August weather forecast and climate
Brookline, NH

The last month of the summer, August, is another warm month in Brookline, New Hampshire, 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).

Temperature

In Brookline, New Hampshire, the average high-temperature is essentially the same as in July - a still moderately hot 80.2°F (26.8°C). The average low-temperature, in Brookline, is 60.1°F (15.6°C).

Humidity

The average relative humidity in Brookline is 75%.

Rainfall

In Brookline, New Hampshire, during August, the rain falls for 14.3 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Brookline, New Hampshire, during the entire year, the rain falls for 147.4 days and collects up to 28.46" (723mm) of precipitation.

Snowfall

In Brookline snow does not fall in June through September.

Daylight

The average length of the day in August is 13.9h.

Sunshine

August has the most sunshine of the year, with an average of 10.4h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in August in Brookline?

In Brookline, in August, the average high-temperature is 80.2°F (26.8°C), and the average low-temperature is 60.1°F (15.6°C).

What is the average humidity in August in Brookline?

The average relative humidity in August in Brookline, New Hampshire, is 75%.

How many days does it rain in August in Brookline?

In Brookline, New Hampshire, during August, the rain falls for 14.3 days and regularly aggregates up to 2.17" (55mm) of precipitation.

When it does not snow in Brookline?

In Brookline snow does not fall in June through September.

What is the average length of the day in August in Brookline?

In Brookline, New Hampshire, the average length of the day in August is 13.9h.

What month has the most sunshine in Brookline?

With an average of 10.4h of sunshine, August has the most sunshine of the year in Brookline, New Hampshire.

How long on average sun shines in August in Brookline?

In Brookline, the average sunshine in August is 10.4h.

What are the months with the highest UV index in Brookline?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Brookline.

What is the UV index intensity in August in Brookline?

In Brookline, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to the UV radiation.
Average temperature in August - Brookline, NH
  • Average high temperature in August: 26.8°C

The warmest month (with the highest average high temperature) is July (27.7°C).
The month with the lowest average high temperature is January (-0.6°C).

  • Average low temperature in August: 15.6°C

The month with the highest average low temperature is July (16.5°C).
The coldest month (with the lowest average low temperature) is January (-7.5°C).

Average pressure in August - Brookline, NH
  • Average pressure in August: 1015mbar

The month with the highest atmospheric pressure is November (1018.3mbar).
The month with the lowest atmospheric pressure is June (1013.2mbar).

Average wind speed in August - Brookline, NH
  • Average wind speed in August: 8.5km/h

The windiest month (with the highest average wind speed) is January (13.3km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).

Average humidity in August - Brookline, NH
  • Average humidity in August: 75%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).

Average rainfall in August - Brookline, NH
  • Average rainfall in August: 55mm

The wettest months (with the highest rainfall) are October and December (72mm).
The driest month (with the least rainfall) is September (38mm).

Average rainfall days in August - Brookline, NH
  • Average rainfall days in August: 14.3 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 in August - Brookline, NH
  • Average snowfall in August: 0mm

The month with the highest snowfall is February (162mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in August - Brookline, NH
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.1 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August / Average sunshine in August - Brookline, NH
  • Average daylight in August: 13.9h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in August: 10.4h

The month with the most sunshine is August (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

Average sunshine days in August - Brookline, NH
  • Average sunshine days in August: 15 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 in August - Brookline, NH
  • Average UV index in August: 6

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in August - Brookline, NH
  • Average cloud cover in August: 34

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 in August - Brookline, NH
  • Average visibility in August: 8km

Months with the highest visibility are April, November and December (9km).
Months with the lowest visibility are January, February, March, May, June, July, August, September and October (8km).