Jefferson, PA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Jefferson now
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Jefferson weather by the hour
Jefferson weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Jefferson.
This week in Jefferson
Sunrise, sunset and moon in Jefferson
What is the weather usually like in Jefferson?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 82°F average high
- Januarycoldest month · 16°F average low
- 41.8 inprecipitation per year · 1,061 mm
- 27.5 insnowfall per year · 70 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Jefferson: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station MERCER, PA US (USC00365651), adjusted for the elevation of Jefferson.
Jefferson weather month by month
Sunrise and sunset in Jefferson through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:42 AM | 5:18 PM | 9 h 35 min |
| February | 7:14 AM | 5:56 PM | 10 h 42 min |
| March | 7:31 AM | 7:29 PM | 11 h 58 min |
| April | 6:39 AM | 8:02 PM | 13 h 22 min |
| May | 6:00 AM | 8:34 PM | 14 h 33 min |
| June | 5:46 AM | 8:57 PM | 15 h 11 min |
| July | 6:00 AM | 8:54 PM | 14 h 54 min |
| August | 6:29 AM | 8:22 PM | 13 h 52 min |
| September | 7:00 AM | 7:32 PM | 12 h 31 min |
| October | 7:31 AM | 6:42 PM | 11 h 10 min |
| November | 7:08 AM | 5:03 PM | 9 h 55 min |
| December | 7:38 AM | 4:54 PM | 9 h 16 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Jefferson?
Jefferson has a warm-summer humid continental climate. The warmest month is July, with an average high of 82°F (28°C), and the coldest is January, with average lows of 16°F (-9°C).
It gets about 41.8 inches (1,061 mm) of precipitation a year. The wettest month is July and the driest is February. Snow is common: about 28 inches fall in an average year.
The best time to visit Jefferson 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.
More about Jefferson
Weather in towns near Jefferson
Questions about the weather in Jefferson
What is the hottest month in Jefferson?
July, with an average high of 82°F (28°C).
What is the coldest month in Jefferson?
January, with an average low of 16°F (-9°C).
How much does it rain in Jefferson?
About 41.8 inches (1,061 mm) a year; the wettest month is July.
Does it snow in Jefferson?
Yes, about 28 inches of snow fall in an average year.
When is the best time to visit Jefferson?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Jefferson have?
Warm-summer humid continental (Köppen Dfb).
What is the weather like in Jefferson in November?
Highs average 50°F and lows 29°F, with about 3.0 inches of precipitation.
What time is sunrise in Jefferson?
Around 7:08 AM in mid-November, and sunset around 5:03 PM. Today’s exact times are shown above.
Where does this Jefferson weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Jefferson.
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