Monthly weather forecast and climate
Oakville, CT

Weather in January

January, like December, in Oakville, Connecticut, is a wintry winter month, with temperature in the range of an average high of 33.3°F (0.7°C) and an average low of 21.4°F (-5.9°C). The coldest month is January, with an average high-temperature of 33.3°F (0.7°C) and an average low-temperature of 21.4°F (-5.9°C). Weather in January »

Weather in February

February, the last month of the winter, in Oakville, is another cold month, with average temperature fluctuating between 21.9°F (-5.6°C) and 36°F (2.2°C). In Oakville, Connecticut, the average high-temperature is relatively the same as in January - a still wintry 36°F (2.2°C). Weather in February »

Weather in March

March, the first month of the spring, in Oakville, is a chilly month, with average temperature ranging between min 29.1°F (-1.6°C) and max 44.1°F (6.7°C). In March, the average high-temperature slightly increases, from a wintry 36°F (2.2°C) in February, to a chilly 44.1°F (6.7°C). Weather in March »

Weather in April

April is a mild spring month in Oakville, Connecticut, with average temperature ranging between min 39.7°F (4.3°C) and max 56.7°F (13.7°C). In Oakville, the average high-temperature rises, from a chilly 44.1°F (6.7°C) in March, to a moderate 56.7°F (13.7°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Oakville, Connecticut, with average temperature fluctuating between 48.9°F (9.4°C) and 68.2°F (20.1°C). In Oakville, the average high-temperature rises, from a moderate 56.7°F (13.7°C) in April, to an agreeable 68.2°F (20.1°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Oakville, Connecticut, with temperature in the range of an average high of 76.1°F (24.5°C) and an average low of 56.7°F (13.7°C). In Oakville, the average high-temperature slightly increases, from an agreeable 68.2°F (20.1°C) in May, to a moderately hot 76.1°F (24.5°C). Weather in June »

Weather in July

July, like June, in Oakville, Connecticut, is a moderately hot summer month, with average temperature ranging between min 63.1°F (17.3°C) and max 82.4°F (28°C). July is the warmest month, with an average high-temperature of 82.4°F (28°C) and an average low-temperature of 63.1°F (17.3°C). In July, the average heat index is calculated to a tropical 88.7°F (31.5°C). Weather in July »

Weather in August

August, the last month of the summer, in Oakville, is also a moderately hot month, with average temperature ranging between min 61.7°F (16.5°C) and max 80.6°F (27°C). In Oakville, the average high-temperature in August is relatively the same as in July - a still moderately hot 80.6°F (27°C). Weather in August »

Weather in September

September, the first month of the autumn, in Oakville, is also an agreeable month, with average temperature ranging between min 55.6°F (13.1°C) and max 73.2°F (22.9°C). In September, the average high-temperature slightly decreases, from a warm 80.6°F (27°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 enjoyable autumn month in Oakville, Connecticut, with average temperature ranging between min 46.6°F (8.1°C) and max 61°F (16.1°C). In October, the average high-temperature decreases, 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 Oakville, is another chilly month, with average temperature fluctuating between 48.6°F (9.2°C) and 35.6°F (2°C). In Oakville, the average high-temperature in November drops, from a comfortable 61°F (16.1°C) in October, to a chilly 48.6°F (9.2°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Oakville, Connecticut, with temperature in the range of an average high of 38.7°F (3.7°C) and an average low of 28°F (-2.2°C). In Oakville, the average high-temperature drops, from a chilly 48.6°F (9.2°C) in November, to a wintry 38.7°F (3.7°C). Weather in December »
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FAQ

What is the coldest month in Oakville?

With an average high-temperature of 33.3°F (0.7°C) and an average low-temperature of 21.4°F (-5.9°C), January is the coldest month in Oakville.

How many days does it rain in Oakville?

In Oakville, Connecticut, during the entire year, the rain falls for 158.5 days and collects up to 34.57" (878mm) of precipitation.

When does it snow in Oakville?

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

How many days does it snow in Oakville?

Throughout the year, there are 34.9 snowfall days, and 20.35" (517mm) of snow is accumulated.

When is the lowest UV index in Oakville?

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

What is the most humid month in Oakville?

The most humid month in Oakville, Connecticut, is February, with an average relative humidity of 80%.

What is the snowiest month in Oakville?

The month with the most snowfall is February when snow falls for 9.2 days and typically aggregates up to 5.39" (137mm) of snow.

What is the month with the least sunshine in Oakville?

With an average of 4.5h of sunshine, February has the least sunshine of the year.

What is the least humid month in Oakville?

With an average relative humidity of 72%, April is the least humid month in Oakville.

When it does not snow in Oakville?

June through September are months without snowfall in Oakville, Connecticut.

When are the longest days in Oakville?

The month with the longest days in Oakville, Connecticut, is June, with an average of 15.2h of daylight.

When is the highest UV index in Oakville?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the warmest month in Oakville?

July is the warmest month in Oakville, with an average high-temperature of 82.4°F (28°C) and an average low-temperature of 63.1°F (17.3°C).

What are the months with the most sunshine in Oakville?

Months with the most sunshine in Oakville, Connecticut, are July and August, with an average of 10.1h of sunshine.

What is the driest month in Oakville?

The month with the least rainfall is September when the rain falls for 13 days and typically collects 2.13" (54mm) of precipitation.

What is the rainiest month in Oakville?

December is the month with the most rainfall. Rain falls for 10.5 days and accumulates 3.78" (96mm) of precipitation.

What is the month with the shortest days in Oakville?

The month with the shortest days is December, with an average of 9.2h of daylight.

Average temperature
Oakville, CT

Average temperature - Oakville, CT

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.3°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 (21.4°F).

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Average pressure
Oakville, CT

Average pressure - Oakville, CT

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

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Average wind speed
Oakville, CT

Average wind speed - Oakville, CT

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average rainfall
Oakville, CT

Average rainfall - Oakville, CT

The wettest month (with the highest rainfall) is December (3.78").
The driest month (with the least rainfall) is September (2.13").

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Average rainfall days
Oakville, CT

Average rainfall days - Oakville, CT

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall
Oakville, CT

Average snowfall - Oakville, CT

The month with the highest snowfall is February (5.39").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Oakville, CT

Average snowfall days - Oakville, CT

The month with the highest number of snowfall days is February (9.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Oakville, CT

Average daylight / Average sunshine - Oakville, CT

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

Months with the most sunshine are July and August (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 4.5h).

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Average sunshine days
Oakville, CT

Average sunshine days - Oakville, CT

The month with the most sunshine days is January (18.1 days).
The month with the least sunshine days is June (11.1 days).

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Average UV index
Oakville, CT

Average UV index - Oakville, CT

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average visibility
Oakville, CT

Average visibility - Oakville, CT

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

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