Climate and monthly weather forecastSunnybrook, PA
Climate and monthly weather forecast
Weather in January
January, like December, in Sunnybrook, Pennsylvania, is another cold winter month, with an average temperature varying between 36.7°F (2.6°C) and 24.6°F (-4.1°C). Sunnybrook records the coldest temperatures in January, averaging a high of 36.7°F (2.6°C) and a low of 24.6°F (-4.1°C). Weather in January »Weather in February
February, the last month of the winter in Sunnybrook, is also a wintry month, with an average temperature ranging between max 40.5°F (4.7°C) and min 26.6°F (-3°C). Sunnybrook ushers in February with an average high-temperature of a still icy 40.5°F (4.7°C), showing a close resemblance to the previous month. Weather in February »Weather in March
March, the first month of the spring in Sunnybrook, is a frosty month, with an average temperature varying between 48.7°F (9.3°C) and 33.8°F (1°C). With the onset of March, Sunnybrook's average high-temperature sees a modest rise, moving from February's cold 40.5°F (4.7°C) to a chilly 48.7°F (9.3°C). Weather in March »Weather in April
April in Sunnybrook, Pennsylvania, is a comfortable spring month, with temperature in the range of an average high of 61.2°F (16.2°C) and an average low of 44.1°F (6.7°C). April's arrival brings a change in high-temperatures, moving from a chilly 48.7°F (9.3°C) in March to a refreshing 61.2°F (16.2°C). Weather in April »Weather in May
May, the last month of the spring in Sunnybrook, is an agreeable month, with an average temperature ranging between max 71.8°F (22.1°C) and min 54.1°F (12.3°C). As May begins, there is an increase in the average high-temperature, moving from a refreshing 61.2°F (16.2°C) in April to a pleasant 71.8°F (22.1°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Sunnybrook, Pennsylvania, with an average temperature varying between 79.9°F (26.6°C) and 62.1°F (16.7°C). June's arrival brings a modest temperature shift, moving from a pleasant 71.8°F (22.1°C) in May to a warm 79.9°F (26.6°C). Weather in June »Weather in July
July in Sunnybrook, Pennsylvania, is a hot summer month, with an average temperature ranging between max 86.2°F (30.1°C) and min 68.2°F (20.1°C). Sunnybrook's July weather, with an average high temperature of 86.2°F (30.1°C) and an average low temperature of 68.2°F (20.1°C), tends to be the warmest of the year. In July, the average heat index is appraised at a very hot 96.8°F (36°C). Weather in July »Weather in August
August, the last month of the summer in Sunnybrook, is also a moderately hot month, with an average temperature varying between 66.7°F (19.3°C) and 83.3°F (28.5°C). The average high-temperature for August is a warm 83.3°F (28.5°C), closely aligning with the temperature of the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Sunnybrook, Pennsylvania, with temperature in the range of an average high of 76.1°F (24.5°C) and an average low of 59.9°F (15.5°C). With September's onset, the weather reveals a slight temperature decrease, transitioning from 83.3°F (28.5°C) in August to a still warm 76.1°F (24.5°C). Weather in September »Weather in October
October, like September, in Sunnybrook, Pennsylvania, is another refreshing autumn month, with an average temperature ranging between max 64°F (17.8°C) and min 49.5°F (9.7°C). A moderate decline in the average high-temperature is seen during October, decreasing from a moderately hot 76.1°F (24.5°C) in September to a refreshing 64°F (17.8°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Sunnybrook, Pennsylvania, with an average temperature ranging between max 52.2°F (11.2°C) and min 37.9°F (3.3°C). During Sunnybrook's transition into November, the average high-temperature lessens, moving from an enjoyable 64°F (17.8°C) in October to a cool 52.2°F (11.2°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Sunnybrook, Pennsylvania, with an average temperature varying between 42.8°F (6°C) and 31.6°F (-0.2°C). The onset of December brings a small change in high-temperatures, falling from a fresh 52.2°F (11.2°C) in November to a frosty 42.8°F (6°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Sunnybrook, PA
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (36.7°F).
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure
Sunnybrook, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"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
Sunnybrook, PA
- Average wind speed in January:
8mph - Average wind speed in February:
8.1mph - Average wind speed in March:
8.4mph - Average wind speed in April:
8.3mph - Average wind speed in May:
6.7mph - 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:
5.8mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity
Sunnybrook, PA
The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).
Average rainfall
Sunnybrook, PA
- Average rainfall in January:
0.83" - Average rainfall in February:
0.83" - Average rainfall in March:
1.02" - Average rainfall in April:
0.98" - Average rainfall in May:
1.18" - Average rainfall in June:
1.22"
- Average rainfall in July:
1.42" - Average rainfall in August:
1.54" - Average rainfall in September:
0.75" - Average rainfall in October:
0.91" - Average rainfall in November:
0.87" - Average rainfall in December:
1.14"
The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days
Sunnybrook, PA
- Average rainfall days in January:
6.6 days - Average rainfall days in February:
7 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
11.9 days - Average rainfall days in May:
14.1 days - Average rainfall days in June:
13.1 days
- Average rainfall days in July:
13.9 days - Average rainfall days in August:
12.7 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
8.8 days - Average rainfall days in November:
6.4 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is November (6.4 days).
Average snowfall
Sunnybrook, PA
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Sunnybrook, PA
- Average snowfall days in January:
5.1 days - Average snowfall days in February:
4.8 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 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:
0.5 days - Average snowfall days in December:
2.5 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Sunnybrook, 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 0min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 36min - 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Sunnybrook, PA
- Average sunshine days in January:
21.1 days - Average sunshine days in February:
17.6 days - Average sunshine days in March:
17.3 days - Average sunshine days in April:
15.4 days - Average sunshine days in May:
14.4 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
14.7 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
18.5 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
21.3 days - Average sunshine days in December:
20.9 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (14.4 days).
Average UV index
Sunnybrook, 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, March, November and December (UV index 2).
Average cloud cover
Sunnybrook, PA
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Sunnybrook, PA
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).





