January weather forecastCollingdale, PA

January

Weather in January

January, the same as December, is an icy winter month in Collingdale, Pennsylvania, with an average temperature varying between 37.4°F (3°C) and 25.7°F (-3.5°C).

Temperature

January is the coldest month, exhibiting average temperatures of 37.4°F (3°C) at the peak and 25.7°F (-3.5°C) at the base.

Humidity

The average relative humidity in January is 74%.

Rainfall

The month with the least rainfall is January, when the rain falls for 6.6 days and typically collects 1.46" (37mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Collingdale, in January, during 3.3 snowfall days, 1.5" (38mm) of snow is typically accumulated. In Collingdale, during the entire year, snow falls for 11.3 days and aggregates up to 6.18" (157mm) of snow.

Daylight

The average length of the day in January is 9h and 43min.
On the first day of the month, sunrise is at 7:22 am and sunset at 4:46 pm. On the last day of January, sunrise is at 7:10 am and sunset at 5:18 pm EST.

Sunshine

In January, the average sunshine is 5h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Jun 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Collingdale, January records the average lowest temperatures, peaking at 37.4°F (3°C) and reaching a low of 25.7°F (-3.5°C).

In Collingdale, 37.4°F (3°C) is the average high-temperature and 25.7°F (-3.5°C) is the average low-temperature during January.

The average relative humidity in January is 74%.

January is the month with the least rainfall. Rain falls for 6.6 days and accumulates 1.46" (37mm) of precipitation.

In January, the rain falls for 6.6 days. Throughout January, 1.46" (37mm) of precipitation is accumulated.

In January, it is snowing for 3.3 days. Throughout January, 1.5" (38mm) of snow is accumulated.

The average day length in January is 9h and 43min.

On the first day of January, sunrise is at 7:22 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:18 pm EST.

The average sunshine duration in January is 5h.

The months with the lowest UV index in Collingdale are January, February, November and December, with an average maximum UV index of 2.

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Collingdale, PA

  • Average high temperature in January: 37.4°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in January: 25.7°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure in January
Collingdale, 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
Collingdale, PA

  • Average wind speed in January: 8.4mph

The windiest months (with the highest average wind speed) are February, March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in January
Collingdale, PA

  • Average humidity in January: 74%

The months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is April (71%).

Average rainfall in January
Collingdale, PA

  • Average rainfall in January: 1.46"

The wettest month (with the highest rainfall) is August (2.95").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days in January
Collingdale, PA

  • Average rainfall days in January: 6.6 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in January
Collingdale, PA

  • Average snowfall in January: 1.5"

The month with the highest snowfall is March (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Collingdale, PA

  • Average snowfall days in January: 3.3 days

The month with the highest number of snowfall days is January (3.3 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
Collingdale, PA

  • Average daylight in January: 9h and 42min

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: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in January
Collingdale, PA

  • Average sunshine days in January: 20.8 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (12.1 days).

Average UV index in January
Collingdale, 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, November and December (UV index 2).

Average cloud cover in January
Collingdale, PA

  • Average cloud cover in January: 44

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in January
Collingdale, PA

  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).