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 a wintry winter month in Old Mystic, Connecticut, with temperature in the range of an average low of 24.8°F (-4°C) and an average high of 35.4°F (1.9°C). The coldest month is January, with an average high-temperature of 35.4°F (1.9°C) and an average low-temperature of 24.8°F (-4°C). Weather in January »
Weather in February
February, the last month of the winter in Old Mystic, is another cold month, with an average temperature varying between 38.1°F (3.4°C) and 25.3°F (-3.7°C). In Old Mystic, the average high-temperature in February is essentially the same as in January - a still cold 38.1°F (3.4°C). Weather in February »
Weather in March
March, the first month of the spring in Old Mystic, is a frosty month, with an average temperature ranging between min 32.4°F (0.2°C) and max 44.2°F (6.8°C). In Old Mystic, the average high-temperature in March slightly increases from a wintry 38.1°F (3.4°C) in February to a chilly 44.2°F (6.8°C). Weather in March »
Weather in April
April is a fresh spring month in Old Mystic, Connecticut, with an average temperature varying between 41°F (5°C) and 54.5°F (12.5°C). In April, the average high-temperature rises from a chilly 44.2°F (6.8°C) in March to a cool 54.5°F (12.5°C). Weather in April »
Weather in May
May, the last month of the spring in Old Mystic, is a comfortable month, with an average temperature fluctuating between 50.2°F (10.1°C) and 64.9°F (18.3°C). In May, the average high-temperature rises from a cool 54.5°F (12.5°C) in April to a comfortable 64.9°F (18.3°C). Weather in May »
Weather in June
June, the first month of the summer in Old Mystic, is an agreeable month, with temperature in the range of an average high of 72.7°F (22.6°C) and an average low of 57.9°F (14.4°C). In Old Mystic, Connecticut, the average high-temperature in June slightly increases from a comfortable 64.9°F (18.3°C) in May to an agreeable 72.7°F (22.6°C). Weather in June »
Weather in July
July in Old Mystic, Connecticut, is a warm summer month, with an average temperature varying between 80.2°F (26.8°C) and 65.3°F (18.5°C). July is the warmest month, with an average high-temperature of 80.2°F (26.8°C) and an average low-temperature of 65.3°F (18.5°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Old Mystic, Connecticut, with an average temperature ranging between max 79.2°F (26.2°C) and min 64.4°F (18°C). In August, the average high-temperature is essentially the same as in July - a still warm 79.2°F (26.2°C). Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Old Mystic, Connecticut, with an average temperature varying between 58.1°F (14.5°C) and 72.5°F (22.5°C). In September, the average high-temperature slightly decreases from a warm 79.2°F (26.2°C) in August to an agreeable 72.5°F (22.5°C). Weather in September »
Weather in October
October, like September, in Old Mystic, Connecticut, is another enjoyable autumn month, with an average temperature varying between 49.6°F (9.8°C) and 61.7°F (16.5°C). In October, the average high-temperature decreases from a pleasant 72.5°F (22.5°C) in September to a comfortable 61.7°F (16.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Old Mystic, Connecticut, with an average temperature ranging between min 38.7°F (3.7°C) and max 50.9°F (10.5°C). In November, the average high-temperature decreases from an enjoyable 61.7°F (16.5°C) in October to a fresh 50.9°F (10.5°C). Weather in November »
Weather in December
December, the first month of the winter in Old Mystic, is still a cold month, with an average temperature varying between 41.7°F (5.4°C) and 31.3°F (-0.4°C). In December, the average high-temperature drops from a fresh 50.9°F (10.5°C) in November to a wintry 41.7°F (5.4°C). Weather in December »
[Resources]FAQ
What is the coldest month in Old Mystic?
With an average high-temperature of 35.4°F (1.9°C) and an average low-temperature of 24.8°F (-4°C), January is the coldest month in Old Mystic, Connecticut.
How much does it rain in Old Mystic?
In Old Mystic, Connecticut, during the entire year, the rain falls for 162.1 days and collects up to 33.66" (855mm) of precipitation.
When does it snow in Old Mystic?
January through May, November and December are months with snowfall.
