August weather forecast
Lamar, MO

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Weather in August

August, the last month of the summer in Lamar, is also a hot month, with an average temperature ranging between max 86.4°F (30.2°C) and min 67.3°F (19.6°C).

Temperature

As August takes its course, Lamar's average high-temperature registers at a still hot 86.4°F (30.2°C), closely aligning with the preceding month. Lamar, in August, observes a steady average low-temperature of 67.3°F (19.6°C).

Heat index

The heat index in August is estimated at a very hot 98.6°F (37°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

In August, the average relative humidity is 74%.

Rainfall

In Lamar, in August, it is raining for 14.7 days, with typically 2.99" (76mm) of accumulated precipitation. In Lamar, during the entire year, the rain falls for 142.8 days and collects up to 32.76" (832mm) of precipitation.

Snowfall

In Lamar, snow does not fall in June through October.

Daylight

In August, the average length of the day is 13h and 34min.
On the first day of the month, sunrise is at 6:21 am and sunset at 8:24 pm. On the last day of August, sunrise is at 6:47 am and sunset at 7:47 pm CDT.

Sunshine

In August, the average sunshine is 10.2h.

UV index

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 6 in August interprets into the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

The average high-temperature, in August, in Lamar, is 86.4°F (30.2°C), while the average low-temperature is 67.3°F (19.6°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 98.6°F (37°C).

What is the average humidity in August?

The average relative humidity in August is 74%.

How much does it rain in Lamar in August?

In Lamar, during August, the rain falls for 14.7 days and regularly aggregates up to 2.99" (76mm) of precipitation.

When it does not snow in Lamar?

June through October are months without snowfall.

How many hours of daylight does Lamar have in August?

The average day length in August is 13h and 34min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:21 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:47 pm CDT.

How long on average sun shines in August?

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

What is the UV index reading in August?

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

Average temperature in August - Lamar, MO
  • Average high temperature in August: 86.4°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (41.4°F).

  • Average low temperature in August: 67.3°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in August
Lamar, MO

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

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in August
Lamar, MO

Average wind speed in August - Lamar, MO
  • Average wind speed in August: 7.1mph

The windiest month (with the highest average wind speed) is March (10.8mph).
The calmest month (with the lowest average wind speed) is July (7mph).

Average humidity in August
Lamar, MO

Average humidity in August - Lamar, MO
  • Average humidity in August: 74%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
Lamar, MO

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

The wettest month (with the highest rainfall) is May (5.79").
The driest months (with the least rainfall) are January and December (1.5").

Average rainfall days in August
Lamar, MO

Average rainfall days in August - Lamar, MO
  • Average rainfall days in August: 14.7 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in August
Lamar, MO

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

The month with the highest snowfall is February (2.24").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
Lamar, MO

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

The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Lamar, 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 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

Average sunshine days in August
Lamar, MO

Average sunshine days in August - Lamar, MO
  • Average sunshine days in August: 14.5 days

The month with the most sunshine days is December (20.8 days).
The month with the least sunshine days is May (11.7 days).

Average UV index in August
Lamar, MO

Average UV index in August - Lamar, MO
  • Average UV index in August: 6

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in August
Lamar, MO

Average cloud cover in August - Lamar, MO
  • Average cloud cover in August: 27

The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are June and July (Cloud cover 26).

Average visibility in August
Lamar, MO

Average visibility in August - Lamar, 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).

Lamar, Missouri, USA

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