Climate and monthly weather forecastBlue Hills, CT
Climate and monthly weather forecast
Weather in January
January, like December, in Blue Hills, Connecticut, is an icy winter month, with an average temperature ranging between min 21.4°F (-5.9°C) and max 33.1°F (0.6°C). Blue Hills's January weather, with an average high temperature of 33.1°F (0.6°C) and an average low temperature of 21.4°F (-5.9°C), tends to be the coldest of the year. Weather in January »Weather in February
The last month of the winter, February, is another cold month in Blue Hills, Connecticut, with an average temperature fluctuating between 21.6°F (-5.8°C) and 35.8°F (2.1°C). Blue Hills's weather in February indicates an average high-temperature of a still wintry 35.8°F (2.1°C), nearly consistent with the 33.1°F (0.6°C) of January. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Blue Hills, Connecticut, with an average temperature varying between 29.5°F (-1.4°C) and 43.9°F (6.6°C). Blue Hills, Connecticut, perceives a slight temperature ascent during March, with average high-temperatures adjusting from a cold 35.8°F (2.1°C) in February to a chilly 43.9°F (6.6°C). Weather in March »Weather in April
April in Blue Hills, Connecticut, is a mild spring month, with an average temperature ranging between max 56.5°F (13.6°C) and min 39.9°F (4.4°C). The onset of April brings a temperature shift, with the average high-temperature moving from a frosty 43.9°F (6.6°C) in March to a moderate 56.5°F (13.6°C). Weather in April »Weather in May
May, the last month of the spring in Blue Hills, is an agreeable month, with temperature in the range of an average low of 49.5°F (9.7°C) and an average high of 68.7°F (20.4°C). With the beginning of May, Blue Hills's average high-temperature sees an increase, transitioning from a moderate 56.5°F (13.6°C) in April to an agreeable 68.7°F (20.4°C). Weather in May »Weather in June
June, the first month of the summer in Blue Hills, is a moderately hot month, with an average temperature fluctuating between 56.8°F (13.8°C) and 76.5°F (24.7°C). The coming of June brings a minor shift in Blue Hills's weather, with average high-temperatures adjusting from May's agreeable 68.7°F (20.4°C) to a moderately hot 76.5°F (24.7°C). Weather in June »Weather in July
July, like June, in Blue Hills, Connecticut, is another warm summer month, with an average temperature ranging between max 82.9°F (28.3°C) and min 63.7°F (17.6°C). Blue Hills's warmest temperatures are experienced in July, with average high temperatures of 82.9°F (28.3°C) and lows of 63.7°F (17.6°C). July's average heat index is estimated at a hot 89.6°F (32°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Blue Hills, Connecticut, with an average temperature varying between 62.2°F (16.8°C) and 81°F (27.2°C). In Blue Hills, August's average high-temperature stands at a still warm 81°F (27.2°C), closely related to the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Blue Hills, Connecticut, with an average temperature ranging between max 73.4°F (23°C) and min 55.2°F (12.9°C). September brings a minor shift in the average high-temperature, adjusting from 81°F (27.2°C) in August to a still moderately hot 73.4°F (23°C). Weather in September »Weather in October
October, like September, in Blue Hills, Connecticut, is another enjoyable autumn month, with an average temperature fluctuating between 61.2°F (16.2°C) and 46.8°F (8.2°C). As September transitions into October, Blue Hills sees a drop in the average high-temperature, transitioning from a warm 73.4°F (23°C) to an enjoyable 61.2°F (16.2°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Blue Hills, Connecticut, with temperature in the range of an average high of 48.9°F (9.4°C) and an average low of 36°F (2.2°C). The onset of November introduces a moderate change in Blue Hills's weather, with average high-temperatures falling from October's enjoyable 61.2°F (16.2°C) to a frosty 48.9°F (9.4°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Blue Hills, Connecticut, with an average temperature varying between 27.7°F (-2.4°C) and 38.5°F (3.6°C). The arrival of December corresponds with a shift in temperature, down from a chilly 48.9°F (9.4°C) in November to an icy 38.5°F (3.6°C). Weather in December »Updated: Aug 16, 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, recording an average high temperature of 33.1°F (0.6°C) and a low temperature of 21.4°F (-5.9°C), is Blue Hills's coldest month.
