Sea temperature in Barbados
Live water temperatures and swimming conditions across 15 beaches on the Barbados coast.
Best time to swim in Barbados
The sea in Barbados peaks in June, when the water averages around 28°C.
The main swimming season runs from January – December, when surface temperatures stay comfortable for extended sessions.
On average, 12 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.
The coldest month is typically January at around 26°C, when cold-water swimmers dominate the coast.
Barbados sea temperature history
Long-term climatology for Barbados shows an annual mean sea temperature of 27°C, ranging from 26°C in winter to 28°C at the summer peak.
The seasonal swing is roughly 2°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.
Recent decades have trended slightly warmer at Barbados, in line with regional sea-surface temperature records for the wider basin.
Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.
Values are area averages; individual beaches vary by exposure and depth.
Barbados sea temperature: frequently asked questions
What is the warmest month to swim in Barbados?
June is the warmest month in Barbados, when the sea averages about 28°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in Barbados?
The coldest month in Barbados is typically January, when the water averages around 26°C. Cold-water swimmers and surfers dominate this period.
When can you swim in Barbados without a wetsuit?
The main swimming season in Barbados runs from January – December — about 12 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.
Do I need a wetsuit in Barbados?
Barbados stays warm year-round, so most swimmers never need a wetsuit — a rash guard is usually enough for sun and wildlife protection.
What is the average sea temperature in Barbados?
The long-term annual mean sea temperature in Barbados is about 27°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in Barbados?
The live reading at the top of this page shows the current sea temperature in Barbados, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.
Barbados sea temperature by month
Average sea temperatures around Barbados for every month of the year, based on long-term Open-Meteo marine climatology.
| Month | Average sea | Swimming comfort |
|---|---|---|
| January | 26.0°C | Warm swimming |
| February | 26.0°C | Warm swimming |
| March | 26.0°C | Warm swimming |
| April | 27.0°C | Very warm, bath-like |
| May | 27.0°C | Very warm, bath-like |
| June ⭐ | 28.0°C | Very warm, bath-like |
| July | 28.0°C | Very warm, bath-like |
| August | 28.0°C | Very warm, bath-like |
| September | 28.0°C | Very warm, bath-like |
| October | 28.0°C | Very warm, bath-like |
| November | 28.0°C | Very warm, bath-like |
| December | 27.0°C | Very warm, bath-like |
Monthly figures are modelled climatology averages, not live readings. How accurate is our data?
Warmest beaches in Barbados right now
| Beach | Region | Sea | Swim score |
|---|---|---|---|
| Alleynes Bay | Barbados | 28.7°C | Excellent |
| Bathsheba Beach | Saint Joseph | 28.5°C | Excellent |
| Carlisle Bay | Saint Michael | 28.5°C | Excellent |
| Mullins Beach | Saint Peter | 28.3°C | Excellent |
| Crane Beach | Saint Philip | 28.2°C | Excellent |
| Dover Beach Barbados | Christ Church | 28.2°C | Excellent |
| Sandy Lane Beach | Barbados | 28.1°C | Excellent |
| Rockley Beach | Barbados | 28.0°C | Excellent |
| Paynes Bay | Barbados | 27.7°C | Excellent |
| Bottom Bay | Barbados | 27.7°C | Excellent |
| Accra Beach | Christ Church | 27.5°C | Excellent |
| Miami Beach Oistins | Barbados | 27.5°C | Excellent |
| Bottom Bay | Saint Philip | 27.4°C | Excellent |
| Foul Bay Barbados | Barbados | 27.4°C | Excellent |
| Mullins Beach | Barbados | 27.3°C | Excellent |
Sea temperature in Barbados — FAQ
How warm is the sea in Barbados in September?
The sea off Barbados averages about 28.0°C in September, based on long-term monthly averages for this coast.
When is the best time to swim in Barbados?
Barbados is warmest in June (around 28.0°C) and coldest in January (around 26.0°C). There are typically 12 months a year when the water sits above 22°C.
What is the average yearly sea temperature in Barbados?
Across all twelve months, the sea in Barbados averages about 27.3°C.
Do you need a wetsuit to swim in Barbados?
In peak season (around June, ~28.0°C) most swimmers are comfortable without a wetsuit. Outside summer, when the water drops toward 26.0°C, a 3/2mm to 5/4mm wetsuit is recommended.