Princeton, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Princeton now
Loading the National Weather Service forecast…
Princeton weather by the hour
Princeton weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Princeton.
This week in Princeton
Sunrise, sunset and moon in Princeton
What is the weather usually like in Princeton?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 84°F average high
- Januarycoldest month · 13°F average low
- 39.8 inprecipitation per year · 1,011 mm
- 28.5 insnowfall per year · 72 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Princeton: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station PRINCETON, IL US (USC00116998), adjusted for the elevation of Princeton.
Princeton weather month by month
Sunrise and sunset in Princeton through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:19 AM | 4:54 PM | 9 h 35 min |
| February | 6:50 AM | 5:33 PM | 10 h 42 min |
| March | 7:07 AM | 7:05 PM | 11 h 58 min |
| April | 6:16 AM | 7:39 PM | 13 h 23 min |
| May | 5:37 AM | 8:11 PM | 14 h 34 min |
| June | 5:22 AM | 8:34 PM | 15 h 12 min |
| July | 5:36 AM | 8:31 PM | 14 h 55 min |
| August | 6:05 AM | 7:58 PM | 13 h 52 min |
| September | 6:37 AM | 7:08 PM | 12 h 31 min |
| October | 7:08 AM | 6:18 PM | 11 h 9 min |
| November | 6:45 AM | 4:39 PM | 9 h 54 min |
| December | 7:15 AM | 4:30 PM | 9 h 15 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Princeton?
Princeton has a hot-summer humid continental climate. The warmest month is July, with an average high of 84°F (29°C), and the coldest is January, with average lows of 13°F (-10°C).
It gets about 39.8 inches (1,011 mm) of precipitation a year. The wettest month is May and the driest is January. Snow is common: about 29 inches fall in an average year.
The best time to visit Princeton is June to September. At 778 ft of elevation, nights are mild most of the year. 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 Princeton
Weather in towns near Princeton
Questions about the weather in Princeton
What is the hottest month in Princeton?
July, with an average high of 84°F (29°C).
What is the coldest month in Princeton?
January, with an average low of 13°F (-10°C).
How much does it rain in Princeton?
About 39.8 inches (1,011 mm) a year; the wettest month is May.
Does it snow in Princeton?
Yes, about 29 inches of snow fall in an average year.
When is the best time to visit Princeton?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Princeton have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Princeton in November?
Highs average 48°F and lows 29°F, with about 2.6 inches of precipitation.
What time is sunrise in Princeton?
Around 6:45 AM in mid-November, and sunset around 4:39 PM. Today’s exact times are shown above.
Where does this Princeton weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Princeton.
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