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Contents
- The climate of Westfield
- The best time to visit Westfield
- The worst time to visit Westfield
- Spring weather in Westfield
- Summer weather in Westfield
- Autumn weather in Westfield
- Winter weather in Westfield
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Westfield
Located in Massachusetts, USA, the city of Westfield embodies the characteristics of a humid continental climate, with no dry season and a warm summer according to the Köppen climate classification. This classification is known as Dfb. The geographic position in the northwestern part of Massachusetts heavily influences the annual weather cycle in Westfield, creating a distinct seasonal difference in the overall climate.
Throughout the journey from January to December, the city experiences significant temperature fluctuations. The average high temperature peaks at 81.7°F (27.6°C) in July and dips to its lowest, 30.6°F (-0.8°C), in January. Correspondingly, the average low temperature presents a similar pattern, with the highest reading at 61.3°F (16.3°C) in July and the lowest at 18°F (-7.8°C) in January. Rainfall is a constant presence every month, ranging from a high of 3.27" (83mm) in October and December to a low of 2.01" (51mm) in September. Uniformly dispersed across the year, the rainfalls exhibit a vivid picture of Westfield’s humid nature.
Particular patterns emerge when viewing climate data. The city sees a noticeable lack of snowfall, with a record of 0" (0mm) from June to September. Meanwhile, the greatest snowfall amount occurs in February, at 5.59" (142mm). Another unique aspect comes in the form of sunlight exposure. The city basks in sunshine for the longest duration in the months of July and August, each receiving an average of 10.2 hours per day.
Throughout the journey from January to December, the city experiences significant temperature fluctuations. The average high temperature peaks at 81.7°F (27.6°C) in July and dips to its lowest, 30.6°F (-0.8°C), in January. Correspondingly, the average low temperature presents a similar pattern, with the highest reading at 61.3°F (16.3°C) in July and the lowest at 18°F (-7.8°C) in January. Rainfall is a constant presence every month, ranging from a high of 3.27" (83mm) in October and December to a low of 2.01" (51mm) in September. Uniformly dispersed across the year, the rainfalls exhibit a vivid picture of Westfield’s humid nature.
Particular patterns emerge when viewing climate data. The city sees a noticeable lack of snowfall, with a record of 0" (0mm) from June to September. Meanwhile, the greatest snowfall amount occurs in February, at 5.59" (142mm). Another unique aspect comes in the form of sunlight exposure. The city basks in sunshine for the longest duration in the months of July and August, each receiving an average of 10.2 hours per day.
The best time to visit Westfield
Given the city’s diverse range of climatological parameters, the ideal visiting time hinges on individual preferences from weather and recreational activities. For those desiring milder temperatures and blossoming nature, May presents an average high of 67.6°F (19.8°C), making it a favorable choice. While for sunshine lovers, July and August with 10.2 average sunshine hours per day should be the target months.
The worst time to visit Westfield
While still subjective, those who aren't accustomed to extreme cold might find January, with its average low temperature of 18°F (-7.8°C), to be a challenging month to visit. Furthermore, constant rainfall makes October and December undesirable visit periods due to the high precipitation amount of 3.27" (83mm) each month.
Spring weather in Westfield
Spring in Westfield can be described by gradually warming temperatures and a consistent amount of rainfall. April signals the beginning of higher temperatures, going up to an average high of 55.9°F (13.3°C), followed by May with its high of 67.6°F (19.8°C). The same period experiencing a uniform range of rainfalls between 2.48" (63mm) to 2.87" (73mm) respectively.
Summer weather in Westfield
Summer in Westfield brings in the highest temperatures with an average maximum of 81.7°F (27.6°C) in July, accompanied by a minimum average of 61.3°F (16.3°C). Despite the commanding heat, rainfall is still part of the summer narrative, peaking at 2.95" (75mm) in July.
Autumn weather in Westfield
Autumn invites a declined temperature range from 72.1°F (22.3°C) in September to 46.8°F (8.2°C) in November. Concurrently, the amount of precipitation also fluctuates, from 2.01" (51mm) in September to 2.8" (71mm) in November.
Winter weather in Westfield
Winter is prominent in Westfield with January exhibiting the coldest average high temperature at 30.6°F (-0.8°C) and an average low at 18°F (-7.8°C). During this chilly time, the city also hosts the greatest snowfall depth, reaching up to 5.59" (142mm) in February.
