Beach
Glen Beach
Western Cape · South Africa · Atlantic Ocean
-33.8667, 18.3833 · Cape Town, 8 km
- 17°Sea · February
- 22°High · February
- 12.7 hSunshine · January
Your month at the beach
Glen Beach in January
- 22°CAir, daytime high18°C at night
- 17°CSea temperature
- 12.7 hSunshine a day
- 3 daysRainy days in the month14 mm in total
- 26 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Glen Beach in February
- 22°CAir, daytime high19°C at night
- 17°CSea temperature
- 11.9 hSunshine a day
- 2 daysRainy days in the month9 mm in total
- 25 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Glen Beach in March
- 21°CAir, daytime high18°C at night
- 17°CSea temperature
- 10.5 hSunshine a day
- 4 daysRainy days in the month17 mm in total
- 22 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Glen Beach in April
- 19°CAir, daytime high16°C at night
- 16°CSea temperature
- 8.7 hSunshine a day
- 6 daysRainy days in the month37 mm in total
- 21 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Glen Beach in May
- 18°CAir, daytime high15°C at night
- 15°CSea temperature
- 6.7 hSunshine a day
- 10 daysRainy days in the month51 mm in total
- 20 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Glen Beach in June
- 16°CAir, daytime high14°C at night
- 15°CSea temperature
- 6.2 hSunshine a day
- 11 daysRainy days in the month91 mm in total
- 21 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Glen Beach in July
- 16°CAir, daytime high13°C at night
- 15°CSea temperature
- 6.8 hSunshine a day
- 10 daysRainy days in the month81 mm in total
- 21 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Glen Beach in August
- 16°CAir, daytime high13°C at night
- 14°CSea temperature
- 7.3 hSunshine a day
- 11 daysRainy days in the month76 mm in total
- 22 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Glen Beach in September
- 16°CAir, daytime high14°C at night
- 15°CSea temperature
- 8.7 hSunshine a day
- 9 daysRainy days in the month40 mm in total
- 22 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Glen Beach in October
- 18°CAir, daytime high15°C at night
- 15°CSea temperature
- 10.5 hSunshine a day
- 6 daysRainy days in the month31 mm in total
- 23 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Glen Beach in November
- 19°CAir, daytime high16°C at night
- 16°CSea temperature
- 11.9 hSunshine a day
- 5 daysRainy days in the month30 mm in total
- 25 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Glen Beach in December
- 21°CAir, daytime high17°C at night
- 17°CSea temperature
- 12.6 hSunshine a day
- 3 daysRainy days in the month12 mm in total
- 25 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
The beach itself
- 16Places to stay within 5 kmHotels, guest houses, apartments and campsites · OpenStreetMap
- 24 kmAirport: Cape Town International Airport (CPT)In a straight line; by road it is further
No reliable information yet on: bathing water quality, wheelchair access, lifeguards.
January from 2020 to 2025
In January 2025 the sea averaged 16.1 °C — 1.4 °C below the 1991–2020 average.
1991–2020 average: 17.5 °C
1991–2020 average: 21.7 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
February from 2020 to 2025
In February 2025 the sea averaged 14.6 °C — 2.9 °C below the 1991–2020 average.
1991–2020 average: 17.5 °C
1991–2020 average: 22.0 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
March from 2020 to 2025
In March 2025 the sea averaged 15.0 °C — 1.7 °C below the 1991–2020 average.
1991–2020 average: 16.7 °C
1991–2020 average: 21.0 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
April from 2020 to 2025
In April 2025 the sea averaged 14.0 °C — 1.5 °C below the 1991–2020 average.
1991–2020 average: 15.5 °C
1991–2020 average: 19.4 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
May from 2020 to 2025
In May 2025 the sea averaged 14.5 °C — 0.8 °C below the 1991–2020 average.
1991–2020 average: 15.3 °C
1991–2020 average: 17.9 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
June from 2020 to 2025
In June 2025 the sea averaged 15.0 °C — about the same as the 1991–2020 average.
