August weather forecast
Caledonia, MO

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Weather in August

August, the last month of the summer in Caledonia, is also a hot month, with temperature in the range of an average low of 65.7°F (18.7°C) and an average high of 86.7°F (30.4°C).

Temperature

Caledonia, Missouri, records an average high-temperature of a still hot 86.7°F (30.4°C) in August, maintaining a close correlation with July's 88°F (31.1°C). During the month of August, an average temperature of 65.7°F (18.7°C) is noted during the nights.

Heat index

Throughout August, the heat index is evaluated at a fiery hot 100.4°F (38°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Caledonia, the average relative humidity in August is 76%.

Rainfall

In Caledonia, during August, the rain falls for 15.8 days and regularly aggregates up to 3.07" (78mm) of precipitation. Throughout the year, in Caledonia, there are 154.7 rainfall days, and 32.64" (829mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Caledonia, the average length of the day in August is 13h and 35min.
On the first day of August in Caledonia, sunrise is at 6:07 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:33 pm CDT.

Sunshine

The average sunshine in August in Caledonia is 10.1h.

UV index

The months with the highest UV index in Caledonia are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 6 during August leads to these advisories:
Fend off overexposure. Sun protection is vital. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

How hot is August in Caledonia?

In Caledonia, in August, the average high-temperature is 86.7°F (30.4°C), and the average low-temperature is 65.7°F (18.7°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 100.4°F (38°C).

What is the average humidity in August in Caledonia?

The average relative humidity in August in Caledonia, Missouri, is 76%.

How many days does it rain in August in Caledonia?

In Caledonia, during August, the rain falls for 15.8 days and regularly aggregates up to 3.07" (78mm) of precipitation.

When it does not snow in Caledonia?

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

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

The average day length in August in Caledonia is 13h and 35min.

What time are sunrise and sunset in August in Caledonia?

On the first day of August in Caledonia, sunrise is at 6:07 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:33 pm CDT.

How many hours of sunshine does Caledonia have in August?

In Caledonia, Missouri, the average sunshine duration in August is 10.1h.

When is the highest UV index in Caledonia?

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

What is the UV index reading in August in Caledonia?

The average daily maximum UV index in August in Caledonia is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from 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
Caledonia, MO

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

The warmest month (with the highest average high temperature) is July (88°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 (67.3°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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Average pressure in August
Caledonia, MO

Average pressure in August - Caledonia, 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 (29.93"Hg).

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Average wind speed in August
Caledonia, MO

Average wind speed in August - Caledonia, MO
  • Average wind speed in August: 5mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in August
Caledonia, MO

Average humidity in August - Caledonia, MO
  • Average humidity in August: 76%

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

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Average rainfall in August
Caledonia, MO

Average rainfall in August - Caledonia, MO
  • Average rainfall in August: 3.07"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in August
Caledonia, MO

Average rainfall days in August - Caledonia, MO
  • Average rainfall days in August: 15.8 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is December (7.9 days).

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Average snowfall in August
Caledonia, MO

Average snowfall in August - Caledonia, 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").

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Average snowfall days in August
Caledonia, MO

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

The month with the highest number of snowfall days is February (6.5 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
Caledonia, MO

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

The month with the longest days is June (Average daylight: 14h and 42min).
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 June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).

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Average sunshine days in August
Caledonia, MO

Average sunshine days in August - Caledonia, MO
  • Average sunshine days in August: 12.6 days

The months with the most sunshine days are November and December (18.9 days).
The month with the least sunshine days is July (10.9 days).

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Average UV index in August
Caledonia, MO

Average UV index in August - Caledonia, 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).

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Average cloud cover in August
Caledonia, MO

Average cloud cover in August - Caledonia, MO
  • Average cloud cover in August: 31

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

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Average visibility in August
Caledonia, MO

Average visibility in August - Caledonia, 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).

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Caledonia, Missouri, USA

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