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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 another cold winter month in Portland, Connecticut, with an average temperature fluctuating between 34°F (1.1°C) and 22.1°F (-5.5°C). With average temperatures fluctuating between a high of 34°F (1.1°C) and a low of 22.1°F (-5.5°C), January stands out as the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Portland, Connecticut, with temperature in the range of an average high of 37°F (2.8°C) and an average low of 23°F (-5°C). With the onset of February, Portland's average high-temperature clocks in at a still cold 37°F (2.8°C), showing a minor fluctuation from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Portland, is a chilly month, with an average temperature fluctuating between 44.8°F (7.1°C) and 30.4°F (-0.9°C). As February gives way to March, the average high-temperature displays a slight ascent, adjusting from a cold 37°F (2.8°C) to a chilly 44.8°F (7.1°C). Weather in March »
Weather in April
April is a moderate spring month in Portland, Connecticut, with an average temperature fluctuating between 56.8°F (13.8°C) and 40.3°F (4.6°C). The arrival of April signals an increase in the average high-temperature, moving from a chilly 44.8°F (7.1°C) in March to a moderate 56.8°F (13.8°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Portland, Connecticut, with an average temperature varying between 68.2°F (20.1°C) and 49.8°F (9.9°C). Portland experiences a temperature shift with the start of May, with average high-temperatures moving from a refreshing 56.8°F (13.8°C) in April to a pleasant 68.2°F (20.1°C). Weather in May »
Weather in June
June, the first month of the summer in Portland, is a moderately hot month, with an average temperature fluctuating between 57.4°F (14.1°C) and 76.1°F (24.5°C). Portland in June observes a minor temperature shift, with average high-temperatures adjusting from an agreeable 68.2°F (20.1°C) in May to a warm 76.1°F (24.5°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Portland, Connecticut, with temperature in the range of an average high of 82.9°F (28.3°C) and an average low of 64°F (17.8°C). July is the month that records the highest temperatures, with averages ranging from a high of 82.9°F (28.3°C) to a low of 64°F (17.8°C). The heat index in July is computed to be a hot 89.6°F (32°C). Weather in July »
Weather in August
August, the last month of the summer in Portland, is another warm month, with an average temperature ranging between min 63°F (17.2°C) and max 81°F (27.2°C). The advent of August signifies a minor shift to an average high-temperature of a still warm 81°F (27.2°C), aligning closely with July. Weather in August »
Weather in September
September, the first month of the autumn in Portland, is also a moderately hot month, with an average temperature ranging between min 56.3°F (13.5°C) and max 73.6°F (23.1°C). In September, the meteorological conditions change slightly, with the average high-temperature moving from 81°F (27.2°C) in August to a still moderately hot 73.6°F (23.1°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Portland, Connecticut, with an average temperature fluctuating between 61.7°F (16.5°C) and 47.1°F (8.4°C). The beginning of October involves a decrease in the average high-temperature, transitioning from a warm 73.6°F (23.1°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 frosty month in Portland, Connecticut, with an average temperature varying between 49.3°F (9.6°C) and 36.7°F (2.6°C). November's onset brings a slight change in high-temperatures, falling from an enjoyable 61.7°F (16.5°C) in October to a chilly 49.3°F (9.6°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Portland, Connecticut, with temperature in the range of an average low of 29.1°F (-1.6°C) and an average high of 39.7°F (4.3°C). December brings a drop in Portland's average high-temperature, falling from a frosty 49.3°F (9.6°C) in November to a wintry 39.7°F (4.3°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Portland?
The coldest period in Portland tends to be January, when average temperatures fluctuate between a high of 34°F (1.1°C) and a low of 22.1°F (-5.5°C).
How much does it rain in Portland?
Throughout the year, there are 162.2 rainfall days, and 34.13" (867mm) of precipitation is accumulated.
When does it snow in Portland?
Months with snowfall in Portland, Connecticut, are January through May, November and December.
How much does it snow in Portland?
In Portland, during the entire year, snow falls for 29.4 days and aggregates up to 14.76" (375mm) of snow.
What is the month with the lowest UV index in Portland?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
What is the most humid month in Portland?
The most humid month in Portland is February, with an average relative humidity of 79%.
What is the month with the least sunshine in Portland?
The month with the least sunshine is February, with an average of 4.6h of sunshine.
When does it snow the most in Portland?
March is the month with the most snowfall. Snow falls for 6.2 days and accumulates 4.13" (105mm) of snow.
When is Daylight Saving Time (DST) in Portland?
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.
What is the least humid month in Portland?
With an average relative humidity of 71%, April is the least humid month.
When it does not snow in Portland?
In Portland, snow does not fall in June through October.
When are the longest days in Portland?
The month with the longest days in Portland, Connecticut, is June, with an average of 15h and 6min of daylight.
When is the highest UV index in Portland?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What is the hottest time of year in Portland?
Portland, Connecticut, experiences its highest temperatures in July, with an average peak of 82.9°F (28.3°C) and a low of 64°F (17.8°C).
What is the month with the most sunshine in Portland?
The months with the most sunshine in Portland, Connecticut, are July and August, with an average of 10.3h of sunshine.
What is the driest month in Portland?
The month with the least rainfall is September, when the rain falls for 11.9 days and typically collects 1.89" (48mm) of precipitation.
What is the rainiest month in Portland?
The month with the most rainfall in Portland, Connecticut, is December, when the rain falls for 11.9 days and typically aggregates up to 3.66" (93mm) of precipitation.
What is the month with the shortest days in Portland?
The month with the shortest days in Portland is December, with an average of 9h and 12min of daylight.
Average temperature
Portland, 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 (34°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure
Portland, 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:
30.09"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
Portland, CT
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.1mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8mph - Average wind speed in May:
6.6mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.4mph - Average wind speed in September:
6mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.5mph - Average wind speed in December:
8mph
The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity
Portland, CT
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall
Portland, CT
- Average rainfall in January:
2.48" - Average rainfall in February:
2.48" - Average rainfall in March:
2.83" - Average rainfall in April:
3.11" - Average rainfall in May:
2.64" - Average rainfall in June:
2.91"
- Average rainfall in July:
3.07" - Average rainfall in August:
2.76" - Average rainfall in September:
1.89" - Average rainfall in October:
3.27" - Average rainfall in November:
3.03" - Average rainfall in December:
3.66"
The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days
Portland, CT
- Average rainfall days in January:
9.1 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
15 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
16.9 days
- Average rainfall days in July:
17.2 days - Average rainfall days in August:
16.5 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
14.2 days - Average rainfall days in November:
10.7 days - Average rainfall days in December:
11.9 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is January (9.1 days).
Average snowfall
Portland, CT
- Average snowfall in January:
2.68" - Average snowfall in February:
3.78" - Average snowfall in March:
4.13" - Average snowfall in April:
0.59" - Average snowfall in May:
0.47" - Average snowfall in June:
0"
The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Portland, CT
- Average snowfall days in January:
7.2 days - Average snowfall days in February:
8.3 days - Average snowfall days in March:
6.2 days - Average snowfall days in April:
0.9 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:
1.2 days - Average snowfall days in December:
5.3 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Portland, 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:
4h and 5min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 3min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
Portland, CT
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
13 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
12.1 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
14.4 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
15.1 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (11.3 days).
Average UV index
Portland, 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
Portland, CT
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Portland, CT
The months with the highest visibility are January, March, April, August, September, October, November and December (6mi).
The months with the lowest visibility are February, May, June and July (5mi).
Portland, Connecticut, USA
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