Exton
Pennsylvania, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Exton, PA

January, like December, in Exton, Pennsylvania, is a wintry winter month, with average temperature fluctuating between 24.3°F (-4.3°C) and 36.1°F (2.3°C). January is the coldest month, with an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 24.3°F (-4.3°C). Weather in January »

The last month of the winter, February, is also a wintry month in Exton, Pennsylvania, with temperature in the range of an average low of 26.4°F (-3.1°C) and an average high of 39.7°F (4.3°C). In February, the average high-temperature is relatively the same as in January - a still wintry 39.7°F (4.3°C). Weather in February »

The first month of the spring, March, is a frosty month in Exton, Pennsylvania, with average temperature ranging between min 33.4°F (0.8°C) and max 48.2°F (9°C). In Exton, Pennsylvania, the average high-temperature marginally rises, from a wintry 39.7°F (4.3°C) in February, to a frosty 48.2°F (9°C). Weather in March »

April is a mild spring month in Exton, Pennsylvania, with temperature in the range of an average low of 43.5°F (6.4°C) and an average high of 60.6°F (15.9°C). In April, the average high-temperature rises, from a chilly 48.2°F (9°C) in March, to a moderate 60.6°F (15.9°C). Weather in April »

May, the last month of the spring, in Exton, is a pleasant month, with temperature in the range of an average high of 71.1°F (21.7°C) and an average low of 53.6°F (12°C). In May, the average high-temperature increases, from a moderate 60.6°F (15.9°C) in April, to a pleasant 71.1°F (21.7°C). Weather in May »

June, the first month of the summer, in Exton, is a warm month, with average temperature ranging between max 79°F (26.1°C) and min 61.5°F (16.4°C). In June, the average high-temperature marginally rises, from a pleasant 71.1°F (21.7°C) in May, to a moderately hot 79°F (26.1°C). Weather in June »

July, like June, in Exton, Pennsylvania, is a moderately hot summer month, with average temperature ranging between min 67.5°F (19.7°C) and max 84.9°F (29.4°C). With an average high-temperature of 84.9°F (29.4°C) and an average low-temperature of 67.5°F (19.7°C), July is the warmest month. In July, the average heat index is evaluated at a tropical 93.7°F (34.3°C). Weather in July »

The last month of the summer, August, is another warm month in Exton, Pennsylvania, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 82.4°F (28°C). In August, the average high-temperature is almost the same as in July - a still moderately hot 82.4°F (28°C). Weather in August »

September, the first month of the autumn, in Exton, is still a warm month, with average temperature fluctuating between 59.2°F (15.1°C) and 75.7°F (24.3°C). In September, the average high-temperature slightly decreases, from 82.4°F (28°C) in August, to a still warm 75.7°F (24.3°C). Weather in September »

October, like September, in Exton, Pennsylvania, is another comfortable autumn month, with average temperature varying between 63.5°F (17.5°C) and 48.9°F (9.4°C). In Exton, the average high-temperature in October decreases, from a warm 75.7°F (24.3°C) in September, to an enjoyable 63.5°F (17.5°C). Weather in October »

November, the last month of the autumn, in Exton, is also a fresh month, with average temperature varying between 51.4°F (10.8°C) and 37.4°F (3°C). In November, the average high-temperature decreases, from an enjoyable 63.5°F (17.5°C) in October, to a fresh 51.4°F (10.8°C). Weather in November »

December, the first month of the winter, in Exton, is also a wintry month, with average temperature varying between 42.3°F (5.7°C) and 31.1°F (-0.5°C). In December, the average high-temperature decreases, from a fresh 51.4°F (10.8°C) in November, to a cold 42.3°F (5.7°C). Weather in December »

What is the coldest month in Exton?

January is the coldest month in Exton, Pennsylvania, with an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 24.3°F (-4.3°C).

How many days does it rain in Exton?

In Exton, Pennsylvania, during the entire year, the rain falls for 124.6 days and collects up to 14.25" (362mm) of precipitation.

What is the driest month in Exton?

January is the month with the least rainfall in Exton. Rain falls for 5 days and accumulates 0.79" (20mm) of precipitation.

When does it snow in Exton?

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

How much does it snow in Exton?

Throughout the year, in Exton, there are 18.5 snowfall days, and 5.51" (140mm) of snow is accumulated.

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

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

What is the most humid month in Exton?

February and October, with an average relative humidity of 79%, are most humid months.

What is the month with the least sunshine in Exton?

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

When does it snow the most in Exton?

March is the month with the most snowfall. Snow falls for 4.5 days and accumulates 1.57" (40mm) of snow.

What are the least humid months in Exton?

Months with the lowest humidity are April and July, with an average relative humidity of 73%.

What is the month with the highest UV index in Exton?

Months with the highest UV index in Exton are May through August, with an average maximum UV index of 6.

When it does not snow in Exton?

June through October are months without snowfall in Exton, Pennsylvania.

When are the longest days in Exton?

June has the longest days of the year in Exton, Pennsylvania, with an average of 15h of daylight.

What is the warmest month in Exton?

The warmest month is July, with an average high-temperature of 84.9°F (29.4°C) and an average low-temperature of 67.5°F (19.7°C).

What month has the most sunshine in Exton?

The month with the most sunshine is July, with an average of 10.5h of sunshine.

What is the rainiest month in Exton?

August is the month with the most rainfall. Rain falls for 14.4 days and accumulates 1.89" (48mm) of precipitation.

What is the month with the shortest days in Exton?

The month with the shortest days is December, with an average of 9.4h of daylight.
Average temperature - Exton, PA
Average humidity - Exton, PA
Average rainfall - Exton, PA

The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the lowest rainfall) is January (0.79").

Average rainfall days - Exton, PA

The month with the highest number of rainy days is July (15.1 days).
The month with the lowest number of rainy days is January (5 days).

Average snowfall - Exton, PA
Average snowfall days - Exton, PA

The month with the highest number of snowfall days is January (5.4 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Exton, PA
Average UV index - Exton, PA

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