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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, like December, is a freezing cold winter month in Harleigh, Pennsylvania, with an average temperature fluctuating between 18.9°F (-7.3°C) and 31.5°F (-0.3°C). In Harleigh, the lowest average temperatures are observed in January, with a high of 31.5°F (-0.3°C) and a low of 18.9°F (-7.3°C). Weather in January »
Weather in February
February, the last month of the winter in Harleigh, is a cold month, with temperature in the range of an average high of 35.1°F (1.7°C) and an average low of 20.7°F (-6.3°C). February's onset records an average high-temperature of a wintry 35.1°F (1.7°C), a near match to January's 31.5°F (-0.3°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Harleigh, Pennsylvania, with an average temperature fluctuating between 43.3°F (6.3°C) and 27.7°F (-2.4°C). March's onset brings a minor rise in the average high-temperature, moving from a cold 35.1°F (1.7°C) in February to a chilly 43.3°F (6.3°C). Weather in March »
Weather in April
April is a refreshing spring month in Harleigh, Pennsylvania, with an average temperature ranging between min 38.1°F (3.4°C) and max 55.4°F (13°C). April's arrival signals a temperature shift, moving from a chilly 43.3°F (6.3°C) in March to a refreshing 55.4°F (13°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Harleigh, Pennsylvania, with an average temperature ranging between max 66.7°F (19.3°C) and min 48.2°F (9°C). May brings a rise in Harleigh's average high-temperature, moving from a moderate 55.4°F (13°C) in April to a comfortable 66.7°F (19.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Harleigh, Pennsylvania, with an average temperature varying between 74.8°F (23.8°C) and 55°F (12.8°C). In Harleigh, the onset of June comes with a modest high-temperature shift, transitioning from May's comfortable 66.7°F (19.3°C) to a moderately hot 74.8°F (23.8°C). Weather in June »
Weather in July
July, like June, in Harleigh, Pennsylvania, is another warm summer month, with temperature in the range of an average high of 80.6°F (27°C) and an average low of 59.9°F (15.5°C). With average high temperatures of 80.6°F (27°C) and lows of 59.9°F (15.5°C), July is the warmest month. July's average heat index is estimated at a tropical 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Harleigh, Pennsylvania, with an average temperature fluctuating between 78.3°F (25.7°C) and 58.1°F (14.5°C). Harleigh's shift into August is marked by a subtle change to a still moderately hot 78.3°F (25.7°C) from July's 80.6°F (27°C) in temperature. Weather in August »
Weather in September
September, the first month of the autumn in Harleigh, is also an agreeable month, with temperature in the range of an average high of 71.6°F (22°C) and an average low of 52°F (11.1°C). The onset of September results in a small decrease in the average high-temperature, moderately receding from a warm 78.3°F (25.7°C) in August to an agreeable 71.6°F (22°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Harleigh, Pennsylvania, with an average temperature fluctuating between 58.6°F (14.8°C) and 43.7°F (6.5°C). The onset of October entails a temperature shift, as the average high-temperature decreases from an agreeable 71.6°F (22°C) in September to a refreshing 58.6°F (14.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Harleigh, Pennsylvania, with an average temperature ranging between max 46.4°F (8°C) and min 32.9°F (0.5°C). Harleigh's average high-temperature decreases in November, falling from a moderate 58.6°F (14.8°C) in October to a chilly 46.4°F (8°C). Weather in November »
Weather in December
December, the first month of the winter in Harleigh, is also an icy month, with an average temperature ranging between min 25.9°F (-3.4°C) and max 36.9°F (2.7°C). The decrease of average high-temperatures is mild in December, with a decline from a chilly 46.4°F (8°C) in November to an icy 36.9°F (2.7°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Harleigh?
January proves to be the coldest month, recording an average maximum temperature of 31.5°F (-0.3°C) and a minimum temperature of 18.9°F (-7.3°C).
How many days does it rain in Harleigh?
Throughout the year, there are 163.3 rainfall days, and 34.37" (873mm) of precipitation is accumulated.
When does it snow in Harleigh?
Months with snowfall in Harleigh, Pennsylvania, are January through May, October through December.
What is the snowiest month in Harleigh?
The months with the most snowfall are January and February, with an average 7.64" (194mm) of accumulated snow.
How many days does it snow in Harleigh?
In Harleigh, during the entire year, snow falls for 53.8 days and aggregates up to 33.66" (855mm) of snow.
