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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Brookhaven, Pennsylvania, is an icy winter month, with an average temperature varying between 25.7°F (-3.5°C) and 37.4°F (3°C). In Brookhaven, Pennsylvania, the lowest temperatures are generally noted in January, averaging a high of 37.4°F (3°C) and a low of 25.7°F (-3.5°C). Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Brookhaven, Pennsylvania, with an average temperature fluctuating between 27.9°F (-2.3°C) and 41.2°F (5.1°C). The shift from January to February is characterized by an average high-temperature of a still cold 41.2°F (5.1°C), not significantly different from the 37.4°F (3°C) of January. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Brookhaven, Pennsylvania, with an average temperature ranging between min 34.9°F (1.6°C) and max 49.6°F (9.8°C). The start of March brings a subtle shift in the average high-temperature, edging up from February's wintry 41.2°F (5.1°C) to a chilly 49.6°F (9.8°C). Weather in March »
Weather in April
April in Brookhaven, Pennsylvania, is a refreshing spring month, with an average temperature ranging between min 45°F (7.2°C) and max 61.5°F (16.4°C). In Brookhaven, the average high-temperature in April increases from a frosty 49.6°F (9.8°C) in March to a comfortable 61.5°F (16.4°C). Weather in April »
Weather in May
May, the last month of the spring in Brookhaven, is a pleasant month, with temperature in the range of an average high of 72°F (22.2°C) and an average low of 55°F (12.8°C). May brings an increase in the average high-temperature, progressing from a comfortable 61.5°F (16.4°C) in April to a pleasant 72°F (22.2°C). Weather in May »
Weather in June
June, the first month of the summer in Brookhaven, is a moderately hot month, with an average temperature varying between 79.7°F (26.5°C) and 63.1°F (17.3°C). June's onset witnesses a minor shift in the average high-temperature, moving from a pleasant 72°F (22.2°C) in May to a warm 79.7°F (26.5°C). Weather in June »
Weather in July
July, like June, in Brookhaven, Pennsylvania, is a moderately hot summer month, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 68.7°F (20.4°C). Brookhaven reaches its highest average temperatures in July, measuring 85.6°F (29.8°C) at the peak and 68.7°F (20.4°C) at the lowest. In July, the average heat index is evaluated at a fiery hot 95°F (35°C). Weather in July »
Weather in August
August, the last month of the summer in Brookhaven, is another warm month, with an average temperature fluctuating between 83.5°F (28.6°C) and 67.3°F (19.6°C). Transitioning into August, Brookhaven experiences an average high-temperature of a still warm 83.5°F (28.6°C), marking a minor shift from the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Brookhaven, Pennsylvania, with an average temperature varying between 60.8°F (16°C) and 76.6°F (24.8°C). A mild drop in Brookhaven's average high-temperature is observed in September, transitioning from a moderately hot 83.5°F (28.6°C) in August to a still warm 76.6°F (24.8°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Brookhaven, Pennsylvania, with an average temperature fluctuating between 50.7°F (10.4°C) and 64.9°F (18.3°C). The beginning of October marks a decrease in the average high-temperature, transitioning from a warm 76.6°F (24.8°C) in September to a comfortable 64.9°F (18.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Brookhaven, is also a fresh month, with temperature in the range of an average high of 52.7°F (11.5°C) and an average low of 39.2°F (4°C). November's arrival comes with a decrease in the average high-temperature, moving from a refreshing 64.9°F (18.3°C) in October to a cool 52.7°F (11.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Brookhaven, Pennsylvania, with an average temperature ranging between min 32.9°F (0.5°C) and max 44.1°F (6.7°C). The arrival of December corresponds with a light shift in temperature, down from a fresh 52.7°F (11.5°C) in November to a frosty 44.1°F (6.7°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Brookhaven?
The month of January, characterized by an average high of 37.4°F (3°C) and a low of 25.7°F (-3.5°C), is recognized as the coldest in Brookhaven.
What is the driest month in Brookhaven?
January is the month with the least rainfall in Brookhaven, Pennsylvania. Rain falls for 7.1 days and accumulates 1.61" (41mm) of precipitation.
How much does it rain in Brookhaven?