1991–2020 average: 15.0 °C
1991–2020 average: 16.4 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
July from 2020 to 2025
In July 2025 the sea averaged 15.6 °C — 1.0 °C above the 1991–2020 average.
1991–2020 average: 14.6 °C
1991–2020 average: 15.8 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
August from 2020 to 2025
In August 2025 the sea averaged 14.8 °C — 0.3 °C above the 1991–2020 average.
1991–2020 average: 14.5 °C
1991–2020 average: 15.6 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
September from 2020 to 2025
In September 2025 the sea averaged 14.4 °C — 0.4 °C below the 1991–2020 average.
1991–2020 average: 14.8 °C
1991–2020 average: 16.5 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
October from 2020 to 2025
In October 2025 the sea averaged 14.2 °C — 1.0 °C below the 1991–2020 average.
1991–2020 average: 15.2 °C
1991–2020 average: 17.8 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
November from 2020 to 2025
In November 2025 the sea averaged 13.5 °C — 2.6 °C below the 1991–2020 average.
1991–2020 average: 16.1 °C
1991–2020 average: 19.1 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
December from 2020 to 2025
In December 2025 the sea averaged 14.2 °C — 2.9 °C below the 1991–2020 average.
1991–2020 average: 17.1 °C
1991–2020 average: 20.7 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
When to go
1991–2020 averagesThe year at a glance
- Jan17°13 h14 mm
- Feb17°12 h9 mm
- Mar17°10 h17 mm
- Apr16°9 h37 mm
- May15°7 h51 mm
- Jun15°6 h91 mm
- Jul15°7 h81 mm
- Aug14°7 h76 mm
- Sep15°9 h40 mm
- Oct15°10 h31 mm
- Nov16°12 h30 mm
- Dec17°13 h12 mm
Each card is a month. The colour is the sea temperature, on the same scale as the map; in bold, the two best months for each.
Sea temperature
1991–2020 averagesClimate through the year
1991–2020 averagesRain
Sunshine
Sunshine hours are estimated from measured solar radiation, not observed directly.
Month by month
1991–2020 averagesEvery month at Glen Beach: air, sea, rain and sunshine. Averages for 1991–2020.
| Month | High°C | Low°C | Sea°C | Rainmm | Rainy daysdays | Sunshineh/day | Windkm/h |
|---|---|---|---|---|---|---|---|
| January | 22 | 18 | 17 | 14 | 3 | 12.7 | 26 |
| Februarywarmest sea | 22 | 19 | 17 | 9 | 2 | 11.9 | 25 |
| March | 21 | 18 | 17 | 17 | 4 | 10.5 | 22 |
| April | 19 | 16 | 16 | 37 | 6 | 8.7 | 21 |
| May | 18 | 15 | 15 | 51 | 10 | 6.7 | 20 |
| June | 16 | 14 | 15 | 91 | 11 | 6.2 | 21 |
| July | 16 | 13 | 15 | 81 | 10 | 6.8 | 21 |
| August | 16 | 13 | 14 | 76 | 11 | 7.3 | 22 |
| September | 16 | 14 | 15 | 40 | 9 | 8.7 | 22 |
| October | 18 | 15 | 15 | 31 | 6 | 10.5 | 23 |
| November | 19 | 16 | 16 | 30 | 5 | 11.9 | 25 |
| December | 21 | 17 | 17 | 12 | 3 | 12.6 | 25 |
Swipe sideways to see the other columns.
About these numbers
Averages are for 1991–2020; the recent years (2020–2025) are what actually happened. Neither is today's weather.
| What | Where it comes from | Nearest measurement |
|---|---|---|
| Air, rain and sunshine | NASA POWER | 28 km away |
| Sea temperature | NOAA OISST v2.1, 1991–2020 | 1 km away |
| 2020–2025, month by month | NASA POWER · NOAA OISST v2.1 | 28 km away |
| Lifeguards and places to stay | OpenStreetMap | within 1–5 km |
| Nearest airport | OurAirports | straight-line distance |
| Image at the top | Sentinel-2 cloudless (EOX) | at this spot |