Climate and monthly weather forecast
Newtown, PA

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Weather in January

January, the same as December, is an icy winter month in Newtown, Pennsylvania, with an average temperature varying between 24.3°F (-4.3°C) and 36.9°F (2.7°C). January, having an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 24.3°F (-4.3°C), is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Newtown, Pennsylvania, with an average temperature fluctuating between 26.4°F (-3.1°C) and 40.3°F (4.6°C). Newtown's average high-temperature in February sits at a still wintry 40.3°F (4.6°C), showing little difference from the previous month. Weather in February »

Weather in March

March, the first month of the spring in Newtown, is a chilly month, with an average temperature ranging between min 33.4°F (0.8°C) and max 48.6°F (9.2°C). Newtown's transition into March brings a slight rise in the average high-temperature, moving from a cold 40.3°F (4.6°C) in February to a chilly 48.6°F (9.2°C). Weather in March »

Weather in April

April is a moderate spring month in Newtown, Pennsylvania, with temperature in the range of an average high of 60.6°F (15.9°C) and an average low of 43.7°F (6.5°C). Newtown's weather in April presents a rise in the average high-temperature, moving from a chilly 48.6°F (9.2°C) in March to a mild 60.6°F (15.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Newtown, Pennsylvania, with temperature in the range of an average low of 53.6°F (12°C) and an average high of 71.2°F (21.8°C). The shift into May is characterized by a rise in the average high-temperature, transitioning from April's refreshing 60.6°F (15.9°C) to an agreeable 71.2°F (21.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Newtown, Pennsylvania, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 79.9°F (26.6°C). With the onset of June, Newtown experiences a subtle temperature shift, with the average high-temperature moving from an agreeable 71.2°F (21.8°C) in May to a warm 79.9°F (26.6°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Newtown, Pennsylvania, with an average temperature ranging between max 85.6°F (29.8°C) and min 67.5°F (19.7°C). July is the warmest month, exhibiting average temperatures of 85.6°F (29.8°C) at the peak and 67.5°F (19.7°C) at the base. During July, the heat index is estimated at a fiery hot 95°F (35°C). Weather in July »

Weather in August

August, the last month of the summer in Newtown, is another warm month, with temperature in the range of an average high of 83.3°F (28.5°C) and an average low of 66.2°F (19°C). Newtown's shift into August is marked by a subtle change to a still warm 83.3°F (28.5°C) from July's 85.6°F (29.8°C) in temperature. Weather in August »

Weather in September

September, the first month of the autumn in Newtown, is still a warm month, with an average temperature varying between 59.4°F (15.2°C) and 76.3°F (24.6°C). September's onset introduces a mild reduction in the average high-temperature, from 83.3°F (28.5°C) in August to a still moderately hot 76.3°F (24.6°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Newtown, Pennsylvania, with an average temperature fluctuating between 49.1°F (9.5°C) and 63.9°F (17.7°C). In Newtown, entering October brings a temperature decrement, reducing from September's moderately hot 76.3°F (24.6°C) to a comfortable 63.9°F (17.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Newtown, is also a fresh month, with an average temperature fluctuating between 52°F (11.1°C) and 38.1°F (3.4°C). November ushers in a slight temperature change, with average high-temperatures reducing from October's enjoyable 63.9°F (17.7°C) to a cool 52°F (11.1°C). Weather in November »

Weather in December

December, the first month of the winter in Newtown, is still a chilly month, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 42.8°F (6°C). A decrease in the average high-temperature is observed during December, shifting from a cool 52°F (11.1°C) in November to a frosty 42.8°F (6°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Newtown?

Newtown's coldest month, January, generally records average temperatures ranging from a high of 36.9°F (2.7°C) to a low of 24.3°F (-4.3°C).

How many days does it rain in Newtown?

In Newtown, during the entire year, the rain falls for 156 days and collects up to 31.77" (807mm) of precipitation.

When does it snow in Newtown?

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

How many days does it snow in Newtown?

Throughout the year, there are 24 snowfall days, and 12.13" (308mm) of snow is accumulated.

When is the lowest UV index in Newtown?

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

What are the most humid months in Newtown?

February and October, with an average relative humidity of 78%, are most humid months in Newtown.

What is the month with the least sunshine in Newtown?

February has the least sunshine of the year, with an average of 4.7h of sunshine.

When does it snow the most in Newtown?

March is the month with the most snowfall. Snow falls for 4.7 days and accumulates 3.78" (96mm) of snow.

When is Daylight Saving Time (DST) in Newtown?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Newtown, 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 are the least humid months in Newtown?

The months with the lowest humidity are April, July and August, with an average relative humidity of 72%.

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

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

When it does not snow in Newtown?

June through September are months without snowfall.

When are the longest days in Newtown?

The month with the longest days in Newtown is June, with an average of 15h and 0min of daylight.

What month is the hottest in Newtown?

The average temperatures in Newtown, Pennsylvania, reach their apex in July, averaging 85.6°F (29.8°C) at the high end and 67.5°F (19.7°C) at the low end.

What month has the most sunshine in Newtown?

The month with the most sunshine in Newtown, Pennsylvania, is July, with an average of 10.6h of sunshine.

What is the driest month in Newtown?

September is the month with the least rainfall in Newtown. Rain falls for 12.2 days and accumulates 1.89" (48mm) of precipitation.

What is the wettest month in Newtown?

December is the month with the most rainfall in Newtown, Pennsylvania. Rain falls for 10.7 days and accumulates 3.31" (84mm) of precipitation.

What is the month with the shortest days in Newtown?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

Average temperature
Newtown, PA

Average temperature - Newtown, PA

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure
Newtown, PA

Average pressure - Newtown, PA

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Newtown, PA

Average wind speed - Newtown, PA

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity
Newtown, PA

Average humidity - Newtown, PA

The months with the highest relative humidity are February and October (78%).
The months with the lowest relative humidity are April, July and August (72%).

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Average rainfall
Newtown, PA

Average rainfall - Newtown, PA

The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days
Newtown, PA

Average rainfall days - Newtown, PA

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall
Newtown, PA

Average snowfall - Newtown, PA

The month with the highest snowfall is March (3.78").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Newtown, PA

Average snowfall days - Newtown, PA

The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Newtown, PA

Average daylight / Average sunshine - Newtown, 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 24min).

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days
Newtown, PA

Average sunshine days - Newtown, PA

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (11.4 days).

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Average UV index
Newtown, PA

Average UV index - Newtown, PA

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

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Average visibility
Newtown, PA

Average visibility - Newtown, PA

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

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Newtown, Pennsylvania, USA

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