August weather forecastAshtabula, OH
August
Weather in August
August in Ashtabula, Ohio, embraces the late Summer with strong sunshine and elevated temperature levels, slightly lower than July's peak. The weather provides ample opportunities to explore the city's rich architectural heritage and numerous vineyards. Humidity remains constant from July, allowing more comfortable nights due to cooler temperatures. With temperatures dropping from 77°F (25°C) in July to 75.9°F (24.4°C) in August, the shift towards Fall begins. Characteristics of August weather include lengthening evenings, creating a soothing atmosphere to cap off summer's end.Temperature
As July transitions into August, the average high-temperature rests at a still moderately hot 75.9°F (24.4°C), maintaining a close resemblance to the previous month. Throughout the month of August, Ashtabula sees a steady low-temperature average of 63.9°F (17.7°C).Humidity
The months with the lowest humidity are July through September, with an average relative humidity of 78%.Rainfall
In Ashtabula, during August, the rain falls for 18.8 days and regularly aggregates up to 3.07" (78mm) of precipitation. Throughout the year, there are 181 rainfall days, and 36.34" (923mm) of precipitation is accumulated.Snowfall
In Ashtabula, snow does not fall in June through September.Ocean temperature
The month with the warmest seawater is August, with an average ocean temperature of 75.7°F (24.3°C).Note: Think about diving into 75.7°F (24.3°C) waters. Factors like your sensitivity to cold, the brightness of the sun, wind conditions, and the day's warmth play a role. For reference, Olympic swimming competitions use waters between 77°F (25°C) and 82.4°F (28°C).
Daylight
In August, the average length of the day is 13h and 49min.On the first day of August, sunrise is at 6:17 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 7:57 pm EDT.
Sunshine
In August, the average sunshine is 10.5h.UV index
The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 5 in August translates into this advice:
Undertake precautions - Guarding against sun damage is counselled. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Ashtabula, OH
- Average high temperature in August: 75.9°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in August: 63.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in August
Ashtabula, 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
Ashtabula, OH
- Average wind speed in August: 7.4mph
The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in August
Ashtabula, OH
- Average humidity in August: 78%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July, August and September (78%).
Average rainfall in August
Ashtabula, OH
- Average rainfall in August: 3.07"
The wettest month (with the highest rainfall) is June (3.94").
The driest months (with the least rainfall) are February and November (2.4").
Average rainfall days in August
Ashtabula, OH
- Average rainfall days in August: 18.8 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in August
Ashtabula, OH
- Average snowfall in August: 0"
The month with the highest snowfall is January (6.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Ashtabula, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in August
Ashtabula, OH
- Average sea temperature in August: 75.7°F
The best month for swimming (with the highest average sea temperature) is August (75.7°F).
The coldest month (with the lowest average sea temperature) is February (32.7°F).
Average daylight in August /
Average sunshine in August
Ashtabula, OH
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 10h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in August
Ashtabula, OH
- Average sunshine days in August: 9.8 days
The month with the most sunshine days is September (11 days).
The month with the least sunshine days is January (5.9 days).
Average UV index in August
Ashtabula, OH
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Ashtabula, OH
- Average cloud cover in August: 28
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in August
Ashtabula, OH
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).





