August weather forecast
Hamilton, MA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Hamilton, Massachusetts, with an average temperature fluctuating between 64.6°F (18.1°C) and 75°F (23.9°C).

Temperature

August's commencement is accompanied by an average high-temperature of a still moderately hot 75°F (23.9°C), diverging marginally from July's 75.7°F (24.3°C). Hamilton experiences a consistent average temperature of 64.6°F (18.1°C) throughout the nights in August.

Humidity

In August, the average relative humidity is 78%.

Rainfall

In Hamilton, during August, the rain falls for 10.8 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, there are 113.7 rainfall days, and 9.69" (246mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in August in Hamilton is 13h and 52min.
On the first day of the month, sunrise is at 5:36 am and sunset at 8:03 pm. On the last day of August, sunrise is at 6:07 am and sunset at 7:18 pm EDT.

Sunshine

The month with the most sunshine is August, with an average of 10.8h of sunshine.

UV index

The months with the highest UV index are July and August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: During August, 6 as the daily maximum UV index converts into the following advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

In Hamilton, 75°F (23.9°C) is the average high-temperature and 64.6°F (18.1°C) is the average low-temperature during August.

What is the average humidity in August?

The average relative humidity in August is 78%.

How many days does it rain in August?

In Hamilton, Massachusetts, during August, the rain falls for 10.8 days and regularly aggregates up to 0.98" (25mm) of precipitation.

When it does not snow?

In Hamilton, snow does not fall in May through October.

How many hours of daylight does Hamilton have in August?

The average day length in August is 13h and 52min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 5:36 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 7:18 pm EDT.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 10.8h of sunshine.

How long on average sun shines in August?

In Hamilton, the average sunshine duration in August is 10.8h.

What is the month with the highest UV index in Hamilton?

The months with the highest UV index are July and August, with an average maximum UV index of 6.

What is the UV index intensity in August?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Hamilton, MA

Average temperature in August - Hamilton, MA
  • Average high temperature in August: 75°F

The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in August: 64.6°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure in August
Hamilton, MA

Average pressure in August - Hamilton, MA
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in August
Hamilton, MA

Average wind speed in August - Hamilton, MA
  • Average wind speed in August: 7.8mph

The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

Average humidity in August
Hamilton, MA

Average humidity in August - Hamilton, MA
  • Average humidity in August: 78%

The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is November (73%).

Average rainfall in August
Hamilton, MA

Average rainfall in August - Hamilton, MA
  • Average rainfall in August: 0.98"

The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in August
Hamilton, MA

Average rainfall days in August - Hamilton, MA
  • Average rainfall days in August: 10.8 days

The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is January (6.4 days).

Average snowfall in August
Hamilton, MA

Average snowfall in August - Hamilton, MA
  • Average snowfall in August: 0"

The month with the highest snowfall is March (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Hamilton, MA

Average snowfall days in August - Hamilton, MA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Hamilton, MA

Average daylight in August / Average sunshine in August - Hamilton, MA
  • Average daylight in August: 13h and 5min

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 August: 10h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days in August
Hamilton, MA

Average sunshine days in August - Hamilton, MA
  • Average sunshine days in August: 17.7 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (16 days).

Average UV index in August
Hamilton, MA

Average UV index in August - Hamilton, MA
  • Average UV index in August: 6

The months with the highest UV index are 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 in August
Hamilton, MA

Average cloud cover in August - Hamilton, MA
  • Average cloud cover in August: 28

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in August
Hamilton, MA

Average visibility in August - Hamilton, MA
  • Average visibility in August: 6mi

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).

Hamilton, Massachusetts, USA

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