Climate and monthly weather forecast
Northampton, PA

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Weather in January

January, the same as December, is a wintry winter month in Northampton, Pennsylvania, with an average temperature varying between 21.6°F (-5.8°C) and 33.8°F (1°C). Northampton's coldest temperatures are experienced in January, with average high temperatures of 33.8°F (1°C) and lows of 21.6°F (-5.8°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Northampton, Pennsylvania, with an average temperature varying between 23.4°F (-4.8°C) and 37.4°F (3°C). The advent of February sees the average high-temperature at a still cold 37.4°F (3°C), subtly shifted from January's 33.8°F (1°C). Weather in February »

Weather in March

March, the first month of the spring in Northampton, is a chilly month, with an average temperature varying between 30°F (-1.1°C) and 46°F (7.8°C). March's onset brings a minor rise in the average high-temperature, moving from an icy 37.4°F (3°C) in February to a frosty 46°F (7.8°C). Weather in March »

Weather in April

April in Northampton, Pennsylvania, is a refreshing spring month, with an average temperature fluctuating between 40.5°F (4.7°C) and 58.5°F (14.7°C). April's onset is marked by a temperature increase, moving from a frosty 46°F (7.8°C) in March to a refreshing 58.5°F (14.7°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Northampton, Pennsylvania, with temperature in the range of an average high of 69.4°F (20.8°C) and an average low of 50.2°F (10.1°C). In Northampton, the average high-temperature in May rises, from a refreshing 58.5°F (14.7°C) in April, to an agreeable 69.4°F (20.8°C). Weather in May »

Weather in June

June, the first month of the summer in Northampton, is a moderately hot month, with an average temperature fluctuating between 77.4°F (25.2°C) and 57.7°F (14.3°C). Northampton in June observes a minor temperature shift, with average high-temperatures adjusting from an agreeable 69.4°F (20.8°C) in May to a moderately hot 77.4°F (25.2°C). Weather in June »

Weather in July

July, like June, in Northampton, Pennsylvania, is another warm summer month, with an average temperature ranging between max 83.3°F (28.5°C) and min 63.3°F (17.4°C). July is the warmest month of the year, registering average temperatures as high as 83.3°F (28.5°C) and as low as 63.3°F (17.4°C). The average heat index in July is appraised at a hot 91.4°F (33°C). Weather in July »

Weather in August

August, the last month of the summer in Northampton, is also a moderately hot month, with an average temperature varying between 61.5°F (16.4°C) and 81°F (27.2°C). August brings an average high-temperature of a still moderately hot 81°F (27.2°C), showing a slight difference from July's 83.3°F (28.5°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Northampton, Pennsylvania, with an average temperature fluctuating between 74.1°F (23.4°C) and 55°F (12.8°C). In Northampton, the average high-temperature in September gently drops from a moderately hot 81°F (27.2°C) in August to a still warm 74.1°F (23.4°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Northampton, Pennsylvania, with an average temperature fluctuating between 45.9°F (7.7°C) and 61.9°F (16.6°C). Stepping into October, Northampton observes a temperature decline, with the average high falling from September's moderately hot 74.1°F (23.4°C) to an enjoyable 61.9°F (16.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Northampton, Pennsylvania, with an average temperature varying between 34.9°F (1.6°C) and 49.1°F (9.5°C). Observing a mild shift, the average high-temperature during November reduces from October's comfortable 61.9°F (16.6°C) to a frosty 49.1°F (9.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Northampton, Pennsylvania, with an average temperature ranging between max 40.1°F (4.5°C) and min 28.9°F (-1.7°C). Northampton's progression into December involves a drop in the average high-temperature, receding from a frosty 49.1°F (9.5°C) in November to a wintry 40.1°F (4.5°C). Weather in December »
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Frequently asked questions

What is the coldest time of year in Northampton?

January, on average, is the coldest month in Northampton, Pennsylvania, registering a high temperature of 33.8°F (1°C) and a low of 21.6°F (-5.8°C).

How much does it rain in Northampton?

In Northampton, Pennsylvania, during the entire year, the rain falls for 162.5 days and collects up to 31.69" (805mm) of precipitation.

When does it snow in Northampton?

January through May, October through December are months with snowfall.

How much does it snow in Northampton?

Throughout the year, there are 32.3 snowfall days, and 17.24" (438mm) of snow is accumulated.

What are the months with the lowest UV index in Northampton?

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 Northampton?

The most humid month in Northampton is February, with an average relative humidity of 81%.

What is the month with the least sunshine in Northampton?

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

When does it snow the most in Northampton?

March is the month with the most snowfall. Snow falls for 6.3 days and accumulates 4.88" (124mm) of snow.

When is Daylight Saving Time (DST) in Northampton?

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

April and July, with an average relative humidity of 76%, are the least humid months in Northampton, Pennsylvania.

When it does not snow in Northampton?

June through September are months without snowfall in Northampton, Pennsylvania.

When are the longest days in Northampton?

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

When is the highest UV index in Northampton?

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

What are the warmest months in Northampton?

July proves to be the warmest month in Northampton, recording an average peak temperature of 83.3°F (28.5°C) and a minimum temperature of 63.3°F (17.4°C).

What is the wettest month in Northampton?

July is the month with the most rainfall in Northampton. Rain falls for 16.3 days and accumulates 3.19" (81mm) of precipitation.

What month has the most sunshine in Northampton?

July has the most sunshine of the year in Northampton, Pennsylvania, with an average of 10.4h of sunshine.

What is the driest month in Northampton?

The month with the least rainfall in Northampton is September, when the rain falls for 11.6 days and typically collects 1.93" (49mm) of precipitation.

What is the month with the shortest days in Northampton?

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

Average temperature
Northampton, PA

Average temperature - Northampton, PA

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.8°F).

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure
Northampton, PA

Average pressure - Northampton, 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
Northampton, PA

Average wind speed - Northampton, PA

The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity
Northampton, PA

Average humidity - Northampton, PA

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).

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Average rainfall
Northampton, PA

Average rainfall - Northampton, PA

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days
Northampton, PA

Average rainfall days - Northampton, PA

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (9.9 days).

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Average snowfall
Northampton, PA

Average snowfall - Northampton, PA

The month with the highest snowfall is March (4.88").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Northampton, PA

Average snowfall days - Northampton, PA

The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Northampton, PA

Average daylight / Average sunshine - Northampton, 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 July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days
Northampton, PA

Average sunshine days - Northampton, PA

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is February (11.7 days).

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Average UV index
Northampton, PA

Average UV index - Northampton, PA

The months with the highest UV index are June and July (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
Northampton, PA

Average visibility - Northampton, PA

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

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Northampton, Pennsylvania, USA

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