Bay
Holdfast Bay
South Australia · Australia · Great Australian Bight
-34.9710, 138.5081 · Glenelg North, 1 km
- 22°Sea · February
- 30°High · January
- 11.6 hSunshine · January
Your month at the beach
Holdfast Bay in January
- 30°CAir, daytime high16°C at night
- 21°CSea temperature
- 11.6 hSunshine a day
- 3 daysRainy days in the month15 mm in total
- 18 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Holdfast Bay in February
- 28°CAir, daytime high15°C at night
- 22°CSea temperature
- 10.6 hSunshine a day
- 2 daysRainy days in the month17 mm in total
- 17 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Holdfast Bay in March
- 26°CAir, daytime high14°C at night
- 21°CSea temperature
- 9.5 hSunshine a day
- 4 daysRainy days in the month25 mm in total
- 16 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Holdfast Bay in April
- 22°CAir, daytime high11°C at night
- 19°CSea temperature
- 7.8 hSunshine a day
- 6 daysRainy days in the month34 mm in total
- 14 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Holdfast Bay in May
- 18°CAir, daytime high9°C at night
- 17°CSea temperature
- 6.1 hSunshine a day
- 10 daysRainy days in the month53 mm in total
- 14 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Holdfast Bay in June
- 14°CAir, daytime high7°C at night
- 15°CSea temperature
- 5.5 hSunshine a day
- 13 daysRainy days in the month60 mm in total
- 14 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Holdfast Bay in July
- 14°CAir, daytime high6°C at night
- 13°CSea temperature
- 5.8 hSunshine a day
- 12 daysRainy days in the month60 mm in total
- 14 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Holdfast Bay in August
- 15°CAir, daytime high6°C at night
- 13°CSea temperature
- 6.8 hSunshine a day
- 12 daysRainy days in the month51 mm in total
- 15 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Holdfast Bay in September
- 18°CAir, daytime high8°C at night
- 14°CSea temperature
- 8.0 hSunshine a day
- 10 daysRainy days in the month47 mm in total
- 15 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Holdfast Bay in October
- 21°CAir, daytime high9°C at night
- 16°CSea temperature
- 9.3 hSunshine a day
- 6 daysRainy days in the month24 mm in total
- 15 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Holdfast Bay in November
- 25°CAir, daytime high12°C at night
- 18°CSea temperature
- 10.4 hSunshine a day
- 5 daysRainy days in the month22 mm in total
- 16 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Holdfast Bay in December
- 27°CAir, daytime high14°C at night
- 20°CSea temperature
- 10.9 hSunshine a day
- 4 daysRainy days in the month23 mm in total
- 17 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
The beach itself
- 210Places to stay within 5 kmHotels, guest houses, apartments and campsites · OpenStreetMap
- 3 kmAirport: Adelaide International Airport (ADL)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 22.9 °C — 1.6 °C above the 1991–2020 average.
1991–2020 average: 21.3 °C
1991–2020 average: 29.6 °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 23.1 °C — 1.3 °C above the 1991–2020 average.
1991–2020 average: 21.8 °C
1991–2020 average: 28.5 °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 23.2 °C — 2.1 °C above the 1991–2020 average.
1991–2020 average: 21.1 °C
1991–2020 average: 25.9 °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 20.9 °C — 1.6 °C above the 1991–2020 average.
1991–2020 average: 19.3 °C
1991–2020 average: 22.1 °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 18.5 °C — 1.3 °C above the 1991–2020 average.
1991–2020 average: 17.2 °C
1991–2020 average: 17.6 °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 15.2 °C — about the same as the 1991–2020 average.
1991–2020 average: 15.1 °C
1991–2020 average: 14.4 °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 13.3 °C — about the same as the 1991–2020 average.
1991–2020 average: 13.5 °C
1991–2020 average: 13.7 °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 13.3 °C — about the same as the 1991–2020 average.
1991–2020 average: 13.0 °C
1991–2020 average: 14.7 °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 14.5 °C — 0.6 °C above the 1991–2020 average.
1991–2020 average: 13.9 °C
1991–2020 average: 17.6 °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 16.6 °C — 0.9 °C above the 1991–2020 average.
1991–2020 average: 15.7 °C
1991–2020 average: 21.1 °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 17.9 °C — about the same as the 1991–2020 average.
1991–2020 average: 17.7 °C
1991–2020 average: 24.8 °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 20.2 °C — 0.6 °C above the 1991–2020 average.
1991–2020 average: 19.6 °C
1991–2020 average: 27.1 °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
- Jan21°12 h15 mm
- Feb22°11 h17 mm
- Mar21°10 h25 mm
- Apr19°8 h34 mm
- May17°6 h53 mm
- Jun15°6 h60 mm
- Jul13°6 h60 mm
- Aug13°7 h51 mm
- Sep14°8 h47 mm
- Oct16°9 h24 mm
- Nov18°10 h22 mm
- Dec20°11 h23 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 Holdfast Bay: air, sea, rain and sunshine. Averages for 1991–2020.
| Month | High°C | Low°C | Sea°C | Rainmm | Rainy daysdays | Sunshineh/day | Windkm/h |
|---|---|---|---|---|---|---|---|
| January | 30 | 16 | 21 | 15 | 3 | 11.6 | 18 |
| Februarywarmest sea | 28 | 15 | 22 | 17 | 2 | 10.6 | 17 |
| March | 26 | 14 | 21 | 25 | 4 | 9.5 | 16 |
| April | 22 | 11 | 19 | 34 | 6 | 7.8 | 14 |
| May | 18 | 9 | 17 | 53 | 10 | 6.1 | 14 |
| June | 14 | 7 | 15 | 60 | 13 | 5.5 | 14 |
| July | 14 | 6 | 13 | 60 | 12 | 5.8 | 14 |
| August | 15 | 6 | 13 | 51 | 12 | 6.8 | 15 |
| September | 18 | 8 | 14 | 47 | 10 | 8.0 | 15 |
| October | 21 | 9 | 16 | 24 | 6 | 9.3 | 15 |
| November | 25 | 12 | 18 | 22 | 5 | 10.4 | 16 |
| December | 27 | 14 | 20 | 23 | 4 | 10.9 | 17 |
Swipe sideways to see the other columns.
Photos
Photos shared by their authors on Wikimedia Commons, with its colours adjusted.
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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 | 22 km away |
| Sea temperature | NOAA OISST v2.1, 1991–2020 | 16 km away |
| 2020–2025, month by month | NASA POWER · NOAA OISST v2.1 | 22 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 |
More about this place: Wikipedia See every data source →