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
Saint Johns signifies an average high-temperature of a still warm 78.8°F (26°C) in August, closely mirroring the 80.4°F (26.9°C) of July. Saint Johns witnesses an average low-temperature of 61.2°F (16.2°C) throughout the month of August.Humidity
In August, the average relative humidity is 82%.Rainfall
In August, in Saint Johns, the rain falls for 16.3 days. Throughout August, 2.36" (60mm) of precipitation is accumulated. Throughout the year, there are 169.7 rainfall days, and 30.47" (774mm) of precipitation is accumulated.Snowfall
In Saint Johns, snow does not fall in June through September.Daylight
In Saint Johns, Ohio, the average length of the day in August is 13h and 44min.On the first day of August in Saint Johns, sunrise is at 6:34 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 8:09 pm EDT.
Sunshine
The average sunshine in August is 9.6h.UV index
June through 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 unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 6 during August translates into the following guidance:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August in Saint Johns?
What is the average humidity in August in Saint Johns?
How many days does it rain in August in Saint Johns?
When it does not snow in Saint Johns?
How many hours of daylight does Saint Johns have in August?
When are sunrise and sunset in August in Saint Johns?
How many hours of sunshine does Saint Johns have in August?
What are the months with the highest UV index in Saint Johns?
What is the UV index reading in August in Saint Johns?
Average temperature in August
Saint Johns, OH
- Average high temperature in August: 78.8°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in August: 61.2°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in August
Saint Johns, OH
- Average pressure in August: 29.98"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Saint Johns, OH
- Average wind speed in August: 6mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in August
Saint Johns, OH
- Average humidity in August: 82%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in August
Saint Johns, OH
- Average rainfall in August: 2.36"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is February (1.93").
Average rainfall days in August
Saint Johns, OH
- Average rainfall days in August: 16.3 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in August
Saint Johns, OH
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Saint Johns, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Saint Johns, OH
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 9h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in August
Saint Johns, OH
- Average sunshine days in August: 10.9 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in August
Saint Johns, OH
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Saint Johns, OH
- Average cloud cover in August: 33
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 33).
Average visibility in August
Saint Johns, OH
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).
Saint Johns, Ohio, USA
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