August weather forecast
Hamilton, MO

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Weather in August

The last month of the summer, August, is also a moderately hot month in Hamilton, Missouri, with an average temperature ranging between min 64.9°F (18.3°C) and max 83.3°F (28.5°C).

Temperature

The shift into August records an average high-temperature of a still warm 83.3°F (28.5°C), subtly varied from July's 84.7°F (29.3°C). An average temperature of 64.9°F (18.3°C) marks the nights in Hamilton in August.

Heat index

The average heat index in August is appraised at a hot 91.4°F (33°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

May through August, with an average relative humidity of 80%, are the most humid months.

Rainfall

In Hamilton, in August, during 14.5 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. In Hamilton, during the entire year, the rain falls for 133.8 days and collects up to 27.17" (690mm) of precipitation.

Snowfall

In Hamilton, snow does not fall in June through September.

Daylight

In Hamilton, the average length of the day in August is 13h and 41min.
On the first day of the month, sunrise is at 6:15 am and sunset at 8:28 pm. On the last day of August, sunrise is at 6:43 am and sunset at 7:48 pm CDT.

Sunshine

In August, the average sunshine is 9.9h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum UV index of 6 in August translates into the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

The high-temperature, in August, in Hamilton, is 83.3°F (28.5°C), while the low-temperature averages to 64.9°F (18.3°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 91.4°F (33°C).

What is the most humid month?

The months with the highest humidity are May through August, with an average relative humidity of 80%.

What is the average humidity in August?

The average relative humidity in August is 80%.

How many days does it rain in August?

In Hamilton, in August, it is raining for 14.5 days, with typically 2.87" (73mm) of accumulated precipitation.

When it does not snow?

In Hamilton, snow does not fall in June through September.

What is the average length of the day in August?

In Hamilton, the average day length in August is 13h and 41min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 6:15 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:48 pm CDT.

How many hours of sunshine does Hamilton have in August?

In Hamilton, the average sunshine duration in August is 9.9h.

When is the highest UV index?

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

How high is the UV index in August?

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

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

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in August: 64.9°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure in August
Hamilton, MO

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

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in August
Hamilton, MO

Average wind speed in August - Hamilton, MO
  • Average wind speed in August: 6.2mph

The windiest months (with the highest average wind speed) are February and March (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in August
Hamilton, MO

Average humidity in August - Hamilton, MO
  • Average humidity in August: 80%

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

Average rainfall in August
Hamilton, MO

Average rainfall in August - Hamilton, MO
  • Average rainfall in August: 2.87"

The wettest month (with the highest rainfall) is June (3.82").
The driest months (with the least rainfall) are January and February (1.02").

Average rainfall days in August
Hamilton, MO

Average rainfall days in August - Hamilton, MO
  • Average rainfall days in August: 14.5 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in August
Hamilton, MO

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

The month with the highest snowfall is January (3.86").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Hamilton, MO

Average snowfall days in August - Hamilton, 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 June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Hamilton, MO
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in August
Hamilton, MO

Average sunshine days in August - Hamilton, MO
  • Average sunshine days in August: 14.2 days

The month with the most sunshine days is December (21 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in August
Hamilton, MO

Average UV index in August - Hamilton, 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).

Average cloud cover in August
Hamilton, MO

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

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

Average visibility in August
Hamilton, MO

Average visibility in August - Hamilton, 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).

Hamilton, Missouri, USA

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