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 the coldest month, with the temperature often reaching an average high of 33.3°F (0.7°C) and an average low of 20.3°F (-6.5°C).Humidity
January and February, with an average relative humidity of 86%, are the most humid months.Rainfall
In Chalkhill, in January, it is raining for 11.8 days, with typically 2.48" (63mm) of accumulated precipitation. 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. The month with the most snowfall is January, when snow falls for 12.8 days and typically aggregates up to 5.39" (137mm) of snow.Daylight
The average length of the day in January 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
With an average of 3.1h of sunshine, January has the least sunshine of the year.UV index
In Chalkhill, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 during January translates into the following guidance:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is January?
What are the most humid months in Chalkhill?
What is the average humidity in January?
How many days does it rain in January?
What is the snowiest month?
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?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the UV index intensity 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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