August weather forecast
Dover, MA

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Weather in August

August, the last month of the summer in Dover, is also a moderately hot month, with an average temperature ranging between min 62.6°F (17°C) and max 81°F (27.2°C).

Temperature

August denotes a minimal variation in the average high-temperature to a still warm 81°F (27.2°C) from July's 82°F (27.8°C). In the month of August, Dover records a consistent average low-temperature of 62.6°F (17°C).

Heat index

The heat index in August is estimated at a tropical 86°F (30°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Keep in mind the heat index values are meant for areas in shade and with light wind. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

In August, the average relative humidity is 75%.

Rainfall

In Dover, in August, during 13.5 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, in Dover, Massachusetts, there are 149 rainfall days, and 27.68" (703mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day in Dover is 13h and 50min.
On the first day of the month, sunrise is at 5:38 am and sunset at 8:04 pm. On the last day of August, sunrise is at 6:10 am and sunset at 7:20 pm EDT.

Sunshine

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

UV index

The months with the highest UV index in Dover are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

What is the temperature in August in Dover?

In Dover, 81°F (27.2°C) is the average high-temperature and 62.6°F (17°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 86°F (30°C).

What is the average humidity in August in Dover?

The average relative humidity in August is 75%.

How many days does it rain in August in Dover?

In Dover, Massachusetts, in August, it is raining for 13.5 days, with typically 1.85" (47mm) of accumulated precipitation.

When it does not snow in Dover?

In Dover, Massachusetts, snow does not fall in June through September.

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

The average day length in August in Dover is 13h and 50min.

When is the sunrise / sunset in August in Dover?

In August, on the first day of the month, sunrise is at 5:38 am and sunset at 8:04 pm. On the last day of the month, in Dover, sunrise is at 6:10 am and sunset at 7:20 pm EDT.

What month has the most sunshine in Dover?

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

How many hours of sunshine does Dover have in August?

In August, the average sunshine duration in Dover is 10.4h.

When is the highest UV index in Dover?

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

What is the UV index reading in August in Dover?

In Dover, Massachusetts, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from 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
Dover, MA

Average temperature in August - Dover, MA
  • Average high temperature in August: 81°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in August: 62.6°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

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Average pressure in August
Dover, MA

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

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Dover, MA

Average wind speed in August - Dover, MA
  • Average wind speed in August: 5.8mph

The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in August
Dover, MA

Average humidity in August - Dover, MA
  • Average humidity in August: 75%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in August
Dover, MA

Average rainfall in August - Dover, MA
  • Average rainfall in August: 1.85"

The wettest months (with the highest rainfall) are March, April and December (2.87").
The driest month (with the least rainfall) is September (1.22").

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Average rainfall days in August
Dover, MA

Average rainfall days in August - Dover, MA
  • Average rainfall days in August: 13.5 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall in August
Dover, MA

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

The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Dover, MA

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

The month with the highest number of snowfall days is March (7.8 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
Dover, MA

Average daylight in August / Average sunshine in August - Dover, 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 12min).

  • Average sunshine in August: 10h and 2min

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 48min).

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Average sunshine days in August
Dover, MA

Average sunshine days in August - Dover, MA
  • Average sunshine days in August: 15.9 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is April (12.8 days).

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Average UV index in August
Dover, MA

Average UV index in August - Dover, 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, November and December (UV index 2).

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Average cloud cover in August
Dover, MA

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

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in August
Dover, MA

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

The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (6mi).
The month with the lowest visibility is September (5mi).

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Dover, Massachusetts, USA

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