August weather forecastSaint-Ost, France
August
Weather in August
The last month of the summer, August, is another warm month in Saint-Ost, France, with temperature in the range of an average low of 15.9°C (60.6°F) and an average high of 27.8°C (82°F).Temperature
In Saint-Ost, temperatures reach their average annual highs in August, measuring 27.8°C (82°F) and a minimum average of 15.9°C (60.6°F).Heat index
In August, the average heat index is calculated to be a tropical 30°C (86°F). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.Evaluating the heat index requires understanding its values in the shade and with gentle winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
August is the least humid month, with an average relative humidity of 67%.Rainfall
In August, in Saint-Ost, France, the rain falls for 10.3 days. Throughout August, 27mm (1.06") of precipitation is accumulated. In Saint-Ost, during the entire year, the rain falls for 155.2 days and collects up to 440mm (17.32") of precipitation.Snowfall
In Saint-Ost, snow does not fall in April through October.Daylight
The average length of the day in August is 13h and 55min.On the first day of the month, sunrise is at 06:48 and sunset at 21:20. On the last day of August, sunrise is at 07:21 and sunset at 20:34 CEST.
Sunshine
In Saint-Ost, the average sunshine in August is 9.5h.UV index
The months with the highest UV index are July and August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In August, an average UV index of 6 transforms into the following instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Saint-Ost, France
- Average high temperature in August: 27.8°C
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in August: 15.9°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in August
Saint-Ost, France
- Average pressure in August: 1017.7mbar
The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in August
Saint-Ost, France
- Average wind speed in August: 8.8km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is September (8.7km/h).
Average humidity in August
Saint-Ost, France
- Average humidity in August: 67%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (67%).
Average rainfall in August
Saint-Ost, France
- Average rainfall in August: 27mm
The wettest month (with the highest rainfall) is May (52mm).
The driest month (with the least rainfall) is September (22mm).
Average rainfall days in August
Saint-Ost, France
- Average rainfall days in August: 10.3 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is September (9.9 days).
Average snowfall in August
Saint-Ost, France
- Average snowfall in August: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in August
Saint-Ost, France
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Saint-Ost, France
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 9h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in August
Saint-Ost, France
- Average sunshine days in August: 17.6 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in August
Saint-Ost, France
- Average UV index in August: 6
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and November (UV index 2).
Average cloud cover in August
Saint-Ost, France
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in August
Saint-Ost, France
- Average visibility in August: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





