Expand
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 an icy winter month in Columbia, Connecticut, with an average temperature varying between 33.4°F (0.8°C) and 21.6°F (-5.8°C). In Columbia, the lowest temperatures are generally noted in January, averaging a high of 33.4°F (0.8°C) and a low of 21.6°F (-5.8°C). Weather in January »
Weather in February
February, the last month of the winter in Columbia, is also a wintry month, with an average temperature varying between 36.7°F (2.6°C) and 22.5°F (-5.3°C). Columbia notes an average high-temperature of a still wintry 36.7°F (2.6°C) in February, hardly diverging from January. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Columbia, Connecticut, with an average temperature ranging between max 43.7°F (6.5°C) and min 29.7°F (-1.3°C). In Columbia, the average high-temperature in March slightly increases from a cold 36.7°F (2.6°C) in February to a frosty 43.7°F (6.5°C). Weather in March »
Weather in April
April in Columbia, Connecticut, is a refreshing spring month, with an average temperature varying between 39.6°F (4.2°C) and 55.9°F (13.3°C). With the transition into April, Columbia experiences an increase in average high-temperatures, moving up from a chilly 43.7°F (6.5°C) in March to a moderate 55.9°F (13.3°C). Weather in April »
Weather in May
May, the last month of the spring in Columbia, is an enjoyable month, with an average temperature fluctuating between 48.9°F (9.4°C) and 67.1°F (19.5°C). Observing a rise in May, the average high-temperature goes from April's mild 55.9°F (13.3°C) to a still refreshing 67.1°F (19.5°C). Weather in May »
Weather in June
June, the first month of the summer in Columbia, is a warm month, with an average temperature fluctuating between 74.8°F (23.8°C) and 56.3°F (13.5°C). As Columbia welcomes June, the average high-temperature sees a modest rise, transitioning 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 Columbia, Connecticut, is a moderately hot summer month, with temperature in the range of an average low of 63°F (17.2°C) and an average high of 81.9°F (27.7°C). The warmest time of the year is July, with temperatures averaging a high of 81.9°F (27.7°C) and a low of 63°F (17.2°C). The heat index value for July is evaluated at a hot 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Columbia, Connecticut, with temperature in the range of an average high of 80.2°F (26.8°C) and an average low of 62.2°F (16.8°C). The advent of August observes an average high-temperature of a still warm 80.2°F (26.8°C), nearly identical to July's 81.9°F (27.7°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Columbia, Connecticut, with temperature in the range of an average high of 73.2°F (22.9°C) and an average low of 55.4°F (13°C). In the transition to September, Columbia observes a minor drop in the average high-temperature, shifting from a moderately hot 80.2°F (26.8°C) in August to an agreeable 73.2°F (22.9°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Columbia, Connecticut, with an average temperature varying between 61°F (16.1°C) and 46.4°F (8°C). October's onset brings a reduction in the average high-temperature, from an agreeable 73.2°F (22.9°C) in September to an enjoyable 61°F (16.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Columbia, is also a frosty month, with an average temperature ranging between min 36.1°F (2.3°C) and max 49.1°F (9.5°C). During the transition into November, Columbia observes a decrease in the average high-temperature, falling from an enjoyable 61°F (16.1°C) in October to a chilly 49.1°F (9.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Columbia, Connecticut, with an average temperature varying between 39.4°F (4.1°C) and 28.6°F (-1.9°C). Columbia observes a minor decrease in the average high-temperature with the arrival of December, falling from November's frosty 49.1°F (9.5°C) to a cold 39.4°F (4.1°C). Weather in December »
Updated: Jul 20, 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
What is the coldest month?
Columbia's coldest weather arrives in January, when temperatures average a high of 33.4°F (0.8°C) and a low of 21.6°F (-5.8°C).
How many days does it rain?
In Columbia, during the entire year, the rain falls for 164.2 days and collects up to 33.74" (857mm) of precipitation.
When does it snow?
January through May, November and December are months with snowfall.
How much does it snow?
In Columbia, during the entire year, snow falls for 31.6 days and aggregates up to 15.98" (406mm) of snow.
When is the lowest UV index?
The months with the lowest UV index in Columbia are January through March, November and December, with an average maximum UV index of 2.
What are the most humid months?
February and October, with an average relative humidity of 79%, are most humid months.
When does it snow the most?
The month with the most snowfall is March, when snow falls for 7.3 days and typically aggregates up to 4.41" (112mm) of snow.
When is Daylight Saving Time (DST)?
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?
With an average relative humidity of 72%, April is the least humid month.
When it does not snow?
In Columbia, snow does not fall in June through October.
When are the longest days?
June has the longest days of the year, with an average of 15h and 12min of daylight.
When is the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What part of the year is the hottest?
July proves to be the warmest month, recording an average peak temperature of 81.9°F (27.7°C) and a minimum temperature of 63°F (17.2°C).
What month has the most sunshine?
The month with the most sunshine is August, with an average of 10.3h of sunshine.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 13.5 days and typically collects 1.73" (44mm) of precipitation.
What is the rainiest month in Columbia?
The month with the most rainfall is December, when the rain falls for 11.5 days and typically aggregates up to 3.46" (88mm) of precipitation.
What is the month with the shortest days in Columbia?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
What is the month with the least sunshine?
With an average of 4.7h of sunshine, December has the least sunshine of the year in Columbia.
Average temperature
Columbia, CT
The warmest month (with the highest average high temperature) is July (81.9°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°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
Columbia, CT
- Average pressure in January:
30.02"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
Columbia, CT
- Average wind speed in January:
8.8mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.3mph - Average wind speed in May:
7mph - Average wind speed in June:
6.2mph
- 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:
8.4mph
The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity
Columbia, CT
The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Columbia, CT
- Average rainfall in January:
2.52" - Average rainfall in February:
2.4" - Average rainfall in March:
2.8" - Average rainfall in April:
3.15" - Average rainfall in May:
2.76" - Average rainfall in June:
2.99"
- Average rainfall in July:
3.19" - Average rainfall in August:
2.76" - Average rainfall in September:
1.73" - Average rainfall in October:
3.07" - Average rainfall in November:
2.91" - Average rainfall in December:
3.46"
The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days
Columbia, CT
- Average rainfall days in January:
9.1 days - Average rainfall days in February:
9.7 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
15.5 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
17 days - Average rainfall days in August:
16.4 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
14.2 days - Average rainfall days in November:
10.8 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.1 days).
Average snowfall
Columbia, CT
- Average snowfall in January:
2.91" - Average snowfall in February:
4.33" - Average snowfall in March:
4.41" - Average snowfall in April:
0.31" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is March (4.41").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Columbia, CT
- Average snowfall days in January:
8.3 days - Average snowfall days in February:
7.9 days - Average snowfall days in March:
7.3 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 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Columbia, 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 4min - 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 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 5min - Average sunshine in March:
6h and 1min - 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 4min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days
Columbia, CT
- Average sunshine days in January:
16.2 days - Average sunshine days in February:
13 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
11.1 days - Average sunshine days in September:
14.6 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
15.2 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.8 days).
Average UV index
Columbia, 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
Columbia, CT
The months with the most cloud cover are February, March, May and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Columbia, CT
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
Columbia, Connecticut, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location