What’s the climate like in Hermanus?
The current climate of Hermanus features average monthly temperatures ranging from highs of 27°C during the day to lows of 18°C. The average yearly temperature is around 23°C. At night, temperatures in the colder months average around 8°C and in the warmer months around 17°C.
The highest temperature recorded in Hermanus in recent years was 42°C in March 2015. The lowest daytime temperature recorded was 11°C in August 2018.
On average, Hermanus receives 572 mm of precipitation each year. For comparison, London gets 701 mm of precipitation annually.
Curious about the climate in other parts of South Africa? Check out the weather and climate in places like Cape Town, Krugerpark, Johannesburg, or have a look at other destinations in South Africa.
Best time to visit Hermanus?
The best time to visit Hermanus for sunny weather is January through December. During this period, you'll have good temperatures and not too much rain, making it a great time to visit Hermanus.
Climate Table of Hermanus
The climate table of Hermanus shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 27 | 27 | 25 | 24 | 21 | 19 | 18 | 19 | 20 | 23 | 24 | 25 |
| Temp. min (°C) | 17 | 17 | 16 | 13 | 11 | 10 | 9 | 9 | 11 | 13 | 14 | 16 |
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| Precipitation (mm) | 29 | 23 | 40 | 25 | 54 | 104 | 79 | 77 | 47 | 38 | 33 | 23 |
| UV Index | 9 | 9 | 8 | 7 | 5 | 4 | 4 | 6 | 7 | 8 | 9 | 9 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 23°C
- Highest temperature: 27°C in January and February
- Lowest temperature: 18°C in July
- Precipitation: 572 mm per year, averaging 48 mm per month
- Driest months: 23 mm in February, December and 25 mm in April
- Wettest months: 104 mm in June, 79 mm in July and 77 mm in August
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Table of Contents
Average Temperature per Month in Hermanus
This graph shows the average maximum temperatures per month in Hermanus, South Africa. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Hermanus
This graph shows how much precipitation Hermanus, South Africa, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in Hermanus
This graph shows the average UV index per month in Hermanus, South Africa. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Hermanus
This graph shows the average yearly temperature in Hermanus, South Africa. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Hermanus
This chart shows the total yearly precipitation in Hermanus, South Africa, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Weather experiences in Hermanus
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Average Weather in Hermanus by Month
Click on a month below to see detailed weather info for Hermanus. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
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