Deep River, CT Weather
Deep River, CT climate is warm during summer when temperatures tend to be in the 70's and very cold during winter when temperatures tend to be in the 20's.
The warmest month of the year is July with an average maximum temperature of 84.20 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 20.30 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 21 degrees Fahrenheit, and fairly limited during winter with an average difference of 16 degrees Fahrenheit.
The annual average precipitation at Deep River is 53.32 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is January with an average rainfall of 5.04 Inches.
Weather Data
Current Conditions
|
Overcast, 45°F | Humidity: 71% | Dewpoint: 36°F |
| Wind Speed: NE 11.5 MPH (10 KT) | Heat Index: 45°F | ||
| Barometer: 30.43 in. | Wind Chill: 39°F |
Weather Forecast
 | Tonight: Partly cloudy this evening...Then mostly cloudy with a slight chance of light rain or drizzle after midnight. Lows around 40. Northeast winds around 10 mph. Chance of rain 20 percent. | |
| Lo: 40°F | ||
| Hi: 50°F | Monday: Cloudy. A chance of light rain or drizzle in the morning...Then a chance of rain in the afternoon. Highs around 50. Northeast winds 10 to 15 mph. Chance of rain 50 percent. |
| Lo: 49°F | ||
| Hi: 55°F | Tuesday: Cloudy with light rain likely in the morning...Then partly sunny in the afternoon. Highs in the mid 50s. North winds around 15 mph with gusts up to 25 mph. Chance of rain 60 percent. |
| Lo: 39°F | ||
 | Hi: 55°F | Wednesday: Partly sunny. Highs in the mid 50s. |
| Lo: 41°F | ||
 | Hi: 55°F | Thanksgiving day: Cloudy with a 40 percent chance of rain. Highs in the mid 50s. |
| Lo: 41°F | ||
| Hi: 50°F | Friday: Cloudy with a 50 percent chance of rain. Highs around 50. |
| Lo: 35°F | ||
| Hi: 45°F | Saturday: Partly sunny. A chance of rain in the morning. Breezy with highs in the mid 40s. Chance of rain 30 percent. |
| Lo: 31°F |
Moon, Sunrise and Sunset
 |
Moon Phase: Waxing Crescent Moon | Civil Twilight: 6:15 AM EST |
Sunrise: 6:45 AM EST |
| Sunset: 4:25 PM EST |
Civil Twilight: 4:55 PM EST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 36.2 | 38.9 | 47.5 | 58.9 | 70.6 | 79.4 | 84.2 | 81.2 | 72.7 | 61.5 | 51.0 | 40.6 | 60.2 |
| Mean °F | 28.3 | 30.5 | 38.6 | 48.8 | 59.6 | 68.4 | 73.4 | 71.2 | 63.2 | 52.2 | 43.1 | 33.2 | 50.9 |
| Min °F | 20.3 | 22.1 | 29.7 | 38.7 | 48.5 | 57.3 | 62.5 | 61.2 | 53.6 | 42.9 | 35.1 | 25.8 | 41.5 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 5.04 | 3.61 | 4.75 | 4.71 | 4.16 | 4.13 | 3.82 | 4.69 | 4.15 | 4.72 | 4.96 | 4.58 | 53.32 |
