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
January, marked by an average high-temperature of 35.4°F (1.9°C) and a low-temperature of 22.6°F (-5.2°C), is the coldest month.Humidity
In January, the average relative humidity is 77%.Rainfall
The month with the least rainfall is January, when the rain falls for 6 days and typically collects 1.06" (27mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall is January, when snow falls for 6.8 days and typically aggregates up to 2.4" (61mm) of snow.Daylight
In January, the average length of the day is 9h and 43min.On the first day of January, sunrise is at 7:28 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:23 pm EST.
Sunshine
In Mount Wolf, the average sunshine in January is 4.8h.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:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Experience reduced UV exposure by about half when donning a wide-brim hat. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is January in Mount Wolf?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
When does it snow the most?
How much does it snow in January?
How many hours of daylight does Mount Wolf have in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Mount Wolf, PA
- Average high temperature in January: 35.4°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in January: 22.6°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in January
Mount Wolf, 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
Mount Wolf, PA
- Average wind speed in January: 8.6mph
The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Mount Wolf, PA
- Average humidity in January: 77%
The months with the highest relative humidity are February, May and October (80%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in January
Mount Wolf, PA
- Average rainfall in January: 1.06"
The wettest months (with the highest rainfall) are July and August (2.01").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in January
Mount Wolf, PA
- Average rainfall days in January: 6 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (6 days).
Average snowfall in January
Mount Wolf, PA
- Average snowfall in January: 2.4"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Mount Wolf, PA
- Average snowfall days in January: 6.8 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Mount Wolf, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
Mount Wolf, PA
- Average sunshine days in January: 19.3 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in January
Mount Wolf, PA
- 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, November and December (UV index 2).
Average cloud cover in January
Mount Wolf, PA
- Average cloud cover in January: 48
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in January
Mount Wolf, PA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Mount Wolf, Pennsylvania, USA
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