Climate and monthly weather forecast
Simsbury, CT

The iconic old tower set amid dense tree cover in Simsbury, Connecticut
The iconic old tower set amid dense tree cover in Simsbury, Connecticut

Weather in January

January, like December, in Simsbury, Connecticut, is a wintry winter month, with an average temperature fluctuating between 32°F (0°C) and 20.1°F (-6.6°C). The coldest month is January, with an average high-temperature of 32°F (0°C) and an average low-temperature of 20.1°F (-6.6°C). Weather in January »

Weather in February

February, the last month of the winter in Simsbury, is also a wintry month, with an average temperature varying between 35.2°F (1.8°C) and 20.7°F (-6.3°C). In Simsbury, the average high-temperature in February is practically the same as in January - a still cold 35.2°F (1.8°C). Weather in February »

Weather in March

March, the first month of the spring in Simsbury, is a chilly month, with an average temperature ranging between min 28.8°F (-1.8°C) and max 42.8°F (6°C). In March, the average high-temperature slightly increases from a wintry 35.2°F (1.8°C) in February to a frosty 42.8°F (6°C). Weather in March »

Weather in April

April is a moderate spring month in Simsbury, Connecticut, with an average temperature ranging between min 38.8°F (3.8°C) and max 56.1°F (13.4°C). In Simsbury, Connecticut, the average high-temperature in April increases from a chilly 42.8°F (6°C) in March to a mild 56.1°F (13.4°C). Weather in April »

Weather in May

May, the last month of the spring in Simsbury, is an enjoyable month, with an average temperature varying between 67.6°F (19.8°C) and 48.7°F (9.3°C). In May, the average high-temperature increases from a moderate 56.1°F (13.4°C) in April to an enjoyable 67.6°F (19.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Simsbury, 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). In Simsbury, the average high-temperature in June slightly increases from a comfortable 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 Simsbury, Connecticut, with an average temperature varying between 82.2°F (27.9°C) and 63.1°F (17.3°C). The warmest month is July, with an average high-temperature of 82.2°F (27.9°C) and an average low-temperature of 63.1°F (17.3°C). In July, the average heat index is computed to be a hot 88°F (31.1°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Simsbury, Connecticut, with an average temperature fluctuating between 80.2°F (26.8°C) and 61.5°F (16.4°C). In Simsbury, the average high-temperature in August is relatively the same as in July - a still warm 80.2°F (26.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Simsbury, Connecticut, with temperature in the range of an average high of 72.9°F (22.7°C) and an average low of 54.7°F (12.6°C). In September, the average high-temperature marginally drops from a moderately hot 80.2°F (26.8°C) in August to an agreeable 72.9°F (22.7°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Simsbury, Connecticut, with an average temperature ranging between min 45.5°F (7.5°C) and max 60.1°F (15.6°C). In Simsbury, the average high-temperature in October decreases from a pleasant 72.9°F (22.7°C) in September to a mild 60.1°F (15.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Simsbury, is another chilly month, with an average temperature fluctuating between 48.2°F (9°C) and 34.9°F (1.6°C). In November, the average high-temperature decreases 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 Simsbury, is also a wintry month, with temperature in the range of an average low of 26.8°F (-2.9°C) and an average high of 37.6°F (3.1°C). In December, the average high-temperature drops from a frosty 48.2°F (9°C) in November to a cold 37.6°F (3.1°C). Weather in December »
[Resources]

FAQ

What is the coldest month in Simsbury?

The coldest month is January, with an average high-temperature of 32°F (0°C) and an average low-temperature of 20.1°F (-6.6°C).

How many days does it rain in Simsbury?

In Simsbury, during the entire year, the rain falls for 159.6 days and collects up to 31.97" (812mm) of precipitation.

When does it snow in Simsbury?

Months with snowfall are January through May, October through December.

How many days does it snow in Simsbury?

Throughout the year, in Simsbury, there are 33.1 snowfall days, and 18.39" (467mm) of snow is accumulated.

When is the lowest UV index in Simsbury?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Simsbury.

What is the most humid month in Simsbury?

February is the most humid month in Simsbury, with an average relative humidity of 80%.

When does it snow the most in Simsbury?

February is the month with the most snowfall in Simsbury. Snow falls for 8.9 days and accumulates 5.24" (133mm) of snow.

What is the month with the least sunshine in Simsbury?

The month with the least sunshine in Simsbury, Connecticut, is February, with an average of 4.6h of sunshine.

When is Daylight Saving Time (DST) in Simsbury?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Simsbury, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Simsbury?

With an average relative humidity of 71%, April is the least humid month in Simsbury.

When it does not snow in Simsbury?

In Simsbury, snow does not fall in June through September.

When are the longest days in Simsbury?

June has the longest days of the year, with an average of 15h and 10min of daylight.

What is the month with the highest UV index in Simsbury?

June and July, with an average maximum UV index of 6, are months with the highest UV index.

What is the warmest month in Simsbury?

With an average high-temperature of 82.2°F (27.9°C) and an average low-temperature of 63.1°F (17.3°C), July is the warmest month.

What are the months with the most sunshine in Simsbury?

The months with the most sunshine are July and August, with an average of 10.3h of sunshine.

What is the driest month in Simsbury?

The month with the least rainfall in Simsbury is September, when the rain falls for 12.6 days and typically collects 1.97" (50mm) of precipitation.

What is the wettest month in Simsbury?

December is the month with the most rainfall in Simsbury. Rain falls for 10.5 days and accumulates 3.43" (87mm) of precipitation.

What is the month with the shortest days in Simsbury?

The month with the shortest days is December, with an average of 9h and 12min of daylight.

Average temperature
Simsbury, CT

Average temperature - Simsbury, 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).

[Resources]

Average pressure
Simsbury, CT

Average pressure - Simsbury, CT

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

[Resources]

Average wind speed
Simsbury, CT

Average wind speed - Simsbury, CT

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).

[Resources]

Average rainfall
Simsbury, CT

Average rainfall - Simsbury, CT

The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.97").

[Resources]

Average rainfall days
Simsbury, CT

Average rainfall days - Simsbury, CT

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).

[Resources]

Average snowfall
Simsbury, CT

Average snowfall - Simsbury, CT

The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days
Simsbury, CT

Average snowfall days - Simsbury, CT

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).

[Resources]

Average daylight / Average sunshine
Simsbury, CT

Average daylight / Average sunshine - Simsbury, CT

The month with the longest days is June (Average daylight: 15h and 10min).
The month with the shortest days is December (Average daylight: 9h and 12min).

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).

[Resources]

Average sunshine days
Simsbury, CT

Average sunshine days - Simsbury, CT

The month with the most sunshine days is January (17.1 days).
The month with the least sunshine days is June (11.6 days).

[Resources]

Average UV index
Simsbury, CT

Average UV index - Simsbury, 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).

[Resources]

Average visibility
Simsbury, CT

Average visibility - Simsbury, 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location