Climate and monthly weather forecast
Grantville, CT

Share

Weather in January

January, like December, is another subzero cold winter month in Grantville, Connecticut, with an average temperature varying between 30.4°F (-0.9°C) and 18°F (-7.8°C). January, with average temperatures reaching a high of 30.4°F (-0.9°C) and a low of 18°F (-7.8°C), is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Grantville, is a cold month, with temperature in the range of an average high of 33.8°F (1°C) and an average low of 19.2°F (-7.1°C). The shift into February finds Grantville at an average high-temperature of a wintry 33.8°F (1°C), closely comparable to January's conditions. Weather in February »

Weather in March

The first month of the spring, March, is also a wintry month in Grantville, Connecticut, with an average temperature fluctuating between 41.9°F (5.5°C) and 26.8°F (-2.9°C). As March begins, there's a slight increase in the average high-temperature, moving from 33.8°F (1°C) in February to a still icy 41.9°F (5.5°C). Weather in March »

Weather in April

April in Grantville, Connecticut, is a refreshing spring month, with an average temperature fluctuating between 37.6°F (3.1°C) and 55.4°F (13°C). April's arrival is marked by an increase in the average high-temperature, moving from a cold 41.9°F (5.5°C) in March to a refreshing 55.4°F (13°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Grantville, Connecticut, with an average temperature ranging between min 47.3°F (8.5°C) and max 67.1°F (19.5°C). With the onset of May, Grantville's average high-temperature experiences a rise, moving from April's moderate 55.4°F (13°C) to a still refreshing 67.1°F (19.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Grantville, Connecticut, with an average temperature ranging between min 55°F (12.8°C) and max 74.8°F (23.8°C). Grantville in June experiences a slight uptick in the average high-temperature, adjusting from May's enjoyable 67.1°F (19.5°C) to a warm 74.8°F (23.8°C). Weather in June »

Weather in July

July, like June, in Grantville, Connecticut, is another warm summer month, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 61.2°F (16.2°C). July registers as the month with the highest average temperatures, reaching 81°F (27.2°C) at its peak and 61.2°F (16.2°C) at the lowest. In July, the average heat index is appraised at a tropical 86°F (30°C). Weather in July »

Weather in August

August, the last month of the summer in Grantville, is another warm month, with an average temperature varying between 78.8°F (26°C) and 59.7°F (15.4°C). The beginning of August records an average high-temperature of a still moderately hot 78.8°F (26°C), marking a negligible difference from July's 81°F (27.2°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Grantville, Connecticut, with an average temperature fluctuating between 53.1°F (11.7°C) and 71.8°F (22.1°C). In September, the meteorological conditions change slightly, with the average high-temperature moving from a warm 78.8°F (26°C) in August to an agreeable 71.8°F (22.1°C). Weather in September »

Weather in October

October, the same as September, in Grantville, Connecticut, is another refreshing autumn month, with an average temperature fluctuating between 43.9°F (6.6°C) and 58.5°F (14.7°C). The commencement of October indicates a shift in the average high-temperature, receding from September's agreeable 71.8°F (22.1°C) to a moderate 58.5°F (14.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Grantville, is another chilly month, with temperature in the range of an average high of 46.4°F (8°C) and an average low of 33.3°F (0.7°C). With November's onset, the weather shows a temperature decrease, transitioning from a refreshing 58.5°F (14.7°C) in October to a frosty 46.4°F (8°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Grantville, Connecticut, with temperature in the range of an average high of 36.1°F (2.3°C) and an average low of 25.3°F (-3.7°C). December ushers in a slight temperature change, with average high-temperatures reducing from November's chilly 46.4°F (8°C) to a cold 36.1°F (2.3°C). Weather in December »
[Resources]

Frequently asked questions

What time of the year is the coldest in Grantville?

The coldest period in Grantville, Connecticut, is January, when temperatures fluctuate between an average high of 30.4°F (-0.9°C) and a low of 18°F (-7.8°C).

How many days does it rain in Grantville?

In Grantville, Connecticut, during the entire year, the rain falls for 157.2 days and collects up to 33.31" (846mm) of precipitation.

When does it snow in Grantville?

Months with snowfall in Grantville, Connecticut, are January through May, October through December.

How many days does it snow in Grantville?

Throughout the year, in Grantville, there are 45.3 snowfall days, and 25.63" (651mm) of snow is accumulated.

What is the month with the lowest UV index in Grantville?

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

What is the most humid month in Grantville?

With an average relative humidity of 82%, February is the most humid month in Grantville, Connecticut.

When does it snow the most in Grantville?

The month with the most snowfall is February, when snow falls for 11.3 days and typically aggregates up to 6.38" (162mm) of snow.

What is the month with the least sunshine in Grantville?

With an average of 4.2h of sunshine, February has the least sunshine of the year.

When is Daylight Saving Time (DST) in Grantville?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Grantville, Connecticut, 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 Grantville?

The least humid month in Grantville is April, with an average relative humidity of 74%.

When it does not snow in Grantville?

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

When are the longest days in Grantville?

June has the longest days of the year in Grantville, Connecticut, with an average of 15h and 12min of daylight.

When is the highest UV index in Grantville?

June is the month with the highest UV index in Grantville, with an average maximum UV index of 6.

What part of the year is the hottest in Grantville?

In Grantville, July is identified by the average highest temperatures, reaching a peak of 81°F (27.2°C) and a low of 61.2°F (16.2°C).

What month has the most sunshine in Grantville?

With an average of 10h of sunshine, July has the most sunshine of the year in Grantville.

What is the driest month in Grantville?

September is the month with the least rainfall. Rain falls for 13 days and accumulates 2.09" (53mm) of precipitation.

What is the rainiest month in Grantville?

The wettest months are October and December, with an average 3.31" (84mm) of rainfall.

What is the month with the shortest days in Grantville?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

Average temperature
Grantville, CT

Average temperature - Grantville, CT

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.4°F).

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (18°F).

[Resources]

Average pressure
Grantville, CT

Average pressure - Grantville, 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
Grantville, CT

Average wind speed - Grantville, CT

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

[Resources]

Average rainfall
Grantville, CT

Average rainfall - Grantville, CT

The wettest months (with the highest rainfall) are October and December (3.31").
The driest month (with the least rainfall) is September (2.09").

[Resources]

Average rainfall days
Grantville, CT

Average rainfall days - Grantville, CT

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (7.1 days).

[Resources]

Average snowfall
Grantville, CT

Average snowfall - Grantville, CT

The month with the highest snowfall is February (6.38").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days
Grantville, CT

Average snowfall days - Grantville, CT

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight / Average sunshine
Grantville, CT

Average daylight / Average sunshine - Grantville, CT

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).

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

[Resources]

Average sunshine days
Grantville, CT

Average sunshine days - Grantville, CT

The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is June (11.4 days).

[Resources]

Average UV index
Grantville, CT

Average UV index - Grantville, CT

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

[Resources]

Average visibility
Grantville, CT

Average visibility - Grantville, CT

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).

[Resources]

Grantville, Connecticut, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location