Cornwall, CT weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Cornwall now
Loading the National Weather Service forecast…
Cornwall weather by the hour
Cornwall weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Cornwall.
This week in Cornwall
Sunrise, sunset and moon in Cornwall
What is the weather usually like in Cornwall?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 84°F average high
- Januarycoldest month · 14°F average low
- 46.9 inprecipitation per year · 1,190 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Cornwall: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station FALLS VILLAGE, CT US (USC00062658), adjusted for the elevation of Cornwall.
Cornwall weather month by month
Sunrise and sunset in Cornwall through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:16 AM | 4:48 PM | 9 h 32 min |
| February | 6:47 AM | 5:27 PM | 10 h 40 min |
| March | 7:03 AM | 7:01 PM | 11 h 57 min |
| April | 6:11 AM | 7:35 PM | 13 h 24 min |
| May | 5:31 AM | 8:08 PM | 14 h 36 min |
| June | 5:16 AM | 8:31 PM | 15 h 15 min |
| July | 5:30 AM | 8:28 PM | 14 h 58 min |
| August | 6:00 AM | 7:55 PM | 13 h 54 min |
| September | 6:32 AM | 7:04 PM | 12 h 32 min |
| October | 7:04 AM | 6:13 PM | 11 h 9 min |
| November | 6:41 AM | 4:34 PM | 9 h 52 min |
| December | 7:12 AM | 4:24 PM | 9 h 12 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Cornwall?
Cornwall has a warm-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 14°F (-10°C).
It gets about 46.9 inches (1,190 mm) of precipitation a year. The wettest month is June and the driest is February.
The best time to visit Cornwall is May–June and August–September. At 709 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 Cornwall
Weather in towns near Cornwall
Questions about the weather in Cornwall
What is the hottest month in Cornwall?
July, with an average high of 84°F (29°C).
What is the coldest month in Cornwall?
January, with an average low of 14°F (-10°C).
How much does it rain in Cornwall?
About 46.9 inches (1,190 mm) a year; the wettest month is June.
Does it snow in Cornwall?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Cornwall?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Cornwall have?
Warm-summer humid continental (Köppen Dfb).
What is the weather like in Cornwall in November?
Highs average 50°F and lows 28°F, with about 3.5 inches of precipitation.
What time is sunrise in Cornwall?
Around 6:41 AM in mid-November, and sunset around 4:34 PM. Today’s exact times are shown above.
Where does this Cornwall weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Cornwall.
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