Climate and monthly weather forecastAmston, CT
Climate and monthly weather forecast
Weather in January
January, like December, in Amston, Connecticut, is an icy winter month, with an average temperature varying between 22.8°F (-5.1°C) and 34.3°F (1.3°C). January, with its average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 22.8°F (-5.1°C), holds the record as the coldest month. Weather in January »Weather in February
The last month of the winter, February, is another cold month in Amston, Connecticut, with an average temperature varying between 37°F (2.8°C) and 23.4°F (-4.8°C). An average high-temperature of a still icy 37°F (2.8°C) marks February, exhibiting a close resemblance to the conditions in January. Weather in February »Weather in March
March, the first month of the spring in Amston, is a frosty month, with an average temperature fluctuating between 44.4°F (6.9°C) and 30.4°F (-0.9°C). As February transitions into March, a subtle temperature shift is observed, with average highs adjusting from a cold 37°F (2.8°C) to a chilly 44.4°F (6.9°C). Weather in March »Weather in April
April in Amston, Connecticut, is a mild spring month, with an average temperature fluctuating between 56.5°F (13.6°C) and 40.3°F (4.6°C). April sees a rise in the average high-temperature, climbing from a chilly 44.4°F (6.9°C) in March to a refreshing 56.5°F (13.6°C). Weather in April »Weather in May
May, the last month of the spring in Amston, is a refreshing month, with an average temperature varying between 67.6°F (19.8°C) and 49.6°F (9.8°C). An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a refreshing 56.5°F (13.6°C) to a comfortable 67.6°F (19.8°C). Weather in May »Weather in June
June, the first month of the summer in Amston, is a moderately hot month, with temperature in the range of an average low of 57.4°F (14.1°C) and an average high of 75.7°F (24.3°C). As June begins, there's a slight increase in the average high-temperature, moving from a comfortable 67.6°F (19.8°C) in May to a warm 75.7°F (24.3°C). Weather in June »Weather in July
July, like June, in Amston, Connecticut, is a moderately hot summer month, with temperature in the range of an average high of 82.2°F (27.9°C) and an average low of 64°F (17.8°C). Amston experiences its highest average temperatures in July, reaching a peak of 82.2°F (27.9°C) and a minimum of 64°F (17.8°C). The heat index in July is computed to be a tropical 87.8°F (31°C). Weather in July »Weather in August
August, the last month of the summer in Amston, is also a moderately hot month, with an average temperature fluctuating between 80.2°F (26.8°C) and 63°F (17.2°C). August's beginning signals an average high-temperature of a still moderately hot 80.2°F (26.8°C), barely different from July's 82.2°F (27.9°C). Weather in August »Weather in September
September, the first month of the autumn in Amston, is also a moderately hot month, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 56.7°F (13.7°C). As September begins, there is a minor decrease in the average high-temperature, softly falling from a warm 80.2°F (26.8°C) in August to a still moderately hot 73.4°F (23°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Amston, Connecticut, with an average temperature ranging between min 47.7°F (8.7°C) and max 61.5°F (16.4°C). The onset of October coincides with a reduction in the average high-temperature, falling from a warm 73.4°F (23°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 also a frosty month in Amston, Connecticut, with an average temperature varying between 36.9°F (2.7°C) and 49.6°F (9.8°C). With the beginning of November, the average high-temperature shows a decrease, transitioning from an enjoyable 61.5°F (16.4°C) in October to a chilly 49.6°F (9.8°C). Weather in November »Weather in December
December, the first month of the winter in Amston, is also an icy month, with an average temperature varying between 40.3°F (4.6°C) and 29.7°F (-1.3°C). Amston's transition into December involves a shift in temperature, receding from a frosty 49.6°F (9.8°C) in November to a wintry 40.3°F (4.6°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Amston, CT
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (34.3°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure
Amston, 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:
30.05"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
Amston, CT
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.4mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.1mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6.2mph - Average wind speed in October:
7.4mph - Average wind speed in November:
7.8mph - Average wind speed in December:
8.3mph
The windiest months (with the highest average wind speed) are January and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity
Amston, CT
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall
Amston, CT
- Average rainfall in January:
0.59" - Average rainfall in February:
0.55" - Average rainfall in March:
0.67" - Average rainfall in April:
0.91" - Average rainfall in May:
0.75" - Average rainfall in June:
0.87"
- Average rainfall in July:
0.91" - Average rainfall in August:
0.87" - Average rainfall in September:
0.35" - Average rainfall in October:
0.98" - Average rainfall in November:
0.94" - Average rainfall in December:
1.02"
The wettest month (with the highest rainfall) is December (1.02").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days
Amston, CT
- Average rainfall days in January:
5.1 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
8.4 days - Average rainfall days in April:
9.1 days - Average rainfall days in May:
10 days - Average rainfall days in June:
9.6 days
- Average rainfall days in July:
11.8 days - Average rainfall days in August:
11.2 days - Average rainfall days in September:
7.5 days - Average rainfall days in October:
8.4 days - Average rainfall days in November:
6.2 days - Average rainfall days in December:
6.8 days
The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is January (5.1 days).
Average snowfall
Amston, CT
- Average snowfall in January:
0.59" - Average snowfall in February:
0.63" - Average snowfall in March:
1.26" - Average snowfall in April:
0.08" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is March (1.26").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Amston, CT
- Average snowfall days in January:
4.9 days - Average snowfall days in February:
6.4 days - Average snowfall days in March:
5.3 days - Average snowfall days in April:
0.8 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:
0.7 days - Average snowfall days in December:
4.1 days
The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Amston, 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 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - 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 54min - Average daylight in December:
9h and 12min
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 0min - Average sunshine in February:
4h and 36min - Average sunshine in March:
5h and 54min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 6min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 24min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days
Amston, CT
- Average sunshine days in January:
21.8 days - Average sunshine days in February:
18.3 days - Average sunshine days in March:
18.2 days - Average sunshine days in April:
18.6 days - Average sunshine days in May:
18.8 days - Average sunshine days in June:
18.3 days
- Average sunshine days in July:
17.1 days - Average sunshine days in August:
17.8 days - Average sunshine days in September:
20.5 days - Average sunshine days in October:
20.8 days - Average sunshine days in November:
21.3 days - Average sunshine days in December:
20.2 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (17.1 days).
Average UV index
Amston, CT
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Amston, CT
The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Amston, CT
The months with the highest visibility are January, March, April, September, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July and August (5mi).





