Tewksbury (MA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Tewksbury.
Climate overview of Tewksbury
Temperatures in Tewksbury, Massachusetts, United States of America, vary greatly throughout the year. July is the hottest month at 29°C (84°F), while January is the coldest at 2°C (36°F).
Rain/snowfall is high, totalling around 1219 mm (48 in) per year. June is the wettest month and September the driest. The city also experiences warm summers and cold winters. The sunniest month is May, with 10.0 hours of sunshine per day on average.
Tewksbury Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Tewksbury - and find the best time to visit.
Monthly Temperature in Tewksbury
The climate in Tewksbury is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in July, the warmest time of the year, to a chilly 2°C (36°F) during cooler months like January.
At night, you can expect temperatures ranging from 17°C (63°F) in July to around -8°C (18°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Tewksbury
Tewksbury has a notably wet climate with abundant precipitation, recording 1219 mm (48 in) of rain/snowfall per year. Year-round, Tewksbury has a balanced climate with minimal variation in precipitation. The difference between the wettest month, June, with 125 mm (4.9 in), and the driest month, September, with 81 mm (3.2 in), is minimal. For more details, please visit our Tewksbury Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Tewksbury
Seasonal changes in sunshine hours are quite dramatic in Tewksbury. 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
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Tewksbury by Month
The relative humidity is high throughout the year in Tewksbury.
The city experiences its highest humidity in August, reaching 72%. In February, the humidity drops to its lowest level at 62%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Tewksbury
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, August and September
- Warmest weather: July and August
- Most sunshine: May and July
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -8°C (18°F).
Frequently asked questions about the climate in Tewksbury
What is the best time to visit Tewksbury?
May, August and September typically offer the most optimal weather in Tewksbury. In contrast, January, February, March and December tend to have less optimal conditions. Tewksbury has warm summers and cold winters.
What temperatures can I expect in Tewksbury?
Daytime highs range from 2°C (36°F) in January to 29°C (84°F) in July. Nighttime lows range from -8°C (18°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Tewksbury get?
Annual rainfall is around 1219 mm (48 in). June is the wettest month with 125 mm (4.9 in), while September is the driest with 81 mm (3.2 in).
How sunny is Tewksbury?
Tewksbury receives around 2,665 hours of sunshine per year. May is the sunniest month with 301 hours, while December is the cloudiest with just 141 hours. Overall, Tewksbury enjoys abundant sunshine.
Tewksbury 3-Day Forecast
Tewksbury on the map
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