Climate and monthly weather forecastWestwood, MA
Climate and monthly weather forecast
Weather in January
January, like December, in Westwood, Massachusetts, is a wintry winter month, with temperature in the range of an average low of 22.3°F (-5.4°C) and an average high of 34.3°F (1.3°C). Westwood's January weather, with an average high temperature of 34.3°F (1.3°C) and an average low temperature of 22.3°F (-5.4°C), tends to be the coldest of the year. Weather in January »Weather in February
February, the last month of the winter in Westwood, is also a wintry month, with an average temperature ranging between min 23.2°F (-4.9°C) and max 36.9°F (2.7°C). Westwood marks the onset of February with an average high-temperature of a still wintry 36.9°F (2.7°C), a subtle shift from January's 34.3°F (1.3°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Westwood, Massachusetts, with an average temperature fluctuating between 44.1°F (6.7°C) and 30.6°F (-0.8°C). A slight uplift of average high-temperatures is noted in March, with temperatures adjusting from a cold 36.9°F (2.7°C) in February to a frosty 44.1°F (6.7°C). Weather in March »Weather in April
April is a mild spring month in Westwood, Massachusetts, with an average temperature ranging between max 55.9°F (13.3°C) and min 40.1°F (4.5°C). Westwood sees a rise in temperature during April, with average high-temperatures transitioning from a chilly 44.1°F (6.7°C) in March to a mild 55.9°F (13.3°C). Weather in April »Weather in May
May, the last month of the spring in Westwood, is a comfortable month, with an average temperature varying between 66.9°F (19.4°C) and 49.6°F (9.8°C). May's arrival signals a temperature shift, moving from a moderate 55.9°F (13.3°C) in April to a still refreshing 66.9°F (19.4°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Westwood, Massachusetts, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 74.8°F (23.8°C). June brings a slight increase in the average high-temperature, progressing from a comfortable 66.9°F (19.4°C) in May to a moderately hot 74.8°F (23.8°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Westwood, Massachusetts, with an average temperature fluctuating between 64°F (17.8°C) and 82°F (27.8°C). The highest temperatures are recorded in July, with averages reaching a high of 82°F (27.8°C) and a low of 64°F (17.8°C). For most parts of July, the heat index is estimated at a tropical 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Westwood, Massachusetts, with an average temperature ranging between max 81°F (27.2°C) and min 62.8°F (17.1°C). The arrival of August brings an average high-temperature of a still moderately hot 81°F (27.2°C), subtly diverging from July's 82°F (27.8°C). Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Westwood, Massachusetts, with temperature in the range of an average high of 72.9°F (22.7°C) and an average low of 56.3°F (13.5°C). The onset of September is marked by a minor decrease in temperature, transitioning from a warm 81°F (27.2°C) in August to a pleasant 72.9°F (22.7°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Westwood, Massachusetts, with temperature in the range of an average low of 47.5°F (8.6°C) and an average high of 61.7°F (16.5°C). Westwood observes a minor decrease in the average high-temperature with the arrival of October, falling from September's pleasant 72.9°F (22.7°C) to a comfortable 61.7°F (16.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Westwood, Massachusetts, with an average temperature fluctuating between 37°F (2.8°C) and 49.6°F (9.8°C). Welcoming November, Westwood observes a shift in the average high-temperature, falling from October's enjoyable 61.7°F (16.5°C) to a chilly 49.6°F (9.8°C). Weather in November »Weather in December
December, the first month of the winter in Westwood, is also an icy month, with an average temperature fluctuating between 40.1°F (4.5°C) and 28.9°F (-1.7°C). Start of December brings a shift in the average high-temperature, falling from November's chilly 49.6°F (9.8°C) to a cold 40.1°F (4.5°C). Weather in December »Updated: Jul 11, 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
Westwood records the coldest temperatures in January, averaging a high of 34.3°F (1.3°C) and a low of 22.3°F (-5.4°C).
Throughout the year, there are 97.1 rainfall days, and 7.13" (181mm) of precipitation is accumulated.
