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 is Witmer's coldest month, registering average high temperatures of 35.6°F (2°C) and lows of 23°F (-5°C).Humidity
In Witmer, the average relative humidity in January is 77%.Rainfall
In Witmer, in January, it is raining for 8.9 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, there are 158.5 rainfall days, and 32.01" (813mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In January, it is snowing for 7.4 days. Throughout January, 2.87" (73mm) of snow is accumulated. Throughout the year, there are 24.5 snowfall days, and 12.99" (330mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 43min.On the first day of the month, sunrise is at 7:26 am and sunset at 4:49 pm. On the last day of January, sunrise is at 7:14 am and sunset at 5:22 pm EST.
Sunshine
In Witmer, the average sunshine in January is 4.6h.UV index
January through March, November 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 low health risk from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 2 in January leads to these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Stay sun-safe with clothing that is both closely woven and worn loosely. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Witmer have in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Witmer, PA
- Average high temperature in January: 35.6°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in January: 23°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in January
Witmer, 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
Witmer, PA
- Average wind speed in January: 8.9mph
The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in January
Witmer, PA
- Average humidity in January: 77%
The months with the highest relative humidity are May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
Witmer, PA
- Average rainfall in January: 2.36"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is February (2.2").
Average rainfall days in January
Witmer, PA
- Average rainfall days in January: 8.9 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in January
Witmer, PA
- Average snowfall in January: 2.87"
The month with the highest snowfall is March (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Witmer, PA
- 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 June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Witmer, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in January
Witmer, PA
- Average sunshine days in January: 16.7 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (12 days).
Average UV index in January
Witmer, PA
- 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, March, November and December (UV index 2).
Average cloud cover in January
Witmer, PA
- Average cloud cover in January: 48
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in January
Witmer, 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).
Witmer, Pennsylvania, USA
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