How much does it snow in Old Mystic?
Throughout the year, there are 26.7 snowfall days, and 9.72" (247mm) of snow is accumulated.
What are the months with the lowest UV index in Old Mystic?
The months with the lowest UV index in Old Mystic, Connecticut, are January through March, November and December, with an average maximum UV index of 2.
What are the months with the least sunshine in Old Mystic?
February and December, with an average of 4.8h of sunshine, are months with the least sunshine.
What is the snowiest month in Old Mystic?
The month with the most snowfall in Old Mystic is March, when snow falls for 6.3 days and typically aggregates up to 2.56" (65mm) of snow.
When is Daylight Saving Time (DST) in Old Mystic?
On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month in Old Mystic?
April is the least humid month, with an average relative humidity of 73%.
What is the most humid month in Old Mystic?
The months with the highest humidity in Old Mystic are June and July, with an average relative humidity of 79%.
When it does not snow in Old Mystic?
In Old Mystic, snow does not fall in June through October.
When are the longest days in Old Mystic?
With an average of 15h and 7min of daylight, June has the longest days of the year in Old Mystic, Connecticut.
When is the highest UV index in Old Mystic?
The months with the highest UV index in Old Mystic, Connecticut, are June through August, with an average maximum UV index of 6.
What is the warmest month in Old Mystic?
July is the warmest month in Old Mystic, Connecticut, with an average high-temperature of 80.2°F (26.8°C) and an average low-temperature of 65.3°F (18.5°C).
What month has the most sunshine in Old Mystic?
With an average of 10.4h of sunshine, August has the most sunshine of the year.
What is the driest month in Old Mystic?
The month with the least rainfall is September, when the rain falls for 12.1 days and typically collects 1.61" (41mm) of precipitation.
What is the wettest month in Old Mystic?
December is the month with the most rainfall. Rain falls for 12.3 days and accumulates 3.78" (96mm) of precipitation.
What is the month with the shortest days in Old Mystic?
The month with the shortest days is December, with an average of 9h and 14min of daylight.
Average temperature
Old Mystic, CT
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (35.4°F).
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure
Old Mystic, CT
- Average pressure in January:
30.02"Hg - Average pressure in February:
30"Hg - Average pressure in March:
30.03"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:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Old Mystic, CT
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.4mph - Average wind speed in April:
9.7mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
7mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.7mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.5mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity
Old Mystic, CT
The months with the highest relative humidity are June and July (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall
Old Mystic, CT
- Average rainfall in January:
2.64" - Average rainfall in February:
2.56" - Average rainfall in March:
2.91" - Average rainfall in April:
3.27" - Average rainfall in May:
2.56" - Average rainfall in June:
2.83"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.56" - Average rainfall in September:
1.61" - Average rainfall in October:
3.31" - Average rainfall in November:
2.87" - Average rainfall in December:
3.78"
The wettest month (with the highest rainfall) is December (3.78").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days
Old Mystic, CT
- Average rainfall days in January:
10 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
16.2 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
16.4 days - Average rainfall days in August:
15.1 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
13.9 days - Average rainfall days in November:
10.7 days - Average rainfall days in December:
12.3 days
The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is January (10 days).
Average snowfall
Old Mystic, CT
The month with the highest snowfall is March (2.56").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Old Mystic, CT
- Average snowfall days in January:
7 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
6.3 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 days - Average snowfall days in November:
1.1 days - Average snowfall days in December:
4.6 days
The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Old Mystic, CT
- Average daylight in January:
9h and 4min - 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 3min - 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 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 0min - 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 2min - Average sunshine in September:
8h and 3min - Average sunshine in October:
6h and 0min - 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 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days
Old Mystic, CT
- Average sunshine days in January:
16.5 days - Average sunshine days in February:
13 days - Average sunshine days in March:
13.5 days - Average sunshine days in April:
12.7 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
11.7 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
12.6 days - Average sunshine days in September:
15.4 days - Average sunshine days in October:
15.3 days - Average sunshine days in November:
17.7 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is July (11.5 days).
Average UV index
Old Mystic, 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
Old Mystic, CT
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Old Mystic, CT
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).
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