Climate and monthly weather forecastBrookline, NH
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Brookline, New Hampshire, with temperature in the range of an average high of 30.9°F (-0.6°C) and an average low of 18.5°F (-7.5°C). January, known for its average high temperature of 30.9°F (-0.6°C) and an average low temperature of 18.5°F (-7.5°C), is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Brookline, is an icy month, with an average temperature ranging between max 34°F (1.1°C) and min 19.4°F (-7°C). The arrival of February brings an average high-temperature of a cold 34°F (1.1°C), nearly identical to January's 30.9°F (-0.6°C). Weather in February »Weather in March
The first month of the spring, March, is also an icy month in Brookline, New Hampshire, with temperature in the range of an average high of 41.5°F (5.3°C) and an average low of 27.1°F (-2.7°C). March showcases a minor temperature ascent, adjusting from February's 34°F (1.1°C) to a still wintry 41.5°F (5.3°C). Weather in March »Weather in April
April in Brookline, New Hampshire, is a fresh spring month, with an average temperature varying between 55.2°F (12.9°C) and 37.6°F (3.1°C). Brookline sees a rise in temperature during April, with average high-temperatures transitioning from a cold 41.5°F (5.3°C) in March to a fresh 55.2°F (12.9°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Brookline, New Hampshire, with an average temperature fluctuating between 67.3°F (19.6°C) and 47.7°F (8.7°C). The start of May brings a shift in the average high-temperature, increasing from April's cool 55.2°F (12.9°C) to a refreshing 67.3°F (19.6°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Brookline, New Hampshire, with an average temperature varying between 55°F (12.8°C) and 75°F (23.9°C). With the onset of June, Brookline experiences a subtle temperature shift, with the average high-temperature moving from an enjoyable 67.3°F (19.6°C) in May to a moderately hot 75°F (23.9°C). Weather in June »Weather in July
July, like June, in Brookline, New Hampshire, is another warm summer month, with an average temperature ranging between min 61.7°F (16.5°C) and max 81.9°F (27.7°C). In Brookline, July records the highest average temperatures, peaking at 81.9°F (27.7°C) and reaching a low of 61.7°F (16.5°C). The average heat index in July is evaluated at a tropical 87.8°F (31°C). Weather in July »Weather in August
August, the last month of the summer in Brookline, is another warm month, with temperature in the range of an average low of 60.1°F (15.6°C) and an average high of 80.2°F (26.8°C). Brookline in August witnesses an average high-temperature of a still warm 80.2°F (26.8°C), indicating a slight variation from July's 81.9°F (27.7°C). Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Brookline, New Hampshire, with an average temperature ranging between min 53.8°F (12.1°C) and max 72.3°F (22.4°C). As September arrives, Brookline's weather displays a minor decrease in high-temperatures, transitioning from August's moderately hot 80.2°F (26.8°C) to a pleasant 72.3°F (22.4°C). Weather in September »Weather in October
October, the same as September, in Brookline, New Hampshire, is another refreshing autumn month, with an average temperature varying between 59.7°F (15.4°C) and 44.6°F (7°C). A decrease in the average high-temperature is observed during October, shifting from a pleasant 72.3°F (22.4°C) in September to a mild 59.7°F (15.4°C). Weather in October »Weather in November
November, the last month of the autumn in Brookline, is another chilly month, with an average temperature varying between 47.3°F (8.5°C) and 34.2°F (1.2°C). The arrival of November indicates a decrease in the average high-temperature, moving from a moderate 59.7°F (15.4°C) in October to a chilly 47.3°F (8.5°C). Weather in November »Weather in December
December, the first month of the winter in Brookline, is still a cold month, with an average temperature ranging between max 36.7°F (2.6°C) and min 25.7°F (-3.5°C). As December begins, there is a decrease in the average high-temperature, falling from a chilly 47.3°F (8.5°C) in November to a cold 36.7°F (2.6°C). Weather in December »Updated: Aug 1, 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
The lowest temperatures are recorded in January, with averages reaching a high of 30.9°F (-0.6°C) and a low of 18.5°F (-7.5°C).
Throughout the year, there are 147.4 rainfall days, and 28.46" (723mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
In Brookline, during the entire year, snow falls for 35.7 days and aggregates up to 25.35" (644mm) of snow.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
February is the most humid month in Brookline, with an average relative humidity of 81%.
The month with the most snowfall is February, when snow falls for 8.9 days and typically aggregates up to 6.38" (162mm) of snow.
February has the least sunshine of the year, with an average of 4.6h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Brookline, 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.
With an average relative humidity of 71%, April is the least humid month.
In Brookline, snow does not fall in June through September.
With an average of 15h and 18min of daylight, June has the longest days of the year.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
With average high temperatures of 81.9°F (27.7°C) and lows of 61.7°F (16.5°C), July is the warmest month.
The month with the most sunshine is August, with an average of 10.4h of sunshine.
September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 1.5" (38mm) of precipitation.
The months with the most rainfall in Brookline are October and December, with an average 2.83" (72mm) of precipitation.
With an average of 9h and 6min of daylight, December has the shortest days of the year.
Average temperature
Brookline, NH
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (30.9°F).
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure
Brookline, NH
- Average pressure in January:
30.01"Hg - Average pressure in February:
29.99"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Brookline, NH
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.1mph - Average wind speed in March:
8mph - Average wind speed in April:
7.6mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.6mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.8mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity
Brookline, NH
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).
Average rainfall
Brookline, NH
- Average rainfall in January:
2.2" - Average rainfall in February:
2.17" - Average rainfall in March:
2.48" - Average rainfall in April:
2.6" - Average rainfall in May:
2.13" - Average rainfall in June:
2.48"
The wettest months (with the highest rainfall) are October and December (2.83").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days
Brookline, NH
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
14.4 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
13.6 days - Average rainfall days in November:
10.7 days - Average rainfall days in December:
10.6 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (7.3 days).
Average snowfall
Brookline, NH
The month with the highest snowfall is February (6.38").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Brookline, NH
- Average snowfall days in January:
9.1 days - Average snowfall days in February:
8.9 days - Average snowfall days in March:
8.3 days - Average snowfall days in April:
1.6 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:
0.4 days - Average snowfall days in November:
1.8 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Brookline, NH
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
4h and 36min - Average sunshine in March:
5h and 54min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 24min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
Brookline, NH
- Average sunshine days in January:
17.4 days - Average sunshine days in February:
14.6 days - Average sunshine days in March:
13.5 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
13.2 days - Average sunshine days in June:
13.7 days
- Average sunshine days in July:
13.4 days - Average sunshine days in August:
15 days - Average sunshine days in September:
16.2 days - Average sunshine days in October:
15.1 days - Average sunshine days in November:
17.6 days - Average sunshine days in December:
17.3 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (13.2 days).
Average UV index
Brookline, NH
The months with the highest UV index are 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
Brookline, NH
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Brookline, NH
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
