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 shift from July to August is characterized by an average high-temperature of a still moderately hot 75.7°F (24.3°C), not significantly different from the 77.2°F (25.1°C) of July. Castalia experiences a mean temperature of 66.4°F (19.1°C) during August nights.Humidity
In August, the average relative humidity is 78%.Rainfall
In Castalia, Ohio, in August, during 15.2 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. Throughout the year, there are 160.4 rainfall days, and 32.99" (838mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In August, the average length of the day is 13h and 47min.On the first day of August in Castalia, sunrise is at 6:27 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 8:05 pm EDT.
Sunshine
In Castalia, the average sunshine in August is 10.5h.UV index
The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In August, the maximum UV index of 5 suggests this advice:
Heed the precautions - It is counselled to guard against solar damage. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Castalia in August?
What is the average humidity in August in Castalia?
How many days does it rain in August in Castalia?
When it does not snow in Castalia?
How many hours of daylight does Castalia have in August?
When is the sunrise / sunset in August in Castalia?
How long on average sun shines in August in Castalia?
What is the UV index reading in August in Castalia?
Average temperature in August
Castalia, OH
- Average high temperature in August: 75.7°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in August: 66.4°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in August
Castalia, OH
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Castalia, OH
- Average wind speed in August: 8.1mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in August
Castalia, OH
- Average humidity in August: 78%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in August
Castalia, OH
- Average rainfall in August: 3.27"
The wettest month (with the highest rainfall) is June (4.41").
The driest months (with the least rainfall) are February and December (1.61").
Average rainfall days in August
Castalia, OH
- Average rainfall days in August: 15.2 days
The month with the highest number of rainy days is May (17.8 days).
The months with the least rainy days are January and February (7.8 days).
Average snowfall in August
Castalia, OH
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Castalia, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Castalia, OH
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 10h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in August
Castalia, OH
- Average sunshine days in August: 12.1 days
The month with the most sunshine days is March (14.1 days).
The month with the least sunshine days is February (9.6 days).
Average UV index in August
Castalia, OH
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Castalia, OH
- Average cloud cover in August: 27
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in August
Castalia, OH
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Castalia, Ohio, USA
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