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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
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Harrison, Pennsylvania, with an average temperature ranging between min -8.8°C and max -2.2°C. With average temperatures fluctuating between a high of -2.2°C and a low of -8.8°C, January stands out as the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Harrison, Pennsylvania, with an average temperature varying between -7.6°C and 0°C. Harrison signifies an average high-temperature of an icy 0°C in February, closely mirroring the -2.2°C of January. Weather in February »
Weather in March
March, the first month of the spring in Harrison, is also an icy month, with an average temperature fluctuating between -3.7°C and 5.1°C. The onset of March brings a temperature shift, with the average high-temperature moving from a wintry 0°C in February to a still icy 5.1°C. Weather in March »
Weather in April
April is a cool spring month in Harrison, Pennsylvania, with an average temperature ranging between min 1.6°C and max 11.8°C. April's onset is marked by a temperature increase, moving from a cold 5.1°C in March to a fresh 11.8°C. Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Harrison, Pennsylvania, with an average temperature ranging between max 19.1°C and min 7.6°C. May sees a temperature increase, moving from a cool 11.8°C in April to an enjoyable 19.1°C. Weather in May »
Weather in June
June, the first month of the summer in Harrison, is a warm month, with an average temperature ranging between max 23.4°C and min 11.3°C. In Harrison, the average high-temperature in June slightly increases from a comfortable 19.1°C in May to a moderately hot 23.4°C. Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Harrison, Pennsylvania, with temperature in the range of an average high of 26.3°C and an average low of 13.6°C. July temperatures tend to peak at an average high of 26.3°C and dip to a low of 13.6°C. Weather in July »
Weather in August
August, the last month of the summer in Harrison, is another warm month, with an average temperature varying between 25°C and 12.4°C. The arrival of August coincides with an average high-temperature of a still warm 25°C, indicating a minimal shift from July's 26.3°C. Weather in August »
Weather in September
September, the first month of the autumn in Harrison, is also an agreeable month, with an average temperature fluctuating between 9.8°C and 21°C. The arrival of September corresponds with a light shift in temperature, down from a warm 25°C in August to a pleasant 21°C. Weather in September »
Weather in October
October, the same as September, in Harrison, Pennsylvania, is a moderate autumn month, with an average temperature ranging between min 5.2°C and max 13.9°C. The average high-temperature decreases in October, shifting from a pleasant 21°C in September to a refreshing 13.9°C. Weather in October »
Weather in November
November, the last month of the autumn in Harrison, is another chilly month, with an average temperature fluctuating between 6.5°C and -0.9°C. The onset of November coincides with a reduction in the average high-temperature, falling from a refreshing 13.9°C in October to a frosty 6.5°C. Weather in November »
Weather in December
December, the first month of the winter in Harrison, is also a wintry month, with an average temperature varying between -4.4°C and 1.2°C. The beginning of December marks a decrease in the average high-temperature, transitioning from a chilly 6.5°C in November to a cold 1.2°C. Weather in December »
Updated: Jun 10, 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
What month is the coldest in Harrison?
Harrison reaches its average lowest temperatures in January, measuring -2.2°C at the peak and -8.8°C at the lowest.
How many days does it rain?
In Harrison, during the entire year, the rain falls for 174 days and collects up to 783mm of precipitation.
When does it snow?
Months with snowfall in Harrison are January through May, October through December.
How many days does it snow?
In Harrison, during the entire year, snow falls for 86.8 days and aggregates up to 1055mm of snow.
What are the months with the least sunshine?
The months with the least sunshine are January and December, with an average of 2.9h of sunshine.
What are the months with the lowest UV index?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
What is the most humid month?
The most humid month is February, with an average relative humidity of 87%.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 18.5 days and accumulates 259mm of snow.
When is Daylight Saving Time (DST)?
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 wettest month?
The month with the most rainfall is April, when the rain falls for 17.3 days and typically aggregates up to 87mm of precipitation.
When is the highest UV index?
May through August, with an average maximum UV index of 5, are months with the highest UV index.
What are the least humid months?
The months with the lowest humidity are June and July, with an average relative humidity of 78%.
When it does not snow?
In Harrison, snow does not fall in June through September.
When are the longest days?
With an average of 15h and 12min of daylight, June has the longest days of the year.
