Westfield (MA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Westfield.
Climate overview of Westfield
Westfield, Massachusetts, United States of America, sees big temperature differences between seasons, with July peaking at 29°C (84°F) and January dropping to 2°C (36°F).
The city receives considerable rain/snowfall, with around 1309 mm (52 in) annually. June is the wettest month. It has warm summers and very cold winters. Sunshine peaks in July, when the city sees around 9.8 hours of sunshine per day.
Westfield Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Westfield - and find the best time to visit.
Monthly Temperature in Westfield
Visitors to Westfield can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 29°C (84°F) in July to a very cold 2°C (36°F) in the coolest month, January.
Nights vary from 17°C (63°F) in July to around -8°C (18°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Westfield
Westfield is known for its substantial rain/snowfall, with annual precipitation reaching 1309 mm (52 in). Westfield offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month June (157 mm (6.2 in)) and the driest month November (81 mm (3.2 in)) is not too significant. For more details, please visit our Westfield 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 Westfield
For those who appreciate different seasons, Westfield serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.8 hours of sunshine daily, and embrace the darker days in November, offering only 4.6 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Westfield by Month
The relative humidity is high throughout the year in Westfield.
The city experiences its highest humidity in September, reaching 73%. In April, the humidity drops to its lowest level at 58%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Westfield
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August and September
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: February, March, September and November
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -8°C (18°F).
Frequently asked questions about the climate in Westfield
What is the best time to visit Westfield?
May, June, July, August and September typically offer the most optimal weather in Westfield. In contrast, January, February, March and December tend to have less optimal conditions. Westfield has warm summers and very cold winters.
What temperatures can I expect in Westfield?
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 Westfield get?
Annual rainfall is around 1309 mm (52 in). June is the wettest month with 157 mm (6.2 in), while November is the driest with 81 mm (3.2 in).
How sunny is Westfield?
Westfield receives around 2,581 hours of sunshine per year. July is the sunniest month with 293 hours, while November is the cloudiest with just 139 hours. Overall, Westfield enjoys abundant sunshine.
Westfield 3-Day Forecast
Westfield on the map
Westfield is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Kissimmee
33°C (91°F) Orlando33°C (91°F) Miami Beach32°C (90°F) Destin32°C (90°F) New York City
29°C (84°F) Big Bear Lake
27°C (81°F) Los Angeles
24°C (75°F) San Francisco22°C (72°F) 
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.