Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
October brings a drop in Williamsport's average high-temperature, falling from a pleasant 72.1°F (22.3°C) in September to a mild 59.4°F (15.2°C). In October, the recorded average low-temperature is a wintry 42.6°F (5.9°C).Humidity
In October, the average relative humidity is 82%.Rainfall
In Williamsport, in October, it is raining for 11.8 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, there are 145.2 rainfall days, and 16.57" (421mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 39.1 snowfall days, and 7.56" (192mm) of snow is accumulated.Daylight
In Williamsport, the average length of the day in October is 11h and 5min.On the first day of the month, sunrise is at 7:05 am and sunset at 6:49 pm. On the last day of October, sunrise is at 7:38 am and sunset at 6:04 pm EDT.
Sunshine
In October, the average sunshine is 5.1h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 2 in October suggests the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in October?
What is the average humidity in October?
How much does it rain in October?
When does it start to snow?
How many hours of daylight does Williamsport have in October?
What time are sunrise and sunset in October in Williamsport?
How long on average sun shines in October?
What is the month with the lowest UV index?
What is the UV index reading in October?
Average temperature in October
Williamsport, PA
- Average high temperature in October: 59.4°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in October: 42.6°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in October
Williamsport, PA
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in October
Williamsport, PA
- Average wind speed in October: 6.3mph
The windiest months (with the highest average wind speed) are January, March and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in October
Williamsport, PA
- Average humidity in October: 82%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in October
Williamsport, PA
- Average rainfall in October: 1.5"
The wettest month (with the highest rainfall) is April (1.93").
The driest month (with the least rainfall) is November (0.94").
Average rainfall days in October
Williamsport, PA
- Average rainfall days in October: 11.8 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in October
Williamsport, PA
- Average snowfall in October: 0.08"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Williamsport, PA
- Average snowfall days in October: 0.3 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Williamsport, PA
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in October: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in October
Williamsport, PA
- Average sunshine days in October: 16.5 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in October
Williamsport, PA
- Average UV index in October: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in October
Williamsport, PA
- Average cloud cover in October: 48
The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in October
Williamsport, PA
- Average visibility in October: 5mi
The month with the highest visibility is April (6mi).
The month with the lowest visibility is September (4mi).
Williamsport, Pennsylvania, USA
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