January weather forecast
Chester Springs, PA

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Weather in January

January, like December, in Chester Springs, Pennsylvania, is another cold winter month, with an average temperature varying between 36°F (2.2°C) and 23.9°F (-4.5°C).

Temperature

January, recording an average high temperature of 36°F (2.2°C) and a low temperature of 23.9°F (-4.5°C), is Chester Springs's coldest month.

Humidity

In January, the average relative humidity in Chester Springs, Pennsylvania, is 76%.

Rainfall

In Chester Springs, during January, the rain falls for 6.9 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, there are 132.3 rainfall days, and 13.98" (355mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. The months with the most snowfall are January and February, with an average 0.59" (15mm) of accumulated snow.

Daylight

In January, the average length of the day is 9h and 43min.
On the first day of January, sunrise is at 7:24 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:19 pm EST.

Sunshine

In Chester Springs, the average sunshine in January 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 low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In January, an average UV index of 2 transforms into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Experience reduced UV exposure by about half when donning a wide-brim hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

January, noted for its average high-temperature of 36°F (2.2°C) and an average low-temperature of 23.9°F (-4.5°C), is considered the coldest month.

How cold is it in January?

In January, the average high-temperature and low-temperature are 36°F (2.2°C) and 23.9°F (-4.5°C) respectively.

What is the average humidity in January?

The average relative humidity in January is 76%.

How much does it rain in January?

In Chester Springs, in January, during 6.9 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

When does it snow the most in Chester Springs?

The months with the most snowfall are January and February, with an average 0.59" (15mm) of accumulated snow.

How much does it snow in January?

In Chester Springs, in January, snow falls for 4.8 days, with typically accumulated 0.59" (15mm) of snow.

What is the average length of the day in January?

In Chester Springs, the average day length in January is 9h and 43min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:24 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:19 pm EST.

How many hours of sunshine does Chester Springs have in January?

The average sunshine duration in January is 4.8h.

When is the lowest UV index?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

How high is the UV index in January?

In Chester Springs, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Chester Springs, PA

Average temperature in January - Chester Springs, PA
  • Average high temperature in January: 36°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in January: 23.9°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure in January
Chester Springs, PA

Average pressure in January - Chester Springs, 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
Chester Springs, PA

Average wind speed in January - Chester Springs, PA
  • Average wind speed in January: 8.1mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in January
Chester Springs, PA

Average humidity in January - Chester Springs, PA
  • Average humidity in January: 76%

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are April and July (74%).

Average rainfall in January
Chester Springs, PA

Average rainfall in January - Chester Springs, PA
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is August (1.77").
The driest month (with the least rainfall) is February (0.75").

Average rainfall days in January
Chester Springs, PA

Average rainfall days in January - Chester Springs, PA
  • Average rainfall days in January: 6.9 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (6.9 days).

Average snowfall in January
Chester Springs, PA

Average snowfall in January - Chester Springs, PA
  • Average snowfall in January: 0.59"

The months with the highest snowfall are January and February (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Chester Springs, PA

Average snowfall days in January - Chester Springs, PA
  • Average snowfall days in January: 4.8 days

The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Chester Springs, PA

Average daylight in January / Average sunshine in January - Chester Springs, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in January
Chester Springs, PA

Average sunshine days in January - Chester Springs, PA
  • Average sunshine days in January: 20.7 days

The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is June (12.8 days).

Average UV index in January
Chester Springs, PA

Average UV index in January - Chester Springs, 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
Chester Springs, PA

Average cloud cover in January - Chester Springs, 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
Chester Springs, PA

Average visibility in January - Chester Springs, 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).

Chester Springs, Pennsylvania, USA

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