Williamsville, PA
Unincorporated community in McKean County, Pennsylvania
Williamsville is a small unincorporated community in McKean County, Pennsylvania. It is 2.7 miles N of Sergeant, the nearest town. Its ZIP code is 15870.
Williamsville at a glance
- State
- Pennsylvania
- County
- McKean County
- ZIP code
- 15870
- Nearest town
- Sergeant (2.7 mi)
- Time zone
- America/New York
- Coordinates
- 41.6294, -78.5753
Weather in Williamsville now
Loading the National Weather Service forecast…
Williamsville weather by the hour
Williamsville weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Williamsville.
This week in Williamsville
Sunrise, sunset and moon in Williamsville
What is the weather usually like in Williamsville?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 78°F average high
- Januarycoldest month · 13°F average low
- 46.4 inprecipitation per year · 1,179 mm
- 66.0 insnowfall per year · 168 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Williamsville: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station GLEN HAZEL 2 NE DAM, PA US (USC00363311), adjusted for the elevation of Williamsville.
Williamsville weather month by month
Sunrise and sunset in Williamsville through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:36 AM | 5:10 PM | 9 h 33 min |
| February | 7:07 AM | 5:49 PM | 10 h 41 min |
| March | 7:24 AM | 7:22 PM | 11 h 58 min |
| April | 6:32 AM | 7:56 PM | 13 h 23 min |
| May | 5:52 AM | 8:28 PM | 14 h 35 min |
| June | 5:37 AM | 8:51 PM | 15 h 14 min |
| July | 5:51 AM | 8:48 PM | 14 h 56 min |
| August | 6:21 AM | 8:15 PM | 13 h 53 min |
| September | 6:53 AM | 7:25 PM | 12 h 31 min |
| October | 7:25 AM | 6:34 PM | 11 h 9 min |
| November | 7:02 AM | 4:55 PM | 9 h 53 min |
| December | 7:32 AM | 4:46 PM | 9 h 13 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Williamsville?
Williamsville has a warm-summer humid continental climate. The warmest month is July, with an average high of 78°F (26°C), and the coldest is January, with average lows of 13°F (-11°C).
It gets about 46.4 inches (1,179 mm) of precipitation a year. The wettest month is July and the driest is February. Snow is common: about 66 inches fall in an average year.
The best time to visit Williamsville is June to September. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
Webcams near Williamsville
The closest live webcam is Annin Township › North-west: Wildcat Hollow - Marvin Creek, 6.5 miles N of Williamsville.
Webcams: Windy.com. Distances in a straight line from Williamsville.
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Map of Williamsville, PA
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Williamsville Street View
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Open in Google Maps ›Towns near Williamsville
Other communities near Williamsville
Questions about Williamsville
Where is Williamsville, PA?
Williamsville is an unincorporated community in McKean County, Pennsylvania, 2.7 miles N of Sergeant.
What county is Williamsville in?
Williamsville is in McKean County, Pennsylvania.
What is the ZIP code of Williamsville, PA?
The ZIP code for Williamsville is 15870.
What is the nearest town to Williamsville?
Sergeant, 2.7 miles away.
Are there webcams near Williamsville?
Yes. The closest is Annin Township › North-west: Wildcat Hollow - Marvin Creek, 6.5 miles away.
What is the hottest month in Williamsville?
July, with an average high of 78°F (26°C).
What is the coldest month in Williamsville?
January, with an average low of 13°F (-11°C).
How much does it rain in Williamsville?
About 46.4 inches (1,179 mm) a year; the wettest month is July.
Does it snow in Williamsville?
Yes, about 66 inches of snow fall in an average year.
When is the best time to visit Williamsville?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Williamsville have?
Warm-summer humid continental (Köppen Dfb).
Last updated: