August weather forecast
Caledonia, MI

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Weather in August

The last month of the summer, August, is also a moderately hot month in Caledonia, Michigan, with an average temperature ranging between max 78.4°F (25.8°C) and min 60.1°F (15.6°C).

Temperature

In the transition from July to August, Caledonia reports an average high-temperature of a still moderately hot 78.4°F (25.8°C), indicating a close resemblance to the prior month. Throughout the month of August, Caledonia expects an average low of 60.1°F (15.6°C).

Humidity

The average relative humidity in August is 79%.

Rainfall

In Caledonia, during August, the rain falls for 13.6 days and regularly aggregates up to 1.5" (38mm) of precipitation. In Caledonia, during the entire year, the rain falls for 136.2 days and collects up to 18.98" (482mm) of precipitation.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 52min.
On the first day of the month, sunrise is at 6:34 am and sunset at 9:02 pm. On the last day of August, sunrise is at 7:06 am and sunset at 8:17 pm EDT.

Sunshine

In Caledonia, the average sunshine in August is 9.6h.

UV index

June and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in August?

The average high-temperature, in August, in Caledonia, is 78.4°F (25.8°C), while the average low-temperature is 60.1°F (15.6°C).

What is the average humidity in August?

In August, the average relative humidity is 79%.

How many days does it rain in August?

In August, the rain falls for 13.6 days. Throughout August, 1.5" (38mm) of precipitation is accumulated.

When it does not snow?

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

How many hours of daylight does Caledonia have in August?

In August, the average day length is 13h and 52min.

When are sunrise and sunset in August in Caledonia?

On the first day of August, sunrise is at 6:34 am and sunset at 9:02 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 8:17 pm EDT.

How long on average sun shines in August?

In August, the average sunshine duration is 9.6h.

When is the highest UV index?

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

What is the UV index intensity 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 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
Caledonia, MI

Average temperature in August - Caledonia, MI
  • Average high temperature in August: 78.4°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (27.5°F).

  • Average low temperature in August: 60.1°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

Average pressure in August
Caledonia, MI

Average pressure in August - Caledonia, MI
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in August
Caledonia, MI

Average wind speed in August - Caledonia, MI
  • Average wind speed in August: 6.5mph

The windiest months (with the highest average wind speed) are February and April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in August
Caledonia, MI

Average humidity in August - Caledonia, MI
  • Average humidity in August: 79%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (75%).

Average rainfall in August
Caledonia, MI

Average rainfall in August - Caledonia, MI
  • Average rainfall in August: 1.5"

The wettest month (with the highest rainfall) is October (2.32").
The driest month (with the least rainfall) is February (1.06").

Average rainfall days in August
Caledonia, MI

Average rainfall days in August - Caledonia, MI
  • Average rainfall days in August: 13.6 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (5 days).

Average snowfall in August
Caledonia, MI

Average snowfall in August - Caledonia, MI
  • Average snowfall in August: 0"

The month with the highest snowfall is January (4.13").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Caledonia, MI

Average snowfall days in August - Caledonia, MI
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Caledonia, MI

Average daylight in August / Average sunshine in August - Caledonia, MI
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

Average sunshine days in August
Caledonia, MI

Average sunshine days in August - Caledonia, MI
  • Average sunshine days in August: 14.3 days

The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is February (9.5 days).

Average UV index in August
Caledonia, MI

Average UV index in August - Caledonia, MI
  • Average UV index in August: 6

The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in August
Caledonia, MI

Average cloud cover in August - Caledonia, MI
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in August
Caledonia, MI

Average visibility in August - Caledonia, MI
  • Average visibility in August: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Caledonia, Michigan, USA

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