Climate and monthly weather forecastBrookline, PA
Climate and monthly weather forecast
Weather in January
January, like December, in Brookline, Pennsylvania, is another cold winter month, with temperature in the range of an average high of 33.4°F (0.8°C) and an average low of 20.8°F (-6.2°C). January, characterized by an average high temperature of 33.4°F (0.8°C) and a low temperature of 20.8°F (-6.2°C), is generally the coldest month. Weather in January »Weather in February
February, the last month of the winter in Brookline, is also a wintry month, with temperature in the range of an average low of 23.4°F (-4.8°C) and an average high of 37.8°F (3.2°C). The commencement of February records an average high-temperature of a still icy 37.8°F (3.2°C), barely varying from January's 33.4°F (0.8°C). Weather in February »Weather in March
March, the first month of the spring in Brookline, is a chilly month, with temperature in the range of an average high of 47.8°F (8.8°C) and an average low of 31.5°F (-0.3°C). Observing a rise in March, the average high-temperature goes from February's wintry 37.8°F (3.2°C) to a frosty 47.8°F (8.8°C). Weather in March »Weather in April
April is a refreshing spring month in Brookline, Pennsylvania, with an average temperature ranging between min 41.7°F (5.4°C) and max 60.6°F (15.9°C). April's onset witnesses a shift in the average high-temperature, moving from a frosty 47.8°F (8.8°C) in March to a moderate 60.6°F (15.9°C). Weather in April »Weather in May
May, the last month of the spring in Brookline, is an agreeable month, with temperature in the range of an average low of 51.4°F (10.8°C) and an average high of 72.3°F (22.4°C). As Brookline enters May, the average high-temperature increases from the a refreshing 60.6°F (15.9°C) of April to an agreeable 72.3°F (22.4°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Brookline, Pennsylvania, with an average temperature varying between 79.3°F (26.3°C) and 58.6°F (14.8°C). A slight uplift in the average high-temperature marks June, adjusting from May's pleasant 72.3°F (22.4°C) to a moderately hot 79.3°F (26.3°C). Weather in June »Weather in July
July, like June, in Brookline, Pennsylvania, is another warm summer month, with temperature in the range of an average high of 83.8°F (28.8°C) and an average low of 63°F (17.2°C). In Brookline, the month of July is known for its highest average temperatures, reaching a high of 83.8°F (28.8°C) and a low of 63°F (17.2°C). For July, the heat index is computed to be a hot 91.4°F (33°C). Weather in July »Weather in August
August, the last month of the summer in Brookline, is another warm month, with an average temperature fluctuating between 82.2°F (27.9°C) and 61.2°F (16.2°C). August experiences an average high-temperature of a still moderately hot 82.2°F (27.9°C), barely different from July's 83.8°F (28.8°C). Weather in August »Weather in September
September, the first month of the autumn in Brookline, is still a warm month, with an average temperature fluctuating between 75.7°F (24.3°C) and 55.9°F (13.3°C). The arrival of September signals a subtle shift in temperature, down from a moderately hot 82.2°F (27.9°C) in August to a still warm 75.7°F (24.3°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Brookline, Pennsylvania, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 62.1°F (16.7°C). October's arrival correlates with a reduction in the average high-temperature, down from a moderately hot 75.7°F (24.3°C) in September to a refreshing 62.1°F (16.7°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Brookline, Pennsylvania, with an average temperature ranging between max 49.3°F (9.6°C) and min 34.3°F (1.3°C). The decrease of average high-temperatures is mild in November, with a decline from a comfortable 62.1°F (16.7°C) in October to a frosty 49.3°F (9.6°C). Weather in November »Weather in December
December, the first month of the winter in Brookline, is also a wintry month, with an average temperature ranging between max 39.7°F (4.3°C) and min 28.2°F (-2.1°C). December indicates a shift in the average high-temperature, from November's frosty 49.3°F (9.6°C) to a cold 39.7°F (4.3°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
During the coldest month in Brookline, January, temperatures average a high of 33.4°F (0.8°C) and a low of 20.8°F (-6.2°C).
The months with the highest humidity in Brookline, Pennsylvania, are January and February, with an average relative humidity of 84%.
Throughout the year, there are 164 rainfall days, and 26.89" (683mm) of precipitation is accumulated.
Months with snowfall are January through April, October through December.
January is the month with the most snowfall. Snow falls for 16.3 days and accumulates 3.46" (88mm) of snow.
In Brookline, during the entire year, snow falls for 53.3 days and aggregates up to 13.27" (337mm) of snow.
With an average of 2.9h of sunshine, January has the least sunshine of the year.
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.
The month with the most rainfall in Brookline is May, when the rain falls for 18.4 days and typically aggregates up to 3.07" (78mm) of precipitation.
May through September are months without snowfall.
June has the longest days of the year, with an average of 15h and 0min of daylight.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
In Brookline, July is identified by the average highest temperatures, reaching a peak of 83.8°F (28.8°C) and a low of 63°F (17.2°C).
August is the least humid month in Brookline, with an average relative humidity of 73%.
The month with the most sunshine is August, with an average of 10.1h of sunshine.
November is the month with the least rainfall in Brookline, Pennsylvania. Rain falls for 10 days and accumulates 1.61" (41mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 18min of daylight.
The month with the lowest UV index is December, with an average maximum UV index of 1.
Average temperature
Brookline, PA
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.4°F).
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure
Brookline, 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
Brookline, PA
- Average wind speed in January:
7.9mph - Average wind speed in February:
7.6mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.4mph - Average wind speed in May:
6mph - Average wind speed in June:
5.7mph
- 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:
6.8mph - Average wind speed in December:
7.3mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity
Brookline, PA
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (73%).
Average rainfall
Brookline, PA
- Average rainfall in January:
1.65" - Average rainfall in February:
1.85" - Average rainfall in March:
1.97" - Average rainfall in April:
2.8" - Average rainfall in May:
3.07" - Average rainfall in June:
2.76"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days
Brookline, PA
- Average rainfall days in January:
8.5 days - Average rainfall days in February:
8.9 days - Average rainfall days in March:
12.4 days - Average rainfall days in April:
16.6 days - Average rainfall days in May:
18.4 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
17.7 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
14.3 days - Average rainfall days in November:
10 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (8.5 days).
Average snowfall
Brookline, PA
The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Brookline, PA
- Average snowfall days in January:
16.3 days - Average snowfall days in February:
11.9 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
1.8 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:
0.3 days - Average snowfall days in November:
3.9 days - Average snowfall days in December:
11.8 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Brookline, 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 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 48min - 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 42min - Average sunshine in December:
3h and 18min
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
Brookline, PA
- Average sunshine days in January:
9.7 days - Average sunshine days in February:
9.5 days - Average sunshine days in March:
11.9 days - Average sunshine days in April:
10.9 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
11.9 days
- Average sunshine days in July:
11.7 days - Average sunshine days in August:
13 days - Average sunshine days in September:
14 days - Average sunshine days in October:
14.4 days - Average sunshine days in November:
16.4 days - Average sunshine days in December:
11 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is February (9.5 days).
Average UV index
Brookline, 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
Brookline, PA
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Brookline, PA
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
