Beach
Cornwall Beach
Saint James Parish · Jamaica · Caribbean Sea
18.4884, -77.9286 · Montego Bay, 2 km
- 30°Sea · September
- 31°High · August
- 9.2 hSunshine · April
Your month at the beach
Cornwall Beach in January
- 28°CAir, daytime high24°C at night
- 27°CSea temperature
- 7.5 hSunshine a day
- 11 daysRainy days in the month44 mm in total
- 21 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Cornwall Beach in February
- 28°CAir, daytime high24°C at night
- 27°CSea temperature
- 8.4 hSunshine a day
- 8 daysRainy days in the month34 mm in total
- 20 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Cornwall Beach in March
- 29°CAir, daytime high24°C at night
- 27°CSea temperature
- 9.0 hSunshine a day
- 12 daysRainy days in the month47 mm in total
- 19 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Cornwall Beach in April
- 30°CAir, daytime high26°C at night
- 28°CSea temperature
- 9.2 hSunshine a day
- 12 daysRainy days in the month57 mm in total
- 17 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Cornwall Beach in May
- 30°CAir, daytime high26°C at night
- 28°CSea temperature
- 8.4 hSunshine a day
- 20 daysRainy days in the month150 mm in total
- 18 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Cornwall Beach in June
- 30°CAir, daytime high27°C at night
- 29°CSea temperature
- 8.0 hSunshine a day
- 23 daysRainy days in the month150 mm in total
- 20 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Cornwall Beach in July
- 30°CAir, daytime high27°C at night
- 29°CSea temperature
- 8.6 hSunshine a day
- 24 daysRainy days in the month109 mm in total
- 19 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Cornwall Beach in August
- 31°CAir, daytime high27°C at night
- 29°CSea temperature
- 8.5 hSunshine a day
- 26 daysRainy days in the month146 mm in total
- 17 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Cornwall Beach in September
- 30°CAir, daytime high27°C at night
- 30°CSea temperature
- 8.0 hSunshine a day
- 27 daysRainy days in the month190 mm in total
- 14 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Cornwall Beach in October
- 30°CAir, daytime high27°C at night
- 29°CSea temperature
- 7.1 hSunshine a day
- 26 daysRainy days in the month217 mm in total
- 16 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Cornwall Beach in November
- 29°CAir, daytime high26°C at night
- 29°CSea temperature
- 7.3 hSunshine a day
- 17 daysRainy days in the month131 mm in total
- 20 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Cornwall Beach in December
- 28°CAir, daytime high25°C at night
- 28°CSea temperature
- 7.6 hSunshine a day
- 12 daysRainy days in the month50 mm in total
- 21 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
The beach itself
- 43Places to stay within 5 kmHotels, guest houses, apartments and campsites · OpenStreetMap Places to stay near Cornwall Beach ↗
- 2 kmAirport: Sangster International Airport (MBJ)In a straight line; by road it is further Car hire at Sangster International Airport (MBJ) ↗
No reliable information yet on: bathing water quality, wheelchair access, lifeguards.
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
January from 2020 to 2025
In January 2025 the sea averaged 27.7 °C — 0.5 °C above the 1991–2020 average.
1991–2020 average: 27.2 °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.
February from 2020 to 2025
In February 2025 the sea averaged 27.6 °C — 0.7 °C above the 1991–2020 average.
1991–2020 average: 26.9 °C
1991–2020 average: 28.3 °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 28.1 °C — 1.2 °C above the 1991–2020 average.
1991–2020 average: 26.9 °C
1991–2020 average: 29.0 °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 28.0 °C — 0.5 °C above the 1991–2020 average.
1991–2020 average: 27.5 °C
1991–2020 average: 30.0 °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 28.6 °C — 0.4 °C above the 1991–2020 average.
1991–2020 average: 28.2 °C
1991–2020 average: 30.3 °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 29.1 °C — 0.5 °C above the 1991–2020 average.
1991–2020 average: 28.6 °C
1991–2020 average: 30.3 °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 29.3 °C — about the same as the 1991–2020 average.
1991–2020 average: 29.0 °C
1991–2020 average: 30.5 °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 29.9 °C — 0.5 °C above the 1991–2020 average.
1991–2020 average: 29.4 °C
1991–2020 average: 30.7 °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 30.4 °C — 0.6 °C above the 1991–2020 average.
1991–2020 average: 29.8 °C
1991–2020 average: 30.4 °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 30.4 °C — 1.0 °C above the 1991–2020 average.
1991–2020 average: 29.4 °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.
November from 2020 to 2025
In November 2025 the sea averaged 29.2 °C — 0.6 °C above the 1991–2020 average.
1991–2020 average: 28.6 °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.
December from 2020 to 2025
In December 2025 the sea averaged 28.7 °C — 0.8 °C above the 1991–2020 average.
1991–2020 average: 27.9 °C
1991–2020 average: 28.2 °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
- Jan27°8 h44 mm
- Feb27°8 h34 mm
- Mar27°9 h47 mm
- Apr28°9 h57 mm
- May28°8 h150 mm
- Jun29°8 h150 mm
- Jul29°9 h109 mm
- Aug29°8 h146 mm
- Sep30°8 h190 mm
- Oct29°7 h217 mm
- Nov29°7 h131 mm
- Dec28°8 h50 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 Cornwall 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 | 28 | 24 | 27 | 44 | 11 | 7.5 | 21 |
| February | 28 | 24 | 27 | 34 | 8 | 8.4 | 20 |
| March | 29 | 24 | 27 | 47 | 12 | 9.0 | 19 |
| April | 30 | 26 | 28 | 57 | 12 | 9.2 | 17 |
| May | 30 | 26 | 28 | 150 | 20 | 8.4 | 18 |
| June | 30 | 27 | 29 | 150 | 23 | 8.0 | 20 |
| July | 30 | 27 | 29 | 109 | 24 | 8.6 | 19 |
| August | 31 | 27 | 29 | 146 | 26 | 8.5 | 17 |
| Septemberwarmest sea | 30 | 27 | 30 | 190 | 27 | 8.0 | 14 |
| October | 30 | 27 | 29 | 217 | 26 | 7.1 | 16 |
| November | 29 | 26 | 29 | 131 | 17 | 7.3 | 20 |
| December | 28 | 25 | 28 | 50 | 12 | 7.6 | 21 |
Swipe sideways to see the other columns.
Photos
Photos shared by their authors on Wikimedia Commons, with its colours adjusted.
Plan your trip
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
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 | 21 km away |
| Sea temperature | NOAA OISST v2.1, 1991–2020 | 16 km away |
| 2020–2025, month by month | NASA POWER · NOAA OISST v2.1 | 21 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 |