South River, NJ weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in South River now
Loading the National Weather Service forecast…
South River weather by the hour
South River weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of South River.
This week in South River
Sunrise, sunset and moon in South River
What is the weather usually like in South River?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 87°F average high
- Januarycoldest month · 23°F average low
- 49.5 inprecipitation per year · 1,258 mm
- 29.0 insnowfall per year · 74 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit South River: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station NEW BRUNSWICK 3 SE, NJ US (USC00286055), adjusted for the elevation of South River.
South River weather month by month
Sunrise and sunset in South River through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:16 AM | 4:57 PM | 9 h 40 min |
| February | 6:49 AM | 5:34 PM | 10 h 44 min |
| March | 7:07 AM | 7:05 PM | 11 h 58 min |
| April | 6:17 AM | 7:37 PM | 13 h 20 min |
| May | 5:39 AM | 8:08 PM | 14 h 29 min |
| June | 5:25 AM | 8:31 PM | 15 h 6 min |
| July | 5:38 AM | 8:28 PM | 14 h 49 min |
| August | 6:07 AM | 7:56 PM | 13 h 49 min |
| September | 6:37 AM | 7:08 PM | 12 h 30 min |
| October | 7:07 AM | 6:19 PM | 11 h 11 min |
| November | 6:42 AM | 4:41 PM | 9 h 59 min |
| December | 7:12 AM | 4:33 PM | 9 h 21 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in South River?
South River has a hot-summer humid continental climate. The warmest month is July, with an average high of 87°F (30°C), and the coldest is January, with average lows of 23°F (-5°C).
It gets about 49.5 inches (1,258 mm) of precipitation a year. The wettest month is June and the driest is February. Snow is common: about 29 inches fall in an average year.
The best time to visit South River is May–June and August–September. At 26 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 South River
Weather in towns near South River
Questions about the weather in South River
What is the hottest month in South River?
July, with an average high of 87°F (30°C).
What is the coldest month in South River?
January, with an average low of 23°F (-5°C).
How much does it rain in South River?
About 49.5 inches (1,258 mm) a year; the wettest month is June.
Does it snow in South River?
Yes, about 29 inches of snow fall in an average year.
When is the best time to visit South River?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does South River have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in South River in November?
Highs average 56°F and lows 35°F, with about 3.4 inches of precipitation.
What time is sunrise in South River?
Around 6:42 AM in mid-November, and sunset around 4:41 PM. Today’s exact times are shown above.
Where does this South River weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of South River.
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