Williamsport, PA weather and climate in 2025
Day
4 °C
Night
-5 °C
Sea
0 °C
Precipitation
74 mm
in month
Rainy days
11 days
in month
Daylight
9 hours
average
Sunshine
3 hours
average
Humidity
72 %
Day
4 °C
Night
-5 °C
Sea
0 °C
Precipitation
74 mm
in month
Rainy days
11 days
in month
Daylight
9 hours
average
Sunshine
3 hours
average
Humidity
72 %
Overview: Williamsport, PA
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Weather overview for Williamsport, PA
Weather overview
Williamsport, PA (United States of America) in general has a mild continental climate. The day temperatures range from 2 °C (35 °F) in January to 29 °C (84 °F) in July. The least rainy month in Williamsport, PA is October with its 10 days of rain, the rainiest month is June, when it rains 13 days. Temperatures during the night go from -8 °C (18 °F) in January to 16 °C (60 °F) in July.
January weather
The rainfall amount continues to descent, with its value being 63 mm (2.47 in) in Williamsport, PA. The night temperature is on its minimum, the value of this measure is -8 °C (18 °F), and the day temperature is on its minimum as well in this month. The beginning of the rise of the number of sun hours (without clouds) could be noticed, its value is 4 hours.
February weather
The number of rainy days descent's start could be observed, its value is 10 days in Williamsport, PA, while the minimum of the rainfall amount can be noticed, its value is 59 mm (2.34 in). The day temperature starts to rise, the value of this measure is 4 °C (38 °F), and the night temperature starts to rise as well, with its value of -7 °C (20 °F). The rise of the number of sun hours (without clouds) can be observed, with its value being 5 hours.
March weather
The day temperature rises similarly to the previous month, with its value of 9 °C (48 °F) in Williamsport, PA, and the night temperature continues to rise as well, the value of this measure is -3 °C (27 °F). The rainfall amount rise's start could be observed, and the number of rainy days rise's start could be observed as well, the value of this measure is 10 days. The number of sun hours (without clouds) continues to rise, with its value of 6 hours. The maximum of the wind speed is observable.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.April weather
The rise of the day temperature can be observed in Williamsport, PA, and the rise of the night temperature can be observed as well. The number of rainy days continues to rise, the value of this measure is 12 days, and the rainfall amount rises similarly to the previous month as well. The number of sun hours (without clouds) continues to rise, with its value of 7 hours. The humidity is on its minimum, with its value of 62 %.
May weather
The tourist season is at its beginning in Williamsport, PA. The day temperature continues to rise, with its value being 22 °C (72 °F), and the night temperature continues to rise too, with its value of 8 °C (46 °F). The rise of the number of rainy days can be observed, with its value of 13 days, and the rainfall amount rises similarly to the previous month too, the value of this measure is 95 mm (3.73 in). The number of sun hours (without clouds) rises similarly to the previous month, the value of this measure is 8 hours.
June weather
There is pending tourist season this month in Williamsport, PA. The day temperature rises similarly to the previous month, with its value of 27 °C (80 °F), and the night temperature rises similarly to the previous month as well, with its value being 13 °C (56 °F). The number of rainy days reaches its maximum, the value of this measure is 13 days, and the rainfall amount reaches its maximum too, with its value being 110 mm (4.32 in). The number of sun hours (without clouds) rises similarly to the previous month.
July weather
There is pending tourist season in Williamsport, PA. The number of rainy days descent's start could be observed in this month. The maximum of the day temperature is observable, with its value of 29 °C (84 °F), and the maximum of the night temperature can be noticed too, with its value of 16 °C (60 °F). The maximum of the number of sun hours (without clouds) is observable, its value is 10 hours.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.August weather
The day temperature starts to descent, with its value of 28 °C (83 °F) in Williamsport, PA, and the night temperature descent's start could be observed too, with its value being 15 °C (59 °F). The number of rainy days continues to descent, with its value of 11 days, while the rainfall amount starts to descent, with its value being 93 mm (3.66 in). The tourist season continues. The beginning of the descent of the number of sun hours (without clouds) could be noticed, with its value being 9 hours.
September weather
The ongoing tourist season is noticeable in Williamsport, PA. The descent of the number of rainy days can be observed. The day temperature descents similarly to the previous month, and the night temperature descents similarly to the previous month too, its value is 11 °C (52 °F). The descent of the number of sun hours (without clouds) can be observed, the value of this measure is 7 hours. The maximum of the humidity is observable, with its value of 78 %.
October weather
The day temperature descents similarly to the previous month, with its value of 17 °C (63 °F) in Williamsport, PA, and the night temperature continues to descent too, its value is 5 °C (40 °F). The rainfall amount starts to descent, while the minimum of the number of rainy days is observable in October. The number of sun hours (without clouds) continues to descent, its value is 6 hours.
November weather
The night temperature continues to descent, with its value of 0 °C (32 °F) in Williamsport, PA, and the day temperature descents similarly to the previous month too, with its value being 10 °C (51 °F). The number of sun hours (without clouds) continues to descent, with its value of 4 hours.
December weather
The beginning of the rise of the number of rainy days could be noticed in Williamsport, PA, on the contrary the rainfall amount starts to descent, the value of this measure is 74 mm (2.90 in). The day temperature descents similarly to the previous month, and the night temperature descents similarly to the previous month too, with its value being -5 °C (23 °F). The number of sun hours (without clouds) is on its minimum, with its value being 3 hours. The minimum of the day length is observable, its value is 9 hours.
FAQs
Is there a dry season in April in Williamsport, PA?
No, April is not a dry month in Williamsport, PA, expect rain approximately 12 days in a month.
Is May a good month to visit Williamsport, PA?
There are good conditions for visiting in Williamsport, PA in May. There are some people, who may feel a slight chill at 22 °C (72 °F), but others will feel perfectly fine. The temperature of 8 °C (46 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
How many days of precipitation on average can I expect in Williamsport, PA in June?
There are 13 days, which are rainy in June in Williamsport, PA, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 3.0 days of the week, or in general - 43 % days.
What is the temperature in Williamsport, PA during the day in July?
In Williamsport, PA in July, the average daily temperatures will be 29 °C (84 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. An increase of 2 °C (36 °F) compared to the previous month. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.Is it hot in Williamsport, PA in August?
In Williamsport, PA in August, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
Is September part of the wet season in Williamsport, PA?
No, there is no wet season in Williamsport, PA in September - you can expect 10 days of rain during the month.
How many sunny hours can I expect in Williamsport, PA in October?
There is an average length of sunshine of 6 hours per day in October in Williamsport, PA. The value is lower by 1 hour than in the previous month. This is 20 % decrease of the indicator.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.