August weather forecast
Foster, IN

Share

Weather in August

August, the last month of the summer in Foster, is also a moderately hot month, with an average temperature fluctuating between 80.6°F (27°C) and 63.3°F (17.4°C).

Temperature

Foster records an average high-temperature of a still warm 80.6°F (27°C) in August, maintaining a close correlation with July's 81.3°F (27.4°C). During August nights, Foster records an average temperature of 63.3°F (17.4°C).

Heat index

August's average heat index is estimated at a hot 86°F (30°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

In Foster, the average relative humidity in August is 83%.

Rainfall

In Foster, in August, during 14.6 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Foster, during the entire year, the rain falls for 151.8 days and collects up to 25.63" (651mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in August in Foster is 13h and 43min.
On the first day of the month, sunrise is at 6:48 am and sunset at 9:03 pm. On the last day of August, sunrise is at 7:17 am and sunset at 8:22 pm EDT.

Sunshine

In Foster, Indiana, the average sunshine in August is 9.9h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In August, the maximum UV index of 6 suggests this advice:
Resist overexposure. Safeguarding from solar damage is indispensable. 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. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature in Foster?

In August, the average high-temperature and low-temperature in Foster are 80.6°F (27°C) and 63.3°F (17.4°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 86°F (30°C).

What is the average humidity in August in Foster?

In August, the average relative humidity in Foster, Indiana, is 83%.

How many days does it rain in August in Foster?

In August, in Foster, Indiana, the rain falls for 14.6 days. Throughout August, 2.24" (57mm) of precipitation is accumulated.

When it does not snow in Foster?

May through October are months without snowfall in Foster.

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

The average day length in August is 13h and 43min.

When is the sunrise / sunset in August in Foster?

In August, on the first day of the month, sunrise is at 6:48 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 8:22 pm EDT.

How many hours of sunshine does Foster have in August?

In August, the average sunshine duration in Foster is 9.9h.

What is the month with the highest UV index in Foster?

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

How high is the UV index in August in Foster?

In August, the average daily maximum UV index in Foster is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Foster, IN

Average temperature in August - Foster, IN
  • Average high temperature in August: 80.6°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in August: 63.3°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure in August
Foster, IN

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Foster, IN

Average wind speed in August - Foster, IN
  • Average wind speed in August: 6.2mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in August
Foster, IN

Average humidity in August - Foster, IN
  • Average humidity in August: 83%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in August
Foster, IN

Average rainfall in August - Foster, IN
  • Average rainfall in August: 2.24"

The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").

Average rainfall days in August
Foster, IN

Average rainfall days in August - Foster, IN
  • Average rainfall days in August: 14.6 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).

Average snowfall in August
Foster, IN

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

The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Foster, IN

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

The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Foster, IN
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in August
Foster, IN

Average sunshine days in August - Foster, IN
  • Average sunshine days in August: 11.9 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in August
Foster, IN

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

Average cloud cover in August
Foster, IN

Average cloud cover in August - Foster, IN
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).

Average visibility in August
Foster, IN

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

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

Foster, Indiana, USA

Weather forecast for your location

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