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Cartagena Weather by Month
Average temperatures, rainfall and humidity for Cartagena, Spain, month by month, built from OpenWeather’s historical records. Use it to see what a typical Cartagena month looks like before you travel — then check the live Cartagena forecast for the days ahead.
Warmest month
August
32°C average high
Coolest month
January
7°C average low
Wettest month
March
35 mm of rain
Driest month
July
2 mm of rain
Average temperature and rainfall in Cartagena by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 17°C | 7°C | -6°C / 41°C | 12 mm | 72% | 10 km/h |
| February | 17°C | 8°C | -4°C / 27°C | 9 mm | 70% | 12 km/h |
| March | 19°C | 9°C | -1°C / 30°C | 35 mm | 69% | 11 km/h |
| April | 21°C | 11°C | 2°C / 31°C | 21 mm | 69% | 10 km/h |
| May | 24°C | 15°C | 3°C / 33°C | 11 mm | 70% | 11 km/h |
| June | 28°C | 18°C | 10°C / 45°C | 4 mm | 67% | 10 km/h |
| July | 32°C | 21°C | 13°C / 41°C | 2 mm | 69% | 9 km/h |
| August | 32°C | 22°C | 14°C / 43°C | 7 mm | 71% | 9 km/h |
| September | 29°C | 19°C | 0°C / 45°C | 20 mm | 72% | 9 km/h |
| October | 25°C | 16°C | 2°C / 42°C | 14 mm | 76% | 9 km/h |
| November | 21°C | 11°C | -4°C / 42°C | 17 mm | 73% | 10 km/h |
| December | 18°C | 8°C | -11°C / 36°C | 18 mm | 75% | 9 km/h |
Best time to visit Cartagena
The most comfortable time to visit Cartagena is generally May and October to November, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around March, totalling about 171 mm a year.
Travellers who prefer heat should aim for August, when highs average 32°C. March is the month to avoid if rain would spoil your plans — it averages 35 mm, roughly 18× the rainfall of the driest month (July).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Cartagena forecast for what is happening now.