Climate and monthly weather forecastNorthampton, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Northampton, Pennsylvania, with an average temperature ranging between min 21.6°F (-5.8°C) and max 33.8°F (1°C). The month of January sees the lowest average temperatures, reaching 33.8°F (1°C) at the peak and 21.6°F (-5.8°C) at the low. Weather in January »Weather in February
February, the last month of the winter in Northampton, is also an icy month, with an average temperature ranging between max 37.4°F (3°C) and min 23.4°F (-4.8°C). The transition into February reveals an average high-temperature of a still wintry 37.4°F (3°C), mirroring a close resemblance to January. Weather in February »Weather in March
March, the first month of the spring in Northampton, is a chilly month, with an average temperature fluctuating between 30°F (-1.1°C) and 46°F (7.8°C). The shift from February to March is marked by a slight increase in the average high-temperature, moving from a wintry 37.4°F (3°C) to a frosty 46°F (7.8°C). Weather in March »Weather in April
April in Northampton, Pennsylvania, is a mild spring month, with an average temperature fluctuating between 40.5°F (4.7°C) and 58.5°F (14.7°C). The shift into April is accompanied by a temperature increase, with the average high-temperature rising from a chilly 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 an agreeable month in Northampton, Pennsylvania, with an average temperature varying between 50.2°F (10.1°C) and 69.4°F (20.8°C). May brings a rise in the average high-temperature, transitioning from April's mild 58.5°F (14.7°C) to a pleasant 69.4°F (20.8°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Northampton, Pennsylvania, with an average temperature fluctuating between 77.4°F (25.2°C) and 57.7°F (14.3°C). The beginning of June marks a minor shift in the average high-temperature, moving from May's agreeable 69.4°F (20.8°C) 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 fluctuating between 83.3°F (28.5°C) and 63.3°F (17.4°C). July, on average, is the warmest month, registering a high temperature of 83.3°F (28.5°C) and a low of 63.3°F (17.4°C). July's heat index is calculated to be a hot 91.4°F (33°C). Weather in July »Weather in August
August, the last month of the summer in Northampton, is another warm month, with an average temperature varying between 61.5°F (16.4°C) and 81°F (27.2°C). Northampton's shift into August sets the average high-temperature at a still warm 81°F (27.2°C), a figure that deviates only slightly 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). The beginning of September brings a minor change in the average high-temperature, shifting from 81°F (27.2°C) in August to a still warm 74.1°F (23.4°C). Weather in September »Weather in October
October, like September, in Northampton, Pennsylvania, is another refreshing autumn month, with an average temperature varying between 45.9°F (7.7°C) and 61.9°F (16.6°C). October brings a decrease in the average high-temperature, falling from September's warm 74.1°F (23.4°C) to a comfortable 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). With November's onset, the average high-temperature recedes from October's enjoyable 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 a wintry 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). In December, the meteorological conditions alter, with the average high-temperature shifting from a frosty 49.1°F (9.5°C) in November to an icy 40.1°F (4.5°C). Weather in December »Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
With average temperatures fluctuating between a high of 33.8°F (1°C) and a low of 21.6°F (-5.8°C), January stands out as the coldest month.
In Northampton, during the entire year, the rain falls for 162.5 days and collects up to 31.69" (805mm) of precipitation.
Months with snowfall are January through May, October through December.
In Northampton, during the entire year, snow falls for 32.3 days and aggregates up to 17.24" (438mm) of snow.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
With an average relative humidity of 81%, February is the most humid month.
The month with the least sunshine is February, with an average of 4.5h of sunshine.
The month with the most snowfall is March, when snow falls for 6.3 days and typically aggregates up to 4.88" (124mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
The months with the lowest humidity are April and July, with an average relative humidity of 76%.
In Northampton, snow does not fall in June through September.
The month with the longest days is June, with an average of 15h and 0min of daylight.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
Northampton's July weather reaches an average high of 83.3°F (28.5°C) and an average low of 63.3°F (17.4°C), making it the warmest month.
The month with the most rainfall is July, when the rain falls for 16.3 days and typically aggregates up to 3.19" (81mm) of precipitation.
The month with the most sunshine is July, with an average of 10.4h of sunshine.
September is the month with the least rainfall. Rain falls for 11.6 days and accumulates 1.93" (49mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 18min of daylight.
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).
Average pressure
Northampton, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Northampton, PA
- Average wind speed in January:
8.1mph - Average wind speed in February:
7.9mph - Average wind speed in March:
8.1mph - Average wind speed in April:
7.9mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.6mph
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).
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%).
Average rainfall
Northampton, PA
- Average rainfall in January:
2.32" - Average rainfall in February:
2.2" - Average rainfall in March:
2.6" - Average rainfall in April:
2.87" - Average rainfall in May:
2.91" - Average rainfall in June:
2.6"
- Average rainfall in July:
3.19" - Average rainfall in August:
2.99" - Average rainfall in September:
1.93" - Average rainfall in October:
2.72" - Average rainfall in November:
2.48" - Average rainfall in December:
2.87"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days
Northampton, PA
- Average rainfall days in January:
9.9 days - Average rainfall days in February:
10.2 days - Average rainfall days in March:
13.6 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
17.2 days - Average rainfall days in June:
15.9 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
16 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
13.4 days - Average rainfall days in November:
11 days - Average rainfall days in December:
12.1 days
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).
Average snowfall
Northampton, PA
- Average snowfall in January:
3.94" - Average snowfall in February:
4.29" - Average snowfall in March:
4.88" - Average snowfall in April:
0.2" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is March (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Northampton, PA
- Average snowfall days in January:
9.2 days - Average snowfall days in February:
9.7 days - Average snowfall days in March:
6.3 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1.1 days - Average snowfall days in December:
5.5 days
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).
Average daylight / Average sunshine
Northampton, PA
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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).
- Average sunshine in January:
4h and 42min - Average sunshine in February:
4h and 30min - Average sunshine in March:
6h and 12min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 12min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 24min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 42min
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).
Average sunshine days
Northampton, PA
- Average sunshine days in January:
16.3 days - Average sunshine days in February:
11.7 days - Average sunshine days in March:
12.6 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
12.5 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
15.6 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
15.7 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is February (11.7 days).
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).
Average cloud cover
Northampton, PA
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).
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).
