August weather forecast
Boston, IN

Weather in August

The last month of the summer, August, is another warm month in Boston, Indiana, with an average temperature fluctuating between 79.3°F (26.3°C) and 62.1°F (16.7°C).

Temperature

In August, the average high-temperature is essentially the same as in July - a still warm 79.3°F (26.3°C). In August, the average low-temperature is 62.1°F (16.7°C).

Humidity

The average relative humidity in August in Boston, Indiana, is 82%.

Rainfall

In August, in Boston, the rain falls for 14.5 days. Throughout August, 2.01" (51mm) of precipitation is accumulated. Throughout the year, in Boston, there are 154.1 rainfall days, and 23.74" (603mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Boston.

Daylight

In August, the average length of the day is 13h and 41min.
On the first day of August in Boston, Indiana, sunrise is at 6:38 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 8:12 pm EDT.

Sunshine

The average sunshine in August in Boston is 9.8h.

UV index

The months with the highest UV index in Boston are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in August interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in August in Boston?

In Boston, the average relative humidity in August is 82%.

How much does it rain in Boston in August?

In Boston, Indiana, during August, the rain falls for 14.5 days and regularly aggregates up to 2.01" (51mm) of precipitation.

When it does not snow in Boston?

In Boston, snow does not fall in May through September.

How many hours of daylight does Boston have in August?

The average day length in August is 13h and 41min.

When is the sunrise / sunset in August in Boston?

In August, on the first day of the month, sunrise is at 6:38 am and sunset at 8:52 pm. On the last day of the month, in Boston, Indiana, sunrise is at 7:06 am and sunset at 8:12 pm EDT.

How long on average sun shines in August in Boston?

In Boston, the average sunshine duration in August is 9.8h.

When is the highest UV index in Boston?

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

What is the UV index reading in August in Boston?

In August, the average daily maximum UV index in Boston, Indiana, is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.

Average temperature in August
Boston, IN

Average temperature in August - Boston, IN
  • Average high temperature in August: 79.3°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in August: 62.1°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

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Average pressure in August
Boston, IN

Average pressure in August - Boston, IN
  • Average pressure in August: 29.98"Hg

The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Boston, IN

Average wind speed in August - Boston, IN
  • Average wind speed in August: 5.8mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in August
Boston, IN

Average humidity in August - Boston, IN
  • Average humidity in August: 82%

The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in August
Boston, IN

Average rainfall in August - Boston, IN
  • Average rainfall in August: 2.01"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is November (1.5").

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Average rainfall days in August
Boston, IN

Average rainfall days in August - Boston, IN
  • Average rainfall days in August: 14.5 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (7.4 days).

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Average snowfall in August
Boston, IN

Average snowfall in August - Boston, IN
  • Average snowfall in August: 0"

The month with the highest snowfall is December (2.28").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Boston, IN

Average snowfall days in August - Boston, IN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Boston, IN

Average daylight in August / Average sunshine in August - Boston, IN
  • Average daylight in August: 13h and 41min

The month with the longest days is June (Average daylight: 14h and 56min).
The month with the shortest days is December (Average daylight: 9h and 25min).

  • Average sunshine in August: 9.8h

The months with the most sunshine are June and July (Average sunshine: 10.1h).
The month with the least sunshine is January (Average sunshine: 3.7h).

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Average sunshine days in August
Boston, IN

Average sunshine days in August - Boston, IN
  • Average sunshine days in August: 13 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (9.8 days).

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Average UV index in August
Boston, IN

Average UV index in August - Boston, IN
  • 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, October, November and December (UV index 2).

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Average cloud cover in August
Boston, IN

Average cloud cover in August - Boston, IN
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in August
Boston, IN

Average visibility in August - Boston, IN
  • 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).

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