Climate and monthly weather forecastChartley, MA
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Chartley, Massachusetts, with temperature in the range of an average low of 22.5°F (-5.3°C) and an average high of 34.3°F (1.3°C). Chartley experiences its lowest temperatures in January, with an average peak of 34.3°F (1.3°C) and a low of 22.5°F (-5.3°C). Weather in January »Weather in February
February, the last month of the winter in Chartley, is also a wintry month, with an average temperature ranging between min 23.4°F (-4.8°C) and max 37.6°F (3.1°C). With the onset of February, Chartley's average high-temperature clocks in at a still wintry 37.6°F (3.1°C), showing a minor fluctuation from the previous month. Weather in February »Weather in March
March, the first month of the spring in Chartley, is a frosty month, with an average temperature ranging between min 30.6°F (-0.8°C) and max 44.2°F (6.8°C). The arrival of March signals a slight increase in the average high-temperature, moving from a cold 37.6°F (3.1°C) in February to a frosty 44.2°F (6.8°C). Weather in March »Weather in April
April is a moderate spring month in Chartley, Massachusetts, with temperature in the range of an average high of 55.9°F (13.3°C) and an average low of 40.3°F (4.6°C). The shift into April is accompanied by a temperature increase, with the average high-temperature rising from a chilly 44.2°F (6.8°C) in March to a moderate 55.9°F (13.3°C). Weather in April »Weather in May
May, the last month of the spring in Chartley, is a comfortable month, with an average temperature varying between 66.7°F (19.3°C) and 49.6°F (9.8°C). The shift into May is accompanied by a temperature increase, with the average high-temperature rising from a refreshing 55.9°F (13.3°C) in April to a comfortable 66.7°F (19.3°C). Weather in May »Weather in June
June, the first month of the summer in Chartley, is a moderately hot month, with an average temperature varying between 56.7°F (13.7°C) and 74.1°F (23.4°C). The onset of June marks a slight increase in the average high-temperature, moving from a refreshing 66.7°F (19.3°C) in May to a warm 74.1°F (23.4°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Chartley, Massachusetts, with an average temperature fluctuating between 63.7°F (17.6°C) and 81.9°F (27.7°C). July brings the highest temperatures, with an average high of 81.9°F (27.7°C) and an average low of 63.7°F (17.6°C). July's average 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 also a moderately hot month in Chartley, Massachusetts, with temperature in the range of an average low of 62.4°F (16.9°C) and an average high of 80.4°F (26.9°C). Welcoming August, Chartley notes an average high-temperature of a still warm 80.4°F (26.9°C), nearly consistent with 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 Chartley, Massachusetts, with an average temperature varying between 56.1°F (13.4°C) and 72.9°F (22.7°C). With the onset of September, Chartley's average high-temperature slightly adjusts, moderately receding from August's moderately hot 80.4°F (26.9°C) to an agreeable 72.9°F (22.7°C). Weather in September »Weather in October
October, like September, in Chartley, Massachusetts, is another comfortable autumn month, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 61.5°F (16.4°C). During Chartley's transition into October, the average high-temperature lessens, moving from a pleasant 72.9°F (22.7°C) in September to a comfortable 61.5°F (16.4°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Chartley, Massachusetts, with temperature in the range of an average low of 37.2°F (2.9°C) and an average high of 50°F (10°C). November's onset corresponds with a shift in the average high-temperature, moving from an enjoyable 61.5°F (16.4°C) in October to a cool 50°F (10°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Chartley, Massachusetts, with an average temperature fluctuating between 29.3°F (-1.5°C) and 40.1°F (4.5°C). Arrival of December comes with a reduction in the average high-temperature, falling from a cool 50°F (10°C) in November to a cold 40.1°F (4.5°C). Weather in December »Updated: Jul 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, with its average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 22.5°F (-5.3°C), holds the record as the coldest month.
In Chartley, during the entire year, the rain falls for 149.9 days and collects up to 29.09" (739mm) of precipitation.
January through May, November and December are months with snowfall in Chartley.
In Chartley, during the entire year, snow falls for 29.8 days and aggregates up to 14.13" (359mm) of snow.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
The months with the highest humidity are February, June, September and October, with an average relative humidity of 78%.
With an average of 4.7h of sunshine, February has the least sunshine of the year.
The month with the most snowfall is March, when snow falls for 7.3 days and typically aggregates up to 4.06" (103mm) of 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.
The least humid month is April, with an average relative humidity of 71%.
The month with the most rainfall is April, when the rain falls for 15.7 days and typically aggregates up to 3.11" (79mm) of precipitation.
In Chartley, snow does not fall in June through October.
With an average of 15h and 12min of daylight, June has the longest days of the year.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
Chartley's July weather, marked by an average high temperature of 81.9°F (27.7°C) and an average low temperature of 63.7°F (17.6°C), is the warmest in the year.
With an average of 10.4h of sunshine, August has the most sunshine of the year.
The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.34" (34mm) of precipitation.
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Chartley, 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 (34.3°F).
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure
Chartley, 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:
30.04"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
Chartley, MA
- Average wind speed in January:
9.2mph - Average wind speed in February:
9.3mph - Average wind speed in March:
9.3mph - Average wind speed in April:
8.8mph - Average wind speed in May:
7.6mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.1mph - Average wind speed in September:
6.7mph - Average wind speed in October:
7.8mph - Average wind speed in November:
8.2mph - Average wind speed in December:
8.6mph
The windiest months (with the highest average wind speed) are February and March (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity
Chartley, MA
The months with the highest relative humidity are February, June, September and October (78%).
The month with the lowest relative humidity is April (71%).
Average rainfall
Chartley, MA
- Average rainfall in January:
2.48" - Average rainfall in February:
2.2" - Average rainfall in March:
2.95" - Average rainfall in April:
3.11" - Average rainfall in May:
2.17" - Average rainfall in June:
2.4"
- Average rainfall in July:
2.24" - Average rainfall in August:
1.97" - Average rainfall in September:
1.34" - Average rainfall in October:
2.83" - Average rainfall in November:
2.44" - Average rainfall in December:
2.95"
The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days
Chartley, MA
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
9.2 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
15 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
13.6 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
11.2 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (8.3 days).
Average snowfall
Chartley, MA
- Average snowfall in January:
2.72" - Average snowfall in February:
3.35" - Average snowfall in March:
4.06" - Average snowfall in April:
0.83" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is March (4.06").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Chartley, MA
- Average snowfall days in January:
7.8 days - Average snowfall days in February:
7 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
1.3 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:
1.2 days - Average snowfall days in December:
5.1 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Chartley, 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 6min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 24min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Chartley, MA
- Average sunshine days in January:
17.1 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
13.4 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
13 days
- Average sunshine days in July:
14.2 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
15.8 days - Average sunshine days in October:
15.2 days - Average sunshine days in November:
17.9 days - Average sunshine days in December:
16.2 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (12.8 days).
Average UV index
Chartley, 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
Chartley, MA
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Chartley, MA
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
