Climate and monthly weather forecastBrentwood, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Brentwood, Pennsylvania, with an average temperature varying between 33.4°F (0.8°C) and 20.8°F (-6.2°C). Temperature records mark January as the coldest month, with highs averaging 33.4°F (0.8°C) and lows at 20.8°F (-6.2°C). Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Brentwood, Pennsylvania, with an average temperature ranging between max 37.8°F (3.2°C) and min 23.4°F (-4.8°C). February ushers in an average high-temperature of a still wintry 37.8°F (3.2°C), aligning closely with the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Brentwood, Pennsylvania, with an average temperature fluctuating between 47.8°F (8.8°C) and 31.5°F (-0.3°C). As February transitions into March, a change in temperatures is observed, with average highs moving from a cold 37.8°F (3.2°C) to a chilly 47.8°F (8.8°C). Weather in March »Weather in April
April in Brentwood, Pennsylvania, is a moderate spring month, with an average temperature ranging between min 41.7°F (5.4°C) and max 60.6°F (15.9°C). April brings a temperature change, with average high-temperatures moving from March's chilly 47.8°F (8.8°C) to a refreshing 60.6°F (15.9°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Brentwood, Pennsylvania, with an average temperature fluctuating between 51.4°F (10.8°C) and 72.3°F (22.4°C). Entering May, Brentwood sees a temperature rise, with the average high-temperature advancing from April's mild 60.6°F (15.9°C) to a pleasant 72.3°F (22.4°C). Weather in May »Weather in June
June, the first month of the summer in Brentwood, is a warm month, with an average temperature fluctuating between 79.3°F (26.3°C) and 58.6°F (14.8°C). June sees a marginal temperature increase, moving from a pleasant 72.3°F (22.4°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »Weather in July
July, like June, in Brentwood, Pennsylvania, is another warm summer month, with temperature in the range of an average low of 63°F (17.2°C) and an average high of 83.8°F (28.8°C). Brentwood's temperatures peak on average in July, reaching 83.8°F (28.8°C) at their highest and 63°F (17.2°C) at their lowest. July's average heat index is appraised at a hot 91.4°F (33°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Brentwood, Pennsylvania, with an average temperature varying between 61.2°F (16.2°C) and 82.2°F (27.9°C). Brentwood marks the start of August with an average high-temperature of a still warm 82.2°F (27.9°C), hinting at a slight fluctuation from July's 83.8°F (28.8°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Brentwood, Pennsylvania, with an average temperature fluctuating between 75.7°F (24.3°C) and 55.9°F (13.3°C). With the onset of September, the average high-temperature subtly recedes from August's warm 82.2°F (27.9°C) to a still moderately hot 75.7°F (24.3°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Brentwood, 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). The arrival of October corresponds with a reduction in the average high-temperature, down from September's moderately hot 75.7°F (24.3°C) 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 Brentwood, Pennsylvania, with temperature in the range of an average low of 34.3°F (1.3°C) and an average high of 49.3°F (9.6°C). The commencement of November involves a temperature shift, with the average high-temperature dropping from a refreshing 62.1°F (16.7°C) in October to a chilly 49.3°F (9.6°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Brentwood, Pennsylvania, with an average temperature varying between 28.2°F (-2.1°C) and 39.7°F (4.3°C). The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a chilly 49.3°F (9.6°C) in November to a cold 39.7°F (4.3°C). Weather in December »Updated: Aug 14, 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
With average high and low temperatures of 33.4°F (0.8°C) and 20.8°F (-6.2°C) respectively, January is Brentwood's coldest month.
January and February, with an average relative humidity of 84%, are most humid months.
In Brentwood, during the entire year, the rain falls for 164 days and collects up to 26.89" (683mm) of precipitation.
Months with snowfall are January through April, October through December.
The month with the most snowfall in Brentwood is January, when snow falls for 16.3 days and typically aggregates up to 3.46" (88mm) of snow.
In Brentwood, 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.
May is the month with the most rainfall. Rain falls for 18.4 days and accumulates 3.07" (78mm) of precipitation.
In Brentwood, snow does not fall in May through September.
With an average of 15h and 0min of daylight, June has the longest days of the year.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
In Brentwood, the peak average temperatures are observed in July, with a high of 83.8°F (28.8°C) and a low of 63°F (17.2°C).
With an average relative humidity of 73%, August is the least humid month.
The month with the most sunshine is August, with an average of 10.1h of sunshine.
The month with the least rainfall in Brentwood is November, when the rain falls for 10 days and typically collects 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
Brentwood, 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
Brentwood, 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
Brentwood, 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
Brentwood, 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
Brentwood, 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
Brentwood, 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
Brentwood, 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
Brentwood, 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
Brentwood, 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
Brentwood, 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
Brentwood, 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
Brentwood, 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
Brentwood, 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).
