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
In Mountville, the lowest average temperatures are observed in January, with a high of 35.4°F (1.9°C) and a low of 22.8°F (-5.1°C).Humidity
In January, the average relative humidity is 77%.Rainfall
In January, the rain falls for 6 days. Throughout January, 0.94" (24mm) of precipitation is accumulated. Throughout the year, there are 125.9 rainfall days, and 15.08" (383mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In January, it is snowing for 4.6 days. Throughout January, 1.3" (33mm) of snow is accumulated. Throughout the year, there are 16.4 snowfall days, and 5.04" (128mm) of snow is accumulated.Daylight
In January, the average length of the day in Mountville is 9h and 43min.On the first day of the month, sunrise is at 7:27 am and sunset at 4:50 pm. On the last day of January, sunrise is at 7:15 am and sunset at 5:22 pm EST.
Sunshine
The average sunshine in January is 4.7h.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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 2 during January translates into these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is it in January?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Mountville have in January?
When are sunrise and sunset in January?
How many hours of sunshine does Mountville have in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Mountville, PA
- Average high temperature in January: 35.4°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in January: 22.8°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in January
Mountville, PA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Mountville, PA
- Average wind speed in January: 8.8mph
The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in January
Mountville, PA
- Average humidity in January: 77%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
Mountville, PA
- Average rainfall in January: 0.94"
The wettest month (with the highest rainfall) is August (2.09").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in January
Mountville, PA
- Average rainfall days in January: 6 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in January
Mountville, PA
- Average snowfall in January: 1.3"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Mountville, PA
- Average snowfall days in January: 4.6 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Mountville, PA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in January
Mountville, PA
- Average sunshine days in January: 20.6 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in January
Mountville, PA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Mountville, PA
- Average cloud cover in January: 48
The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Mountville, PA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).
Mountville, Pennsylvania, USA
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