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Port Saint Johnʼs Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Port Saint Johnʼs.
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Climate overview of Port Saint Johnʼs
Port Saint Johnʼs, Eastern Cape, South Africa, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 24°C (75°F), peaking in February at 27°C (81°F) and dipping in July to 23°C (73°F).
The city receives considerable rainfall, with around 1121 mm (44 in) annually. January is the wettest month.
Port Saint Johnʼs Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Port Saint Johnʼs - and find the best time to visit.
Monthly Temperature in Port Saint Johnʼs
With minimal seasonal shifts, Port Saint Johnʼs experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a comfortable 27°C (81°F) in February to a comfortable 23°C (73°F) in the coolest month, July.
Nights vary from 21°C (70°F) in February to around 14°C (57°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Port Saint Johnʼs
Port Saint Johnʼs has a notably wet climate with abundant precipitation, recording 1121 mm (44 in) of rainfall per year. The climate in Port Saint Johnʼs shows significant variation throughout the year. Expect high rainfall in January, the wettest month, with an average of 131 mm (5.2 in) of precipitation over 15 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 41 mm (1.6 in) of rainfall over 5 rainy days. For more details, please visit our Port Saint Johnʼs Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Humidity in Port Saint Johnʼs by Month
The relative humidity is high throughout the year in Port Saint Johnʼs.
The city experiences its highest humidity in March, reaching 81%. In June, the humidity drops to its lowest level at 66%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Port Saint Johnʼs
For comfortable weather, consider visiting Port Saint Johnʼs in May, June, July, August and September. Conditions are usually least favourable in January, February, March, April, October, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very good
Feb
very good
Mar
very good
Apr
very good
May
excellent
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
very good
Nov
very good
Dec
very good
- Best overall: May, June, July, August and September
- Warmest weather: January, February and March
- Fewest rainy days: May, June and July
Frequently asked questions about the climate in Port Saint Johnʼs
What is the best time to visit Port Saint Johnʼs?
May, June, July, August and September typically offer the most optimal weather in Port Saint Johnʼs. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions.
What temperatures can I expect in Port Saint Johnʼs?
Daytime highs range from 23°C (73°F) in July to 27°C (81°F) in February. Nighttime lows range from 14°C (57°F) to 21°C (70°F). Temperatures stay relatively stable year-round.
How much rain does Port Saint Johnʼs get?
Annual rainfall is around 1121 mm (44 in). January is the wettest month with 131 mm (5.2 in), while July is the driest with 41 mm (1.6 in).
Port Saint Johnʼs 3-Day Forecast
Port Saint Johnʼs on the map
Port Saint Johnʼs is highlighted - select any city to see its climate.
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