Climate and monthly weather forecastPutnam, CT
Climate and monthly weather forecast
Weather in January
January, like December, in Putnam, Connecticut, is a wintry winter month, with an average temperature fluctuating between 33.4°F (0.8°C) and 21.6°F (-5.8°C). January, on average, is the coldest month, registering a high temperature of 33.4°F (0.8°C) and a low of 21.6°F (-5.8°C). Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Putnam, Connecticut, with an average temperature varying between 36.7°F (2.6°C) and 22.3°F (-5.4°C). The arrival of February brings an average high-temperature of a still cold 36.7°F (2.6°C), subtly diverging from January's 33.4°F (0.8°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Putnam, Connecticut, with an average temperature fluctuating between 43.5°F (6.4°C) and 29.5°F (-1.4°C). The arrival of March witnesses a small shift in the average high-temperature, moving from an icy 36.7°F (2.6°C) in February to a chilly 43.5°F (6.4°C). Weather in March »Weather in April
April is a mild spring month in Putnam, Connecticut, with temperature in the range of an average high of 55.6°F (13.1°C) and an average low of 39.2°F (4°C). The arrival of April brings a temperature shift, with the average high-temperature escalating from a frosty 43.5°F (6.4°C) in March to a moderate 55.6°F (13.1°C). Weather in April »Weather in May
May, the last month of the spring in Putnam, is an enjoyable month, with an average temperature varying between 48.9°F (9.4°C) and 66.7°F (19.3°C). May brings a temperature increase, with average high-temperatures moving from April's mild 55.6°F (13.1°C) to a comfortable 66.7°F (19.3°C). Weather in May »Weather in June
June, the first month of the summer in Putnam, is a moderately hot month, with an average temperature varying between 55.9°F (13.3°C) and 74.1°F (23.4°C). In Putnam, stepping into June brings a gentle temperature nudge, moving slightly up from May's refreshing 66.7°F (19.3°C) to a moderately hot 74.1°F (23.4°C). Weather in June »Weather in July
July, like June, in Putnam, Connecticut, is another warm summer month, with an average temperature ranging between min 63.1°F (17.3°C) and max 81.1°F (27.3°C). July, with its high-temperature average of 81.1°F (27.3°C) and a low-temperature average of 63.1°F (17.3°C), is the warmest month. The heat index in July is calculated to be a hot 86°F (30°C). Weather in July »Weather in August
August, the last month of the summer in Putnam, is another warm month, with an average temperature ranging between min 61.9°F (16.6°C) and max 79.7°F (26.5°C). Putnam's weather, upon August's arrival, documents an average high-temperature of a still moderately hot 79.7°F (26.5°C), nearly identical to the prior month. Weather in August »Weather in September
September, the first month of the autumn in Putnam, is still a pleasant month, with an average temperature varying between 55.4°F (13°C) and 72.3°F (22.4°C). The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a warm 79.7°F (26.5°C) in August to an agreeable 72.3°F (22.4°C). Weather in September »Weather in October
October, like September, in Putnam, Connecticut, is another comfortable autumn month, with an average temperature ranging between max 60.8°F (16°C) and min 46.6°F (8.1°C). October brings a decrease in the average high-temperature, shifting from a pleasant 72.3°F (22.4°C) in September to a refreshing 60.8°F (16°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Putnam, Connecticut, with an average temperature ranging between max 49.1°F (9.5°C) and min 36.1°F (2.3°C). With November's arrival, Putnam sees a decrease in average high-temperatures, moving from a comfortable 60.8°F (16°C) in October to a frosty 49.1°F (9.5°C). Weather in November »Weather in December
December, the first month of the winter in Putnam, is also a wintry month, with temperature in the range of an average high of 39.4°F (4.1°C) and an average low of 28.8°F (-1.8°C). In December, the average high-temperature decreases from a frosty 49.1°F (9.5°C) in November to a wintry 39.4°F (4.1°C). Weather in December »Updated: Feb 10, 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
The lowest temperatures in Putnam are recorded in January, with averages reaching a high of 33.4°F (0.8°C) and a low of 21.6°F (-5.8°C).
In Putnam, Connecticut, during the entire year, the rain falls for 163 days and collects up to 33.86" (860mm) of precipitation.
January through May, November and December are months with snowfall.
Throughout the year, there are 30.6 snowfall days, and 14.02" (356mm) of snow is accumulated.
The months with the lowest UV index in Putnam are January through March, November and December, with an average maximum UV index of 2.
The months with the highest humidity in Putnam are February, June, July, September and October, with an average relative humidity of 79%.
The month with the least sunshine in Putnam, Connecticut, is February, with an average of 4.7h of sunshine.
March is the month with the most snowfall in Putnam, Connecticut. Snow falls for 7.3 days and accumulates 3.7" (94mm) 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.
April is the least humid month in Putnam, Connecticut, with an average relative humidity of 73%.
June through October are months without snowfall in Putnam.
June has the longest days of the year in Putnam, Connecticut, with an average of 15h and 12min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
Putnam reaches its average highest temperatures in July, measuring 81.1°F (27.3°C) at the peak and 63.1°F (17.3°C) at the lowest.
July and August, with an average of 10.2h of sunshine, are months with the most sunshine.
September is the month with the least rainfall in Putnam, Connecticut. Rain falls for 13.6 days and accumulates 1.81" (46mm) of precipitation.
December is the month with the most rainfall in Putnam. Rain falls for 11.5 days and accumulates 3.43" (87mm) of precipitation.
The month with the shortest days in Putnam is December, with an average of 9h and 12min of daylight.
Average temperature
Putnam, CT
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (33.4°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
Putnam, 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:
30.06"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.04"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
Putnam, CT
- Average wind speed in January:
9.3mph - Average wind speed in February:
9.2mph - Average wind speed in March:
9.2mph - Average wind speed in April:
8.6mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
6mph - Average wind speed in August:
5.9mph - Average wind speed in September:
6.5mph - Average wind speed in October:
7.8mph - Average wind speed in November:
8.3mph - Average wind speed in December:
8.8mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity
Putnam, CT
The months with the highest relative humidity are February, June, July, September and October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall
Putnam, CT
- Average rainfall in January:
2.52" - Average rainfall in February:
2.32" - Average rainfall in March:
2.72" - Average rainfall in April:
3.15" - Average rainfall in May:
2.8" - Average rainfall in June:
3.07"
- Average rainfall in July:
3.31" - Average rainfall in August:
2.83" - Average rainfall in September:
1.81" - Average rainfall in October:
3.03" - Average rainfall in November:
2.87" - Average rainfall in December:
3.43"
The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days
Putnam, CT
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
16.9 days - Average rainfall days in June:
17 days
- Average rainfall days in July:
17.5 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
13.6 days - Average rainfall days in October:
14 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is January (8.3 days).
Average snowfall
Putnam, CT
- Average snowfall in January:
2.91" - Average snowfall in February:
3.66" - Average snowfall in March:
3.7" - Average snowfall in April:
0.43" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is March (3.7").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Putnam, CT
- Average snowfall days in January:
7.8 days - Average snowfall days in February:
7.7 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
1.2 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:
1.4 days - Average snowfall days in December:
5 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
Putnam, 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:
5h and 0min - Average sunshine in February:
4h and 42min - Average sunshine in March:
5h and 54min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 12min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 12min - 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 48min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Putnam, CT
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
14.6 days - Average sunshine days in October:
14.2 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
15.8 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (10.6 days).
Average UV index
Putnam, 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
Putnam, CT
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Putnam, CT
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).
