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Contents
- 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
Weather in January
January, like December, in Wellesley Hills, Massachusetts, is a wintry winter month, with an average temperature ranging between min 21.7°F (-5.7°C) and max 33.6°F (0.9°C). In Wellesley Hills, the lowest average temperatures are observed in January, with a high of 33.6°F (0.9°C) and a low of 21.7°F (-5.7°C). Weather in January »
Weather in February
February, the last month of the winter in Wellesley Hills, is another cold month, with an average temperature fluctuating between 23°F (-5°C) and 36.3°F (2.4°C). Wellesley Hills observes a minor difference in average high-temperatures between January's 33.6°F (0.9°C) and February's 36.3°F (2.4°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Wellesley Hills, Massachusetts, with temperature in the range of an average high of 43.3°F (6.3°C) and an average low of 30°F (-1.1°C). March showcases a minor temperature ascent, adjusting from February's cold 36.3°F (2.4°C) to a chilly 43.3°F (6.3°C). Weather in March »
Weather in April
April is a refreshing spring month in Wellesley Hills, Massachusetts, with an average temperature varying between 55.9°F (13.3°C) and 39.9°F (4.4°C). April witnesses an increase in the average high-temperature, moving from a frosty 43.3°F (6.3°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 Wellesley Hills, is a comfortable month, with an average temperature fluctuating between 66.7°F (19.3°C) and 49.6°F (9.8°C). Wellesley Hills's transition into May is marked by a temperature shift, moving from a moderate 55.9°F (13.3°C) in April to an enjoyable 66.7°F (19.3°C). Weather in May »
Weather in June
June, the first month of the summer in Wellesley Hills, is a warm month, with temperature in the range of an average high of 75°F (23.9°C) and an average low of 56.8°F (13.8°C). The shift into June is characterized by a subtle rise in the average high-temperature, transitioning from May's comfortable 66.7°F (19.3°C) to a warm 75°F (23.9°C). Weather in June »
Weather in July
July, like June, in Wellesley Hills, Massachusetts, is another warm summer month, with an average temperature fluctuating between 81.9°F (27.7°C) and 64°F (17.8°C). Wellesley Hills's temperature records reveal July as the warmest month, marked by average highs of 81.9°F (27.7°C) and lows of 64°F (17.8°C). July's mean 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 Wellesley Hills, 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). Wellesley Hills marks the onset of August with an average high-temperature of a still moderately hot 81°F (27.2°C), a subtle shift from July's 81.9°F (27.7°C). Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Wellesley Hills, Massachusetts, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 73°F (22.8°C). The beginning of September brings a slight decrease in the average high-temperature, transitioning from a moderately hot 81°F (27.2°C) in August to a pleasant 73°F (22.8°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Wellesley Hills, Massachusetts, with temperature in the range of an average high of 61°F (16.1°C) and an average low of 47.3°F (8.5°C). October comes with a decrease in the average high-temperature, falling from a pleasant 73°F (22.8°C) in September to an enjoyable 61°F (16.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Wellesley Hills, Massachusetts, with temperature in the range of an average low of 36.7°F (2.6°C) and an average high of 49.3°F (9.6°C). As November arrives, Wellesley Hills's weather displays a decrease in high-temperatures, transitioning from October's refreshing 61°F (16.1°C) to a chilly 49.3°F (9.6°C). Weather in November »
Weather in December
December, the first month of the winter in Wellesley Hills, is still a cold month, with an average temperature ranging between min 28.8°F (-1.8°C) and max 39.2°F (4°C). In Wellesley Hills, the beginning of December is marked by a lowered average high-temperature, shifting from November's frosty 49.3°F (9.6°C) to a cold 39.2°F (4°C). Weather in December »
Updated: Jun 4, 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 are the coldest months?
The coldest month is January, with an average high-temperature of 33.6°F (0.9°C) and an average low-temperature of 21.7°F (-5.7°C).
How many days does it rain?
Throughout the year, there are 85.9 rainfall days, and 5.87" (149mm) of precipitation is accumulated.
When does it snow in Wellesley Hills?
January through May, November and December are months with snowfall in Wellesley Hills.
How much does it snow?
In Wellesley Hills, during the entire year, snow falls for 18.8 days and aggregates up to 3.15" (80mm) of snow.
When is 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?
February is the most humid month, with an average relative humidity of 78%.
