Climate and monthly weather forecast
Wallingford, CT

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Weather in January

January, the same as December, is an icy winter month in Wallingford, Connecticut, with an average temperature fluctuating between 21.9°F (-5.6°C) and 33.6°F (0.9°C). Wallingford reaches its lowest average temperatures in January, measuring 33.6°F (0.9°C) at the peak and 21.9°F (-5.6°C) at the lowest. Weather in January »

Weather in February

February, the last month of the winter in Wallingford, is also a wintry month, with an average temperature varying between 37°F (2.8°C) and 22.8°F (-5.1°C). The shift into February uncovers an average high-temperature of a still icy 37°F (2.8°C), subtly different from the previous month. Weather in February »

Weather in March

March, the first month of the spring in Wallingford, is a chilly month, with an average temperature varying between 30.2°F (-1°C) and 44.6°F (7°C). With the onset of March, Wallingford's average high-temperature sees a modest rise, moving from February's wintry 37°F (2.8°C) to a frosty 44.6°F (7°C). Weather in March »

Weather in April

April is a refreshing spring month in Wallingford, Connecticut, with an average temperature fluctuating between 56.8°F (13.8°C) and 39.9°F (4.4°C). April brings a temperature change, with average high-temperatures moving from March's chilly 44.6°F (7°C) to a refreshing 56.8°F (13.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Wallingford, Connecticut, with temperature in the range of an average high of 68.5°F (20.3°C) and an average low of 49.6°F (9.8°C). The start of May signals an increase in the average high-temperature, moving from a refreshing 56.8°F (13.8°C) in April to an agreeable 68.5°F (20.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Wallingford, Connecticut, with temperature in the range of an average low of 57.4°F (14.1°C) and an average high of 76.1°F (24.5°C). With the transition into June, Wallingford experiences a subtle uplift in average high-temperatures, adjusting from a pleasant 68.5°F (20.3°C) in May to a warm 76.1°F (24.5°C). Weather in June »

Weather in July

July, like June, in Wallingford, Connecticut, is another warm summer month, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 82.9°F (28.3°C). During the warmest month, July, temperatures average a high of 82.9°F (28.3°C) and a low of 64°F (17.8°C). The heat index value during July is computed to be a tropical 89.6°F (32°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Wallingford, Connecticut, with an average temperature ranging between min 63°F (17.2°C) and max 80.8°F (27.1°C). The average high-temperature during August is a still moderately hot 80.8°F (27.1°C), almost matching the conditions of the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Wallingford, is still a warm month, with an average temperature ranging between max 73.6°F (23.1°C) and min 56.3°F (13.5°C). Transitioning from August to September involves a subtle drop in average high-temperatures, descending from 80.8°F (27.1°C) to a still moderately hot 73.6°F (23.1°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Wallingford, Connecticut, with an average temperature ranging between max 61.7°F (16.5°C) and min 47.1°F (8.4°C). The onset of October entails a temperature shift, as the average high-temperature decreases from a warm 73.6°F (23.1°C) in September to a comfortable 61.7°F (16.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Wallingford, Connecticut, with an average temperature varying between 36.5°F (2.5°C) and 49.1°F (9.5°C). Wallingford, Connecticut, in November experiences a subtle temperature decline, with average high-temperatures reducing from a comfortable 61.7°F (16.5°C) in October to a frosty 49.1°F (9.5°C). Weather in November »

Weather in December

December, the first month of the winter in Wallingford, is also an icy month, with an average temperature fluctuating between 39.7°F (4.3°C) and 29.1°F (-1.6°C). The average high-temperature decreases in December, shifting from a chilly 49.1°F (9.5°C) in November to an icy 39.7°F (4.3°C). Weather in December »
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

Temperature readings in Wallingford reach their annual highs in January, averaging 33.6°F (0.9°C) and a minimum average of 21.9°F (-5.6°C).

How many days does it rain in Wallingford?

In Wallingford, Connecticut, during the entire year, the rain falls for 162.7 days and collects up to 34.57" (878mm) of precipitation.

When does it snow?

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

How much does it snow?

Throughout the year, there are 30 snowfall days, and 15.28" (388mm) of snow is accumulated.

What are the months with the lowest UV index?

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 Wallingford?

With an average relative humidity of 79%, February is the most humid month.

What is the month with the least sunshine in Wallingford?

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

What is the snowiest month?

March is the month with the most snowfall. Snow falls for 6.5 days and accumulates 4.06" (103mm) of snow.

When is Daylight Saving Time (DST)?

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?

April is the least humid month, with an average relative humidity of 71%.

When it does not snow?

June through October are months without snowfall.

When are the longest days?

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

What are the months with the highest UV index in Wallingford?

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

What part of the year is the hottest in Wallingford?

Temperature readings reach their annual highs in July, averaging 82.9°F (28.3°C) and a minimum average of 64°F (17.8°C).

What month has the most sunshine?

August has the most sunshine of the year, with an average of 10.2h of sunshine.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.97" (50mm) of precipitation.

What is the wettest month?

December is the month with the most rainfall. Rain falls for 11.5 days and accumulates 3.82" (97mm) of precipitation.

What is the month with the shortest days?

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

Average temperature
Wallingford, CT

Average temperature - Wallingford, CT

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.6°F).

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average pressure
Wallingford, CT

Average pressure - Wallingford, 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
Wallingford, CT

Average wind speed - Wallingford, CT

The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity
Wallingford, CT

Average humidity - Wallingford, CT

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

Average rainfall
Wallingford, CT

Average rainfall - Wallingford, CT

The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days
Wallingford, CT

Average rainfall days - Wallingford, CT

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.4 days).

Average snowfall
Wallingford, CT

Average snowfall - Wallingford, CT

The month with the highest snowfall is March (4.06").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days
Wallingford, CT

Average snowfall days - Wallingford, CT

The month with the highest number of snowfall days is February (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Wallingford, CT

Average daylight / Average sunshine - Wallingford, 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 month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days
Wallingford, CT

Average sunshine days - Wallingford, CT

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (10.9 days).

Average UV index
Wallingford, CT

Average UV index - Wallingford, 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
Wallingford, CT

Average visibility - Wallingford, CT

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

Wallingford, Connecticut, USA

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