Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The average high-temperature for August is a still moderately hot 77.5°F (25.3°C), closely aligning with the temperature of the preceding month. Williamston, during August, witnesses an average low-temperature of 59.5°F (15.3°C).Humidity
The average relative humidity in August is 80%.Rainfall
In August, the rain falls for 13.3 days. Throughout August, 1.81" (46mm) of precipitation is accumulated. In Williamston, during the entire year, the rain falls for 150.4 days and collects up to 24.65" (626mm) of precipitation.Snowfall
In Williamston, snow does not fall in June through September.Daylight
In Williamston, the average length of the day in August is 13h and 52min.On the first day of August in Williamston, sunrise is at 6:29 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 8:12 pm EDT.
Sunshine
In August, the average sunshine is 9.7h.UV index
The months with the highest UV index in Williamston, Michigan, are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In August, a regular UV index of 5 translates into these guidelines:
Be vigilant - Preventing sunburn is recommended. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August in Williamston?
What is the average humidity in August in Williamston?
How much does it rain in Williamston in August?
When it does not snow in Williamston?
How many hours of daylight does Williamston have in August?
When is the sunrise / sunset in August in Williamston?
How long on average sun shines in August in Williamston?
What is the month with the highest UV index in Williamston?
What is the UV index reading in August in Williamston?
Average temperature in August
Williamston, MI
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in August
Williamston, MI
- Average pressure in August: 29.97"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Williamston, MI
- Average wind speed in August: 6.6mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in August
Williamston, MI
- Average humidity in August: 80%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (77%).
Average rainfall in August
Williamston, MI
- Average rainfall in August: 1.81"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is December (1.42").
Average rainfall days in August
Williamston, MI
- Average rainfall days in August: 13.3 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in August
Williamston, MI
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Williamston, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Williamston, 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 42min).
Average sunshine days in August
Williamston, MI
- Average sunshine days in August: 14.5 days
The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in August
Williamston, MI
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Williamston, MI
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in August
Williamston, MI
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, July, October and November (6mi).
The months with the lowest visibility are January, February, August, September and December (5mi).
Williamston, Michigan, USA
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