Lyme, CT weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Lyme now
Loading the National Weather Service forecast…
Lyme weather by the hour
Lyme weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Lyme.
This week in Lyme
Sunrise, sunset and moon in Lyme
What is the weather usually like in Lyme?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 80°F average high
- Januarycoldest month · 23°F average low
- 39.3 inprecipitation per year · 999 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Lyme: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station GROTON NEW LONDON AP, CT US (USW00014707), adjusted for the elevation of Lyme.
Lyme weather month by month
Sunrise and sunset in Lyme through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:11 AM | 4:46 PM | 9 h 34 min |
| February | 6:42 AM | 5:24 PM | 10 h 42 min |
| March | 6:59 AM | 6:57 PM | 11 h 58 min |
| April | 6:07 AM | 7:30 PM | 13 h 23 min |
| May | 5:28 AM | 8:02 PM | 14 h 34 min |
| June | 5:13 AM | 8:26 PM | 15 h 12 min |
| July | 5:27 AM | 8:23 PM | 14 h 55 min |
| August | 5:57 AM | 7:50 PM | 13 h 53 min |
| September | 6:28 AM | 7:00 PM | 12 h 31 min |
| October | 7:00 AM | 6:10 PM | 11 h 9 min |
| November | 6:36 AM | 4:31 PM | 9 h 54 min |
| December | 7:06 AM | 4:22 PM | 9 h 15 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Lyme?
Lyme has a hot-summer humid continental climate. The warmest month is July, with an average high of 80°F (27°C), and the coldest is January, with average lows of 23°F (-5°C).
It gets about 39.3 inches (999 mm) of precipitation a year. The wettest month is September and the driest is February.
The best time to visit Lyme is June to 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 Lyme
Weather in towns near Lyme
Questions about the weather in Lyme
What is the hottest month in Lyme?
July, with an average high of 80°F (27°C).
What is the coldest month in Lyme?
January, with an average low of 23°F (-5°C).
How much does it rain in Lyme?
About 39.3 inches (999 mm) a year; the wettest month is September.
Does it snow in Lyme?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Lyme?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Lyme have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Lyme in November?
Highs average 53°F and lows 37°F, with about 3.2 inches of precipitation.
What time is sunrise in Lyme?
Around 6:36 AM in mid-November, and sunset around 4:31 PM. Today’s exact times are shown above.
Where does this Lyme weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Lyme.
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