Climate Chart of Saint Barthelemy (St. Barts), Saint Barthélemy
Monthly data: Temperature °C, Rain (mm), Sunshine (h) · 2013–2023
For Saint Barthelemy (St. Barts), Saint Barthélemy, these climate figures describe 2013–2023.
Climate overview
Temperature
Monthly mean temperatures are warm throughout the year in the supplied summary: the coolest monthly mean is February at 24.7 °C, while the warmest is September at 27.5 °C. These are monthly averages, not daytime highs, so they do not describe the range visitors may experience from day to day.
Rain
Mean daily rainfall reaches its highest monthly level in September at 3.96 mm/day; its lowest is in March at 0.64 mm/day. These are average daily amounts, not monthly totals, and they do not indicate how often rain falls or rule out wet days in the lower-rainfall month.
Sunshine
Daily sunshine averages are highest in June at 11.66 hours/day and lowest in November at 9.62 hours/day. These figures describe sunshine duration, not day length, and averages cannot guarantee the conditions on a particular day.
Best Travel Time Guide for Saint Barthelemy (St. Barts), Saint Barthélemy: Ideal Seasons and Weather Insights
For visitors prioritising cooler monthly averages, February is the relevant choice, with a monthly mean of 24.7 °C. This can guide timing if cooler average temperatures matter, but it is not a forecast of daytime highs or individual-day weather. If lower average rainfall is the priority, March is the conditional option, with mean daily rainfall of 0.64 mm/day. Plan for possible rain regardless: the average neither guarantees dry days nor describes rain frequency.
Rain preparation is particularly relevant to September, when mean daily rainfall is highest at 3.96 mm/day; carry suitable rain protection rather than treating the average as a prediction for every day. For outdoor sightseeing planned around sunshine duration, June has the highest mean at 11.66 hours/day, while November has the lowest at 9.62 hours/day. These averages can inform daylight outdoor planning, but sunshine duration is not day length and does not promise clear skies on a visit.
Climate Data Overview for Saint Barthelemy (St. Barts), Saint Barthélemy
Explore the comprehensive climate data for Saint Barthelemy (St. Barts), Saint Barthélemy. This detailed table provides valuable insights into temperature variations, precipitation levels, and seasonal changes, helping you understand the unique weather patterns of this region.
| Month | Average: Temperature °C | Rain (mm) / day | Snow (mm) / day | Sunshine (h) / day |
|---|---|---|---|---|
| Jan | 25.0 | 1.05 | 0.00 | 10.36 |
| Feb | 24.7 | 1.11 | 0.00 | 10.74 |
| Mar | 24.8 | 0.64 | 0.00 | 11.08 |
| Apr | 25.2 | 1.25 | 0.00 | 11.44 |
| May | 26.0 | 1.52 | 0.00 | 11.50 |
| Jun | 26.7 | 1.32 | 0.00 | 11.66 |
| Jul | 27.0 | 1.81 | 0.00 | 11.62 |
| Aug | 27.4 | 2.64 | 0.00 | 11.19 |
| Sep | 27.5 | 3.96 | 0.00 | 10.68 |
| Oct | 27.3 | 3.91 | 0.00 | 10.07 |
| Nov | 26.6 | 3.37 | 0.00 | 9.62 |
| Dec | 25.8 | 1.56 | 0.00 | 10.00 |
| Average | 26.2 | 2.01 | 0.00 | 10.83 |