What is the most humid month in Harleigh?
February is the most humid month in Harleigh, Pennsylvania, with an average relative humidity of 84%.
What is the month with the least sunshine in Harleigh?
With an average of 3.7h of sunshine, February has the least sunshine of the year in Harleigh.
When is Daylight Saving Time (DST) in Harleigh?
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.
What is the least humid month in Harleigh?
April is the least humid month in Harleigh, Pennsylvania, with an average relative humidity of 78%.
What is the wettest month in Harleigh?
The month with the most rainfall is May, when the rain falls for 19.8 days and typically aggregates up to 3.43" (87mm) of precipitation.
What are the months with the highest UV index in Harleigh?
The months with the highest UV index are May through August, with an average maximum UV index of 5.
When it does not snow in Harleigh?
In Harleigh, snow does not fall in June through September.
When are the longest days in Harleigh?
The month with the longest days is June, with an average of 15h and 6min of daylight.
What time of the year is the hottest in Harleigh?
July, with its average high-temperature of 80.6°F (27°C) and an average low-temperature of 59.9°F (15.5°C), holds the record as the warmest month.
What month has the most sunshine in Harleigh?
July has the most sunshine of the year, with an average of 9.8h of sunshine.
What is the driest month in Harleigh?
The month with the least rainfall is September, when the rain falls for 13 days and typically collects 2.01" (51mm) of precipitation.
What is the month with the shortest days in Harleigh?
With an average of 9h and 18min of daylight, December has the shortest days of the year in Harleigh, Pennsylvania.
When is the lowest UV index in Harleigh?
The month with the lowest UV index in Harleigh, Pennsylvania, is December, with an average maximum UV index of 1.
Average temperature
Harleigh, PA
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (31.5°F).
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure
Harleigh, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"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:
29.97"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.07"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
Harleigh, PA
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.2mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8.4mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.8mph - Average wind speed in October:
7mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.9mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity
Harleigh, PA
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (78%).
Average rainfall
Harleigh, PA
- Average rainfall in January:
2.6" - Average rainfall in February:
2.64" - Average rainfall in March:
2.72" - Average rainfall in April:
3.19" - Average rainfall in May:
3.43" - Average rainfall in June:
2.87"
- Average rainfall in July:
3.31" - Average rainfall in August:
3.23" - Average rainfall in September:
2.01" - Average rainfall in October:
2.87" - Average rainfall in November:
2.68" - Average rainfall in December:
2.83"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days
Harleigh, PA
- Average rainfall days in January:
7.2 days - Average rainfall days in February:
8 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
17.3 days - Average rainfall days in May:
19.8 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
18.5 days - Average rainfall days in August:
15.9 days - Average rainfall days in September:
13 days - Average rainfall days in October:
14.6 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
11 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (7.2 days).
Average snowfall
Harleigh, PA
- Average snowfall in January:
7.64" - Average snowfall in February:
7.64" - Average snowfall in March:
6.93" - Average snowfall in April:
0.67" - Average snowfall in May:
0.63" - Average snowfall in June:
0"
The months with the highest snowfall are January and February (7.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Harleigh, PA
- Average snowfall days in January:
12.6 days - Average snowfall days in February:
12.7 days - Average snowfall days in March:
9 days - Average snowfall days in April:
2.8 days - Average snowfall days in May:
0.3 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:
0.6 days - Average snowfall days in November:
5.1 days - Average snowfall days in December:
10.7 days
The month with the highest number of snowfall days is February (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Harleigh, 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:
3h and 5min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 3min - Average sunshine in April:
7h and 2min - Average sunshine in May:
7h and 4min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 2min - Average sunshine in September:
8h and 2min - Average sunshine in October:
4h and 5min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days
Harleigh, PA
- Average sunshine days in January:
14.3 days - Average sunshine days in February:
10.3 days - Average sunshine days in March:
11.8 days - Average sunshine days in April:
9.9 days - Average sunshine days in May:
8.7 days - Average sunshine days in June:
10.7 days
- Average sunshine days in July:
9.6 days - Average sunshine days in August:
13.4 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
13.7 days - Average sunshine days in November:
16.8 days - Average sunshine days in December:
12.8 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (8.7 days).
Average UV index
Harleigh, PA
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Harleigh, PA
The months with the most cloud cover are February and December (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility
Harleigh, PA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Harleigh, Pennsylvania, USA
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