Throughout the year, in Brookhaven, Pennsylvania, there are 148.4 rainfall days, and 25.94" (659mm) of precipitation is accumulated.
When does it snow in Brookhaven?
January through May, November and December are months with snowfall.
How much does it snow in Brookhaven?
In Brookhaven, Pennsylvania, during the entire year, snow falls for 12.6 days and aggregates up to 7.28" (185mm) of snow.
When is the lowest UV index in Brookhaven?
The months with the lowest UV index in Brookhaven are January, February, November and December, with an average maximum UV index of 2.
What are the most humid months in Brookhaven?
The months with the highest humidity are February, October and December, with an average relative humidity of 77%.
What is the month with the least sunshine in Brookhaven?
With an average of 4.9h of sunshine, February has the least sunshine of the year.
When does it snow the most in Brookhaven?
The month with the most snowfall is March, when snow falls for 3 days and typically aggregates up to 2.32" (59mm) of snow.
When is Daylight Saving Time (DST) in Brookhaven?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Brookhaven, 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.
What is the least humid month in Brookhaven?
The least humid month in Brookhaven is April, with an average relative humidity of 71%.
What are the months with the highest UV index in Brookhaven?
May through August, with an average maximum UV index of 6, are months with the highest UV index in Brookhaven.
When it does not snow in Brookhaven?
In Brookhaven, snow does not fall in June through October.
When are the longest days in Brookhaven?
With an average of 15h and 0min of daylight, June has the longest days of the year in Brookhaven, Pennsylvania.
What part of the year is the hottest in Brookhaven?
Brookhaven's temperatures peak on average in July, reaching 85.6°F (29.8°C) at their highest and 68.7°F (20.4°C) at their lowest.
What month has the most sunshine in Brookhaven?
With an average of 10.7h of sunshine, July has the most sunshine of the year.
What is the wettest month in Brookhaven?
August is the month with the most rainfall. Rain falls for 16.1 days and accumulates 3.11" (79mm) of precipitation.
What is the month with the shortest days in Brookhaven?
December has the shortest days of the year in Brookhaven, Pennsylvania, with an average of 9h and 24min of daylight.
Average temperature
Brookhaven, PA
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.4°F).
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure
Brookhaven, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"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
Brookhaven, PA
- Average wind speed in January:
8.4mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.5mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.5mph - Average wind speed in September:
5.9mph - Average wind speed in October:
7.2mph - Average wind speed in November:
7.6mph - Average wind speed in December:
7.9mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity
Brookhaven, PA
The months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall
Brookhaven, PA
- Average rainfall in January:
1.61" - Average rainfall in February:
1.73" - Average rainfall in March:
2.28" - Average rainfall in April:
2.01" - Average rainfall in May:
2.32" - Average rainfall in June:
2.28"
- Average rainfall in July:
2.68" - Average rainfall in August:
3.11" - Average rainfall in September:
1.73" - Average rainfall in October:
1.97" - Average rainfall in November:
1.89" - Average rainfall in December:
2.32"
The wettest month (with the highest rainfall) is August (3.11").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days
Brookhaven, PA
- Average rainfall days in January:
7.1 days - Average rainfall days in February:
8.2 days - Average rainfall days in March:
13.2 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
17 days - Average rainfall days in August:
16.1 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
8.7 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (7.1 days).
Average snowfall
Brookhaven, PA
- Average snowfall in January:
1.73" - Average snowfall in February:
1.61" - Average snowfall in March:
2.32" - Average snowfall in April:
0.2" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Brookhaven, PA
- Average snowfall days in January:
3.5 days - Average snowfall days in February:
3.8 days - Average snowfall days in March:
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:
0.4 days - Average snowfall days in December:
1.5 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Brookhaven, PA
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
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 5min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 3min - Average sunshine in May:
8h and 4min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 1min
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 54min).
Average sunshine days
Brookhaven, PA
- Average sunshine days in January:
20.8 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
12.7 days - Average sunshine days in June:
12.5 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
12.5 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
20.3 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (11.3 days).
Average UV index
Brookhaven, 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
Brookhaven, PA
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Brookhaven, PA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Brookhaven, Pennsylvania, USA
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