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
Chalkhill's January weather reaches an average high of 33.3°F (0.7°C) and an average low of 20.3°F (-6.5°C), making it the coldest month.Humidity
The months with the highest humidity are January and February, with an average relative humidity of 86%.Rainfall
In January, the rain falls for 11.8 days. Throughout January, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 189.4 rainfall days, and 32.95" (837mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. January is the month with the most snowfall. Snow falls for 12.8 days and accumulates 5.39" (137mm) of snow.Daylight
In January, the average length of the day is 9h and 44min.On the first day of January, sunrise is at 7:39 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:36 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 3.1h of sunshine.UV index
In Chalkhill, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 2 during January leads to these advisories:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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 are the most humid months?
What is the average humidity in January?
How many days does it rain in January?
When does it snow the most in Chalkhill?
How much does it snow in January?
How many hours of daylight does Chalkhill have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Chalkhill have in January?
What is the UV index reading in January?
Average temperature in January
Chalkhill, PA
- Average high temperature in January: 33.3°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in January: 20.3°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in January
Chalkhill, PA
- 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).
Average wind speed in January
Chalkhill, PA
- Average wind speed in January: 8.6mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in January
Chalkhill, PA
- Average humidity in January: 86%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are June, July and August (78%).
Average rainfall in January
Chalkhill, PA
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in January
Chalkhill, PA
- Average rainfall days in January: 11.8 days
The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in January
Chalkhill, PA
- Average snowfall in January: 5.39"
The month with the highest snowfall is January (5.39").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Chalkhill, PA
- Average snowfall days in January: 12.8 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Chalkhill, 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: 3h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in January
Chalkhill, PA
- Average sunshine days in January: 10.5 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8 days).
Average UV index in January
Chalkhill, PA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Chalkhill, PA
- Average cloud cover in January: 70
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in January
Chalkhill, PA
- Average visibility in January: 4mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is January (4mi).
Chalkhill, Pennsylvania, USA
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