Climate and monthly weather forecast
Delmont, PA

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Weather in January

January, the same as December, is an icy winter month in Delmont, Pennsylvania, with temperature in the range of an average low of 20.5°F (-6.4°C) and an average high of 32.9°F (0.5°C). January is Delmont's coldest month, registering average high temperatures of 32.9°F (0.5°C) and lows of 20.5°F (-6.4°C). Weather in January »

Weather in February

February, the last month of the winter in Delmont, is also an icy month, with an average temperature ranging between max 37°F (2.8°C) and min 23°F (-5°C). Delmont commences February with an average high-temperature of a still cold 37°F (2.8°C), maintaining a close resemblance to the previous month. Weather in February »

Weather in March

March, the first month of the spring in Delmont, is a chilly month, with an average temperature ranging between min 30.7°F (-0.7°C) and max 46.9°F (8.3°C). Delmont in March sees a temperature change, with average high-temperatures moving from a wintry 37°F (2.8°C) in February to a chilly 46.9°F (8.3°C). Weather in March »

Weather in April

April in Delmont, Pennsylvania, is a moderate spring month, with an average temperature varying between 40.6°F (4.8°C) and 59.7°F (15.4°C). The arrival of April brings an increase in high-temperatures, moving from a frosty 46.9°F (8.3°C) in March to a refreshing 59.7°F (15.4°C). Weather in April »

Weather in May

May, the last month of the spring in Delmont, is an agreeable month, with temperature in the range of an average low of 50°F (10°C) and an average high of 71.1°F (21.7°C). Delmont, Pennsylvania, in May experiences an increase in the average high-temperature, moving from April's mild 59.7°F (15.4°C) to a pleasant 71.1°F (21.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Delmont, Pennsylvania, with an average temperature fluctuating between 56.7°F (13.7°C) and 77.7°F (25.4°C). Delmont in June denotes a subtle temperature transition, adjusting from an average high of a pleasant 71.1°F (21.7°C) in May to a moderately hot 77.7°F (25.4°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Delmont, Pennsylvania, with an average temperature fluctuating between 61.2°F (16.2°C) and 82.6°F (28.1°C). Delmont's July weather reaches an average high of 82.6°F (28.1°C) and an average low of 61.2°F (16.2°C), making it the warmest month. The heat index value during July is estimated at a hot 89.6°F (32°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Delmont, Pennsylvania, with an average temperature ranging between max 81.1°F (27.3°C) and min 59.2°F (15.1°C). August notes an average high-temperature of a still warm 81.1°F (27.3°C), subtly differing from July's 82.6°F (28.1°C). Weather in August »

Weather in September

September, the first month of the autumn in Delmont, is also a moderately hot month, with an average temperature varying between 74.5°F (23.6°C) and 54.5°F (12.5°C). The average high-temperature shows a slight dip in September, from August's 81.1°F (27.3°C) to a still moderately hot 74.5°F (23.6°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Delmont, Pennsylvania, with temperature in the range of an average high of 61.5°F (16.4°C) and an average low of 44.6°F (7°C). With October's arrival, Delmont sees a decrease in average high-temperatures, moving from a moderately hot 74.5°F (23.6°C) in September to a refreshing 61.5°F (16.4°C). Weather in October »

Weather in November

November, the last month of the autumn in Delmont, is also a frosty month, with an average temperature ranging between max 48.9°F (9.4°C) and min 33.6°F (0.9°C). Transition from October to November is accompanied by a temperature drop, with average high-temperatures decreasing from a refreshing 61.5°F (16.4°C) to a chilly 48.9°F (9.4°C). Weather in November »

Weather in December

December, the first month of the winter in Delmont, is still a cold month, with an average temperature fluctuating between 39°F (3.9°C) and 27.7°F (-2.4°C). Delmont's weather in December involves a decrease in the average high-temperature, moving down from November's chilly 48.9°F (9.4°C) to a cold 39°F (3.9°C). Weather in December »
Updated: Feb 13, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What part of the year is the coldest in Delmont?

January, noted for its average high-temperature of 32.9°F (0.5°C) and an average low-temperature of 20.5°F (-6.4°C), is considered the coldest month.

What are the most humid months in Delmont?

January and February, with an average relative humidity of 85%, are most humid months in Delmont, Pennsylvania.

How much does it rain in Delmont?

In Delmont, Pennsylvania, during the entire year, the rain falls for 183.8 days and collects up to 35.16" (893mm) of precipitation.

When does it snow in Delmont?

January through May, October through December are months with snowfall in Delmont, Pennsylvania.

What is the snowiest month in Delmont?

January is the month with the most snowfall in Delmont. Snow falls for 18.2 days and accumulates 7.05" (179mm) of snow.

How much does it snow in Delmont?

In Delmont, Pennsylvania, during the entire year, snow falls for 65 days and aggregates up to 28.98" (736mm) of snow.

What is the month with the least sunshine in Delmont?

The month with the least sunshine in Delmont is January, with an average of 2.9h of sunshine.

When is Daylight Saving Time (DST) in Delmont?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Delmont, Pennsylvania, 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 Delmont?

April, July and August, with an average relative humidity of 77%, are the least humid months.

What is the rainiest month in Delmont?

The month with the most rainfall in Delmont is May, when the rain falls for 20.1 days and typically aggregates up to 3.78" (96mm) of precipitation.

When it does not snow in Delmont?

June through September are months without snowfall in Delmont.

When are the longest days in Delmont?

June has the longest days of the year, with an average of 15h and 0min of daylight.

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

The months with the highest UV index in Delmont, Pennsylvania, are June and July, with an average maximum UV index of 6.

What is the hottest time of year in Delmont?

With average temperatures fluctuating between a high of 82.6°F (28.1°C) and a low of 61.2°F (16.2°C), July stands out as the warmest month.

What month has the most sunshine in Delmont?

August has the most sunshine of the year in Delmont, Pennsylvania, with an average of 10.1h of sunshine.

What is the driest month in Delmont?

The month with the least rainfall is November, when the rain falls for 11.7 days and typically collects 2.09" (53mm) of precipitation.

What is the month with the shortest days in Delmont?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

When is the lowest UV index in Delmont?

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

Average temperature
Delmont, PA

Average temperature - Delmont, PA

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32.9°F).

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure
Delmont, PA

Average pressure - Delmont, PA

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed
Delmont, PA

Average wind speed - Delmont, PA

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity
Delmont, PA

Average humidity - Delmont, PA

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall
Delmont, PA

Average rainfall - Delmont, PA

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is November (2.09").

Average rainfall days
Delmont, PA

Average rainfall days - Delmont, PA

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is January (9.5 days).

Average snowfall
Delmont, PA

Average snowfall - Delmont, PA

The month with the highest snowfall is January (7.05").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Delmont, PA

Average snowfall days - Delmont, PA

The month with the highest number of snowfall days is January (18.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Delmont, PA

Average daylight / Average sunshine - Delmont, PA

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days
Delmont, PA

Average sunshine days - Delmont, PA

The month with the most sunshine days is November (14 days).
The month with the least sunshine days is February (6.7 days).

Delmont, Pennsylvania, USA

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