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Germiston Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Germiston.
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Climate overview of Germiston
Temperatures in Germiston, South Africa, shift moderately through the seasons. The warmest month is January at 27°C (81°F), and the coolest is July at 20°C (68°F).
With around 775 mm (31 in) of annual rainfall, the city has moderate precipitation levels. December is the wettest month and July the driest. It also has a distinct dry season from May to September. July is the sunniest month, averaging 9.5 hours of sunshine per day.
Germiston Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Germiston - and find the best time to visit.
Monthly Temperature in Germiston
The climate in Germiston experiences moderate temperature changes, with mild shifts between seasons. Typically, average maximum daytime temperatures range from a comfortable 27°C (81°F) in January to a pleasant 20°C (68°F) in the coolest month, July.
Nights vary from 16°C (61°F) in January to around 4°C (39°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Germiston
Generally, Germiston receives mid-range precipitation levels, with 775 mm (31 in) annually. The climate in Germiston shows significant variation throughout the year. Expect high rainfall in December, the wettest month, with an average of 138 mm (5.4 in) of precipitation over 14 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 3.7 mm (0.1 in) of rainfall over a single rainy day. For more details, please visit our Germiston Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Germiston
Germiston offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between July (9.5 hours daily) and February (7.5 hours daily) provides a bit of variety for visitors and residents.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Johannesburg, South Africa (14 KM, 8 Miles).
Daily hours of sunshine
Data from: Johannesburg, South Africa (14 KM, 8 Miles).
Daily percentage of sunshine
Data from: Johannesburg, South Africa (14 KM, 8 Miles).
Humidity in Germiston by Month
The relative humidity is moderate throughout the year in Germiston.
The city experiences its highest humidity in February, reaching 70%. In August, the humidity drops to its lowest level at 46%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Johannesburg, South Africa (14 KM, 8 Miles).
Best Time to Visit Germiston
The most comfortable overall weather for exploring Germiston is usually found in March, April, May, June, July, August, September and October. Conditions are generally least comfortable in January, February, 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
excellent
Apr
excellent
May
excellent
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
excellent
Nov
very good
Dec
very good
- Best overall: March, April, May, June, July, August, September and October
- Warmest weather: January, February, March, September, October, November and December
- Most sunshine: May, July, August, September and October
- Fewest rainy days: May, June, July and August
- Wettest months: January, February, March, October, November and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from May to September
Frequently asked questions about the climate in Germiston
What is the best time to visit Germiston?
March, April, May, June, July, August, September and October typically offer the most optimal weather in Germiston. In contrast, January, February, November and December tend to have less optimal conditions. Germiston has a distinct dry season from May to September.
What temperatures can I expect in Germiston?
Daytime highs range from 20°C (68°F) in July to 27°C (81°F) in January. Nighttime lows range from 4°C (39°F) to 16°C (61°F).
How much rain does Germiston get?
Annual rainfall is around 775 mm (31 in). December is the wettest month with 138 mm (5.4 in), while July is the driest with 3.7 mm (0.1 in).
How sunny is Germiston?
Germiston receives around 3,126 hours of sunshine per year. July is the sunniest month with 284 hours, while February is the cloudiest with just 225 hours. Overall, Germiston enjoys abundant sunshine.
Germiston 3-Day Forecast
Germiston on the map
Germiston is highlighted - select any city to see its climate.
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