Williamsport
Pennsylvania, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Williamsport, PA

January, the same as December, is another cold winter month in Williamsport, Pennsylvania, with temperature in the range of an average low of 19.2°F (-7.1°C) and an average high of 34.2°F (1.2°C). The coldest month is January, with an average high-temperature of 34.2°F (1.2°C) and an average low-temperature of 19.2°F (-7.1°C). Weather in January »
The last month of the winter, February, is also a wintry month in Williamsport, Pennsylvania, with average temperature fluctuating between 21.4°F (-5.9°C) and 37.9°F (3.3°C). In February, the average high-temperature is essentially the same as in January - a still cold 37.9°F (3.3°C). Weather in February »

March, the first month of the spring, in Williamsport, is a frosty month, with average temperature fluctuating between 47.8°F (8.8°C) and 28.6°F (-1.9°C). In Williamsport, the average high-temperature in March increases, from a cold 37.9°F (3.3°C) in February, to a frosty 47.8°F (8.8°C). Weather in March »

April in Williamsport, Pennsylvania, is an enjoyable spring month, with temperature in the range of an average high of 61°F (16.1°C) and an average low of 38.8°F (3.8°C). In April, the average high-temperature increases, from a chilly 47.8°F (8.8°C) in March, to a comfortable 61°F (16.1°C). Weather in April »

The last month of the spring, May, is a pleasant month in Williamsport, Pennsylvania, with average temperature ranging between max 71.4°F (21.9°C) and min 47.8°F (8.8°C). In May, the average high-temperature rises, from a comfortable 61°F (16.1°C) in April, to a pleasant 71.4°F (21.9°C). Weather in May »

June, the first month of the summer, in Williamsport, is a moderately hot month, with average temperature fluctuating between 57.6°F (14.2°C) and 79.7°F (26.5°C). In June, the average high-temperature marginally rises, from a pleasant 71.4°F (21.9°C) in May, to a warm 79.7°F (26.5°C). Weather in June »

July, the same as June, is a moderately hot summer month in Williamsport, Pennsylvania, with temperature in the range of an average high of 83.7°F (28.7°C) and an average low of 61.9°F (16.6°C). July is the warmest month, with an average high-temperature of 83.7°F (28.7°C) and an average low-temperature of 61.9°F (16.6°C). Weather in July »

The last month of the summer, August, is another warm month in Williamsport, Pennsylvania, with average temperature varying between 81.7°F (27.6°C) and 60.6°F (15.9°C). In August, the average high-temperature is almost the same as in July - a still warm 81.7°F (27.6°C). Weather in August »

September, the first month of the autumn, in Williamsport, is also a moderately hot month, with average temperature fluctuating between 73.6°F (23.1°C) and 53.1°F (11.7°C). In Williamsport, the average high-temperature slightly decreases, from 81.7°F (27.6°C) in August, to a still moderately hot 73.6°F (23.1°C). Weather in September »

October, like September, in Williamsport, Pennsylvania, is another comfortable autumn month, with average temperature varying between 41.5°F (5.3°C) and 62.1°F (16.7°C). In October, the average high-temperature drops, from a warm 73.6°F (23.1°C) in September, to a comfortable 62.1°F (16.7°C). Weather in October »

November, the last month of the autumn, in Williamsport, is also a frosty month, with average temperature ranging between max 49.8°F (9.9°C) and min 33.3°F (0.7°C). In November, the average high-temperature drops, from an enjoyable 62.1°F (16.7°C) in October, to a chilly 49.8°F (9.9°C). Weather in November »

The first month of the winter, December, is also a wintry month in Williamsport, Pennsylvania, with temperature in the range of an average low of 24.3°F (-4.3°C) and an average high of 38.1°F (3.4°C). In Williamsport, the average high-temperature in December decreases, from a chilly 49.8°F (9.9°C) in November, to a cold 38.1°F (3.4°C). Weather in December »

What is the coldest month in Williamsport?

The coldest month in Williamsport is January, with an average high-temperature of 34.2°F (1.2°C) and an average low-temperature of 19.2°F (-7.1°C).

How many days does it rain in Williamsport?

In Williamsport, during the entire year, the rain falls for 132.8 days and collects up to 41.3" (1048.5mm) of precipitation.

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 in Williamsport, Pennsylvania. 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.

When are the longest days in Williamsport?

With an average of 15.1h of daylight, June has the longest days of the year in Williamsport, Pennsylvania.

What is the warmest month in Williamsport?

July is the warmest month in Williamsport, Pennsylvania, 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?

July is the month with the most rainfall in Williamsport, Pennsylvania. Rain falls for 11.4 days and accumulates 4.3" (110.2mm) of precipitation.

What is the month with the shortest days in Williamsport?

With an average of 9.3h of daylight, December has the shortest days of the year.
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).