August weather forecastManitowoc, WI
August
Weather in August
August in Manitowoc experiences the continuation of summer's warmth. However, the average temperature shows a slight dip from the high of July, signaling the future arrival of fall. Daylight hours start to reduce, subtly starting the transition into autumn. The breezes begin to pick up, adding a cooling effect. August in Manitowoc paints the scene for a waning summer.Temperature
The dawn of August in Manitowoc sees an average high-temperature of a still warm 73.9°F (23.3°C), subtly contrasting with July's 74.1°F (23.4°C). Manitowoc's nighttime temperature during August is consistently averaged at a comfortable 63°F (17.2°C).Humidity
The average relative humidity in August is 79%.Rainfall
In Manitowoc, in August, it is raining for 11.7 days, with typically 1.22" (31mm) of accumulated precipitation. In Manitowoc, during the entire year, the rain falls for 108.5 days and collects up to 10.67" (271mm) of precipitation.Snowfall
June through September are months without snowfall in Manitowoc.Ocean temperature
With an average ocean temperature of 69.6°F (20.9°C), August is the month with the warmest seawater in Manitowoc.Note: For most people, swimming in water at 69.6°F (20.9°C) is not a pleasurable experience. Breathing control gets harder as the water temperature descends from 69.8°F (21°C) to 59°F (15°C).
Daylight
The average length of the day in August in Manitowoc, Wisconsin, is 13h and 58min.On the first day of August in Manitowoc, sunrise is at 5:39 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 7:27 pm CDT.
Sunshine
The average sunshine in August in Manitowoc is 10.6h.UV index
In August, the average daily maximum UV index in Manitowoc, Wisconsin, is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 5 during August translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Manitowoc, WI
- Average high temperature in August: 73.9°F
The warmest month (with the highest average high temperature) is July (74.1°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in August: 63°F
The month with the highest average low temperature is August (63°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in August
Manitowoc, WI
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Manitowoc, WI
- Average wind speed in August: 8.7mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is July (8.4mph).
Average humidity in August
Manitowoc, WI
- Average humidity in August: 79%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are October and November (77%).
Average rainfall in August
Manitowoc, WI
- Average rainfall in August: 1.22"
The wettest month (with the highest rainfall) is July (1.34").
The driest months (with the least rainfall) are February and November (0.47").
Average rainfall days in August
Manitowoc, WI
- Average rainfall days in August: 11.7 days
The months with the highest number of rainy days are June and July (12.1 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in August
Manitowoc, WI
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Manitowoc, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in August
Manitowoc, WI
- Average sea temperature in August: 69.7°F
The best month for swimming (with the highest average sea temperature) is August (69.7°F).
The coldest month (with the lowest average sea temperature) is February (36.6°F).
Average daylight in August /
Average sunshine in August
Manitowoc, WI
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 10h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Manitowoc, WI
- Average sunshine days in August: 16.7 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is February (14.6 days).
Average UV index in August
Manitowoc, WI
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in August
Manitowoc, WI
- Average cloud cover in August: 27
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in August
Manitowoc, WI
- 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).
