August weather forecast
Dover, MA

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Weather in August

The last month of the summer, August, is another warm month in Dover, Massachusetts, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 81°F (27.2°C).

Temperature

Shifting into August, Dover records an average high-temperature of a still warm 81°F (27.2°C), presenting minor fluctuations compared to the previous month. During August, Dover sees a mean low-temperature of 62.6°F (17°C).

Heat index

In August, the heat index is calculated to be a tropical 86°F (30°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

In August, the average relative humidity is 75%.

Rainfall

In August, the rain falls for 13.5 days. Throughout August, 1.85" (47mm) of precipitation is accumulated. In Dover, during the entire year, the rain falls for 149 days and collects up to 27.68" (703mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in August 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

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

UV index

The months with the highest UV index 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 exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 6 during August translates into these guidelines:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

What is the usual temperature for Dover in August?

The high-temperature, in August, in Dover, records 81°F (27.2°C), while the low-temperature is 62.6°F (17°C). The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 86°F (30°C).

What is the average humidity in August in Dover?

In August, the average relative humidity is 75%.

How much does it rain in Dover in August?

In Dover, during August, the rain falls for 13.5 days and regularly aggregates up to 1.85" (47mm) of precipitation.

When it does not snow in Dover?

June through September are months without snowfall in Dover.

What is the average length of the day in August?

In August, the average day length is 13h and 50min.

When is the sunrise / sunset in August?

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

What month has the most sunshine?

The month with the most sunshine is August, with an average of 10.4h of sunshine.

How long on average sun shines in August?

The average sunshine duration in August is 10.4h.

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

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

What is the UV index reading in August?

In Dover, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Dover, Massachusetts, USA

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