Sea temperature in Guadeloupe
Live water temperatures and swimming conditions across 2 beaches on the Guadeloupe coast.
Best time to swim in Guadeloupe
The sea in Guadeloupe peaks in July, when the water averages around 29°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.
Guadeloupe sea temperature history
Long-term climatology for Guadeloupe shows an annual mean sea temperature of 27°C, ranging from 26°C in winter to 29°C at the summer peak.
The seasonal swing is roughly 3°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 Guadeloupe, 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.
Guadeloupe sea temperature: frequently asked questions
What is the warmest month to swim in Guadeloupe?
July is the warmest month in Guadeloupe, when the sea averages about 29°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in Guadeloupe?
The coldest month in Guadeloupe is typically January, when the water averages around 26°C. Cold-water swimmers and surfers dominate this period.
When can you swim in Guadeloupe without a wetsuit?
The main swimming season in Guadeloupe 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 Guadeloupe?
Guadeloupe 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 Guadeloupe?
The long-term annual mean sea temperature in Guadeloupe is about 27°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in Guadeloupe?
The live reading at the top of this page shows the current sea temperature in Guadeloupe, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.
Guadeloupe sea temperature by month
Average sea temperatures around Guadeloupe 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 | 28.0°C | Very warm, bath-like |
| June | 28.0°C | Very warm, bath-like |
| July ⭐ | 29.0°C | Very warm, bath-like |
| August | 29.0°C | Very warm, bath-like |
| September | 29.0°C | Very warm, bath-like |
| October | 28.0°C | Very warm, bath-like |
| November | 27.0°C | Very warm, bath-like |
| December | 26.0°C | Warm swimming |
Monthly figures are modelled climatology averages, not live readings. How accurate is our data?
Warmest beaches in Guadeloupe right now
| Beach | Region | Sea | Swim score |
|---|---|---|---|
| Bouillante Beach | Guadeloupe | 29.2°C | Excellent |
| Grande Anse Guadeloupe | Guadeloupe | 29.2°C | Excellent |
Sea temperature in Guadeloupe — FAQ
How warm is the sea in Guadeloupe in September?
The sea off Guadeloupe averages about 29.0°C in September, based on long-term monthly averages for this coast.
When is the best time to swim in Guadeloupe?
Guadeloupe is warmest in July (around 29.0°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 Guadeloupe?
Across all twelve months, the sea in Guadeloupe averages about 27.4°C.
Do you need a wetsuit to swim in Guadeloupe?
In peak season (around July, ~29.0°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.