August weather forecast
Bonne Terre, MO

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Weather in August

August, the last month of the summer in Bonne Terre, is also a hot month, with an average temperature fluctuating between 86.7°F (30.4°C) and 65.7°F (18.7°C).

Temperature

The average high-temperature during August is a still hot 86.7°F (30.4°C), almost matching the conditions of the preceding month. Bonne Terre's temperature lowers to a mean of 65.7°F (18.7°C) during the nights in August.

Heat index

For most parts of August, the heat index is estimated at a sweltering 98.6°F (37°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Records show heat index calculations are tailored for shaded regions and mild winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

The average relative humidity in August is 75%.

Rainfall

In August, the rain falls for 15.3 days. Throughout August, 3.11" (79mm) of precipitation is accumulated. In Bonne Terre, during the entire year, the rain falls for 150.7 days and collects up to 32.13" (816mm) of precipitation.

Snowfall

In Bonne Terre, Missouri, snow does not fall in April through October.

Daylight

In August, the average length of the day is 13h and 35min.
On the first day of the month, sunrise is at 6:06 am and sunset at 8:10 pm. On the last day of August, sunrise is at 6:31 am and sunset at 7:32 pm CDT.

Sunshine

In August, the average sunshine is 10h.

UV index

May 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 threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 6 during August translates into the following directions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

The average high-temperature, in August, in Bonne Terre, is 86.7°F (30.4°C), while the average low-temperature is 65.7°F (18.7°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is estimated at 98.6°F (37°C).

What is the average humidity in August?

The average relative humidity in August is 75%.

How much does it rain in Bonne Terre in August?

In August, the rain falls for 15.3 days. Throughout August, 3.11" (79mm) of precipitation is accumulated.

When it does not snow in Bonne Terre?

April through October are months without snowfall.

What is the average length of the day in August?

In Bonne Terre, the average day length in August is 13h and 35min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:06 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:32 pm CDT.

How many hours of sunshine does Bonne Terre have in August?

In August, the average sunshine duration is 10h.

When is the highest UV index in Bonne Terre?

The months with the highest UV index in Bonne Terre are May through August, with an average maximum UV index of 6.

What is the UV index reading in August?

In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Bonne Terre, MO

Average temperature in August - Bonne Terre, MO
  • Average high temperature in August: 86.7°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in August: 65.7°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in August
Bonne Terre, MO

Average pressure in August - Bonne Terre, MO
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Bonne Terre, MO

Average wind speed in August - Bonne Terre, MO
  • Average wind speed in August: 5.2mph

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in August
Bonne Terre, MO

Average humidity in August - Bonne Terre, MO
  • Average humidity in August: 75%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (73%).

Average rainfall in August
Bonne Terre, MO

Average rainfall in August - Bonne Terre, MO
  • Average rainfall in August: 3.11"

The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in August
Bonne Terre, MO

Average rainfall days in August - Bonne Terre, MO
  • Average rainfall days in August: 15.3 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is December (7.7 days).

Average snowfall in August
Bonne Terre, MO

Average snowfall in August - Bonne Terre, MO
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.72").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Bonne Terre, MO

Average snowfall days in August - Bonne Terre, MO
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (7 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
Bonne Terre, MO

Average daylight in August / Average sunshine in August - Bonne Terre, MO
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in August: 10h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 42min).

Average sunshine days in August
Bonne Terre, MO

Average sunshine days in August - Bonne Terre, MO
  • Average sunshine days in August: 13.1 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in August
Bonne Terre, MO

Average UV index in August - Bonne Terre, MO
  • Average UV index in August: 6

The months with the highest UV index are May, 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
Bonne Terre, MO

Average cloud cover in August - Bonne Terre, MO
  • Average cloud cover in August: 31

The months with the most cloud cover are January and February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in August
Bonne Terre, MO

Average visibility in August - Bonne Terre, MO
  • Average visibility in August: 5mi

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

Bonne Terre, Missouri, USA

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