Colombia · North America
Best time to visit San Andrés
San Andrés lies far out in the Caribbean, famous for its "sea of seven colours", reefs and palm beaches. Warm and sunny most of the year, wetter in autumn.
Climate decision
Best travel months for San Andrés
Joint highest scores
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Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Latest 5-year values 2021–2025
Average of the five most recent complete years compared with the 1991–2025 climate average.
May · Wet days
18 days/month
1991–2025: 22.3 days/month
-4.3 days/month · lower
October · Mean daily maximum
29.3 °C
1991–2025: 28.5 °C
+0.8 °C · higher
May · Monthly precipitation
86.1 mm/month
1991–2025: 120.3 mm/month
-34.2 mm/month · lower
October · Sea temperature
29.8 °C
1991–2025: 29 °C
+0.8 °C · higher
October: 22/155 days at or above 30 °C; highest single value 30.8 °C.
Five-year historical sample, not a weather forecast or long-term climate trend. Individual hot days can be far above the monthly mean.
Annual profile · Rainfall rhythm
San Andrés: rainfall separates the travel months
The driest and wettest months are 27.3 rainy days apart. Average daily highs vary by 1.6 °C, so both signals matter when choosing a month.
What matters
A warmer month is not automatically the most reliable. Read the drier windows alongside sunshine, sea temperature and the activity you have in mind.
Fewest rainy days
March · 1.7
Most rainy days
October · 29
Most sunshine
March · 8.1 h
Warmest sea
September · 29.1 °C
Month by month
Overall suitability per month. Tap a month for details.
All climate figures compared
The table is the complete accessible data view; the charts below highlight selected patterns.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Rain mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| January | 27 | 27 | 10 | 39 | 6.4 | 78 | 6.8 | 27 | 80 |
| February | 27 | 26 | 3 | 13 | 7.3 | 78 | 6.5 | 27 | 90 |
| March | 27 | 26 | 2 | 9 | 8.1 | 78 | 5.9 | 27 | 90 |
| April | 28 | 27 | 7 | 24 | 8.1 | 79 | 5.5 | 28 | 85 |
| May | 28 | 28 | 22 | 120 | 7.1 | 82 | 5.2 | 28 | 61 |
| June | 28 | 28 | 28 | 199 | 6.3 | 83 | 5.5 | 29 | 57 |
| July | 28 | 28 | 28 | 183 | 6.7 | 83 | 6.3 | 28 | 59 |
| August | 28 | 28 | 29 | 163 | 6.8 | 83 | 5.2 | 29 | 57 |
| September | 29 | 28 | 29 | 173 | 6.5 | 82 | 4.0 | 29 | 56 |
| October | 29 | 28 | 29 | 245 | 5.8 | 82 | 4.3 | 29 | 56 |
| November | 28 | 28 | 26 | 227 | 5.4 | 81 | 5.8 | 29 | 57 |
| December | 28 | 27 | 17 | 91 | 5.8 | 79 | 6.6 | 28 | 65 |
Climate through the year
Compare temperature, rainy days, sunshine and, for coastal destinations, sea temperature month by month.
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Where to stay in San Andrés
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The number is the overall climate score, not a similarity score.
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Frequently asked questions
When is the best time to visit San Andrés?
The strongest climate months are January, February, March, April. Values are historical averages, not a forecast.
Which month has the highest average daily maximum temperature in San Andrés?
Average daily maximum temperatures in San Andrés are practically tied in June, July, August, September, October and November at around 29 °C.
When is the sea warmest at San Andrés?
In September, at around 29 °C.