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
Pottstown's January weather reaches an average high of 35.4°F (1.9°C) and an average low of 23.2°F (-4.9°C), making it the coldest month.Humidity
In Pottstown, Pennsylvania, the average relative humidity in January is 77%.Rainfall
In Pottstown, in January, during 7.3 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Pottstown, during the entire year, the rain falls for 146.5 days and collects up to 27.87" (708mm) of precipitation.Snowfall
Months with snowfall in Pottstown are January through April, November and December. In Pottstown, during January, snow falls for 5.8 days and regularly aggregates up to 2.64" (67mm) of snow. In Pottstown, during the entire year, snow falls for 19.1 days and aggregates up to 11.54" (293mm) of snow.Daylight
The average length of the day in January in Pottstown is 9h and 41min.On the first day of January, sunrise is at 7:25 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:19 pm EST.
Sunshine
In January, the average sunshine in Pottstown is 4.8h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
What part of the year is the coldest in Pottstown?
How cold is it in Pottstown in January?
What is the average humidity in January in Pottstown?
How much does it rain in Pottstown in January?
How many days does it snow in January in Pottstown?
What is the average length of the day in January in Pottstown?
What time are sunrise and sunset in January in Pottstown?
How long on average sun shines in January in Pottstown?
What is the month with the lowest UV index in Pottstown?
How high is the UV index in January in Pottstown?
Average temperature in January
Pottstown, PA
- Average high temperature in January: 35.4°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in January: 23.2°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in January
Pottstown, PA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Pottstown, PA
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Pottstown, PA
- Average humidity in January: 77%
The months with the highest relative humidity are February and October (80%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in January
Pottstown, PA
- Average rainfall in January: 1.85"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in January
Pottstown, PA
- Average rainfall days in January: 7.3 days
The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in January
Pottstown, PA
- Average snowfall in January: 2.64"
The month with the highest snowfall is March (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Pottstown, PA
- Average snowfall days in January: 5.8 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Pottstown, 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 42min).
Average sunshine days in January
Pottstown, PA
- Average sunshine days in January: 18.7 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in January
Pottstown, 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, March, November and December (UV index 2).
Average cloud cover in January
Pottstown, PA
- Average cloud cover in January: 46
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Pottstown, 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).
Pottstown, Pennsylvania, USA
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