Climate and monthly weather forecastForest Hills, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Forest Hills, Pennsylvania, with an average temperature varying between 20.7°F (-6.3°C) and 32.9°F (0.5°C). January is Forest Hills's coldest month, registering average high temperatures of 32.9°F (0.5°C) and lows of 20.7°F (-6.3°C). Weather in January »Weather in February
February, the last month of the winter in Forest Hills, is another cold month, with temperature in the range of an average low of 22.8°F (-5.1°C) and an average high of 37°F (2.8°C). February brings an average high-temperature of a still cold 37°F (2.8°C), nearly identical to the preceding month. Weather in February »Weather in March
March, the first month of the spring in Forest Hills, is a chilly month, with temperature in the range of an average high of 47.3°F (8.5°C) and an average low of 31.5°F (-0.3°C). March's arrival coincides with a temperature rise, moving from February's wintry 37°F (2.8°C) to a frosty 47.3°F (8.5°C). Weather in March »Weather in April
April in Forest Hills, Pennsylvania, is a mild spring month, with an average temperature varying between 41.4°F (5.2°C) and 60.3°F (15.7°C). The average high-temperature increases in April, moving from a frosty 47.3°F (8.5°C) in March to a moderate 60.3°F (15.7°C). Weather in April »Weather in May
May, the last month of the spring in Forest Hills, is an agreeable month, with an average temperature fluctuating between 51.3°F (10.7°C) and 71.6°F (22°C). With the beginning of May, Forest Hills's average high-temperature sees an increase, transitioning from a refreshing 60.3°F (15.7°C) in April to an agreeable 71.6°F (22°C). Weather in May »Weather in June
June, the first month of the summer in Forest Hills, is a warm month, with an average temperature fluctuating between 57.9°F (14.4°C) and 78.6°F (25.9°C). With the onset of June, Forest Hills's average high-temperature sees a modest rise, moving from May's agreeable 71.6°F (22°C) to a moderately hot 78.6°F (25.9°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Forest Hills, Pennsylvania, with an average temperature varying between 62.1°F (16.7°C) and 83.7°F (28.7°C). July is the warmest month, with an average high-temperature of 83.7°F (28.7°C) and an average low-temperature of 62.1°F (16.7°C). The average heat index in July is estimated at a hot 91.4°F (33°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Forest Hills, Pennsylvania, with an average temperature ranging between min 60.8°F (16°C) and max 81.9°F (27.7°C). Forest Hills marks the onset of August with an average high-temperature of a still warm 81.9°F (27.7°C), a subtle shift from July's 83.7°F (28.7°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Forest Hills, Pennsylvania, with an average temperature ranging between max 75.6°F (24.2°C) and min 55.6°F (13.1°C). September's onset brings a negligible change in high-temperatures, falling from 81.9°F (27.7°C) in August to a still moderately hot 75.6°F (24.2°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Forest Hills, Pennsylvania, with an average temperature varying between 45.5°F (7.5°C) and 61.9°F (16.6°C). A moderate decline in the average high-temperature is seen during October, decreasing from a moderately hot 75.6°F (24.2°C) in September to a refreshing 61.9°F (16.6°C). Weather in October »Weather in November
November, the last month of the autumn in Forest Hills, is another chilly month, with an average temperature varying between 34.2°F (1.2°C) and 49.1°F (9.5°C). The move into November indicates a reduction in the average high-temperature, down from October's refreshing 61.9°F (16.6°C) to a chilly 49.1°F (9.5°C). Weather in November »Weather in December
December, the first month of the winter in Forest Hills, is also an icy month, with an average temperature fluctuating between 28.2°F (-2.1°C) and 39.2°F (4°C). The shift from November to December involves a decrease in the average high-temperature, dropping from a frosty 49.1°F (9.5°C) to a cold 39.2°F (4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Forest Hills, PA
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.9°F).
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure
Forest Hills, PA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Forest Hills, PA
- Average wind speed in January:
8.1mph - Average wind speed in February:
7.7mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.6mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.9mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity
Forest Hills, PA
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall
Forest Hills, PA
- Average rainfall in January:
2.48" - Average rainfall in February:
2.72" - Average rainfall in March:
2.72" - Average rainfall in April:
3.54" - Average rainfall in May:
3.58" - Average rainfall in June:
3.23"
- Average rainfall in July:
3.35" - Average rainfall in August:
2.56" - Average rainfall in September:
2.6" - Average rainfall in October:
2.99" - Average rainfall in November:
2.17" - Average rainfall in December:
2.91"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days
Forest Hills, PA
- Average rainfall days in January:
10.8 days - Average rainfall days in February:
10.4 days - Average rainfall days in March:
14.4 days - Average rainfall days in April:
17.5 days - Average rainfall days in May:
21 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
19 days - Average rainfall days in August:
17.4 days - Average rainfall days in September:
14.3 days - Average rainfall days in October:
16.5 days - Average rainfall days in November:
11.7 days - Average rainfall days in December:
12.4 days
The month with the highest number of rainy days is May (21 days).
The month with the least rainy days is February (10.4 days).
Average snowfall
Forest Hills, PA
- Average snowfall in January:
6.42" - Average snowfall in February:
6.02" - Average snowfall in March:
4.21" - Average snowfall in April:
0.75" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is January (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Forest Hills, PA
- Average snowfall days in January:
17.8 days - Average snowfall days in February:
14 days - Average snowfall days in March:
9.3 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:
0.5 days - Average snowfall days in November:
5.2 days - Average snowfall days in December:
13 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Forest Hills, 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 24min - 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 24min - 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:
2h and 54min - Average sunshine in February:
3h and 30min - Average sunshine in March:
5h and 18min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 24min - Average sunshine in October:
5h and 12min - Average sunshine in November:
4h and 48min - Average sunshine in December:
3h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days
Forest Hills, PA
- Average sunshine days in January:
7.4 days - Average sunshine days in February:
7.6 days - Average sunshine days in March:
9.8 days - Average sunshine days in April:
9.7 days - Average sunshine days in May:
8.9 days - Average sunshine days in June:
10.7 days
- Average sunshine days in July:
10 days - Average sunshine days in August:
12.1 days - Average sunshine days in September:
13.2 days - Average sunshine days in October:
12.6 days - Average sunshine days in November:
14.8 days - Average sunshine days in December:
9.7 days
The month with the most sunshine days is November (14.8 days).
The month with the least sunshine days is January (7.4 days).
Average UV index
Forest Hills, PA
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Forest Hills, PA
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Forest Hills, PA
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January and February (4mi).





