Climate and monthly weather forecast
Edwardsville, PA

Weather in January

January, the same as December, in Edwardsville, Pennsylvania, is a freezing cold winter month, with an average temperature ranging between max 30.6°F (-0.8°C) and min 18.7°F (-7.4°C). January is the coldest month, with an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 18.7°F (-7.4°C). Weather in January »

Weather in February

February, the last month of the winter in Edwardsville, is a wintry month, with an average temperature fluctuating between 20.8°F (-6.2°C) and 34.5°F (1.4°C). In February, the average high-temperature is relatively the same as in January - a wintry 34.5°F (1.4°C). Weather in February »

Weather in March

March, the first month of the spring in Edwardsville, is a chilly month, with temperature in the range of an average high of 43°F (6.1°C) and an average low of 27.3°F (-2.6°C). In March, the average high-temperature marginally rises from a cold 34.5°F (1.4°C) in February to a frosty 43°F (6.1°C). Weather in March »

Weather in April

April is a mild spring month in Edwardsville, Pennsylvania, with an average temperature varying between 37.4°F (3°C) and 55.4°F (13°C). In Edwardsville, the average high-temperature in April rises from a chilly 43°F (6.1°C) in March to a mild 55.4°F (13°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Edwardsville, Pennsylvania, with temperature in the range of an average low of 48°F (8.9°C) and an average high of 67.6°F (19.8°C). In Edwardsville, the average high-temperature in May rises from a mild 55.4°F (13°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 Edwardsville, Pennsylvania, with an average temperature fluctuating between 75.2°F (24°C) and 54.5°F (12.5°C). In Edwardsville, the average high-temperature in June marginally rises from a comfortable 67.6°F (19.8°C) in May to a moderately hot 75.2°F (24°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Edwardsville, Pennsylvania, with an average temperature fluctuating between 80.8°F (27.1°C) and 59.2°F (15.1°C). The warmest month is July, with an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 59.2°F (15.1°C). In July, the average heat index is calculated to be a tropical 86°F (30°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Edwardsville, Pennsylvania, with an average temperature ranging between max 78.3°F (25.7°C) and min 57.6°F (14.2°C). In August, the average high-temperature is relatively the same as in July - a still moderately hot 78.3°F (25.7°C). Weather in August »

Weather in September

September, the first month of the autumn in Edwardsville, is also an agreeable month, with an average temperature ranging between max 71.4°F (21.9°C) and min 51.6°F (10.9°C). In Edwardsville, Pennsylvania, the average high-temperature in September marginally drops from a moderately hot 78.3°F (25.7°C) in August to a pleasant 71.4°F (21.9°C). Weather in September »

Weather in October

October, the same as September, in Edwardsville, Pennsylvania, is another mild autumn month, with an average temperature ranging between max 59°F (15°C) and min 42.8°F (6°C). In October, the average high-temperature drops from an agreeable 71.4°F (21.9°C) in September to a moderate 59°F (15°C). Weather in October »

Weather in November

November, the last month of the autumn in Edwardsville, is another chilly month, with an average temperature fluctuating between 32.5°F (0.3°C) and 46.2°F (7.9°C). In Edwardsville, the average high-temperature in November drops from a moderate 59°F (15°C) in October to a chilly 46.2°F (7.9°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Edwardsville, Pennsylvania, with an average temperature fluctuating between 25.9°F (-3.4°C) and 36.9°F (2.7°C). In December, the average high-temperature drops from a frosty 46.2°F (7.9°C) in November to a wintry 36.9°F (2.7°C). Weather in December »
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FAQ

What is the coldest month in Edwardsville?

January is the coldest month in Edwardsville, with an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 18.7°F (-7.4°C).

How many days does it rain in Edwardsville?

Throughout the year, there are 142.7 rainfall days, and 13.19" (335mm) of precipitation is accumulated.

When does it snow in Edwardsville?

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

How much does it snow in Edwardsville?

In Edwardsville, during the entire year, snow falls for 49.9 days and aggregates up to 9.92" (252mm) of snow.

What are the months with the least sunshine in Edwardsville?

The months with the least sunshine are January and February, with an average of 3.7h of sunshine.

What are the most humid months in Edwardsville?

February and December, with an average relative humidity of 84%, are most humid months in Edwardsville.

When does it snow the most in Edwardsville?

The month with the most snowfall is February, when snow falls for 11.5 days and typically aggregates up to 2.83" (72mm) of snow.

When is Daylight Saving Time (DST) in Edwardsville?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Edwardsville, Pennsylvania, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Edwardsville?

With an average relative humidity of 77%, April is the least humid month in Edwardsville.

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

May through August, with an average maximum UV index of 5, are months with the highest UV index in Edwardsville.

When it does not snow in Edwardsville?

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

When are the longest days in Edwardsville?

The month with the longest days in Edwardsville is June, with an average of 15h and 7min of daylight.

What is the warmest month in Edwardsville?

The warmest month in Edwardsville, Pennsylvania, is July, with an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 59.2°F (15.1°C).

What is the rainiest month in Edwardsville?

The month with the most rainfall is July, when the rain falls for 15.2 days and typically aggregates up to 1.5" (38mm) of precipitation.

What month has the most sunshine in Edwardsville?

With an average of 10.2h of sunshine, July has the most sunshine of the year.

What is the driest month in Edwardsville?

The month with the least rainfall in Edwardsville, Pennsylvania, is September, when the rain falls for 9.9 days and typically collects 0.71" (18mm) of precipitation.

What is the month with the shortest days in Edwardsville?

The month with the shortest days is December, with an average of 9h and 16min of daylight.

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

The month with the lowest UV index in Edwardsville is December, with an average maximum UV index of 1.

Average temperature
Edwardsville, PA

Average temperature - Edwardsville, PA

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

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Average pressure
Edwardsville, PA

Average pressure - Edwardsville, PA

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed
Edwardsville, PA

Average wind speed - Edwardsville, PA

The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity
Edwardsville, PA

Average humidity - Edwardsville, PA

The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is April (77%).

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Average rainfall
Edwardsville, PA

Average rainfall - Edwardsville, PA

The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is September (0.71").

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Average rainfall days
Edwardsville, PA

Average rainfall days - Edwardsville, PA

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall
Edwardsville, PA

Average snowfall - Edwardsville, PA

The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Edwardsville, PA

Average snowfall days - Edwardsville, PA

The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Edwardsville, PA

Average daylight / Average sunshine - Edwardsville, PA

The month with the longest days is June (Average daylight: 15h and 7min).
The month with the shortest days is December (Average daylight: 9h and 16min).

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).

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Average sunshine days
Edwardsville, PA

Average sunshine days - Edwardsville, PA

The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (11.6 days).

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Average visibility
Edwardsville, PA

Average visibility - Edwardsville, PA

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

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