August weather forecast
Princeton, MO

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Weather in August

August, the last month of the summer in Princeton, is another warm month, with temperature in the range of an average high of 82.9°F (28.3°C) and an average low of 64°F (17.8°C).

Temperature

Princeton, Missouri, marks the arrival of August with an average high-temperature of a still warm 82.9°F (28.3°C), hardly different from July's 84.4°F (29.1°C). An average low-temperature of 64°F (17.8°C) is noted in Princeton during the month of August.

Heat index

The heat index for August is appraised at a tropical 91.4°F (33°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

The average relative humidity in August in Princeton is 79%.

Rainfall

In Princeton, Missouri, in August, it is raining for 12.9 days, with typically 2.28" (58mm) of accumulated precipitation. Throughout the year, there are 130.3 rainfall days, and 25.43" (646mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Princeton.

Daylight

In Princeton, Missouri, the average length of the day in August is 13h and 43min.
On the first day of the month, sunrise is at 6:12 am and sunset at 8:28 pm. On the last day of August, sunrise is at 6:41 am and sunset at 7:47 pm CDT.

Sunshine

In August, the average sunshine is 10.1h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Princeton. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 6 during August translates into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

How hot does it get in Princeton in August?

The average high-temperature, in August, in Princeton, is 82.9°F (28.3°C), while the average low-temperature is 64°F (17.8°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 91.4°F (33°C).

What is the average humidity in August in Princeton?

In August, the average relative humidity in Princeton is 79%.

How many days does it rain in August in Princeton?

In August, the rain falls for 12.9 days. Throughout August, 2.28" (58mm) of precipitation is accumulated.

When it does not snow in Princeton?

June through September are months without snowfall.

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

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

When is the sunrise / sunset in August in Princeton?

In August, on the first day of the month, sunrise is at 6:12 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 7:47 pm CDT.

How long on average sun shines in August in Princeton?

In August, the average sunshine duration is 10.1h.

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

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

What is the UV index reading in August in Princeton?

In Princeton, Missouri, the average daily maximum UV index in August 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
Princeton, MO

Average temperature in August - Princeton, MO
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in August: 64°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 (18.7°F).

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Average pressure in August
Princeton, MO

Average pressure in August - Princeton, MO
  • Average pressure in August: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in August
Princeton, MO

Average wind speed in August - Princeton, MO
  • Average wind speed in August: 6.5mph

The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

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Average humidity in August
Princeton, MO

Average humidity in August - Princeton, MO
  • Average humidity in August: 79%

The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Princeton, MO

Average rainfall in August - Princeton, MO
  • Average rainfall in August: 2.28"

The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is January (0.91").

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Average rainfall days in August
Princeton, MO

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

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (4.5 days).

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Average snowfall in August
Princeton, MO

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

The month with the highest snowfall is January (3.78").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Princeton, MO

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

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Princeton, 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 18min).

  • 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 36min).

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Average sunshine days in August
Princeton, MO

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

The month with the most sunshine days is November (20.7 days).
The months with the least sunshine days are May and June (11.2 days).

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Average UV index in August
Princeton, MO

Average UV index in August - Princeton, 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
Princeton, MO

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

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in August
Princeton, MO

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

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