August weather forecast
Amherst, MA

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Weather in August

Entering August, Amherst sees a slight dip in temperatures, yet continues its warm summer trend. Temperatures hover around 80.1°F (26.7°C), providing more comfort and reducing the intense summer swelter. As summer winds down, it's the perfect time for backyard barbecues, movie nights, and countryside visits. The energy is vibrant, fueled by the last bits of summer excitement before transitioning into autumn. As daylight reduces, capturing the beautiful sunset becomes a common sight across the city.

Temperature

August's arrival brings an average high-temperature of a still moderately hot 80.1°F (26.7°C), demonstrating subtle variation from the preceding month. In August, Amherst records an average nighttime temperature of 59.2°F (15.1°C).

Humidity

In Amherst, the average relative humidity in August is 76%.

Rainfall

In August, in Amherst, the rain falls for 12.8 days. Throughout August, 1.89" (48mm) of precipitation is accumulated. In Amherst, during the entire year, the rain falls for 141.3 days and collects up to 27.05" (687mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 51min.
On the first day of August, sunrise is at 5:43 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:25 pm EDT.

Sunshine

July and August, with an average of 10.3h of sunshine, are months with the most sunshine in Amherst.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 6 during August translates into the following guidance:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

What is the usual temperature for Amherst in August?

The average high-temperature and low-temperature during August are 80.1°F (26.7°C) and 59.2°F (15.1°C) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in July is estimated at 87.8°F (31°C).

What is the average humidity in August in Amherst?

The average relative humidity in August in Amherst is 76%.

How much does it rain in Amherst in August?

In Amherst, in August, it is raining for 12.8 days, with typically 1.89" (48mm) of accumulated precipitation.

When it does not snow in Amherst?

June through September are months without snowfall.

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

In Amherst, the average day length in August is 13h and 51min.

What time are sunrise and sunset in August in Amherst?

In August, on the first day of the month, sunrise is at 5:43 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:25 pm EDT.

What is the month with the most sunshine in Amherst?

The months with the most sunshine in Amherst, Massachusetts, are July and August, with an average of 10.3h of sunshine.

How long on average sun shines in August in Amherst?

The average sunshine duration in August in Amherst is 10.3h.

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

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

What is the UV index intensity in August in Amherst?

The average daily maximum UV index in August in Amherst, Massachusetts, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
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
Amherst, MA

Average temperature in August - Amherst, MA
  • Average high temperature in August: 80.1°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in August: 59.2°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

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Average pressure in August
Amherst, MA

Average pressure in August - Amherst, MA
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in August
Amherst, MA

Average wind speed in August - Amherst, MA
  • Average wind speed in August: 5mph

The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in August
Amherst, MA

Average humidity in August - Amherst, MA
  • Average humidity in August: 76%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in August
Amherst, MA

Average rainfall in August - Amherst, MA
  • Average rainfall in August: 1.89"

The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in August
Amherst, MA

Average rainfall days in August - Amherst, MA
  • Average rainfall days in August: 12.8 days

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in August
Amherst, MA

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

The month with the highest snowfall is February (6.14").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Amherst, MA

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

The month with the highest number of snowfall days is February (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in August: 10h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in August
Amherst, MA

Average sunshine days in August - Amherst, MA
  • Average sunshine days in August: 15.4 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is March (13.6 days).

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Average UV index in August
Amherst, MA

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

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, October, November and December (UV index 2).

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Average cloud cover in August
Amherst, MA

Average cloud cover in August - Amherst, MA
  • Average cloud cover in August: 33

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in August
Amherst, MA

Average visibility in August - Amherst, MA
  • Average visibility in August: 5mi

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).

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Amherst, Massachusetts, USA

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