Climate and monthly weather forecastNorfolk, CT
Climate and monthly weather forecast
Weather in January
January, the same as December, in Norfolk, Connecticut, is a freezing cold winter month, with an average temperature fluctuating between 30.4°F (-0.9°C) and 18°F (-7.8°C). During the coldest month, January, temperatures average a high of 30.4°F (-0.9°C) and a low of 18°F (-7.8°C). Weather in January »Weather in February
February, the last month of the winter in Norfolk, is a wintry month, with an average temperature varying between 19.2°F (-7.1°C) and 33.8°F (1°C). February begins with an average high-temperature of an icy 33.8°F (1°C), reflecting close similarity to the preceding month. Weather in February »Weather in March
March, the first month of the spring in Norfolk, is also an icy month, with an average temperature varying between 26.8°F (-2.9°C) and 41.9°F (5.5°C). March introduces a minor temperature shift, with average high-temperatures adjusting from February's icy 33.8°F (1°C) to a still cold 41.9°F (5.5°C). Weather in March »Weather in April
April in Norfolk, Connecticut, is a mild spring month, with an average temperature fluctuating between 55.4°F (13°C) and 37.6°F (3.1°C). April's arrival sees a rise in the average high-temperature, jumping from March's wintry 41.9°F (5.5°C) to a mild 55.4°F (13°C). Weather in April »Weather in May
May, the last month of the spring in Norfolk, is a comfortable month, with temperature in the range of an average high of 67.1°F (19.5°C) and an average low of 47.3°F (8.5°C). Norfolk's May weather brings a rise in high-temperatures, moving from a mild 55.4°F (13°C) in April to a comfortable 67.1°F (19.5°C). Weather in May »Weather in June
June, the first month of the summer in Norfolk, is a moderately hot month, with an average temperature fluctuating between 55°F (12.8°C) and 74.8°F (23.8°C). In Norfolk, the average high-temperature in June slightly increases from a comfortable 67.1°F (19.5°C) in May to a warm 74.8°F (23.8°C). Weather in June »Weather in July
July, like June, in Norfolk, Connecticut, is a moderately hot summer month, with an average temperature ranging between max 81°F (27.2°C) and min 61.2°F (16.2°C). With average temperatures fluctuating between a high of 81°F (27.2°C) and a low of 61.2°F (16.2°C), July stands out as the warmest month. Throughout July, the heat index is evaluated at a hot 86°F (30°C). Weather in July »Weather in August
August, the last month of the summer in Norfolk, is also a moderately hot month, with an average temperature ranging between min 59.7°F (15.4°C) and max 78.8°F (26°C). With the arrival of August, Norfolk's average high-temperature registers at a still warm 78.8°F (26°C), indicating a subtle variation from the previous month. Weather in August »Weather in September
September, the first month of the autumn in Norfolk, is still a pleasant month, with temperature in the range of an average low of 53.1°F (11.7°C) and an average high of 71.8°F (22.1°C). With the arrival of September, Norfolk experiences a modest decline in average high-temperatures, transitioning from a warm 78.8°F (26°C) in August to a pleasant 71.8°F (22.1°C). Weather in September »Weather in October
October, the same as September, in Norfolk, Connecticut, is another refreshing autumn month, with an average temperature varying between 43.9°F (6.6°C) and 58.5°F (14.7°C). Norfolk experiences a temperature shift at the start of October, with average high-temperatures adjusting from a pleasant 71.8°F (22.1°C) in September to a moderate 58.5°F (14.7°C). Weather in October »Weather in November
November, the last month of the autumn in Norfolk, is another chilly month, with an average temperature varying between 46.4°F (8°C) and 33.3°F (0.7°C). November shows a mild decline in the average high-temperature, falling from October's moderate 58.5°F (14.7°C) to a frosty 46.4°F (8°C). Weather in November »Weather in December
December, the first month of the winter in Norfolk, is also an icy month, with an average temperature fluctuating between 25.3°F (-3.7°C) and 36.1°F (2.3°C). December brings a decrease in the average high-temperature, falling from November's chilly 46.4°F (8°C) to a cold 36.1°F (2.3°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Norfolk, CT
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.4°F).
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure
Norfolk, CT
- Average pressure in January:
30.03"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.05"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:
30.06"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.06"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
Norfolk, CT
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.8mph - Average wind speed in October:
7mph - Average wind speed in November:
7.6mph - Average wind speed in December:
8.1mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity
Norfolk, CT
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (74%).
Average rainfall
Norfolk, CT
- Average rainfall in January:
2.24" - Average rainfall in February:
2.17" - Average rainfall in March:
2.64" - Average rainfall in April:
2.99" - Average rainfall in May:
2.95" - Average rainfall in June:
2.87"
- Average rainfall in July:
2.95" - Average rainfall in August:
2.8" - Average rainfall in September:
2.09" - Average rainfall in October:
3.31" - Average rainfall in November:
2.99" - Average rainfall in December:
3.31"
The wettest months (with the highest rainfall) are October and December (3.31").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days
Norfolk, CT
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
7.1 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
15.6 days - Average rainfall days in May:
16.9 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
16.7 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
13 days - Average rainfall days in October:
14.7 days - Average rainfall days in November:
10.1 days - Average rainfall days in December:
10.4 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (7.1 days).
Average snowfall
Norfolk, CT
- Average snowfall in January:
5.12" - Average snowfall in February:
6.38" - Average snowfall in March:
5.79" - Average snowfall in April:
1.3" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.38").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Norfolk, CT
- Average snowfall days in January:
11.1 days - Average snowfall days in February:
11.3 days - Average snowfall days in March:
8.8 days - Average snowfall days in April:
2.5 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:
0.5 days - Average snowfall days in November:
3.2 days - Average snowfall days in December:
7.7 days
The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Norfolk, CT
- 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:
4h and 36min - Average sunshine in February:
4h and 12min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 0min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 18min - Average sunshine in October:
5h and 24min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days
Norfolk, CT
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
12.5 days - Average sunshine days in March:
13.3 days - Average sunshine days in April:
12 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
13.4 days - Average sunshine days in August:
13.7 days - Average sunshine days in September:
15.3 days - Average sunshine days in October:
14 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is June (11.4 days).
Average UV index
Norfolk, CT
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Norfolk, CT
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility
Norfolk, CT
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).