Months with snowfall are January through May, November and December.
In Westwood, during the entire year, snow falls for 19.5 days and aggregates up to 3.74" (95mm) of snow.
The months with the lowest UV index in Westwood are January through March, November and December, with an average maximum UV index of 2.
February is the most humid month, with an average relative humidity of 78%.
With an average of 4.7h of sunshine, February has the least sunshine of the year.
The months with the most snowfall are March and December, with an average 0.91" (23mm) of accumulated snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
With an average relative humidity of 70%, April is the least humid month in Westwood.
The month with the most rainfall is April, when the rain falls for 9.8 days and typically aggregates up to 0.79" (20mm) of precipitation.
June through October are months without snowfall.
June has the longest days of the year in Westwood, with an average of 15h and 12min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
In Westwood, Massachusetts, the average temperatures in July are the highest, with a peak at 82°F (27.8°C) and a low of 64°F (17.8°C).
August has the most sunshine of the year, with an average of 10.5h of sunshine.
September is the month with the least rainfall. Rain falls for 7.2 days and accumulates 0.31" (8mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 12min of daylight.
Average temperature
Westwood, MA
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.3°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure
Westwood, MA
- Average pressure in January:
30.01"Hg - Average pressure in February:
29.99"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
30.01"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:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.03"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Westwood, MA
- Average wind speed in January:
8.9mph - Average wind speed in February:
8.9mph - Average wind speed in March:
8.9mph - Average wind speed in April:
8.4mph - Average wind speed in May:
7.2mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
6mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.5mph - Average wind speed in October:
7.5mph - Average wind speed in November:
7.9mph - Average wind speed in December:
8.4mph
The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity
Westwood, MA
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).
Average rainfall
Westwood, MA
- Average rainfall in January:
0.55" - Average rainfall in February:
0.47" - Average rainfall in March:
0.59" - Average rainfall in April:
0.79" - Average rainfall in May:
0.59" - Average rainfall in June:
0.63"
- Average rainfall in July:
0.67" - Average rainfall in August:
0.55" - Average rainfall in September:
0.31" - Average rainfall in October:
0.63" - Average rainfall in November:
0.67" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is April (0.79").
The driest month (with the least rainfall) is September (0.31").
Average rainfall days
Westwood, MA
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
5.1 days - Average rainfall days in March:
8.3 days - Average rainfall days in April:
9.8 days - Average rainfall days in May:
10.2 days - Average rainfall days in June:
9.5 days
- Average rainfall days in July:
11.7 days - Average rainfall days in August:
8.8 days - Average rainfall days in September:
7.2 days - Average rainfall days in October:
8.1 days - Average rainfall days in November:
6 days - Average rainfall days in December:
6.6 days
The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is February (5.1 days).
Average snowfall
Westwood, MA
- Average snowfall in January:
0.59" - Average snowfall in February:
0.83" - Average snowfall in March:
0.91" - Average snowfall in April:
0.16" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The months with the highest snowfall are March and December (0.91").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Westwood, MA
- Average snowfall days in January:
5 days - Average snowfall days in February:
4.5 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
0.7 days - Average snowfall days in May:
0.1 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 days - Average snowfall days in November:
1.4 days - Average snowfall days in December:
3 days
The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Westwood, MA
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
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 6min - Average sunshine in February:
4h and 42min - Average sunshine in March:
5h and 48min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 30min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Westwood, MA
- Average sunshine days in January:
21.3 days - Average sunshine days in February:
19.4 days - Average sunshine days in March:
18.5 days - Average sunshine days in April:
17.8 days - Average sunshine days in May:
18.3 days - Average sunshine days in June:
17 days
- Average sunshine days in July:
16.8 days - Average sunshine days in August:
19.8 days - Average sunshine days in September:
20.9 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
22 days - Average sunshine days in December:
21.1 days
The month with the most sunshine days is November (22 days).
The month with the least sunshine days is July (16.8 days).
Average UV index
Westwood, MA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Westwood, MA
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Westwood, MA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