What is the month with the least sunshine in Wellesley Hills?
With an average of 4.7h of sunshine, February has the least sunshine of the year.
When is Daylight Saving Time (DST)?
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.
What is the least humid month in Wellesley Hills?
The least humid month is April, with an average relative humidity of 70%.
When it does not snow?
June through October are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What is the month with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What part of the year is the hottest?
Wellesley Hills's temperatures peak on average in July, reaching 81.9°F (27.7°C) at their highest and 64°F (17.8°C) at their lowest.
What month has the most sunshine?
With an average of 10.5h of sunshine, August has the most sunshine of the year in Wellesley Hills, Massachusetts.
What is the driest month?
September is the month with the least rainfall. Rain falls for 6.6 days and accumulates 0.24" (6mm) of precipitation.
What is the wettest month?
The month with the most rainfall is November, when the rain falls for 5.6 days and typically aggregates up to 0.67" (17mm) of precipitation.
When does it snow the most?
The month with the most snowfall is December, when snow falls for 2.6 days and typically aggregates up to 0.91" (23mm) of snow.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 6min of daylight.
Average temperature
Wellesley Hills, MA
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.6°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure
Wellesley Hills, 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:
29.98"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 (29.92"Hg).
Average wind speed
Wellesley Hills, MA
- Average wind speed in January:
9.1mph - Average wind speed in February:
8.9mph - Average wind speed in March:
8.9mph - Average wind speed in April:
8.3mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.5mph
- 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:
7.6mph - Average wind speed in November:
8mph - Average wind speed in December:
8.6mph
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
Wellesley Hills, MA
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).
Average rainfall
Wellesley Hills, MA
- Average rainfall in January:
0.43" - Average rainfall in February:
0.39" - Average rainfall in March:
0.47" - Average rainfall in April:
0.63" - Average rainfall in May:
0.51" - Average rainfall in June:
0.51"
- Average rainfall in July:
0.51" - Average rainfall in August:
0.43" - Average rainfall in September:
0.24" - Average rainfall in October:
0.51" - Average rainfall in November:
0.67" - Average rainfall in December:
0.55"
The wettest month (with the highest rainfall) is November (0.67").
The driest month (with the least rainfall) is September (0.24").
Average rainfall days
Wellesley Hills, MA
- Average rainfall days in January:
5.7 days - Average rainfall days in February:
4.1 days - Average rainfall days in March:
6.8 days - Average rainfall days in April:
9 days - Average rainfall days in May:
8.9 days - Average rainfall days in June:
8.2 days
- Average rainfall days in July:
10.2 days - Average rainfall days in August:
7.8 days - Average rainfall days in September:
6.6 days - Average rainfall days in October:
6.9 days - Average rainfall days in November:
5.6 days - Average rainfall days in December:
6.1 days
The month with the highest number of rainy days is July (10.2 days).
The month with the least rainy days is February (4.1 days).
Average snowfall
Wellesley Hills, MA
- Average snowfall in January:
0.39" - Average snowfall in February:
0.67" - Average snowfall in March:
0.75" - Average snowfall in April:
0.08" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is December (0.91").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Wellesley Hills, MA
- Average snowfall days in January:
4.9 days - Average snowfall days in February:
4.8 days - Average snowfall days in March:
4.5 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:
0.1 days - Average snowfall days in November:
0.9 days - Average snowfall days in December:
2.6 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Wellesley Hills, 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 6min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
4h and 4min - Average sunshine in March:
5h and 5min - 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 2min - Average sunshine in August:
10h and 3min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
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
Wellesley Hills, MA
- Average sunshine days in January:
22.5 days - Average sunshine days in February:
20.2 days - Average sunshine days in March:
20.3 days - Average sunshine days in April:
18.3 days - Average sunshine days in May:
18.7 days - Average sunshine days in June:
17.5 days
- Average sunshine days in July:
17.8 days - Average sunshine days in August:
19.9 days - Average sunshine days in September:
21.4 days - Average sunshine days in October:
21.7 days - Average sunshine days in November:
22.5 days - Average sunshine days in December:
22.2 days
The months with the most sunshine days are January and November (22.5 days).
The month with the least sunshine days is June (17.5 days).
Average UV index
Wellesley Hills, 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
Wellesley Hills, 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
Wellesley Hills, 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).
Wellesley Hills, Massachusetts, USA
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