Climate and monthly weather forecastWeston, MA
Climate and monthly weather forecast
Weather in January
January, like December, in Weston, Massachusetts, is a wintry winter month, with an average temperature varying between 21.6°F (-5.8°C) and 33.3°F (0.7°C). Weston records the coldest temperatures in January, averaging a high of 33.3°F (0.7°C) and a low of 21.6°F (-5.8°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Weston, Massachusetts, with an average temperature ranging between max 36.1°F (2.3°C) and min 22.5°F (-5.3°C). The shift into February records an average high-temperature of a still icy 36.1°F (2.3°C), subtly varied from January's 33.3°F (0.7°C). Weather in February »Weather in March
March, the first month of the spring in Weston, is a frosty month, with temperature in the range of an average low of 29.7°F (-1.3°C) and an average high of 43.3°F (6.3°C). In March, the average high-temperature marginally rises from a cold 36.1°F (2.3°C) in February to a frosty 43.3°F (6.3°C). Weather in March »Weather in April
April in Weston, Massachusetts, is a refreshing spring month, with an average temperature fluctuating between 39.7°F (4.3°C) and 55.9°F (13.3°C). With the onset of April, Weston's weather sees a temperature rise, transitioning from a frosty 43.3°F (6.3°C) in March to a refreshing 55.9°F (13.3°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Weston, Massachusetts, with an average temperature ranging between max 66.9°F (19.4°C) and min 49.6°F (9.8°C). With the onset of May, Weston's weather sees a temperature rise, transitioning from a moderate 55.9°F (13.3°C) in April to a comfortable 66.9°F (19.4°C). Weather in May »Weather in June
June, the first month of the summer in Weston, is a warm month, with an average temperature fluctuating between 56.8°F (13.8°C) and 75.4°F (24.1°C). June brings a slight increase in the average high-temperature, progressing from a refreshing 66.9°F (19.4°C) in May to a moderately hot 75.4°F (24.1°C). Weather in June »Weather in July
July, like June, in Weston, Massachusetts, is another warm summer month, with an average temperature ranging between min 64°F (17.8°C) and max 82°F (27.8°C). Weston experiences its highest average temperatures in July, reaching a peak of 82°F (27.8°C) and a minimum of 64°F (17.8°C). For July, the heat index is appraised at a hot 87.8°F (31°C). Weather in July »Weather in August
August, the last month of the summer in Weston, is also a moderately hot month, with an average temperature ranging between min 63°F (17.2°C) and max 81°F (27.2°C). With the onset of August, a modest change to a still warm 81°F (27.2°C) from July's 82°F (27.8°C) is noted in high-temperature. Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Weston, Massachusetts, with an average temperature varying between 56.3°F (13.5°C) and 73.2°F (22.9°C). September witnesses a gentle descent in average high-temperature, descending from August's moderately hot 81°F (27.2°C) to an agreeable 73.2°F (22.9°C). Weather in September »Weather in October
October, the same as September, in Weston, Massachusetts, is another mild autumn month, with an average temperature varying between 60.6°F (15.9°C) and 46.9°F (8.3°C). Weston observes a minor decrease in the average high-temperature with the arrival of October, falling from September's pleasant 73.2°F (22.9°C) to a refreshing 60.6°F (15.9°C). Weather in October »Weather in November
November, the last month of the autumn in Weston, is also a frosty month, with an average temperature fluctuating between 36.5°F (2.5°C) and 49.1°F (9.5°C). The shift to November brings a decrease in the average high-temperature, falling from a mild 60.6°F (15.9°C) in October to a frosty 49.1°F (9.5°C). Weather in November »Weather in December
December, the first month of the winter in Weston, is also a wintry month, with an average temperature ranging between max 39.2°F (4°C) and min 28.6°F (-1.9°C). Setting in of December comes with a decrease in the average high-temperature, moving from a frosty 49.1°F (9.5°C) in November to a cold 39.2°F (4°C). Weather in December »Updated: Jun 12, 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
January is the coldest month in Weston, exhibiting average temperatures of 33.3°F (0.7°C) at the peak and 21.6°F (-5.8°C) at the base.
