Monthly 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.

How much does it rain in Williamsport?

Throughout the year, in Williamsport, Pennsylvania, there are 132.8 rainfall days, and 41.3" (1048.5mm) of precipitation is accumulated.

When does it snow in Williamsport?

Months with snowfall in Williamsport are January through April, October through December.

How much does it snow in Williamsport?

Throughout the year, in Williamsport, there are 23.9 snowfall days, and 36" (914.4mm) of snow is accumulated.

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.

What is the driest month in Williamsport?

February is the month with the least rainfall in Williamsport, Pennsylvania. Rain falls for 9.7 days and accumulates 2.3" (59.4mm) of precipitation.

What is the warmest month in Williamsport?

The warmest month in Williamsport, Pennsylvania, is July, with an average high-temperature of 83.7°F (28.7°C) and an average low-temperature of 61.9°F (16.6°C).

What is the rainiest month in Williamsport?

The month with the most rainfall in Williamsport is July when the rain falls for 11.4 days and typically aggregates up to 4.3" (110.2mm) of precipitation.
Average temperature - Williamsport, PA
Average rainfall - Williamsport, PA
Average rainfall days - Williamsport, PA

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 - Williamsport, PA
Average snowfall days - Williamsport, PA

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 - Williamsport, PA

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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