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 sea temperature 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
August, with its average high-temperature of 16.2°C (61.2°F) and an average low-temperature of 11.5°C (52.7°F), holds the record as the coldest month.Humidity
In Hermanus, the average relative humidity in August is 75%.Rainfall
In Hermanus, in August, it is raining for 10.2 days, with typically 35mm (1.38") of accumulated precipitation. In Hermanus, during the entire year, the rain falls for 113.9 days and collects up to 270mm (10.63") of precipitation.Sea temperature
August is the month with the coldest seawater, with an average sea temperature of 15.4°C (59.7°F).Note: Most individuals do not find swimming at 15.4°C (59.7°F) to be enjoyable. As the water temperature declines below 21°C (69.8°F), maintaining control over one's breathing becomes harder.
Daylight
The average length of the day in August is 10h and 53min.On the first day of the month, sunrise is at 07:35 and sunset at 18:02. On the last day of August, sunrise is at 07:02 and sunset at 18:24 SAST.
Sunshine
In August, the average sunshine in Hermanus is 8.2h.UV index
May through September, with an average maximum UV index of 4, are months with the lowest UV index in Hermanus. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in August interprets into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What is the coldest month in Hermanus?
What are August temperatures in Hermanus?
What is the average humidity in August in Hermanus?
How many days does it rain in August in Hermanus?
When is the sea coldest in Hermanus?
What is the sea water temperature in August in Hermanus?
What is the average length of the day in August in Hermanus?
What time are sunrise and sunset in August in Hermanus?
How long on average sun shines in August in Hermanus?
What are the months with the lowest UV index in Hermanus?
What is the UV index reading in August in Hermanus?
Average temperature in August
Hermanus, South Africa
- Average high temperature in August: 16.2°C
The warmest month (with the highest average high temperature) is February (23.3°C).
The month with the lowest average high temperature is August (16.2°C).
- Average low temperature in August: 11.5°C
The month with the highest average low temperature is February (18.3°C).
The coldest month (with the lowest average low temperature) is August (11.5°C).
Average pressure in August
Hermanus, South Africa
- Average pressure in August: 1020mbar
The month with the highest atmospheric pressure is July (1021.8mbar).
The month with the lowest atmospheric pressure is February (1013.8mbar).
Average wind speed in August
Hermanus, South Africa
- Average wind speed in August: 20.1km/h
The windiest month (with the highest average wind speed) is November (21.5km/h).
The calmest month (with the lowest average wind speed) is May (17.7km/h).
Average humidity in August
Hermanus, South Africa
- Average humidity in August: 75%
The months with the highest relative humidity are January, February, March, May, September and October (76%).
The months with the lowest relative humidity are April, June and July (74%).
Average rainfall in August
Hermanus, South Africa
- Average rainfall in August: 35mm
The wettest month (with the highest rainfall) is June (47mm).
The driest months (with the least rainfall) are February and December (13mm).
Average rainfall days in August
Hermanus, South Africa
- Average rainfall days in August: 10.2 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is October (7.1 days).
Average sea temperature in August
Hermanus, South Africa
- Average sea temperature in August: 15.4°C
The best month for swimming (with the highest average sea temperature) is January (20°C).
The coldest month (with the lowest average sea temperature) is August (15.4°C).
Average daylight in August /
Average sunshine in August
Hermanus, South Africa
- Average daylight in August: 10h and 5min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in August: 8h and 1min
The month with the most sunshine is December (Average sunshine: 10h and 24min).
The month with the least sunshine is June (Average sunshine: 6h and 12min).
Average sunshine days in August
Hermanus, South Africa
- Average sunshine days in August: 19.3 days
The month with the most sunshine days is October (22 days).
The month with the least sunshine days is February (13.9 days).
Average UV index in August
Hermanus, South Africa
- Average UV index in August: 4
The months with the highest UV index are January and February (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 4).
Average cloud cover in August
Hermanus, South Africa
- Average cloud cover in August: 31
The months with the most cloud cover are March and October (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in August
Hermanus, South Africa
- Average visibility in August: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Hermanus, South Africa
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