January weather forecast and climate
Williamsport, PA

What is the coldest month in Williamsport?

With an average high-temperature of 34.2°F (1.2°C) and an average low-temperature of 19.2°F (-7.1°C), January is the coldest month.

What is the temperature in January in Williamsport?

The average high-temperature, in January, in Williamsport, is 34.2°F (1.2°C), while the average low-temperature is 19.2°F (-7.1°C).

How many days does it rain in January in Williamsport?

In January, in Williamsport, the rain falls for 11 days. Throughout January, 2.7" (68.6mm) of precipitation is accumulated.

How many days does it snow in January in Williamsport?

In Williamsport, in January, snow falls for 7.4 days, with typically accumulated 10.5" (266.7mm) of snow.

When does it snow the most in Williamsport?

January is the month with the most snowfall. Snow falls for 7.4 days and accumulates 10.5" (266.7mm) of snow.
Average temperature in January - Williamsport, PA
  • Average high temperature in January: 34.2°F

The warmest month (with the highest average high temperature) is July (83.6°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in January: 19.3°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (19.3°F).

Average rainfall in January - Williamsport, PA
  • Average rainfall in January: 2.7"

The wettest month (with the highest rainfall) is July (4.3").
The driest month (with the lowest rainfall) is February (2.3").

Average rainfall days in January - Williamsport, PA
  • Average rainfall days in January: 11 days

The month with the highest number of rainy days is May (13.3 days).
The month with the lowest number of rainy days is February (9.7 days).

Average snowfall in January - Williamsport, PA
  • Average snowfall in January: 10.5"

The month with the highest snowfall is January (10.5").
Months with the lowest snowfall are May, June, July, August and September (0").

Average snowfall days in January - Williamsport, PA
  • Average snowfall days in January: 7.4 days

The month with the highest number of snowfall days is January (7.4 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight in January - Williamsport, PA
  • Average daylight in January: 9.6h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).

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