rainfall
In Petroleum, in January, during 12.3 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. Throughout the year, in Petroleum, there are 187.2 rainfall days, and 37.13" (943mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Petroleum. January is the month with the most snowfall. Snow falls for 15.4 days and accumulates 5.87" (149mm) of snow.Daylight
In Petroleum, the average length of the day in January is 9h and 47min.On the first day of January in Petroleum, sunrise is at 7:44 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:44 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 3.3h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 in January translates into these instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. To guard against the harmful effects of the Sun, minimize exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the coldest time of year in Petroleum?
How cold is January in Petroleum?
What are the most humid months in Petroleum?
What is the average humidity in January in Petroleum?
How many days does it rain in January in Petroleum?
When does it snow the most in Petroleum?
How many days does it snow in January in Petroleum?
What is the average length of the day in January in Petroleum?
When are sunrise and sunset in January in Petroleum?
What is the month with the least sunshine in Petroleum?
How long on average sun shines in January in Petroleum?
When is the lowest UV index in Petroleum?
What is the UV index intensity in January in Petroleum?
Average temperature in January
Petroleum, WV
- Average high temperature in January: 36.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in January: 23.4°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in January
Petroleum, WV
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in January
Petroleum, WV
- Average wind speed in January: 6.6mph
The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in January
Petroleum, WV
- Average humidity in January: 83%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).
Average rainfall in January
Petroleum, WV
- Average rainfall in January: 2.76"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in January
Petroleum, WV
- Average rainfall days in January: 12.3 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is November (12.2 days).
Average snowfall in January
Petroleum, WV
- Average snowfall in January: 5.87"
The month with the highest snowfall is January (5.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Petroleum, WV
- Average snowfall days in January: 15.4 days
The month with the highest number of snowfall days is January (15.4 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
Petroleum, 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 30min).
- Average sunshine in January: 3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in January
Petroleum, WV
- Average sunshine days in January: 8.4 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is February (8.2 days).
Average UV index in January
Petroleum, WV
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Petroleum, WV
- Average cloud cover in January: 66
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Petroleum, WV
- Average visibility in January: 4mi
The month with the highest visibility is November (6mi).
The month with the lowest visibility is January (4mi).
Petroleum, West Virginia, USA
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