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's arrival registers an average high-temperature of a pleasant 20.8°C (69.4°F), closely aligning with the temperature of the previous month. The significant decline in Port Saint Johns's temperature, from day to night, averages of 8.5°C (47.3°F) in August.Humidity
The months with the lowest humidity in Port Saint Johns are June through August, with an average relative humidity of 55%.Rainfall
In Port Saint Johns, during August, the rain falls for 6.7 days and regularly aggregates up to 16mm (0.63") of precipitation. Throughout the year, in Port Saint Johns, there are 172 rainfall days, and 557mm (21.93") of precipitation is accumulated.Sea temperature
The month with the coldest seawater in Port Saint Johns is August, with an average sea temperature of 21°C (69.8°F).Note: Most people do not enjoy swimming in water of 21°C (69.8°F). Breathing control becomes harder as the temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in August is 11h and 0min.On the first day of the month, sunrise is at 06:49 and sunset at 17:26. On the last day of August, sunrise is at 06:18 and sunset at 17:45 SAST.
Sunshine
In Port Saint Johns, South Africa, the average sunshine in August is 6.7h.UV index
January through April, August, November and December, with an average maximum UV index of 5, are months with the highest UV index in Port Saint Johns. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 5 in August transforms into the following instructions:
Exercise prevention - Protecting skin and eyes from harm is required. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What is the average August temperature in Port Saint Johns?
What is the least humid month in Port Saint Johns?
What is the average humidity in August in Port Saint Johns?
How much does it rain in Port Saint Johns in August?
What is the month with the coldest sea water in Port Saint Johns?
What is the sea water temperature in August in Port Saint Johns?
How many hours of daylight does Port Saint Johns have in August?
When are sunrise and sunset in August in Port Saint Johns?
How many hours of sunshine does Port Saint Johns have in August?
What are the months with the highest UV index in Port Saint Johns?
What is the UV index reading in August in Port Saint Johns?
Average temperature in August
Port Saint Johns, South Africa
- Average high temperature in August: 20.8°C
The warmest months (with the highest average high temperature) are January and February (25.8°C).
The month with the lowest average high temperature is July (19.1°C).
- Average low temperature in August: 8.5°C
The month with the highest average low temperature is February (15.3°C).
The coldest month (with the lowest average low temperature) is July (7.2°C).
Average pressure in August
Port Saint Johns, South Africa
- Average pressure in August: 1020.6mbar
The month with the highest atmospheric pressure is July (1023.5mbar).
The month with the lowest atmospheric pressure is January (1014.1mbar).
Average wind speed in August
Port Saint Johns, South Africa
- Average wind speed in August: 8.4km/h
The windiest month (with the highest average wind speed) is August (8.4km/h).
The calmest month (with the lowest average wind speed) is March (6.5km/h).
Average humidity in August
Port Saint Johns, South Africa
- Average humidity in August: 55%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are June, July and August (55%).
Average rainfall in August
Port Saint Johns, South Africa
- Average rainfall in August: 16mm
The wettest month (with the highest rainfall) is January (93mm).
The driest month (with the least rainfall) is June (11mm).
Average rainfall days in August
Port Saint Johns, South Africa
- Average rainfall days in August: 6.7 days
The month with the highest number of rainy days is December (23.5 days).
The month with the least rainy days is June (5 days).
Average sea temperature in August
Port Saint Johns, South Africa
- Average sea temperature in August: 21°C
The best month for swimming (with the highest average sea temperature) is March (26.4°C).
The coldest month (with the lowest average sea temperature) is August (21°C).
Average daylight in August /
Average sunshine in August
Port Saint Johns, South Africa
- Average daylight in August: 11h and 0min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
- Average sunshine in August: 6h and 4min
The month with the most sunshine is October (Average sunshine: 8h and 36min).
The month with the least sunshine is April (Average sunshine: 6h and 12min).
Average sunshine days in August
Port Saint Johns, South Africa
- Average sunshine days in August: 22.1 days
The month with the most sunshine days is July (24.5 days).
The month with the least sunshine days is January (4.4 days).
Average UV index in August
Port Saint Johns, South Africa
- Average UV index in August: 5
The months with the highest UV index are January, February, March, April, August, November and December (UV index 5).
The months with the lowest UV index are May, June, July, September and October (UV index 4).
Average cloud cover in August
Port Saint Johns, South Africa
- Average cloud cover in August: 23
The month with the most cloud cover is December (Cloud cover 60).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in August
Port Saint Johns, South Africa
- Average visibility in August: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is January (6km).
Port Saint Johns, South Africa
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