What month is the hottest?
Harrison's temperatures tend to reach their peak averages in July, with a high of 26.3°C and a low of 13.6°C.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 9.8h of sunshine.
What is the driest month?
September is the month with the least rainfall. Rain falls for 14.2 days and accumulates 55mm of precipitation.
What is the month with the shortest days in Harrison?
The month with the shortest days is December, with an average of 9h and 12min of daylight.
Average temperature
Harrison, PA
The warmest month (with the highest average high temperature) is July (26.3°C).
The month with the lowest average high temperature is January (-2.2°C).
The month with the highest average low temperature is July (13.6°C).
The coldest month (with the lowest average low temperature) is January (-8.8°C).
Average pressure
Harrison, PA
- Average pressure in January:
1018.6mbar - Average pressure in February:
1017.9mbar - Average pressure in March:
1018.6mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1016mbar - Average pressure in June:
1013.9mbar
- Average pressure in July:
1015mbar - Average pressure in August:
1015.8mbar - Average pressure in September:
1018.1mbar - Average pressure in October:
1016.8mbar - Average pressure in November:
1019.9mbar - Average pressure in December:
1018.8mbar
The month with the highest atmospheric pressure is November (1019.9mbar).
The month with the lowest atmospheric pressure is June (1013.9mbar).
Average wind speed
Harrison, PA
- Average wind speed in January:
14.6km/h - Average wind speed in February:
14.1km/h - Average wind speed in March:
13.7km/h - Average wind speed in April:
13.7km/h - Average wind speed in May:
11.5km/h - Average wind speed in June:
10.8km/h
- Average wind speed in July:
9.4km/h - Average wind speed in August:
9.1km/h - Average wind speed in September:
9.7km/h - Average wind speed in October:
11.8km/h - Average wind speed in November:
12.7km/h - Average wind speed in December:
13.6km/h
The windiest month (with the highest average wind speed) is January (14.6km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity
Harrison, PA
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall
Harrison, PA
The wettest month (with the highest rainfall) is April (87mm).
The driest month (with the least rainfall) is September (55mm).
Average rainfall days
Harrison, PA
- Average rainfall days in January:
9.1 days - Average rainfall days in February:
8.9 days - Average rainfall days in March:
13.7 days - Average rainfall days in April:
17.3 days - Average rainfall days in May:
18.9 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
18.6 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
14.2 days - Average rainfall days in October:
16.1 days - Average rainfall days in November:
11.4 days - Average rainfall days in December:
11.8 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (8.9 days).
Average snowfall
Harrison, PA
- Average snowfall in January:
205mm - Average snowfall in February:
259mm - Average snowfall in March:
129mm - Average snowfall in April:
75mm - Average snowfall in May:
12mm - Average snowfall in June:
0mm
The month with the highest snowfall is February (259mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Harrison, PA
- Average snowfall days in January:
20.2 days - Average snowfall days in February:
18.5 days - Average snowfall days in March:
12.5 days - Average snowfall days in April:
5.5 days - Average snowfall days in May:
0.7 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:
1.6 days - Average snowfall days in November:
9.8 days - Average snowfall days in December:
18 days
The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Harrison, PA
- Average daylight in January:
9h and 3min - 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 4min - 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 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
2h and 5min - Average sunshine in February:
3h and 1min - Average sunshine in March:
5h and 3min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 2min - Average sunshine in October:
4h and 4min - Average sunshine in November:
4h and 2min - Average sunshine in December:
2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and December (Average sunshine: 2h and 54min).
Average sunshine days
Harrison, PA
- Average sunshine days in January:
7.3 days - Average sunshine days in February:
5.9 days - Average sunshine days in March:
8.8 days - Average sunshine days in April:
9 days - Average sunshine days in May:
10 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
10.2 days - Average sunshine days in August:
12.2 days - Average sunshine days in September:
13.5 days - Average sunshine days in October:
12 days - Average sunshine days in November:
11.5 days - Average sunshine days in December:
7 days
The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (5.9 days).
Average UV index
Harrison, PA
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Harrison, PA
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 41).
Average visibility
Harrison, PA
The months with the highest visibility are March, April, May, June, July, August, October, November and December (8km).
The months with the lowest visibility are January, February and September (7km).