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
Reading's temperature records reveal January as the coldest month, marked by average highs of 35.1°F (1.7°C) and lows of 22.3°F (-5.4°C).Humidity
The average relative humidity in January is 78%.Rainfall
In January, the rain falls for 7.9 days. Throughout January, 2.17" (55mm) of precipitation is accumulated. Throughout the year, there are 155.7 rainfall days, and 30.83" (783mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Reading, in January, during 6.4 snowfall days, 2.8" (71mm) of snow is typically accumulated. Throughout the year, there are 21.1 snowfall days, and 12.28" (312mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 41min.On the first day of the month, sunrise is at 7:26 am and sunset at 4:47 pm. On the last day of January, sunrise is at 7:13 am and sunset at 5:20 pm EST.
Sunshine
The average sunshine in January is 4.7h.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 threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 2 in January interprets into the following advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Boost your sun resistance with garments that are densely woven yet spacious. 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 is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Reading have in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
What are the months with the lowest UV index in Reading?
How high is the UV index in January?
Average temperature in January
Reading, PA
- Average high temperature in January: 35.1°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in January: 22.3°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in January
Reading, PA
- Average pressure in January: 30.09"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
Reading, PA
- Average wind speed in January: 8.3mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Reading, PA
- Average humidity in January: 78%
The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
Reading, PA
- Average rainfall in January: 2.17"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is February (2.05").
Average rainfall days in January
Reading, PA
- Average rainfall days in January: 7.9 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in January
Reading, PA
- Average snowfall in January: 2.8"
The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Reading, PA
- Average snowfall days in January: 6.4 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Reading, 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 36min).
Average sunshine days in January
Reading, PA
- Average sunshine days in January: 18.3 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in January
Reading, 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
Reading, PA
- Average cloud cover in January: 48
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Reading, PA
- Average visibility in January: 6mi
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
Reading, Pennsylvania, USA
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