Hermanus weather and climate
Hermanus weather and climate
Day
20 °C
Night
11 °C
Sea
16 °C
Precipitation
69 mm
in month
Rainy days
8 days
in month
Daylight
10 hours
average
Sunshine
6 hours
average
Humidity
76 %
Day
20 °C
Night
11 °C
Sea
16 °C
Precipitation
69 mm
in month
Rainy days
8 days
in month
Daylight
10 hours
average
Sunshine
6 hours
average
Humidity
76 %
Overview: Hermanus
Weather charts for Hermanus
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.
Find more destinations like this
Destinations with similar weather to Hermanus
Other destinations in Western Cape - South Africa
Closest cities for Hermanus
Weather overview for Hermanus
Weather overview
Hermanus (South Africa) in general has a hot climate. The day temperatures range from 17 °C (63 °F) in July to 25 °C (76 °F) in January. The least rainy month in Hermanus is January with its 4 days of rain, the rainiest month is June, when it rains 10 days. Temperatures during the night go from 9 °C (47 °F) in July to 16 °C (60 °F) in February. The highest sea temperatures in Hermanus are in January with 19 °C (66 °F) and the lowest in August with 15 °C (59 °F).
January weather
The day temperature is on its maximum in Hermanus, and the maximum of the sea temperature is observable as well in this month. The minimum of the number of rainy days is observable in this month. The maximum of the number of sun hours (without clouds) is observable, with its value being 10 hours. The tourist season is taking place. The maximum of the wind speed is observable, with its value being 5.
February weather
The tourist season is taking place in Hermanus, and the dry season is close to its peak too this month. The maximum of the night temperature is observable in February. The number of sun hours (without clouds) descent's start could be observed, with its value being 9 hours.
March weather
The day temperature starts to descent, its value is 23 °C (74 °F) in Hermanus, and the sea temperature descent's start could be observed too, with its value of 18 °C (64 °F). The tourist season is taking place this month. The beginning of the rise of the rainfall amount could be noticed, with its value being 29 mm (1.15 in). The beginning of the descent of the night temperature could be noticed. The number of sun hours (without clouds) descents similarly to the previous month, the value of this measure is 8 hours.
April weather
The descent of the day temperature can be observed, its value is 21 °C (70 °F) in Hermanus, and the descent of the sea temperature can be observed as well, with its value being 16 °C (62 °F). The number of rainy days rise's start could be observed, the value of this measure is 7 days, while the rainfall amount continues to rise, with its value of 54 mm (2.12 in). The descent of the night temperature can be observed, the value of this measure is 13 °C (55 °F). The number of sun hours (without clouds) continues to descent, the value of this measure is 7 hours.
May weather
The day temperature continues to descent, its value is 20 °C (67 °F) in Hermanus, and the descent of the night temperature can be observed as well, the value of this measure is 11 °C (52 °F). The rise of the rainfall amount can be observed, with its value of 69 mm (2.71 in), and the number of rainy days rises similarly to the previous month as well. The descent of the number of sun hours (without clouds) can be observed, its value is 6 hours. The minimum of the wind speed is observable in this month.
June weather
The maximum of the number of rainy days can be noticed, with its value being 10 days in Hermanus, while the rise of the rainfall amount can be observed, the value of this measure is 87 mm (3.41 in). The day temperature continues to descent, with its value being 18 °C (64 °F), and the descent of the night temperature can be observed too, with its value of 9 °C (49 °F). The minimum of the number of sun hours (without clouds) can be noticed in this month. The day length is on its minimum in June.
July weather
The beginning of the descent of the sea temperature could be noticed, with its value of 15 °C (59 °F) in Hermanus, while the minimum of the day temperature is observable, its value is 17 °C (63 °F). The maximum of the rainfall amount can be noticed in this month. The night temperature is on its minimum, its value is 9 °C (47 °F). The beginning of the rise of the number of sun hours (without clouds) could be noticed, with its value being 6 hours.
August weather
The rainfall amount descent's start could be observed, with its value of 86 mm (3.37 in) in Hermanus. The minimum of the sea temperature is observable in this month. The number of sun hours (without clouds) rises similarly to the previous month, with its value of 6 hours. The maximum of the humidity is observable, its value is 76 %.
September weather
The number of rainy days starts to descent, the value of this measure is 8 days in Hermanus, while the descent of the rainfall amount can be observed, its value is 53 mm (2.10 in). The beginning of the rise of the day temperature could be noticed, with its value of 18 °C (65 °F), and the night temperature rise's start could be observed too, the value of this measure is 10 °C (51 °F). The rise of the number of sun hours (without clouds) can be observed, with its value being 7 hours.
October weather
The sea temperature starts to rise, with its value being 16 °C (61 °F) in Hermanus, while the day temperature rises similarly to the previous month, with its value of 20 °C (69 °F). The number of rainy days continues to descent, its value is 6 days. The night temperature continues to rise, with its value of 12 °C (54 °F). The rise of the number of sun hours (without clouds) can be observed.
November weather
The day temperature rises similarly to the previous month, the value of this measure is 22 °C (72 °F) in Hermanus, and the sea temperature continues to rise too, its value is 17 °C (62 °F). The dry season is about to start. The number of rainy days descents similarly to the previous month, with its value being 5 days. The number of sun hours (without clouds) rises similarly to the previous month, the value of this measure is 9 hours. The rise of the night temperature can be observed, with its value being 13 °C (56 °F).
December weather
The day temperature rises similarly to the previous month, with its value being 24 °C (75 °F) in Hermanus, and the sea temperature rises similarly to the previous month as well. The tourist season is about to start. The number of rainy days continues to descent, its value is 5 days, while the minimum of the rainfall amount is observable, the value of this measure is 21 mm (0.81 in). The minimum of the humidity is observable in this month.
FAQs
Is it hot in January in Hermanus?
In Hermanus in January, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
What is the temperature in Hermanus during the day in February?
The average daily temperature in February in Hermanus is 25 °C (76 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.
Is March part of the wet season in Hermanus?
No, there is no wet season in Hermanus in March - you can expect 5 days of rain during the month.
How many days of precipitation on average can I expect in Hermanus in April?
There are 7 days, which are rainy in Hermanus in April, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.6 days of the week, or in general - 23 % days.
How windy is it in Hermanus in May?
In May in Hermanus, there will be an average wind scale of 4.
Is there a dry season in Hermanus in June?
No, June is not a dry month in Hermanus, expect rain approximately 10 days in a month.
How many hours of sun to expect in Hermanus in August?
In August in Hermanus, you can expect around 6 hours of sunshine.
How humid is Hermanus in September?
Humidity in Hermanus in September is 75 %.
What is the air temperature in Hermanus in October at night?
The average night temperature in October in Hermanus is 12 °C (54 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold.
Are there good conditions to visit in Hermanus in November?
Hermanus can be visited in November - the weather will be moderate. The temperature of 13 °C (56 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
What is the sea temperature in Hermanus in December?
The temperature of the sea in Hermanus in December is 18 °C (65 °F). At this sea temperature, swimming probably won't be the best experience. You probably won't like to stay in water for a long time. On the other hand, there are a minority of people who seek these conditions.