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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is a wintry winter month in Northumberland, Pennsylvania, with an average temperature varying between 20.1°F and 32.2°F. In Northumberland, the month of January is known for its lowest average temperatures, reaching a high of 32.2°F and a low of 20.1°F. Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in Northumberland, Pennsylvania, with an average temperature varying between 36.7°F and 22.3°F. As Northumberland, Pennsylvania, welcomes February, the average high-temperature is noted at a still wintry 36.7°F, closely aligning with the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Northumberland, is a chilly month, with an average temperature varying between 29.7°F and 46°F. An upsurge in temperatures occurs as February gives way to March, with average highs shifting from a wintry 36.7°F to a chilly 46°F. Weather in March »
Weather in April
April is a refreshing spring month in Northumberland, Pennsylvania, with an average temperature ranging between min 39.9°F and max 58.1°F. Noticing a change, the average high-temperature during April moves from March's chilly 46°F to a mild 58.1°F. Weather in April »
Weather in May
May, the last month of the spring in Northumberland, is an agreeable month, with an average temperature fluctuating between 69.4°F and 49.3°F. Northumberland's weather shows a temperature rise with the arrival of May, moving from a moderate 58.1°F in April to a pleasant 69.4°F. Weather in May »
Weather in June
June, the first month of the summer in Northumberland, is a warm month, with an average temperature varying between 76.6°F and 56.5°F. Northumberland's transition into June is marked by a minor temperature shift, moving from an agreeable 69.4°F in May to a moderately hot 76.6°F. Weather in June »
Weather in July
July, like June, in Northumberland, Pennsylvania, is a moderately hot summer month, with temperature in the range of an average high of 82.2°F and an average low of 61.2°F. Temperature readings reach their annual highs in July, averaging 82.2°F and a minimum average of 61.2°F. In July, the average heat index is estimated at a hot 89.6°F. Weather in July »
Weather in August
August, the last month of the summer in Northumberland, is another warm month, with an average temperature ranging between max 80.2°F and min 59.4°F. As August takes its course, Northumberland's average high-temperature registers at a still warm 80.2°F, closely aligning with the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Northumberland, is also an agreeable month, with an average temperature fluctuating between 53.4°F and 73.2°F. With the arrival of September, Northumberland notices a mild change in the average high-temperature, sliding from August's warm 80.2°F to a pleasant 73.2°F. Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Northumberland, Pennsylvania, with an average temperature ranging between max 61.2°F and min 44.2°F. October involves a decrease in temperature, down from a pleasant 73.2°F in September to an enjoyable 61.2°F. Weather in October »
Weather in November
November, the last month of the autumn in Northumberland, is another chilly month, with an average temperature fluctuating between 48.2°F and 33.8°F. November's arrival comes with a decrease in the average high-temperature, moving from an enjoyable 61.2°F in October to a chilly 48.2°F. Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Northumberland, Pennsylvania, with an average temperature fluctuating between 28°F and 38.8°F. The move into December indicates a reduction in the average high-temperature, down from November's frosty 48.2°F to a cold 38.8°F. Weather in December »
[Resources]FAQ
What part of the year is the coldest in Northumberland?
The coldest period in Northumberland, Pennsylvania, tends to be January, when average temperatures fluctuate between a high of 32.2°F and a low of 20.1°F.
How much does it rain in Northumberland?
In Northumberland, Pennsylvania, during the entire year, the rain falls for 133.4 days and collects up to 13.15" of precipitation.
When does it snow in Northumberland?
January through May, November and December are months with snowfall in Northumberland, Pennsylvania.
How many days does it snow in Northumberland?
In Northumberland, Pennsylvania, during the entire year, snow falls for 32.1 days and aggregates up to 4.76" of snow.
What are the months with the least sunshine in Northumberland?
The months with the least sunshine are January and February, with an average of 4.2h of sunshine.
What are the months with the lowest UV index in Northumberland?
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 Northumberland?
The most humid month in Northumberland is February, with an average relative humidity of 82%.
When does it snow the most in Northumberland?
The month with the most snowfall is February, when snow falls for 9.2 days and typically aggregates up to 1.46" of snow.
What are the least humid months in Northumberland?
The months with the lowest humidity in Northumberland are March and April, with an average relative humidity of 76%.
When is Daylight Saving Time (DST) in Northumberland?
On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Northumberland, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.
When it does not snow in Northumberland?
In Northumberland, snow does not fall in June through October.
When are the longest days in Northumberland?
The month with the longest days in Northumberland is June, with an average of 15h and 6min of daylight.
What are the warmest months in Northumberland?
July stands out as Northumberland's warmest month, with temperatures ranging between an average high of 82.2°F and a low of 61.2°F.
What is the rainiest month in Northumberland?
The month with the most rainfall in Northumberland is July, when the rain falls for 13.8 days and typically aggregates up to 1.65" of precipitation.
What month has the most sunshine in Northumberland?
With an average of 10.4h of sunshine, July has the most sunshine of the year in Northumberland, Pennsylvania.
What is the month with the highest UV index in Northumberland?
July is the month with the highest UV index in Northumberland, Pennsylvania, with an average maximum UV index of 6.
What is the driest month in Northumberland?
The month with the least rainfall is September, when the rain falls for 9.2 days and typically collects 0.75" of precipitation.
What is the month with the shortest days in Northumberland?
The month with the shortest days in Northumberland, Pennsylvania, is December, with an average of 9h and 18min of daylight.
Average temperature
Northumberland, PA
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.2°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 (20.1°F).
Average pressure
Northumberland, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.07"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Northumberland, PA
- Average wind speed in January:
7.5mph - Average wind speed in February:
7.5mph - Average wind speed in March:
7.8mph - Average wind speed in April:
7.9mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.6mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.6mph - Average wind speed in December:
7.1mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity
Northumberland, PA
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall
Northumberland, PA
- Average rainfall in January:
0.87" - Average rainfall in February:
0.83" - Average rainfall in March:
0.98" - Average rainfall in April:
1.38" - Average rainfall in May:
1.42" - Average rainfall in June:
1.34"
- Average rainfall in July:
1.65" - Average rainfall in August:
1.14" - Average rainfall in September:
0.75" - Average rainfall in October:
1.06" - Average rainfall in November:
0.87" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days
Northumberland, PA
- Average rainfall days in January:
7.7 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
11.1 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
14.7 days - Average rainfall days in June:
12.8 days
- Average rainfall days in July:
13.8 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
9.2 days - Average rainfall days in October:
10.9 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
9.4 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (7.7 days).
Average snowfall
Northumberland, PA
- Average snowfall in January:
1.38" - Average snowfall in February:
1.46" - Average snowfall in March:
0.75" - Average snowfall in April:
0.08" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Northumberland, PA
- Average snowfall days in January:
9.3 days - Average snowfall days in February:
9.2 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0.2 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:
2.1 days - Average snowfall days in December:
6.1 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Northumberland, PA
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).
Average sunshine days
Northumberland, PA
- Average sunshine days in January:
16.9 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
15.6 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
13.7 days - Average sunshine days in June:
14.5 days
- Average sunshine days in July:
14.6 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
18.6 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
19.4 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (13.4 days).
Average UV index
Northumberland, PA
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Northumberland, PA
The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Northumberland, PA
The months with the highest visibility are March, April, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and October (5mi).
Northumberland, Pennsylvania, USA
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