August weather forecast
Foster, RI

englishespañol中文
Share

Weather in August

As August rolls in, residents enjoy the lingering summer warmth. Although a slight dip in temperature occurs with a high average of 79.7°F (26.5°C), it still feels unmistakably summery. Experiencing a downfall of 2.83" (72mm) of rainfall, the month guarantees its share of refreshing drizzles. The lush, green scenery bathed in sunshine is a lasting image of August. Come this month to enjoy the tail end of summer before fall sets in.

Temperature

Foster experiences a subtle adjustment in high-temperatures to a still warm 79.7°F (26.5°C) with the onset of August, maintaining near parity with July's 81.1°F (27.3°C). Foster's nights in August cool down to an average low-temperature of 61.9°F (16.6°C).

Humidity

In August, the average relative humidity in Foster, Rhode Island, is 78%.

Rainfall

In Foster, Rhode Island, during August, the rain falls for 16.6 days and regularly aggregates up to 2.83" (72mm) of precipitation. In Foster, during the entire year, the rain falls for 163 days and collects up to 33.86" (860mm) of precipitation.

Snowfall

In Foster, snow does not fall in June through October.

Daylight

In Foster, the average length of the day in August is 13h and 49min.
On the first day of the month, sunrise is at 5:41 am and sunset at 8:05 pm. On the last day of August, in Foster, Rhode Island, sunrise is at 6:12 am and sunset at 7:21 pm EDT.

Sunshine

The months with the most sunshine in Foster are July and August, with an average of 10.2h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Foster. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: A maximum UV index of 6 in August translates into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
[Resources]

Frequently asked questions

What are the temperatures in Foster in August?

The high-temperature, in August, in Foster, is 79.7°F (26.5°C), while the low-temperature averages to 61.9°F (16.6°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in July is calculated to be 86°F (30°C).

What is the average humidity in August in Foster?

The average relative humidity in August in Foster, Rhode Island, is 78%.

How many days does it rain in August in Foster?

In Foster, during August, the rain falls for 16.6 days and regularly aggregates up to 2.83" (72mm) of precipitation.

When it does not snow in Foster?

June through October are months without snowfall in Foster, Rhode Island.

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

In August, the average day length in Foster, Rhode Island, is 13h and 49min.

When is the sunrise / sunset in August in Foster?

On the first day of August in Foster, sunrise is at 5:41 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:21 pm EDT.

What are the months with the most sunshine in Foster?

The months with the most sunshine in Foster are July and August, with an average of 10.2h of sunshine.

How many hours of sunshine does Foster have in August?

The average sunshine duration in August in Foster is 10.2h.

When is the highest UV index in Foster?

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

What is the UV index intensity in August in Foster?

The average daily maximum UV index in August in Foster is 6. A UV Index reading of 6 to 7 represents 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
Foster, RI

Average temperature in August - Foster, RI
  • Average high temperature in August: 79.7°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in August: 61.9°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

[Resources]

Average pressure in August
Foster, RI

Average pressure in August - Foster, RI
  • 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 (29.93"Hg).

[Resources]

Average wind speed in August
Foster, RI

Average wind speed in August - Foster, RI
  • Average wind speed in August: 5.9mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

[Resources]

Average humidity in August
Foster, RI

Average humidity in August - Foster, RI
  • Average humidity in August: 78%

The months with the highest relative humidity are February, June, July, September and October (79%).
The month with the lowest relative humidity is April (73%).

[Resources]

Average rainfall in August
Foster, RI

Average rainfall in August - Foster, RI
  • Average rainfall in August: 2.83"

The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.81").

[Resources]

Average rainfall days in August
Foster, RI

Average rainfall days in August - Foster, RI
  • Average rainfall days in August: 16.6 days

The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is January (8.3 days).

[Resources]

Average snowfall in August
Foster, RI

Average snowfall in August - Foster, RI
  • Average snowfall in August: 0"

The month with the highest snowfall is March (3.7").
The months with the least snowfall are June, July, August, September and October (0").

[Resources]

Average snowfall days in August
Foster, RI

Average snowfall days in August - Foster, RI
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

[Resources]

Average daylight in August /
Average sunshine in August
Foster, RI

Average daylight in August / Average sunshine in August - Foster, RI
  • 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 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

[Resources]

Average sunshine days in August
Foster, RI

Average sunshine days in August - Foster, RI
  • Average sunshine days in August: 11.8 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (10.6 days).

[Resources]

Average UV index in August
Foster, RI

Average UV index in August - Foster, RI
  • 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).

[Resources]

Average cloud cover in August
Foster, RI

Average cloud cover in August - Foster, RI
  • Average cloud cover in August: 34

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).

[Resources]

Average visibility in August
Foster, RI

Average visibility in August - Foster, RI
  • Average visibility in August: 5mi

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

[Resources]

Foster, Rhode Island, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location