Throughout the year, there are 106.3 rainfall days, and 8.5" (216mm) of precipitation is accumulated.
January through May, November and December are months with snowfall.
Throughout the year, there are 19.6 snowfall days, and 4.02" (102mm) of snow is accumulated.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
With an average relative humidity of 78%, February is the most humid month.
The month with the least sunshine is February, with an average of 4.7h of sunshine.
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.
April is the least humid month, with an average relative humidity of 70%.
The months with the most rainfall in Weston are April and November, with an average 0.87" (22mm) of precipitation.
June through October are months without snowfall.
June has the longest days of the year, with an average of 15h and 12min of daylight.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
July brings the highest temperatures, with an average high of 82°F (27.8°C) and an average low of 64°F (17.8°C).
With an average of 10.5h of sunshine, August has the most sunshine of the year.
September is the month with the least rainfall. Rain falls for 8.3 days and accumulates 0.35" (9mm) of precipitation.
The month with the most snowfall is December, when snow falls for 3.1 days and typically aggregates up to 1.14" (29mm) of snow.
With an average of 9h and 6min of daylight, December has the shortest days of the year.
Average temperature
Weston, MA
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.3°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
Weston, 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:
29.92"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.97"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 (29.92"Hg).
Average wind speed
Weston, MA
- Average wind speed in January:
9.1mph - Average wind speed in February:
8.9mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.2mph - Average wind speed in May:
7mph - Average wind speed in June:
6.4mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.5mph - Average wind speed in November:
8mph - Average wind speed in December:
8.5mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity
Weston, MA
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).
Average rainfall
Weston, MA
- Average rainfall in January:
0.59" - Average rainfall in February:
0.55" - Average rainfall in March:
0.71" - Average rainfall in April:
0.87" - Average rainfall in May:
0.75" - Average rainfall in June:
0.83"
- Average rainfall in July:
0.75" - Average rainfall in August:
0.67" - Average rainfall in September:
0.35" - Average rainfall in October:
0.79" - Average rainfall in November:
0.87" - Average rainfall in December:
0.79"
The wettest months (with the highest rainfall) are April and November (0.87").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days
Weston, MA
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
8.9 days - Average rainfall days in April:
11.2 days - Average rainfall days in May:
10.6 days - Average rainfall days in June:
11.8 days
- Average rainfall days in July:
12.4 days - Average rainfall days in August:
10 days - Average rainfall days in September:
8.3 days - Average rainfall days in October:
8.9 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
6.6 days
The month with the highest number of rainy days is July (12.4 days).
The month with the least rainy days is January (5.3 days).
Average snowfall
Weston, MA
- Average snowfall in January:
0.67" - Average snowfall in February:
0.94" - Average snowfall in March:
0.98" - Average snowfall in April:
0.16" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is December (1.14").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Weston, MA
- Average snowfall days in January:
4.4 days - Average snowfall days in February:
5.4 days - Average snowfall days in March:
5.2 days - Average snowfall days in April:
0.9 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:
0.5 days - Average snowfall days in December:
3.1 days
The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Weston, 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 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
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 6min).
- Average sunshine in January:
5h and 12min - 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 24min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
10h and 18min - 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 36min - Average sunshine in December:
5h and 0min
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
Weston, MA
- Average sunshine days in January:
22.2 days - Average sunshine days in February:
18.6 days - Average sunshine days in March:
18.3 days - Average sunshine days in April:
16.6 days - Average sunshine days in May:
17 days - Average sunshine days in June:
15.8 days
- Average sunshine days in July:
16.2 days - Average sunshine days in August:
17.8 days - Average sunshine days in September:
19.4 days - Average sunshine days in October:
18.8 days - Average sunshine days in November:
21.6 days - Average sunshine days in December:
21.4 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is June (15.8 days).
Average UV index
Weston, 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
Weston, MA
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Weston, 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).
