Climate and monthly weather forecast
Bethany, CT

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Weather in January

January, the same as December, is another cold winter month in Bethany, Connecticut, with temperature in the range of an average high of 34.5°F (1.4°C) and an average low of 23.4°F (-4.8°C). Bethany's coldest weather arrives in January, when temperatures average a high of 34.5°F (1.4°C) and a low of 23.4°F (-4.8°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Bethany, Connecticut, with an average temperature ranging between min 24.3°F (-4.3°C) and max 37°F (2.8°C). With the onset of February, Bethany's average high-temperature clocks in at a still wintry 37°F (2.8°C), showing a minor fluctuation from the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Bethany, Connecticut, with an average temperature varying between 31.5°F (-0.3°C) and 44.2°F (6.8°C). Bethany, Connecticut, observes a slight ascent in average high-temperatures during March, adjusting from a wintry 37°F (2.8°C) in February to a chilly 44.2°F (6.8°C). Weather in March »

Weather in April

April in Bethany, Connecticut, is a moderate spring month, with an average temperature ranging between max 55.9°F (13.3°C) and min 41.4°F (5.2°C). A shift in the average high-temperature is noticeable in April, changing from a chilly 44.2°F (6.8°C) in March to a moderate 55.9°F (13.3°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Bethany, Connecticut, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 66.9°F (19.4°C). Bethany's transition into May is marked by a temperature shift, moving from a moderate 55.9°F (13.3°C) in April to a still refreshing 66.9°F (19.4°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Bethany, Connecticut, with an average temperature ranging between max 75.4°F (24.1°C) and min 58.6°F (14.8°C). In Bethany, the onset of June comes with a modest high-temperature shift, transitioning from May's enjoyable 66.9°F (19.4°C) to a moderately hot 75.4°F (24.1°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Bethany, Connecticut, with an average temperature varying between 65.5°F (18.6°C) and 81.7°F (27.6°C). Bethany, Connecticut, reaches its highest average temperatures in July, measuring 81.7°F (27.6°C) at the peak and 65.5°F (18.6°C) at the lowest. July's average heat index is computed to be a tropical 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Bethany, is another warm month, with an average temperature fluctuating between 80.1°F (26.7°C) and 64.4°F (18°C). Bethany notes an average high-temperature of a still moderately hot 80.1°F (26.7°C) in August, hardly diverging from July. Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Bethany, Connecticut, with an average temperature ranging between max 73.2°F (22.9°C) and min 58.1°F (14.5°C). The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a moderately hot 80.1°F (26.7°C) in August to a pleasant 73.2°F (22.9°C). Weather in September »

Weather in October

October, like September, in Bethany, Connecticut, is another enjoyable autumn month, with an average temperature varying between 61.7°F (16.5°C) and 48.6°F (9.2°C). A subtle decrease in the average high-temperature marks October, falling from September's agreeable 73.2°F (22.9°C) to an enjoyable 61.7°F (16.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Bethany, Connecticut, with an average temperature fluctuating between 37.9°F (3.3°C) and 49.5°F (9.7°C). November is characterized by a reduction in the average high-temperature, from a refreshing 61.7°F (16.5°C) in October to a chilly 49.5°F (9.7°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Bethany, Connecticut, with an average temperature ranging between max 40.3°F (4.6°C) and min 30.4°F (-0.9°C). Bethany's weather changes with the onset of December, slightly falling from a chilly 49.5°F (9.7°C) in November to a cold 40.3°F (4.6°C). Weather in December »
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Bethany?

The month of January, characterized by an average high of 34.5°F (1.4°C) and a low of 23.4°F (-4.8°C), is recognized as the coldest in Bethany, Connecticut.

How much does it rain in Bethany?

In Bethany, Connecticut, during the entire year, the rain falls for 134.2 days and collects up to 15.12" (384mm) of precipitation.

When does it snow in Bethany?

Months with snowfall are January through May, November and December.

How much does it snow in Bethany?

In Bethany, Connecticut, during the entire year, snow falls for 20.5 days and aggregates up to 4.02" (102mm) of snow.

When is the lowest UV index in Bethany?

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

What is the most humid month in Bethany?

February is the most humid month in Bethany, with an average relative humidity of 78%.

What is the driest month in Bethany?

February is the month with the least rainfall. Rain falls for 7.9 days and accumulates 0.79" (20mm) of precipitation.

What is the snowiest month in Bethany?

February is the month with the most snowfall in Bethany. Snow falls for 6.7 days and accumulates 1.14" (29mm) of snow.

What is the month with the least sunshine in Bethany?

With an average of 4.7h of sunshine, February has the least sunshine of the year in Bethany.

When is Daylight Saving Time (DST) in Bethany?

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 in Bethany?

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

When it does not snow in Bethany?

In Bethany, snow does not fall in June through October.

When are the longest days in Bethany?

June has the longest days of the year, with an average of 15h and 6min of daylight.

When is the highest UV index in Bethany?

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

What is the hottest time of year in Bethany?

July, recognised by an average high temperature of 81.7°F (27.6°C) and a low of 65.5°F (18.6°C), is Bethany's warmest month.

What is the wettest month in Bethany?

July is the month with the most rainfall in Bethany. Rain falls for 15.3 days and accumulates 1.69" (43mm) of precipitation.

What are the months with the most sunshine in Bethany?

July and August, with an average of 10.4h of sunshine, are months with the most sunshine.

What is the month with the shortest days in Bethany?

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

Average temperature
Bethany, CT

Average temperature - Bethany, CT

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (34.5°F).

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure
Bethany, CT

Average pressure - Bethany, 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).

Average wind speed
Bethany, CT

Average wind speed - Bethany, CT

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity
Bethany, CT

Average humidity - Bethany, CT

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall
Bethany, CT

Average rainfall - Bethany, CT

The wettest month (with the highest rainfall) is July (1.69").
The driest month (with the least rainfall) is February (0.79").

Average rainfall days
Bethany, CT

Average rainfall days - Bethany, CT

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (7.2 days).

Average snowfall
Bethany, CT

Average snowfall - Bethany, CT

The month with the highest snowfall is February (1.14").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days
Bethany, CT

Average snowfall days - Bethany, CT

The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight / Average sunshine
Bethany, CT

Average daylight / Average sunshine - Bethany, CT

The month with the longest days is June (Average daylight: 15h and 6min).
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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days
Bethany, CT

Average sunshine days - Bethany, CT

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is June (13.2 days).

Average UV index
Bethany, CT

Average UV index - Bethany, 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 visibility
Bethany, CT

Average visibility - Bethany, CT

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

Bethany, Connecticut, USA

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