August weather forecast
Monticello, MO

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Weather in August

The last month of the summer, August, is also a moderately hot month in Monticello, Missouri, with an average temperature fluctuating between 83.7°F (28.7°C) and 64.9°F (18.3°C).

Temperature

Transitioning from July to August, Monticello observes an average high-temperature of a still moderately hot 83.7°F (28.7°C), differing subtly from the previous month. Throughout August, the temperature tends to fall to a consistent average low of 64.9°F (18.3°C).

Heat index

The heat index value for August is evaluated at a hot 91.4°F (33°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.

Humidity

The average relative humidity in August in Monticello is 77%.

Rainfall

In Monticello, Missouri, in August, it is raining for 12.9 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, in Monticello, there are 137.5 rainfall days, and 27.68" (703mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Monticello.

Daylight

In August, the average length of the day in Monticello is 13h and 43min.
On the first day of August, sunrise is at 6:05 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:39 pm CDT.

Sunshine

The average sunshine in August is 10.1h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 6 during August leads to these advisories:
Ward off overexposure. Defence against solar harm is crucial. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

How hot does it get in Monticello in August?

The high-temperature, in August, in Monticello, records 83.7°F (28.7°C), while the low-temperature is 64.9°F (18.3°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 91.4°F (33°C).

What is the average humidity in August in Monticello?

In August, the average relative humidity is 77%.

How many days does it rain in August in Monticello?

In Monticello, in August, during 12.9 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

When it does not snow in Monticello?

May through September are months without snowfall in Monticello.

How many hours of daylight does Monticello have in August?

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

When are sunrise and sunset in August in Monticello?

In August, on the first day of the month, sunrise is at 6:05 am and sunset at 8:20 pm. On the last day of the month, in Monticello, sunrise is at 6:34 am and sunset at 7:39 pm CDT.

How long on average sun shines in August in Monticello?

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

When is the highest UV index in Monticello?

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

How high is the UV index in August in Monticello?

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Monticello, MO

Average temperature in August - Monticello, MO
  • Average high temperature in August: 83.7°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in August: 64.9°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure in August
Monticello, MO

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in August
Monticello, MO

Average wind speed in August - Monticello, MO
  • Average wind speed in August: 6.6mph

The windiest months (with the highest average wind speed) are January and February (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity in August
Monticello, MO

Average humidity in August - Monticello, MO
  • Average humidity in August: 77%

The months with the highest relative humidity are May, June and July (80%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in August
Monticello, MO

Average rainfall in August - Monticello, MO
  • Average rainfall in August: 2.32"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is January (1.26").

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Average rainfall days in August
Monticello, MO

Average rainfall days in August - Monticello, MO
  • Average rainfall days in August: 12.9 days

The months with the highest number of rainy days are May and June (17.3 days).
The month with the least rainy days is January (5.3 days).

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Average snowfall in August
Monticello, MO

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

The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Monticello, MO

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

The month with the highest number of snowfall days is January (9.3 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
Monticello, MO

Average daylight in August / Average sunshine in August - Monticello, MO
  • 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: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in August
Monticello, MO

Average sunshine days in August - Monticello, MO
  • Average sunshine days in August: 15.2 days

The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is June (10.1 days).

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Average UV index in August
Monticello, MO

Average UV index in August - Monticello, 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
Monticello, MO

Average cloud cover in August - Monticello, MO
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in August
Monticello, MO

Average visibility in August - Monticello, 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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Monticello, Missouri, USA

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