Climate and monthly weather forecastGreenbrook, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Greenbrook, Pennsylvania, with temperature in the range of an average low of 25.2°F (-3.8°C) and an average high of 37°F (2.8°C). January is the coldest month, exhibiting average temperatures of 37°F (2.8°C) at the peak and 25.2°F (-3.8°C) at the base. Weather in January »Weather in February
February, the last month of the winter in Greenbrook, is also an icy month, with an average temperature ranging between max 40.6°F (4.8°C) and min 27°F (-2.8°C). As Greenbrook welcomes February, the average high-temperature stabilizes at a still cold 40.6°F (4.8°C), showing little deviation from January's 37°F (2.8°C). Weather in February »Weather in March
March, the first month of the spring in Greenbrook, is a chilly month, with an average temperature varying between 48.7°F (9.3°C) and 34.3°F (1.3°C). The shift into March is marked by a modest rise in the average high-temperature, moving from February's wintry 40.6°F (4.8°C) to a chilly 48.7°F (9.3°C). Weather in March »Weather in April
April is a refreshing spring month in Greenbrook, Pennsylvania, with an average temperature fluctuating between 61.2°F (16.2°C) and 44.1°F (6.7°C). April witnesses an increase in the average high-temperature, moving from a chilly 48.7°F (9.3°C) in March to a comfortable 61.2°F (16.2°C). Weather in April »Weather in May
May, the last month of the spring in Greenbrook, is an agreeable month, with an average temperature fluctuating between 53.8°F (12.1°C) and 71.2°F (21.8°C). The shift into May is characterized by a rise in the average high-temperature, transitioning from April's refreshing 61.2°F (16.2°C) to an agreeable 71.2°F (21.8°C). Weather in May »Weather in June
June, the first month of the summer in Greenbrook, is a warm month, with an average temperature ranging between min 61.7°F (16.5°C) and max 79.5°F (26.4°C). A minor escalation in the average high-temperature is seen with the onset of June, moving from an agreeable 71.2°F (21.8°C) in May to a moderately hot 79.5°F (26.4°C). Weather in June »Weather in July
July, like June, in Greenbrook, Pennsylvania, is another warm summer month, with temperature in the range of an average low of 68°F (20°C) and an average high of 85.5°F (29.7°C). The average temperatures reach their apex in July, averaging 85.5°F (29.7°C) at the high end and 68°F (20°C) at the low end. In July, the average heat index is evaluated at a very hot 95°F (35°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Greenbrook, Pennsylvania, with an average temperature varying between 83.1°F (28.4°C) and 66.7°F (19.3°C). The transition into August notes an average high-temperature of a still moderately hot 83.1°F (28.4°C), revealing a mild distinction from the 85.5°F (29.7°C) in July. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Greenbrook, Pennsylvania, with an average temperature fluctuating between 76.5°F (24.7°C) and 59.9°F (15.5°C). The beginning of September brings a minor change in the average high-temperature, shifting from 83.1°F (28.4°C) in August to a still warm 76.5°F (24.7°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Greenbrook, Pennsylvania, with temperature in the range of an average high of 64.2°F (17.9°C) and an average low of 49.6°F (9.8°C). Greenbrook's weather changes with the onset of October, slightly falling from a warm 76.5°F (24.7°C) in September to a refreshing 64.2°F (17.9°C). Weather in October »Weather in November
November, the last month of the autumn in Greenbrook, is another cool month, with an average temperature fluctuating between 38.7°F (3.7°C) and 52.3°F (11.3°C). As November commences, the average high-temperature shows a reduction, transitioning from a comfortable 64.2°F (17.9°C) in October to a fresh 52.3°F (11.3°C). Weather in November »Weather in December
December, the first month of the winter in Greenbrook, is also a frosty month, with temperature in the range of an average high of 43.7°F (6.5°C) and an average low of 32.4°F (0.2°C). December brings a slight decrease in the average high-temperature, shifting from a cool 52.3°F (11.3°C) in November to a frosty 43.7°F (6.5°C). Weather in December »Updated: Feb 13, 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
In Greenbrook, Pennsylvania, the average lowest temperatures are observed in January, with a high of 37°F (2.8°C) and a low of 25.2°F (-3.8°C).
January is the month with the least rainfall in Greenbrook. Rain falls for 8 days and accumulates 1.89" (48mm) of precipitation.
Throughout the year, in Greenbrook, there are 154.4 rainfall days, and 31.38" (797mm) of precipitation is accumulated.
January through May, November and December are months with snowfall in Greenbrook, Pennsylvania.
Throughout the year, in Greenbrook, there are 15.9 snowfall days, and 8.5" (216mm) of snow is accumulated.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
February and October, with an average relative humidity of 78%, are most humid months in Greenbrook, Pennsylvania.
February has the least sunshine of the year, with an average of 4.8h of sunshine.
The month with the most snowfall is March, when snow falls for 3.3 days and typically aggregates up to 2.99" (76mm) 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.
April is the least humid month, with an average relative humidity of 72%.
May through August, with an average maximum UV index of 6, are months with the highest UV index in Greenbrook, Pennsylvania.
June through October are months without snowfall.
With an average of 15h and 0min of daylight, June has the longest days of the year in Greenbrook.
With average high temperatures of 85.5°F (29.7°C) and lows of 68°F (20°C), July is the warmest month.
July is the month with the most rainfall in Greenbrook, Pennsylvania. Rain falls for 18.8 days and accumulates 3.66" (93mm) of precipitation.
The month with the most sunshine is July, with an average of 10.6h of sunshine.
December has the shortest days of the year, with an average of 9h and 24min of daylight.
Average temperature
Greenbrook, PA
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37°F).
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure
Greenbrook, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Greenbrook, PA
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.5mph - Average wind speed in May:
6.9mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.4mph - Average wind speed in September:
6mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.4mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity
Greenbrook, PA
The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Greenbrook, PA
- Average rainfall in January:
1.89" - Average rainfall in February:
2.13" - Average rainfall in March:
2.6" - Average rainfall in April:
2.44" - Average rainfall in May:
2.8" - Average rainfall in June:
2.64"
The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days
Greenbrook, PA
- Average rainfall days in January:
8 days - Average rainfall days in February:
8.5 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
18.8 days - Average rainfall days in August:
16 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
10.9 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (8 days).
Average snowfall
Greenbrook, PA
- Average snowfall in January:
1.57" - Average snowfall in February:
2.01" - Average snowfall in March:
2.99" - Average snowfall in April:
0.24" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is March (2.99").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Greenbrook, PA
- Average snowfall days in January:
4.8 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
3.3 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 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
2.8 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Greenbrook, 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:
10h and 0min - Average daylight in December:
9h and 24min
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 24min).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 30min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 36min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Greenbrook, PA
- Average sunshine days in January:
19.8 days - Average sunshine days in February:
16 days - Average sunshine days in March:
16.7 days - Average sunshine days in April:
14.4 days - Average sunshine days in May:
12.7 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
9.9 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
14.9 days - Average sunshine days in October:
17.3 days - Average sunshine days in November:
20.6 days - Average sunshine days in December:
18.1 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.9 days).
Average UV index
Greenbrook, PA
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Greenbrook, PA
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Greenbrook, PA
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
