Climate and monthly weather forecastUnionville, CT
Climate and monthly weather forecast
Weather in January
January, like December, in Unionville, Connecticut, is a wintry winter month, with temperature in the range of an average high of 32°F (0°C) and an average low of 20.1°F (-6.6°C). January is the coldest month of the year, registering average temperatures as high as 32°F (0°C) and as low as 20.1°F (-6.6°C). Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Unionville, Connecticut, with temperature in the range of an average high of 35.2°F (1.8°C) and an average low of 20.7°F (-6.3°C). Entering February, Unionville's average high-temperature reads a still cold 35.2°F (1.8°C), indicating a close resemblance to the previous month's climate. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Unionville, Connecticut, with an average temperature ranging between min 28.8°F (-1.8°C) and max 42.8°F (6°C). Unionville's weather in March presents a minor rise in the average high-temperature, moving from a cold 35.2°F (1.8°C) in February to a chilly 42.8°F (6°C). Weather in March »Weather in April
April is a mild spring month in Unionville, Connecticut, with temperature in the range of an average low of 38.8°F (3.8°C) and an average high of 56.1°F (13.4°C). The shift into April is marked by a rise in the average high-temperature, moving from March's chilly 42.8°F (6°C) to a mild 56.1°F (13.4°C). Weather in April »Weather in May
May, the last month of the spring in Unionville, is a refreshing month, with an average temperature fluctuating between 48.7°F (9.3°C) and 67.6°F (19.8°C). May brings a temperature increase, with average high-temperatures moving from April's moderate 56.1°F (13.4°C) to a comfortable 67.6°F (19.8°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Unionville, Connecticut, with temperature in the range of an average low of 56.5°F (13.6°C) and an average high of 75.6°F (24.2°C). Unionville observes a slight ascent in average high-temperatures during June, adjusting from a refreshing 67.6°F (19.8°C) in May to a warm 75.6°F (24.2°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Unionville, Connecticut, with an average temperature varying between 63.1°F (17.3°C) and 82.2°F (27.9°C). July brings the highest temperatures, with an average high of 82.2°F (27.9°C) and an average low of 63.1°F (17.3°C). The heat index for July is computed to be a tropical 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Unionville, Connecticut, with an average temperature varying between 61.5°F (16.4°C) and 80.2°F (26.8°C). As Unionville welcomes August, the average high-temperature records at a still warm 80.2°F (26.8°C), marking an insignificant deviation from the prior month. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Unionville, Connecticut, with an average temperature ranging between max 72.9°F (22.7°C) and min 54.7°F (12.6°C). As September commences, the average high-temperature subtly reduces, transitioning from a warm 80.2°F (26.8°C) in August to an agreeable 72.9°F (22.7°C). Weather in September »Weather in October
October, the same as September, in Unionville, Connecticut, is a moderate autumn month, with an average temperature ranging between max 60.1°F (15.6°C) and min 45.5°F (7.5°C). October comes with a drop in the average high-temperature, falling from September's pleasant 72.9°F (22.7°C) to a moderate 60.1°F (15.6°C). Weather in October »Weather in November
November, the last month of the autumn in Unionville, is also a frosty month, with temperature in the range of an average high of 48.2°F (9°C) and an average low of 34.9°F (1.6°C). November brings a decrease in the average high-temperature, shifting from a moderate 60.1°F (15.6°C) in October to a chilly 48.2°F (9°C). Weather in November »Weather in December
December, the first month of the winter in Unionville, is also a wintry month, with an average temperature varying between 26.8°F (-2.9°C) and 37.6°F (3.1°C). Start of December brings a shift in the average high-temperature, falling from November's frosty 48.2°F (9°C) to a wintry 37.6°F (3.1°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
January, with its high-temperature average of 32°F (0°C) and a low-temperature average of 20.1°F (-6.6°C), is the coldest month.
Throughout the year, in Unionville, there are 159.6 rainfall days, and 31.97" (812mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
In Unionville, Connecticut, during the entire year, snow falls for 33.1 days and aggregates up to 18.39" (467mm) of snow.
The months with the lowest UV index in Unionville are January through March, November and December, with an average maximum UV index of 2.
The most humid month in Unionville is February, with an average relative humidity of 80%.
February is the month with the most snowfall. Snow falls for 8.9 days and accumulates 5.24" (133mm) of snow.
The month with the least sunshine is February, with an average of 4.6h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Unionville, 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.
With an average relative humidity of 71%, April is the least humid month in Unionville, Connecticut.
In Unionville, snow does not fall in June through September.
With an average of 15h and 12min of daylight, June has the longest days of the year in Unionville, Connecticut.
The months with the highest UV index in Unionville are June and July, with an average maximum UV index of 6.
Temperature records mark July as the warmest month, with highs averaging 82.2°F (27.9°C) and lows at 63.1°F (17.3°C).
The months with the most sunshine in Unionville, Connecticut, are July and August, with an average of 10.3h of sunshine.
September is the month with the least rainfall. Rain falls for 12.6 days and accumulates 1.97" (50mm) of precipitation.
December is the month with the most rainfall in Unionville. Rain falls for 10.5 days and accumulates 3.43" (87mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 12min of daylight.
Average temperature
Unionville, 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 (32°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 (20.1°F).
Average pressure
Unionville, 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:
30.06"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
Unionville, 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:
7.8mph - 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:
6.9mph - Average wind speed in November:
7.4mph - Average wind speed in December:
7.8mph
The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity
Unionville, CT
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).
Average rainfall
Unionville, CT
- Average rainfall in January:
2.32" - Average rainfall in February:
2.36" - Average rainfall in March:
2.56" - Average rainfall in April:
2.76" - Average rainfall in May:
2.6" - Average rainfall in June:
2.72"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.52" - Average rainfall in September:
1.97" - Average rainfall in October:
3.19" - Average rainfall in November:
2.8" - 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 (1.97").
Average rainfall days
Unionville, CT
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
9.5 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
16.9 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
14.9 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
14.1 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (9.4 days).
Average snowfall
Unionville, CT
- Average snowfall in January:
3.74" - Average snowfall in February:
5.24" - Average snowfall in March:
4.17" - Average snowfall in April:
0.79" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Unionville, CT
- Average snowfall days in January:
8.2 days - Average snowfall days in February:
8.9 days - Average snowfall days in March:
6.8 days - Average snowfall days in April:
0.8 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:
0.2 days - Average snowfall days in November:
1.9 days - Average snowfall days in December:
6.1 days
The month with the highest number of snowfall days is February (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Unionville, 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 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 54min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 6min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 42min
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
Unionville, CT
- Average sunshine days in January:
17.1 days - Average sunshine days in February:
13.1 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
14.2 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
17 days - Average sunshine days in December:
15.7 days
The month with the most sunshine days is January (17.1 days).
The month with the least sunshine days is June (11.6 days).
Average UV index
Unionville, CT
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Unionville, CT
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Unionville, CT
The months with the highest visibility are April, October, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August and September (5mi).
