Beach
Sans Souci Beach
Hawaii · United States · Pacific Ocean
21.2682, -157.8229 · Diamond Head / Kapahulu / Saint Louis Heights, 2 km
- 27°Sea · September
- 28°High · September
- 10.6 hSunshine · June
Your month at the beach
Sans Souci Beach in January
- 24°CAir, daytime high22°C at night
- 24°CSea temperature
- 7.8 hSunshine a day
- 10 daysRainy days in the month71 mm in total
- 20 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Sans Souci Beach in February
- 24°CAir, daytime high21°C at night
- 24°CSea temperature
- 7.8 hSunshine a day
- 11 daysRainy days in the month82 mm in total
- 21 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Sans Souci Beach in March
- 24°CAir, daytime high21°C at night
- 24°CSea temperature
- 8.1 hSunshine a day
- 11 daysRainy days in the month94 mm in total
- 22 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Sans Souci Beach in April
- 25°CAir, daytime high22°C at night
- 24°CSea temperature
- 9.2 hSunshine a day
- 10 daysRainy days in the month54 mm in total
- 23 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Sans Souci Beach in May
- 26°CAir, daytime high23°C at night
- 25°CSea temperature
- 10.1 hSunshine a day
- 9 daysRainy days in the month46 mm in total
- 21 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Sans Souci Beach in June
- 27°CAir, daytime high24°C at night
- 26°CSea temperature
- 10.6 hSunshine a day
- 8 daysRainy days in the month37 mm in total
- 25 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Sans Souci Beach in July
- 27°CAir, daytime high24°C at night
- 26°CSea temperature
- 10.6 hSunshine a day
- 8 daysRainy days in the month40 mm in total
- 26 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Sans Souci Beach in August
- 28°CAir, daytime high25°C at night
- 27°CSea temperature
- 10.2 hSunshine a day
- 7 daysRainy days in the month44 mm in total
- 25 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Sans Souci Beach in September
- 28°CAir, daytime high25°C at night
- 27°CSea temperature
- 9.7 hSunshine a day
- 9 daysRainy days in the month50 mm in total
- 23 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Sans Souci Beach in October
- 27°CAir, daytime high24°C at night
- 27°CSea temperature
- 8.4 hSunshine a day
- 12 daysRainy days in the month74 mm in total
- 21 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Sans Souci Beach in November
- 26°CAir, daytime high24°C at night
- 26°CSea temperature
- 7.7 hSunshine a day
- 13 daysRainy days in the month86 mm in total
- 22 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Sans Souci Beach in December
- 25°CAir, daytime high22°C at night
- 25°CSea temperature
- 7.3 hSunshine a day
- 13 daysRainy days in the month93 mm in total
- 22 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
The beach itself
- LifeguardedLifeguardsUsually only in the bathing season · OpenStreetMap
- 179Places to stay within 5 kmHotels, guest houses, apartments and campsites · OpenStreetMap
- 12 kmAirport: Daniel K. Inouye International Airport (HNL)In a straight line; by road it is further
No reliable information yet on: bathing water quality, wheelchair access.
January from 2020 to 2025
In January 2025 the sea averaged 25.4 °C — 1.0 °C above the 1991–2020 average.
1991–2020 average: 24.4 °C
1991–2020 average: 24.4 °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 25.0 °C — 1.0 °C above the 1991–2020 average.
1991–2020 average: 24.0 °C
1991–2020 average: 24.1 °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 24.9 °C — 0.9 °C above the 1991–2020 average.
1991–2020 average: 24.0 °C
1991–2020 average: 24.3 °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 25.4 °C — 1.0 °C above the 1991–2020 average.
1991–2020 average: 24.4 °C
1991–2020 average: 25.1 °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 25.7 °C — 0.7 °C above the 1991–2020 average.
1991–2020 average: 25.0 °C
1991–2020 average: 26.2 °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 26.0 °C — 0.3 °C above the 1991–2020 average.
1991–2020 average: 25.7 °C
1991–2020 average: 26.9 °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 26.4 °C — 0.4 °C above the 1991–2020 average.
1991–2020 average: 26.0 °C
1991–2020 average: 27.4 °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 27.1 °C — 0.6 °C above the 1991–2020 average.
1991–2020 average: 26.5 °C
1991–2020 average: 27.8 °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 27.1 °C — about the same as the 1991–2020 average.
1991–2020 average: 26.8 °C
1991–2020 average: 27.9 °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 27.1 °C — 0.4 °C above the 1991–2020 average.
1991–2020 average: 26.7 °C
1991–2020 average: 27.3 °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 26.2 °C — about the same as the 1991–2020 average.
1991–2020 average: 26.0 °C
1991–2020 average: 26.1 °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 25.9 °C — 0.8 °C above the 1991–2020 average.
1991–2020 average: 25.1 °C
1991–2020 average: 24.9 °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
- Jan24°8 h71 mm
- Feb24°8 h82 mm
- Mar24°8 h94 mm
- Apr24°9 h54 mm
- May25°10 h46 mm
- Jun26°11 h37 mm
- Jul26°11 h40 mm
- Aug27°10 h44 mm
- Sep27°10 h50 mm
- Oct27°8 h74 mm
- Nov26°8 h86 mm
- Dec25°7 h93 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 Sans Souci 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 | 24 | 22 | 24 | 71 | 10 | 7.8 | 20 |
| February | 24 | 21 | 24 | 82 | 11 | 7.8 | 21 |
| March | 24 | 21 | 24 | 94 | 11 | 8.1 | 22 |
| April | 25 | 22 | 24 | 54 | 10 | 9.2 | 23 |
| May | 26 | 23 | 25 | 46 | 9 | 10.1 | 21 |
| June | 27 | 24 | 26 | 37 | 8 | 10.6 | 25 |
| July | 27 | 24 | 26 | 40 | 8 | 10.6 | 26 |
| August | 28 | 25 | 27 | 44 | 7 | 10.2 | 25 |
| Septemberwarmest sea | 28 | 25 | 27 | 50 | 9 | 9.7 | 23 |
| October | 27 | 24 | 27 | 74 | 12 | 8.4 | 21 |
| November | 26 | 24 | 26 | 86 | 13 | 7.7 | 22 |
| December | 25 | 22 | 25 | 93 | 13 | 7.3 | 22 |
Swipe sideways to see the other columns.
Photos
Photos shared by their authors on Wikimedia Commons, with its colours adjusted.
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Nearby destinations
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 | 40 km away |
| Sea temperature | NOAA OISST v2.1, 1991–2020 | 13 km away |
| 2020–2025, month by month | NASA POWER · NOAA OISST v2.1 | 40 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 |