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 warmest temperatures occur during August, when averages reach a peak of 77.9°F (25.5°C) and a low of 56.5°F (13.6°C).Humidity
August is the least humid month, with an average relative humidity of 60%.Rainfall
In Saint John, in August, during 11.3 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 110.9 rainfall days, and 17.95" (456mm) of precipitation is accumulated.Snowfall
In Saint John, snow does not fall in June through September.Daylight
The average length of the day in August is 14h and 19min.On the first day of August, sunrise is at 6:13 am and sunset at 9:17 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 8:22 pm CDT.
Sunshine
In August, the average sunshine is 10.8h.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 5 in August translates into the following instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. To guard against the harmful effects of the Sun, minimize 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 time of the year is the hottest?
What are August temperatures?
What is the least humid month?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
What is the average length of the day in August in Saint John?
What time are sunrise and sunset in August?
How many hours of sunshine does Saint John have in August?
When is the highest UV index?
What is the UV index intensity in August?
Average temperature in August
Saint John, ND
- Average high temperature in August: 77.9°F
The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is January (14.2°F).
- Average low temperature in August: 56.5°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (0.5°F).
Average pressure in August
Saint John, ND
- Average pressure in August: 29.9"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in August
Saint John, ND
- Average wind speed in August: 8.5mph
The windiest month (with the highest average wind speed) is October (11mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in August
Saint John, ND
- Average humidity in August: 60%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (60%).
Average rainfall in August
Saint John, ND
- Average rainfall in August: 1.69"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in August
Saint John, ND
- Average rainfall days in August: 11.3 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (2 days).
Average snowfall in August
Saint John, ND
- Average snowfall in August: 0"
The month with the highest snowfall is November (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Saint John, ND
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (15.7 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 John, ND
- Average daylight in August: 14h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in August: 10h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in August
Saint John, ND
- Average sunshine days in August: 16.3 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in August
Saint John, ND
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in August
Saint John, ND
- Average cloud cover in August: 25
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in August
Saint John, ND
- 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).
Saint John, North Dakota, USA
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