August weather forecast and climate
Trenton, MO

The last month of the summer, August, is also a moderately hot month in Trenton, Missouri, with average temperature ranging between min 64°F (17.8°C) and max 82.9°F (28.3°C).

Temperature

In Trenton, the average high-temperature is practically the same as in July - a still warm 82.9°F (28.3°C). The average low-temperature, in August, is 64°F (17.8°C).

Heat index

In August, the average heat index is evaluated at a tropical 90.9°F (32.7°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'apparent temperature', or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, metabolic differences, wind), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Trenton, the average relative humidity is 79%.

Rainfall

In Trenton, during 12.8 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, in Trenton, Missouri, there are 131.5 rainfall days, and 26.85" (682mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13.7h.

Sunshine

The average sunshine in August is 10h.

UV index

Months with the highest UV index in Trenton are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to the UV radiation for the average person.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in August in Trenton?

In August, in Trenton, the average high-temperature is 82.9°F (28.3°C), and the average low-temperature is 64°F (17.8°C). The average heat index (a.k.a. 'real feel', 'feels like'), that combines relative humidity and air temperature, in August is calculated to 90.9°F (32.7°C).

What is the average humidity in August in Trenton?

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

How much does it rain in Trenton in August?

In Trenton, Missouri, during August, the rain falls for 12.8 days and regularly aggregates up to 2.48" (63mm) of precipitation.

When it does not snow in Trenton?

June through September are months without snowfall.

How many hours of daylight does Trenton have in August?

The average length of the day in August is 13.7h.

How many hours of sunshine does Trenton have in August?

The average sunshine in August in Trenton, Missouri, is 10h.

When is the highest UV index in Trenton?

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

What is the UV index intensity in August in Trenton?

In Trenton, 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 the UV radiation.
Average temperature in August - Trenton, MO
  • Average high temperature in August: 28.3°C

The warmest month (with the highest average high temperature) is July (29.2°C).
The month with the lowest average high temperature is January (0.6°C).

  • Average low temperature in August: 17.8°C

The month with the highest average low temperature is July (19.5°C).
The coldest month (with the lowest average low temperature) is January (-7.1°C).

Average pressure in August - Trenton, MO
  • Average pressure in August: 1014.7mbar

The month with the highest atmospheric pressure is January (1021.5mbar).
The month with the lowest atmospheric pressure is June (1012.2mbar).

Average wind speed in August - Trenton, MO
  • Average wind speed in August: 10.3km/h

The windiest month (with the highest average wind speed) is March (16.1km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).

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

The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August - Trenton, MO
  • Average rainfall in August: 63mm

The wettest month (with the highest rainfall) is June (99mm).
The driest month (with the least rainfall) is January (24mm).

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

The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (4.4 days).

Average snowfall in August - Trenton, MO
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (94mm).
Months with the least snowfall are June, July, August and September (0mm).

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

The month with the highest number of snowfall days is January (6.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August / Average sunshine in August - Trenton, MO
  • Average daylight in August: 13.7h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in August: 10h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 4.7h).

Average sunshine days in August - Trenton, MO
  • Average sunshine days in August: 15.7 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.8 days).

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

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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

Months with the most cloud cover are January and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in August - Trenton, MO
  • Average visibility in August: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).