Throughout the year, there are 113.2 rainfall days, and 10.24" (260mm) of precipitation is accumulated.
Months with snowfall are January through May, November and December.
Throughout the year, there are 21.5 snowfall days, and 4.45" (113mm) 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.
The most humid month is February, with an average relative humidity of 79%.
February is the month with the most snowfall. Snow falls for 5.7 days and accumulates 1.14" (29mm) of snow.
February has the least sunshine of the year, with an average of 4.6h 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.
With an average relative humidity of 70%, April is the least humid month.
The wettest months are June and July, with an average 1.06" (27mm) of rainfall.
June through October are months without snowfall.
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.
Blue Hills's warmest temperatures are experienced in July, with average high temperatures of 82.9°F (28.3°C) and lows of 63.7°F (17.6°C).
July and August, with an average of 10.4h of sunshine, are months with the most sunshine.
The month with the least rainfall is September, when the rain falls for 8.2 days and typically collects 0.43" (11mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 12min of daylight.
Average temperature
Blue Hills, CT
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.1°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 (21.4°F).
Average pressure
Blue Hills, CT
- Average pressure in January:
30.03"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.98"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:
30.06"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Blue Hills, CT
- Average wind speed in January:
8.1mph - Average wind speed in February:
8mph - Average wind speed in March:
8.1mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.8mph - Average wind speed in October:
6.9mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.8mph
The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity
Blue Hills, CT
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).
Average rainfall
Blue Hills, CT
- Average rainfall in January:
0.63" - Average rainfall in February:
0.63" - Average rainfall in March:
0.83" - Average rainfall in April:
0.98" - Average rainfall in May:
0.91" - Average rainfall in June:
1.06"
- Average rainfall in July:
1.06" - Average rainfall in August:
0.79" - Average rainfall in September:
0.43" - Average rainfall in October:
1.02" - Average rainfall in November:
0.94" - Average rainfall in December:
0.94"
The wettest months (with the highest rainfall) are June and July (1.06").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days
Blue Hills, CT
- Average rainfall days in January:
6.9 days - Average rainfall days in February:
6.8 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
11.1 days - Average rainfall days in May:
10.8 days - Average rainfall days in June:
11.6 days
- Average rainfall days in July:
11.8 days - Average rainfall days in August:
11.4 days - Average rainfall days in September:
8.2 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
7.7 days - Average rainfall days in December:
7.6 days
The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall
Blue Hills, CT
- Average snowfall in January:
0.91" - Average snowfall in February:
1.14" - Average snowfall in March:
1.06" - Average snowfall in April:
0.24" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Blue Hills, CT
- Average snowfall days in January:
5.5 days - Average snowfall days in February:
5.7 days - Average snowfall days in March:
4.5 days - Average snowfall days in April:
0.7 days - Average snowfall days in May:
0.2 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:
1.3 days - Average snowfall days in December:
3.5 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Blue Hills, CT
- Average daylight in January:
9h and 36min - 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 36min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 48min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
Blue Hills, CT
- Average sunshine days in January:
20.4 days - Average sunshine days in February:
17.1 days - Average sunshine days in March:
17.9 days - Average sunshine days in April:
16.9 days - Average sunshine days in May:
16.9 days - Average sunshine days in June:
16.3 days
- Average sunshine days in July:
17.2 days - Average sunshine days in August:
17.4 days - Average sunshine days in September:
20.3 days - Average sunshine days in October:
18.7 days - Average sunshine days in November:
20.4 days - Average sunshine days in December:
19.5 days
The months with the most sunshine days are January and November (20.4 days).
The month with the least sunshine days is June (16.3 days).
Average UV index
Blue Hills, CT
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
Blue Hills, CT
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Blue Hills, CT
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