Weather in January
Westfield, Massachusetts sees a chilly start to the year in January, characterized by cooler temperatures and a fair amount of snowfall. January is the coldest month with average lows of 18°F (-7.8°C) and highs of 30.6°F (-0.8°C), coupled with a considerable amount of snow - averaging 4.69" (119mm). Weather in January »
Weather in February
The frosty clasp of winter continues to linger in February. However, the weather conditions aren't static, and a slight rise in temperature can be noted from that in January. The average high in February is a tad warmer at 34°F (1.1°C), and the snowfall shows a marginal increase, registering an average of 5.59" (142mm). Weather in February »
Weather in March
As March sets in, there's a noticeable uplift in the weather conditions. The transition from winter towards spring is evident in rising temperatures and reduced snowfall. Beginning the descent from the winter snow accumulation, the average snowfall in this month considerably drops to 4.53" (115mm). Weather in March »
Weather in April
April marks the arrival of spring in Westfield, characterized by warmer temperatures and blooms bursting forth in parks and gardens. Compared to March, the snowfall plunges dramatically to 0.87" (22mm), signaling the end of winter. Weather in April »
Weather in May
The weather in May is marked by the city basking in more warmth and sunshine. The snow has completely melted away, and the city gets enveloped in the freshness and beauty of spring. The average high temperature noticeably jumps to 67.6°F (19.8°C), accompanying a spell of fine weather. Weather in May »
Weather in June
In June, summer begins in earnest. However, despite being the onset of summer, June isn’t the hottest month but still experiences high average temperatures. With a bearable high temperature of 75.6°F (24.2°C), June ushers in a comfortable openness to outdoor exploration. Weather in June »
Weather in July
July is the peak of summer and also the warmest month in Westfield, Massachusetts. The high temperature hits a maximum of 81.7°F (27.6°C), making it an ideal time for typical summer activities. Despite the soaring temperatures, Westfield ensures a multitude of refreshing water-based recreational activities. Weather in July »
Weather in August
In August, the sultry summer continues, albeit with a slight dip in temperature from the July peak. The weather remains vibrant with high temperatures hovering around 79.7°F (26.5°C). Despite being a warm month, it emerges as a time for enjoying the immense natural beauty of Westfield. Weather in August »
Weather in September
The month of September signifies the beginning of fall, marked by cooler temperatures and shorter days. From the summer high, temperatures begin to moderate, and the average highs go down to a pleasant 72.1°F (22.3°C). The city begins to be adorned in the autumnal hues of oranges and reds, a sight cherished by many. Weather in September »
Weather in October
October continues the fall season, bringing in much cooler temperatures and scenic fall colors. Compared to September, the dropping temperatures signal the nearing winter. Weather conditions encourage Westfield residents to enjoy the last few weeks of relatively warm weather before the onset of the cold winter months. Weather in October »
Weather in November
The winter's preliminary signs can be witnessed in November with a considerable dip in temperature. The city starts its preparation for the winter season as average high temperatures drop to 46.8°F (8.2°C). Activities begin to shift indoors as the temperatures drop steadily. Weather in November »
Weather in December
Wrapping up the year, December brings in the full swing of winter. Temperatures decrease even further, dropping to a low average of 25.5°F (-3.6°C), and the city experiences a high snowfall average of 4.33" (110mm), setting a wintry scene. Weather in December »
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
The coldest month is January, with an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 18°F (-7.8°C).
How much does it rain?
Throughout the year, there are 169.1 rainfall days, and 32.56" (827mm) of precipitation is accumulated.
When does it snow in Westfield?
January through May, October through December are months with snowfall in Westfield.
How many days does it snow?
In Westfield, during the entire year, snow falls for 37.4 days and aggregates up to 21.77" (553mm) of snow.
What is the month with the lowest UV index?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
What is the most humid month?
The most humid month is February, with an average relative humidity of 82%.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 9.5 days and typically aggregates up to 5.59" (142mm) of snow.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 4.6h of sunshine.
When is Daylight Saving Time (DST) in Westfield?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Westfield, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month in Westfield?
April is the least humid month, with an average relative humidity of 72%.
When it does not snow?
In Westfield, snow does not fall in June through September.
When are the longest days?
With an average of 15h and 12min of daylight, June has the longest days of the year.
What is the month with the highest UV index?
With an average maximum UV index of 6, June is the month with the highest UV index.
What is the warmest month?
July stands out as Westfield's warmest month, with temperatures ranging between an average high of 81.7°F (27.6°C) and a low of 61.3°F (16.3°C).
What are the months with the most sunshine?
The months with the most sunshine are July and August, with an average of 10.2h of sunshine.
What is the driest month?
September is the month with the least rainfall. Rain falls for 13.7 days and accumulates 2.01" (51mm) of precipitation.
What is the rainiest month?
The wettest months are October and December, with an average 3.27" (83mm) of rainfall.
What is the month with the shortest days?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Westfield, MA
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure
Westfield, MA
- Average pressure in January:
30.03"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Westfield, MA
- Average wind speed in January:
8.1mph - Average wind speed in February:
8.1mph - Average wind speed in March:
8.1mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5mph - Average wind speed in September:
5.6mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.8mph
The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Westfield, MA
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Westfield, MA
- Average rainfall in January:
2.24" - Average rainfall in February:
2.36" - Average rainfall in March:
2.48" - Average rainfall in April:
2.72" - Average rainfall in May:
2.87" - Average rainfall in June:
2.91"
- Average rainfall in July:
2.95" - Average rainfall in August:
2.68" - Average rainfall in September:
2.01" - Average rainfall in October:
3.27" - Average rainfall in November:
2.8" - Average rainfall in December:
3.27"
The wettest months (with the highest rainfall) are October and December (3.27").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days
Westfield, MA
- Average rainfall days in January:
8.9 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
13.4 days - Average rainfall days in April:
16 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
17.5 days
- Average rainfall days in July:
17.6 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
13.7 days - Average rainfall days in October:
14.5 days - Average rainfall days in November:
11.5 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is January (8.9 days).
Average snowfall
Westfield, MA
- Average snowfall in January:
4.69" - Average snowfall in February:
5.59" - Average snowfall in March:
4.53" - Average snowfall in April:
0.87" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Westfield, MA
- Average snowfall days in January:
9.3 days - Average snowfall days in February:
9.5 days - Average snowfall days in March:
8.1 days - Average snowfall days in April:
1.2 days - Average snowfall days in May:
0.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.6 days - Average snowfall days in November:
2 days - Average snowfall days in December:
6.5 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Westfield, MA
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
Westfield, MA
- Average sunshine days in January:
16.2 days - Average sunshine days in February:
12.3 days - Average sunshine days in March:
12.9 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
11.4 days - Average sunshine days in September:
13.5 days - Average sunshine days in October:
13.7 days - Average sunshine days in November:
16.1 days - Average sunshine days in December:
14.6 days
The month with the most sunshine days is January (16.2 days).
The month with the least sunshine days is June (10.3 days).
Average UV index
Westfield, MA
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Westfield, MA
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Westfield, MA
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
Westfield, Massachusetts, USA
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