Bay
Negishi Wan
Kanagawa · Japan · Sea of Japan
35.3976, 139.6569 · Negishichō, 3 km
- 26°Sea · August
- 30°High · August
- 6.3 hSunshine · August
Your month at the beach
Negishi Wan in January
- 7°CAir, daytime high-2°C at night
- 15°CSea temperature
- 6.1 hSunshine a day
- 6 daysRainy days in the month66 mm in total
- 14 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Negishi Wan in February
- 8°CAir, daytime high-2°C at night
- 13°CSea temperature
- 5.8 hSunshine a day
- 7 daysRainy days in the month67 mm in total
- 14 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Negishi Wan in March
- 12°CAir, daytime high1°C at night
- 14°CSea temperature
- 5.8 hSunshine a day
- 10 daysRainy days in the month115 mm in total
- 15 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Negishi Wan in April
- 18°CAir, daytime high6°C at night
- 15°CSea temperature
- 6.1 hSunshine a day
- 11 daysRainy days in the month129 mm in total
- 16 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Negishi Wan in May
- 22°CAir, daytime high12°C at night
- 18°CSea temperature
- 5.9 hSunshine a day
- 12 daysRainy days in the month142 mm in total
- 14 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Negishi Wan in June
- 25°CAir, daytime high17°C at night
- 21°CSea temperature
- 4.2 hSunshine a day
- 15 daysRainy days in the month181 mm in total
- 12 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Negishi Wan in July
- 29°CAir, daytime high21°C at night
- 23°CSea temperature
- 4.9 hSunshine a day
- 17 daysRainy days in the month180 mm in total
- 13 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Negishi Wan in August
- 30°CAir, daytime high22°C at night
- 26°CSea temperature
- 6.3 hSunshine a day
- 15 daysRainy days in the month155 mm in total
- 12 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Negishi Wan in September
- 26°CAir, daytime high18°C at night
- 25°CSea temperature
- 4.6 hSunshine a day
- 15 daysRainy days in the month215 mm in total
- 13 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Negishi Wan in October
- 20°CAir, daytime high12°C at night
- 22°CSea temperature
- 4.2 hSunshine a day
- 12 daysRainy days in the month222 mm in total
- 13 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Negishi Wan in November
- 15°CAir, daytime high6°C at night
- 20°CSea temperature
- 4.8 hSunshine a day
- 9 daysRainy days in the month97 mm in total
- 12 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Negishi Wan in December
- 10°CAir, daytime high0°C at night
- 17°CSea temperature
- 5.5 hSunshine a day
- 7 daysRainy days in the month69 mm in total
- 13 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
The beach itself
- 304Places to stay within 5 kmHotels, guest houses, apartments and campsites · OpenStreetMap
- 21 kmAirport: Tokyo Haneda International Airport (HND)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 13.1 °C — 1.4 °C below the 1991–2020 average.
1991–2020 average: 14.5 °C
1991–2020 average: 6.9 °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 12.4 °C — 1.0 °C below the 1991–2020 average.
1991–2020 average: 13.4 °C
1991–2020 average: 8.4 °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 14.4 °C — 0.5 °C above the 1991–2020 average.
1991–2020 average: 13.9 °C
1991–2020 average: 12.4 °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 15.4 °C — about the same as the 1991–2020 average.
1991–2020 average: 15.4 °C
1991–2020 average: 17.5 °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 18.9 °C — 0.7 °C above the 1991–2020 average.
1991–2020 average: 18.2 °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.
June from 2020 to 2025
In June 2025 the sea averaged 23.2 °C — 2.2 °C above the 1991–2020 average.
1991–2020 average: 21.0 °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.
July from 2020 to 2025
In July 2025 the sea averaged 26.9 °C — 3.4 °C above the 1991–2020 average.
1991–2020 average: 23.4 °C
1991–2020 average: 28.6 °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 27.6 °C — 1.8 °C above the 1991–2020 average.
1991–2020 average: 25.8 °C
1991–2020 average: 29.9 °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 27.0 °C — 2.2 °C above the 1991–2020 average.
1991–2020 average: 24.8 °C
1991–2020 average: 26.0 °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 23.0 °C — 0.9 °C above the 1991–2020 average.
1991–2020 average: 22.1 °C
1991–2020 average: 20.4 °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 17.8 °C — 1.7 °C below the 1991–2020 average.
1991–2020 average: 19.5 °C
1991–2020 average: 15.3 °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 16.0 °C — 0.7 °C below the 1991–2020 average.
1991–2020 average: 16.7 °C
1991–2020 average: 9.7 °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
- Jan15°6 h66 mm
- Feb13°6 h67 mm
- Mar14°6 h115 mm
- Apr15°6 h129 mm
- May18°6 h142 mm
- Jun21°4 h181 mm
- Jul23°5 h180 mm
- Aug26°6 h155 mm
- Sep25°5 h215 mm
- Oct22°4 h222 mm
- Nov20°5 h97 mm
- Dec17°6 h69 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 Negishi Wan: air, sea, rain and sunshine. Averages for 1991–2020.
| Month | High°C | Low°C | Sea°C | Rainmm | Rainy daysdays | Sunshineh/day | Windkm/h |
|---|---|---|---|---|---|---|---|
| January | 7 | -2 | 15 | 66 | 6 | 6.1 | 14 |
| February | 8 | -2 | 13 | 67 | 7 | 5.8 | 14 |
| March | 12 | 1 | 14 | 115 | 10 | 5.8 | 15 |
| April | 18 | 6 | 15 | 129 | 11 | 6.1 | 16 |
| May | 22 | 12 | 18 | 142 | 12 | 5.9 | 14 |
| June | 25 | 17 | 21 | 181 | 15 | 4.2 | 12 |
| July | 29 | 21 | 23 | 180 | 17 | 4.9 | 13 |
| Augustwarmest sea | 30 | 22 | 26 | 155 | 15 | 6.3 | 12 |
| September | 26 | 18 | 25 | 215 | 15 | 4.6 | 13 |
| October | 20 | 12 | 22 | 222 | 12 | 4.2 | 13 |
| November | 15 | 6 | 20 | 97 | 9 | 4.8 | 12 |
| December | 10 | 0 | 17 | 69 | 7 | 5.5 | 13 |
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 | 20 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 |
More about this place: Wikipedia See every data source →