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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, the same as December, is an icy winter month in Winchester, Massachusetts, with an average temperature fluctuating between 21.6°F (-5.8°C) and 33.1°F (0.6°C). In Winchester, the lowest average temperatures are observed in January, with a high of 33.1°F (0.6°C) and a low of 21.6°F (-5.8°C). Weather in January »
Weather in February
February, the last month of the winter in Winchester, is another cold month, with temperature in the range of an average high of 36.1°F (2.3°C) and an average low of 22.8°F (-5.1°C). The transition into February is marked with an average high-temperature of a still wintry 36.1°F (2.3°C), showing an insignificant shift from January's 33.1°F (0.6°C). Weather in February »
Weather in March
March, the first month of the spring in Winchester, is a chilly month, with an average temperature varying between 30°F (-1.1°C) and 43°F (6.1°C). A soft shift in the average high-temperature is noticeable in March, transitioning from an icy 36.1°F (2.3°C) in February to a frosty 43°F (6.1°C). Weather in March »
Weather in April
April is a refreshing spring month in Winchester, Massachusetts, with an average temperature varying between 55.6°F (13.1°C) and 39.7°F (4.3°C). Winchester's transition into April brings a rise in the average high-temperature, moving from a frosty 43°F (6.1°C) in March to a refreshing 55.6°F (13.1°C). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Winchester, Massachusetts, with an average temperature varying between 66.7°F (19.3°C) and 49.3°F (9.6°C). The shift from April to May is marked by an increase in the average high-temperature, moving from a mild 55.6°F (13.1°C) to a still refreshing 66.7°F (19.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Winchester, Massachusetts, with an average temperature fluctuating between 57°F (13.9°C) and 74.8°F (23.8°C). June witnesses a subtle temperature ascent, adjusting from a comfortable 66.7°F (19.3°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 a moderately hot summer month in Winchester, Massachusetts, with an average temperature fluctuating between 64.6°F (18.1°C) and 82°F (27.8°C). Winchester's July weather, with an average high temperature of 82°F (27.8°C) and an average low temperature of 64.6°F (18.1°C), tends to be the warmest of the year. July's heat index is calculated to be a hot 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Winchester, is another warm month, with an average temperature fluctuating between 80.6°F (27°C) and 63.3°F (17.4°C). The arrival of August sees a recorded average high-temperature of a still warm 80.6°F (27°C), showing little divergence from the previous month's conditions. Weather in August »
Weather in September
September, the first month of the autumn in Winchester, is still a pleasant month, with temperature in the range of an average low of 56.7°F (13.7°C) and an average high of 72.5°F (22.5°C). September sees a slight reduction in average high-temperature, with a shift from a warm 80.6°F (27°C) in August to an agreeable 72.5°F (22.5°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Winchester, Massachusetts, with temperature in the range of an average high of 60.6°F (15.9°C) and an average low of 47.3°F (8.5°C). With the beginning of October, the average high-temperature shows a decrease, transitioning from a pleasant 72.5°F (22.5°C) in September to a refreshing 60.6°F (15.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Winchester, Massachusetts, with temperature in the range of an average low of 36.7°F (2.6°C) and an average high of 49.1°F (9.5°C). November shows a mild decline in the average high-temperature, falling from October's refreshing 60.6°F (15.9°C) to a chilly 49.1°F (9.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Winchester, Massachusetts, with an average temperature varying between 28.9°F (-1.7°C) and 38.8°F (3.8°C). During the transition into December, Winchester observes a decrease in the average high-temperature, falling from a frosty 49.1°F (9.5°C) in November to a wintry 38.8°F (3.8°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 is the coldest month?
With average temperatures fluctuating between a high of 33.1°F (0.6°C) and a low of 21.6°F (-5.8°C), January stands out as the coldest month.
How much does it rain?
Throughout the year, there are 138.8 rainfall days, and 26.85" (682mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
How many days does it snow?
In Winchester, during the entire year, snow falls for 30.6 days and aggregates up to 18.86" (479mm) of snow.
When is the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month?
With an average relative humidity of 78%, February is the most humid month.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 7.3 days and accumulates 4.96" (126mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 4.6h of sunshine.
When is Daylight Saving Time (DST) in Winchester?
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?
April is the least humid month, with an average relative humidity of 69%.
When it does not snow?
In Winchester, snow does not fall in June through September.
When are the longest days?
June has the longest days of the year, with an average of 15h and 12min of daylight.
What are the months with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What is the warmest month in Winchester?
July, recording an average high temperature of 82°F (27.8°C) and a low temperature of 64.6°F (18.1°C), is Winchester's warmest month.
What month has the most sunshine?
With an average of 10.5h of sunshine, August has the most sunshine of the year.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 10.3 days and typically collects 1.22" (31mm) of precipitation.
What is the wettest month?
The month with the most rainfall is December, when the rain falls for 9.2 days and typically aggregates up to 2.87" (73mm) of precipitation.
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
Winchester, MA
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.1°F).
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
Winchester, 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
Winchester, MA
- Average wind speed in January:
9.4mph - Average wind speed in February:
9.2mph - Average wind speed in March:
9mph - Average wind speed in April:
8.4mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
6mph - Average wind speed in August:
5.9mph - Average wind speed in September:
6.5mph - Average wind speed in October:
7.8mph - Average wind speed in November:
8.3mph - Average wind speed in December:
8.9mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity
Winchester, MA
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (69%).
Average rainfall
Winchester, MA
- Average rainfall in January:
2.2" - Average rainfall in February:
2.13" - Average rainfall in March:
2.72" - Average rainfall in April:
2.76" - Average rainfall in May:
1.97" - Average rainfall in June:
2.2"
- Average rainfall in July:
1.89" - Average rainfall in August:
1.65" - Average rainfall in September:
1.22" - Average rainfall in October:
2.6" - Average rainfall in November:
2.64" - Average rainfall in December:
2.87"
The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days
Winchester, MA
- Average rainfall days in January:
7.4 days - Average rainfall days in February:
8.2 days - Average rainfall days in March:
10.7 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
15.5 days - Average rainfall days in June:
14.1 days
- Average rainfall days in July:
14 days - Average rainfall days in August:
11.5 days - Average rainfall days in September:
10.3 days - Average rainfall days in October:
13.3 days - Average rainfall days in November:
10 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.4 days).
Average snowfall
Winchester, MA
- Average snowfall in January:
3.03" - Average snowfall in February:
4.96" - Average snowfall in March:
4.45" - Average snowfall in April:
1.14" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Winchester, MA
- Average snowfall days in January:
7.5 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
1.4 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:
1.4 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Winchester, 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 0min - 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 4min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 3min - Average sunshine in September:
8h and 2min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 2min - 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 36min).
Average sunshine days
Winchester, MA
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
14.2 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
13.7 days - Average sunshine days in June:
14.3 days
- Average sunshine days in July:
16.1 days - Average sunshine days in August:
17 days - Average sunshine days in September:
17.6 days - Average sunshine days in October:
15.7 days - Average sunshine days in November:
17.8 days - Average sunshine days in December:
17.2 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is April (13.3 days).
Average UV index
Winchester, 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
Winchester, MA
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Winchester, MA
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
Winchester, Massachusetts, USA
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