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Arniston
Water Temperature in the Indian Ocean in Arniston, South Africa: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Arniston in South Africa, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Current Water Temperature in Arniston
20.3°C
TODAY
19.9°C
YESTERDAY
19.5°C
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Indian Ocean in Arniston is 20.3°C. The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart for Indian Ocean in Arniston Over the Last 30 Days
The water temperature in Arniston today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.
According to our forecast, the sea temperature in Arniston will remain nearly unchanged in the coming days, its value will be 20.4°C.
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts across South Africa to enhance accuracy.
Water temperature data for Arniston and nearby towns and resorts is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| Mar 5 | 19.5°C | 21.8°C | |
| Mar 6 | 19.7°C | 21.0°C | |
| Mar 7 | 20.1°C | 20.8°C | |
| Mar 8 | 19.7°C | 21.0°C | |
| Mar 9 | 19.8°C | 21.0°C | |
| Mar 10 | 20.0°C | 20.3°C | |
| Mar 11 | 19.9°C | 20.3°C | |
| Mar 12 | 20.3°C | 20.0°C | |
| Mar 13 | 20.5°C | 20.3°C | |
| Mar 14 | 20.3°C | 20.3°C | |
| Mar 15 | 20.0°C | 20.3°C | |
| Mar 16 | 20.8°C | 20.4°C | |
| Mar 17 | 21.3°C | 20.5°C | |
| Mar 18 | 20.5°C | 20.5°C | |
| Mar 19 | 20.5°C | 20.5°C | |
| Mar 20 | 20.0°C | 20.4°C |
Sea Temperature in Arniston Throughout the Year
Throughout the year, the sea temperature in Arniston exceeds 77°F (25°C) for 0 days, exceeds 72°F (22°C) for 0 days, and exceeds 64°F (18°C) for 144 days.
Below is the annual chart of sea temperature changes in the Indian Ocean in Arniston.
January
| Minimum | Average | Maximum |
|---|---|---|
| 19°C | 21°C | 23°C |
February
| Minimum | Average | Maximum |
|---|---|---|
| 19°C | 21°C | 23°C |
March
| Minimum | Average | Maximum |
|---|---|---|
| 18°C | 20.5°C | 23°C |
April
| Minimum | Average | Maximum |
|---|---|---|
| 15°C | 18°C | 21°C |
May
| Minimum | Average | Maximum |
|---|---|---|
| 15°C | 17°C | 19°C |
June
| Minimum | Average | Maximum |
|---|---|---|
| 14°C | 16°C | 18°C |
July
| Minimum | Average | Maximum |
|---|---|---|
| 13°C | 15°C | 17°C |
August
| Minimum | Average | Maximum |
|---|---|---|
| 13°C | 14.5°C | 16°C |
September
| Minimum | Average | Maximum |
|---|---|---|
| 13°C | 15°C | 17°C |
October
| Minimum | Average | Maximum |
|---|---|---|
| 14°C | 16°C | 18°C |
November
| Minimum | Average | Maximum |
|---|---|---|
| 15°C | 17.5°C | 20°C |
December
| Minimum | Average | Maximum |
|---|---|---|
| 17°C | 19.5°C | 22°C |
Monthly Water Temperature Histogram for Indian Ocean in Arniston
You can explore detailed data on how the water temperature in Arniston varies each month:
What Beaches Are There In and Around Arniston?
Arniston Beach
Arniston Beach is a 4-stars sandy beach, is located directly in Arniston. There is parking. There are restrooms. There are cafés. Arniston Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. There is a shark hazard on the beach. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Roman Beach
Roman Beach is a 3-stars sandy beach, is located directly in Arniston. There are lifeguards on the beach. There are cafés. Roman Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. It is suitable for surfing.
Arniston
Arniston is a 5-stars sandy beach, is located directly in Arniston. There is parking. There are restrooms. There are cafés. Arniston is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Die Otter Beach
Die Otter Beach is a 2-stars sandy beach, is located directly in Arniston. Die Otter Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. It is suitable for surfing.
Arniston Weather
MARCH 13
19°C / 21°C
light rainhumidity: 80% | wind: 15 km/h
MARCH 14
20°C / 25°C
few clouds: 11-25%humidity: 76% | wind: 7 km/h
MARCH 15
20°C / 23°C
overcast clouds: 85-100%humidity: 80% | wind: 5 km/h
MARCH 16
21°C / 21°C
overcast clouds: 85-100%humidity: 82% | wind: 2 km/h
Sea Temperature in the Indian Ocean in Arniston: General Trends and Swimming Opportunities
The Western Cape region of South Africa, particularly its coastal areas, experience a Mediterranean climate characterized by warm, dry summers and mild, wet winters. The average temperatures range from 15°C in winter to 27°C in summer.
Arniston is located in Africa in the Southern Hemisphere at a latitude of -35 degrees, along the shores of the Indian Ocean. Arniston lies within the Western Cape in South Africa.
The average annual daytime air temperature in Arniston is 22°C (72°F), with the average nighttime temperature being 12°C (54°F). The highest average daily temperature occurs in February, reaching 26°C (78°F), while the lowest is in July at 19°C (66°F). As for nighttime temperatures, the minimum average temperature of 9°C (47°F) is recorded in July, and the maximum is in February, reaching 16°C (60°F).
According to historical data, Arniston experiences 82 rainy days per year, which accounts for 22 percent of all days in the year. On average, there are 7 rainy days each month. The wettest month is August, with 8 rainy days and 86 mm (3.4 inches) of precipitation, while the driest month is January, which typically has 6 rainy days and only 24 mm (0.9 inches) of precipitation.
The average annual water temperature in Indian Ocean in Arniston is 18°C (64°F). In July, the water reaches its lowest point of the year at 13°C (55°F), while in January, it peaks at 23°C (73°F). In Arniston, the water temperature in the Indian Ocean never consistently reaches a comfortable level for swimming in any month.
Geographical Location of Arniston
Nearby Cities
Frequently Asked Questions About Arniston and its Water Temperatures
What is the current sea temperature in Arniston?
The water temperature today in the Indian Ocean in Arniston is 69°F (20.3°C).
In which months is the water temperature in Arniston comfortable for swimming?
It cannot be guaranteed that the water temperature in Arniston will be comfortable for swimming in any month of the year.
What is the water temperature in Arniston during the winter?
The water temperature in the Indian Ocean in Arniston during the winter ranges from 17°C to 23°C (63°F to 73°F).
What is the water temperature in Arniston during the spring?
The water temperature in the Indian Ocean in Arniston during the spring ranges from 15°C to 23°C (59°F to 73°F).
What is the water temperature in Arniston during the summer?
The water temperature in the Indian Ocean in Arniston during the summer ranges from 13°C to 18°C (55°F to 64°F).
What is the water temperature in Arniston during the fall?
The water temperature in the Indian Ocean in Arniston during the fall ranges from 13°C to 20°C (55°F to 68°F).
Is it possible to swim in the sea in Arniston at any time of the year?
The Indian Ocean in Arniston is quite cool, and swimming is only possible in January, February, March, April, and December when the water temperature reaches 21°C (70°F).
What sea temperatures can I expect in Arniston in the next month?
In April, the water temperature in the Indian Ocean in Arniston will range between 59°F (15°C) and 70°F (21°C)