August weather forecast
Hillsboro, MO

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Weather in August

The last month of the summer, August, is another tropical month in Hillsboro, Missouri, with an average temperature fluctuating between 86.2°F (30.1°C) and 66.7°F (19.3°C).

Temperature

Hillsboro's average high-temperature in August is a still hot 86.2°F (30.1°C), marking an insignificant difference from the 87.8°F (31°C) of July. Nighttime temperatures in August average to a comfortable 66.7°F (19.3°C) in Hillsboro.

Heat index

The average heat index in August is appraised at a torrid 98.6°F (37°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

In August, the average relative humidity is 75%.

Rainfall

In Hillsboro, in August, it is raining for 13.8 days, with typically 2.99" (76mm) of accumulated precipitation. In Hillsboro, during the entire year, the rain falls for 142.9 days and collects up to 28.5" (724mm) of precipitation.

Snowfall

In Hillsboro, snow does not fall in April through October.

Daylight

The average length of the day in August is 13h and 36min.
On the first day of August, sunrise is at 6:05 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:33 pm CDT.

Sunshine

The average sunshine in August is 10.2h.

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: In August, a daily UV index of 6 turns into the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

How hot is it in Hillsboro in August?

The high-temperature, in August, in Hillsboro, records 86.2°F (30.1°C), while the low-temperature is 66.7°F (19.3°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 98.6°F (37°C).

What is the average humidity in August in Hillsboro?

In Hillsboro, Missouri, the average relative humidity in August is 75%.

How many days does it rain in August in Hillsboro?

In Hillsboro, Missouri, in August, it is raining for 13.8 days, with typically 2.99" (76mm) of accumulated precipitation.

When it does not snow in Hillsboro?

April through October are months without snowfall.

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

In Hillsboro, the average day length in August is 13h and 36min.

When are sunrise and sunset in August in Hillsboro?

In August, on the first day of the month, sunrise is at 6:05 am and sunset at 8:11 pm. On the last day of the month, in Hillsboro, sunrise is at 6:31 am and sunset at 7:33 pm CDT.

How many hours of sunshine does Hillsboro have in August?

In August, the average sunshine duration in Hillsboro is 10.2h.

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

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

What is the UV index reading in August in Hillsboro?

In Hillsboro, Missouri, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Hillsboro, MO

Average temperature in August - Hillsboro, MO
  • Average high temperature in August: 86.2°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in August: 66.7°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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Average pressure in August
Hillsboro, MO

Average pressure in August - Hillsboro, MO
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in August
Hillsboro, MO

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

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in August
Hillsboro, MO

Average humidity in August - Hillsboro, MO
  • Average humidity in August: 75%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in August
Hillsboro, MO

Average rainfall in August - Hillsboro, MO
  • Average rainfall in August: 2.99"

The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is February (1.5").

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Average rainfall days in August
Hillsboro, MO

Average rainfall days in August - Hillsboro, MO
  • Average rainfall days in August: 13.8 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (7 days).

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Average snowfall in August
Hillsboro, MO

Average snowfall in August - Hillsboro, MO
  • Average snowfall in August: 0"

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

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Average snowfall days in August
Hillsboro, MO

Average snowfall days in August - Hillsboro, MO
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (7.1 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
Hillsboro, MO

Average daylight in August / Average sunshine in August - Hillsboro, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in August
Hillsboro, MO

Average sunshine days in August - Hillsboro, MO
  • Average sunshine days in August: 14.3 days

The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is July (11.4 days).

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Average UV index in August
Hillsboro, MO

Average UV index in August - Hillsboro, MO
  • 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).

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Average cloud cover in August
Hillsboro, MO

Average cloud cover in August - Hillsboro, MO
  • Average cloud cover in August: 28

The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 28).

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Average visibility in August
Hillsboro, MO

Average visibility in August - Hillsboro, MO
  • 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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Hillsboro, Missouri, USA

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