Climate ▸Forecast ▸December ▸January ▸
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Lexington (MA) Weather and Climate: A Comprehensive Guide

Lexington experiences great temperature shifts. The city's weather can transition from warm days to cold weather. It also has a notably wet climate with much precipitation. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

The climate in Lexington is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 29°C in July, the warmest time of the year, to a chilly 2°C during cooler months like February.

At night, temperatures typically drop to an average of around -8°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Lexington has a notably wet climate with abundant precipitation, recording 1223 mm of rain/snowfall per year. Year-round, Lexington has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 131 mm, and the driest month, September, with 81 mm, is minimal.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Lexington. While May receives considerable daily sunshine with up to 10.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.7 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Boston, the United States of America (18 KM, 11 Miles).

Daily hours of sunshine

Data from: Boston, the United States of America (18 KM, 11 Miles).

Average water temperature

The mean water temperature over the year ranges from 4°C in February to 20°C in August.

Water temperature over the year

Data from: Boston, the United States of America (18 KM, 11 Miles).

Forecast for Lexington (MA)

Sun   Dec 22
-6°C | -15°C
NW 5 m/s
clear and no rain

clear and no rain

Mon   Dec 23
-3°C | -18°C
S 3 m/s
almost clear and no rain

almost clear and no rain

Tue   Dec 24
1°C | -6°C
NW 3 m/s
2 mm
overcast and snow

overcast and snow

The best time of year to visit Lexington in the United States of America

During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Lexington?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Lexington?
    The coldest month is February with an average maximum temperature of 2°C.
  • Which is the wettest month in Lexington?
    December tops the wettest month list with 131 mm of rainfall.
  • Which is the driest month in Lexington?
    September is the driest month with 81 mm of precipitation.
  • Which is the sunniest month in Lexington?
    May is the sunniest month with an average of 301 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.