August weather forecast
Lewistown, MO

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Weather in August

August, the last month of the summer in Lewistown, is another warm month, with an average temperature varying between 83.3°F (28.5°C) and 64.4°F (18°C).

Temperature

In August, the average high-temperature registers at a still warm 83.3°F (28.5°C), nearly identical to July's 84.2°F (29°C). Lewistown in August experiences a low-temperature average of 64.4°F (18°C).

Heat index

The heat index in August is evaluated at a hot 91.4°F (33°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

In August, the average relative humidity in Lewistown is 78%.

Rainfall

In Lewistown, in August, during 12.8 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Lewistown, Missouri, during the entire year, the rain falls for 130.9 days and collects up to 26.3" (668mm) of precipitation.

Snowfall

In Lewistown, snow does not fall in May through September.

Daylight

In Lewistown, the average length of the day in August is 13h and 43min.
On the first day of the month, sunrise is at 6:06 am and sunset at 8:20 pm. On the last day of August, sunrise is at 6:34 am and sunset at 7:39 pm CDT.

Sunshine

In August, the average sunshine is 9.9h.

UV index

The months with the highest UV index in Lewistown, Missouri, are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In August, the maximum UV index of 6 transforms into these recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide 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 August in Lewistown?

In August, the average high-temperature and low-temperature in Lewistown are 83.3°F (28.5°C) and 64.4°F (18°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in August is evaluated at 91.4°F (33°C).

What is the average humidity in August in Lewistown?

In August, the average relative humidity in Lewistown is 78%.

How many days does it rain in August in Lewistown?

In Lewistown, in August, during 12.8 rainfall days, 2.6" (66mm) of precipitation is typically accumulated.

When it does not snow in Lewistown?

In Lewistown, Missouri, snow does not fall in May through September.

How many hours of daylight does Lewistown have in August?

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

When are sunrise and sunset in August in Lewistown?

On the first day of August in Lewistown, sunrise is at 6:06 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.

How long on average sun shines in August in Lewistown?

The average sunshine duration in August is 9.9h.

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

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

What is the UV index intensity in August in Lewistown?

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

Average temperature in August - Lewistown, MO
  • Average high temperature in August: 83.3°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in August: 64.4°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in August
Lewistown, MO

Average pressure in August - Lewistown, 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 (29.9"Hg).

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Average wind speed in August
Lewistown, MO

Average wind speed in August - Lewistown, MO
  • Average wind speed in August: 6.7mph

The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

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Average humidity in August
Lewistown, MO

Average humidity in August - Lewistown, MO
  • Average humidity in August: 78%

The months with the highest relative humidity are May, June and July (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Lewistown, MO

Average rainfall in August - Lewistown, MO
  • Average rainfall in August: 2.6"

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is January (1.1").

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Average rainfall days in August
Lewistown, MO

Average rainfall days in August - Lewistown, MO
  • Average rainfall days in August: 12.8 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (4.7 days).

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Average snowfall in August
Lewistown, MO

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

The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Lewistown, MO

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

The month with the highest number of snowfall days is January (6.8 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
Lewistown, MO

Average daylight in August / Average sunshine in August - Lewistown, 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: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

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Average sunshine days in August
Lewistown, MO

Average sunshine days in August - Lewistown, MO
  • Average sunshine days in August: 16.6 days

The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is June (12 days).

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Average UV index in August
Lewistown, MO

Average UV index in August - Lewistown, 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
Lewistown, MO

Average cloud cover in August - Lewistown, MO
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in August
Lewistown, MO

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

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