August weather forecast
Grassy, MO

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Weather in August

August, the last month of the summer in Grassy, is also a hot month, with an average temperature fluctuating between 66.6°F (19.2°C) and 86.5°F (30.3°C).

Temperature

An average high-temperature of a still hot 86.5°F (30.3°C) marks August, exhibiting a close resemblance to the conditions in July. Grassy experiences a steady low-temperature of 66.6°F (19.2°C) throughout August.

Heat index

The average heat index in August is computed to be a torrid 98.6°F (37°C). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gauges the sensation of temperature factoring in the air's moisture content. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

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

Rainfall

In Grassy, in August, it is raining for 14.4 days, with typically 2.99" (76mm) of accumulated precipitation. In Grassy, during the entire year, the rain falls for 156.4 days and collects up to 35.47" (901mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In August, the average length of the day in Grassy is 13h and 33min.
On the first day of the month, sunrise is at 6:05 am and sunset at 8:07 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:30 pm CDT.

Sunshine

The average sunshine in August is 10.3h.

UV index

The months with the highest UV index in Grassy are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 6 in August translates into the following instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August in Grassy?

The high-temperature, in August, in Grassy, records 86.5°F (30.3°C), while the low-temperature is 66.6°F (19.2°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 98.6°F (37°C).

What is the average humidity in August in Grassy?

In August, the average relative humidity is 76%.

How many days does it rain in August in Grassy?

In Grassy, in August, during 14.4 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

When it does not snow in Grassy?

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

How many hours of daylight does Grassy have in August?

The average day length in August in Grassy, Missouri, is 13h and 33min.

When are sunrise and sunset in August in Grassy?

On the first day of August, sunrise is at 6:05 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:30 pm CDT.

How many hours of sunshine does Grassy have in August?

In Grassy, the average sunshine duration in August is 10.3h.

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

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

How high is the UV index in August in Grassy?

In August, the average daily maximum UV index in Grassy, Missouri, is 6. A UV Index reading of 6 to 7 represents 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
Grassy, MO

Average temperature in August - Grassy, MO
  • Average high temperature in August: 86.5°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in August: 66.6°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in August
Grassy, MO

Average pressure in August - Grassy, 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
Grassy, MO

Average wind speed in August - Grassy, MO
  • Average wind speed in August: 5.5mph

The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in August
Grassy, MO

Average humidity in August - Grassy, 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 (70%).

Average rainfall in August
Grassy, MO

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

The wettest month (with the highest rainfall) is April (4.37").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in August
Grassy, MO

Average rainfall days in August - Grassy, MO
  • Average rainfall days in August: 14.4 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is November (9.7 days).

Average snowfall in August
Grassy, MO

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

The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Grassy, MO

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

The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Grassy, MO

Average daylight in August / Average sunshine in August - Grassy, MO
  • Average daylight in August: 13h and 3min

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 2min

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

Average sunshine days in August
Grassy, MO

Average sunshine days in August - Grassy, MO
  • Average sunshine days in August: 14.8 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in August
Grassy, MO

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

Average cloud cover in August
Grassy, MO

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

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in August
Grassy, MO

Average visibility in August - Grassy, 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).

Grassy, Missouri, USA

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