Bay
Chetumal Bay
Belize · Gulf of Mexico
18.4133, -88.1375 · Sarteneja, 7 km
- 30°Sea · September
- 31°High · May
- 8.2 hSunshine · April
Your month at the beach
Chetumal Bay in January
- 27°CAir, daytime high22°C at night
- 26°CSea temperature
- 6.2 hSunshine a day
- 12 daysRainy days in the month68 mm in total
- 11 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Chetumal Bay in February
- 28°CAir, daytime high22°C at night
- 26°CSea temperature
- 7.1 hSunshine a day
- 7 daysRainy days in the month40 mm in total
- 11 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Chetumal Bay in March
- 29°CAir, daytime high23°C at night
- 27°CSea temperature
- 7.8 hSunshine a day
- 5 daysRainy days in the month38 mm in total
- 12 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Chetumal Bay in April
- 31°CAir, daytime high24°C at night
- 28°CSea temperature
- 8.2 hSunshine a day
- 5 daysRainy days in the month39 mm in total
- 12 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Chetumal Bay in May
- 31°CAir, daytime high26°C at night
- 29°CSea temperature
- 7.3 hSunshine a day
- 10 daysRainy days in the month130 mm in total
- 11 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Chetumal Bay in June
- 30°CAir, daytime high26°C at night
- 29°CSea temperature
- 6.0 hSunshine a day
- 18 daysRainy days in the month201 mm in total
- 11 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Chetumal Bay in July
- 30°CAir, daytime high26°C at night
- 29°CSea temperature
- 6.7 hSunshine a day
- 17 daysRainy days in the month120 mm in total
- 10 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Chetumal Bay in August
- 30°CAir, daytime high26°C at night
- 30°CSea temperature
- 6.8 hSunshine a day
- 19 daysRainy days in the month154 mm in total
- 10 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Chetumal Bay in September
- 30°CAir, daytime high26°C at night
- 30°CSea temperature
- 6.2 hSunshine a day
- 22 daysRainy days in the month172 mm in total
- 9 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Chetumal Bay in October
- 29°CAir, daytime high25°C at night
- 29°CSea temperature
- 6.2 hSunshine a day
- 20 daysRainy days in the month221 mm in total
- 9 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Chetumal Bay in November
- 28°CAir, daytime high23°C at night
- 28°CSea temperature
- 6.6 hSunshine a day
- 15 daysRainy days in the month128 mm in total
- 10 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Chetumal Bay in December
- 27°CAir, daytime high22°C at night
- 27°CSea temperature
- 6.2 hSunshine a day
- 13 daysRainy days in the month81 mm in total
- 10 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
The beach itself
- 0Places to stay within 5 kmHotels, guest houses, apartments and campsites · OpenStreetMap
- 23 kmAirport: Chetumal International Airport (CTM)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 26.6 °C — 0.5 °C above the 1991–2020 average.
1991–2020 average: 26.1 °C
1991–2020 average: 27.0 °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 27.0 °C — 0.7 °C above the 1991–2020 average.
1991–2020 average: 26.3 °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.
March from 2020 to 2025
In March 2025 the sea averaged 27.7 °C — 0.9 °C above the 1991–2020 average.
1991–2020 average: 26.8 °C
1991–2020 average: 29.4 °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 27.8 °C — about the same as the 1991–2020 average.
1991–2020 average: 27.8 °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.
May from 2020 to 2025
In May 2025 the sea averaged 29.4 °C — 0.6 °C above the 1991–2020 average.
1991–2020 average: 28.8 °C
1991–2020 average: 31.0 °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 29.5 °C — 0.5 °C above the 1991–2020 average.
1991–2020 average: 29.0 °C
1991–2020 average: 29.8 °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 29.9 °C — 0.7 °C above the 1991–2020 average.
1991–2020 average: 29.2 °C
1991–2020 average: 29.8 °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 30.6 °C — 0.9 °C above the 1991–2020 average.
1991–2020 average: 29.7 °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.
September from 2020 to 2025
In September 2025 the sea averaged 30.5 °C — 0.7 °C above the 1991–2020 average.
1991–2020 average: 29.8 °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.
October from 2020 to 2025
In October 2025 the sea averaged 30.1 °C — 1.1 °C above the 1991–2020 average.
1991–2020 average: 29.0 °C
1991–2020 average: 28.8 °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 28.3 °C — 0.7 °C above the 1991–2020 average.
1991–2020 average: 27.6 °C
1991–2020 average: 27.7 °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 27.4 °C — 0.7 °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.
When to go
1991–2020 averagesThe year at a glance
- Jan26°6 h68 mm
- Feb26°7 h40 mm
- Mar27°8 h38 mm
- Apr28°8 h39 mm
- May29°7 h130 mm
- Jun29°6 h201 mm
- Jul29°7 h120 mm
- Aug30°7 h154 mm
- Sep30°6 h172 mm
- Oct29°6 h221 mm
- Nov28°7 h128 mm
- Dec27°6 h81 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 Chetumal 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 | 27 | 22 | 26 | 68 | 12 | 6.2 | 11 |
| February | 28 | 22 | 26 | 40 | 7 | 7.1 | 11 |
| March | 29 | 23 | 27 | 38 | 5 | 7.8 | 12 |
| April | 31 | 24 | 28 | 39 | 5 | 8.2 | 12 |
| May | 31 | 26 | 29 | 130 | 10 | 7.3 | 11 |
| June | 30 | 26 | 29 | 201 | 18 | 6.0 | 11 |
| July | 30 | 26 | 29 | 120 | 17 | 6.7 | 10 |
| August | 30 | 26 | 30 | 154 | 19 | 6.8 | 10 |
| Septemberwarmest sea | 30 | 26 | 30 | 172 | 22 | 6.2 | 9 |
| October | 29 | 25 | 29 | 221 | 20 | 6.2 | 9 |
| November | 28 | 23 | 28 | 128 | 15 | 6.6 | 10 |
| December | 27 | 22 | 27 | 81 | 13 | 6.2 | 10 |
Swipe sideways to see the other columns.
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 | 10 km away |
| Sea temperature | NOAA OISST v2.1, 1991–2020 | 4 km away |
| 2020–2025, month by month | NASA POWER · NOAA OISST v2.1 | 10 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 →