Day
16 °C
Night
6 °C
Sea
15 °C
Precipitation
28 mm
in month
Rainy days
5 days
in month
Daylight
10 hours
average
Sunshine
5 hours
average
Humidity
70 %
We make the most from 40 years of historical weather data to predict the best weather conditions.
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We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.
The city of Cartagena in Spain is characterized by its warm weather conditions. Daytime temperatures typically range between 16 °C (61 °F) in the chill of January to a peak of 33 °C (91 °F) in the height of August. Evening temperatures mirror this pattern, with the highest temperatures in August at 21 °C (71 °F) and the lowest in January at around 6 °C (43 °F). July is the driest month, with an average of just 1 day for rainfall, while November experiences the most precipitation, receiving rain on approximately 5 days. Sea temperatures vary from a low of 14 °C (58 °F) in the brisk February seas to a warm 25 °C (78 °F) in August.
As January arrives, the sea's temperature in Cartagena continues its decline, reaching approximately 15 °C (59 °F), while the day's lowest temperature is recorded at 16 °C (61 °F). The nights are at their coolest, averaging around 6 °C (43 °F). The duration of sunlight is starting to increase, averaging about 5 hours per day.
As Cartagena transitions into February, there's a notable uptick in daytime temperatures, recorded at 18 °C (64 °F), while the sea is at its chilliest, averaging 14 °C (58 °F). The nights are getting warmer, with temperatures averaging 7 °C (45 °F). Sunlight duration continues to extend, signifying the encroaching spring.
March heralds a consistent rise in temperatures in Cartagena, with day temperatures climbing and nighttime temperatures averaging at 9 °C (49 °F). The length of daylight also grows, reaching 12 hours.
April brings a gentle increase in sea temperatures in Cartagena, as well as a continued rise in daytime temperatures, now at 22 °C (71 °F). The night brings milder weather, with an average temperature of 11 °C (53 °F). The amount of sunshine starts to grow significantly, averaging 7 hours, while wind speeds are at their highest, registering an average of 4, and humidity begins to decrease.
Cartagena experiences further warming in May, with an increase in sea temperature to roughly 18 °C (64 °F). The trend of rising daytime temperatures continues, and the onset of fewer rainy days suggests the beginning of the dry season. Nighttime temperatures also show a similar upward trend, averaging 15 °C (58 °F), while daylight continues to expand.
With the advent of June, temperatures in Cartagena soar, reaching an average of 29 °C (85 °F) during the day. The sea grows warmer too, with average temperatures of 21 °C (70 °F). The decrease in rainy days continues, and the tourist season gradually gains momentum. Night temperatures likewise follow an upward trajectory.
July sees a further rise in daytime temperatures in Cartagena, averaging 32 °C (90 °F), while the sea temperature follows suit, averaging 24 °C (75 °F). The peak of the tourist season nears. Rainfall reaches a minimum, and the number of sunlight hours hits a high, averaging 10 hours.
As the tourist season peaks in August, so do the temperatures in Cartagena, with day temperatures reaching a maximum average of 33 °C (91 °F) and the sea temperature being at its highest. The nights are equally warm, with an average temperature of 21 °C (71 °F). However, the number of rainy days begins to see a slight increase.
The tourist season persists into September in Cartagena. While the sea temperature begins to cool, averaging 24 °C (75 °F), there's a noticeable drop in daytime temperatures as well. Rainfall starts to increase, with an average of 27 mm (1.05 in), as does the number of rainy days.
In October, the cooling trend continues in Cartagena with the sea and daytime temperatures on a downward slope. The occurrence of rainy days rises, reaching an average of 4 days. The number of sunny hours begins to decrease as well, matching the general reduction in temperatures.
As November arrives in Cartagena, there is a further decline in both sea and daytime temperatures. Night temperatures similarly trend downward. Humidity is at its highest, and the number of rainy days peaks for the year.
December in Cartagena brings a continued downturn in temperatures, with the sea cooling further. The number of rainy days begins to decrease, and the average amount of rainfall also starts to decline. The shortest day lengths are observed in this month, along with the least amount of sunshine hours.
In January, the sea temperature in Cartagena averages 15 °C (59 °F).
Daytime temperatures see a moderate increase in Cartagena during February, averaging 18 °C (64 °F).
In March, Cartagena enjoys an extended daylight period, averaging about 12 hours.
April is indeed known for its stronger winds in Cartagena, with wind speeds averaging 4.
Yes, May marks the onset of the dry season in Cartagena, with diminishing rainfall.
The sea temperature in Cartagena increases in June, averaging about 21 °C (70 °F).
The number of sunlight hours reaches its peak in Cartagena in July, averaging 10 hours per day.
The sea temperature in Cartagena hits its annual peak in August, reaching an average of 25 °C (78 °F).
Yes, there's a noticeable increase in the number of rainy days in Cartagena in September.
The number of sunny hours in Cartagena decreases in October, indicating the approach of cooler weather.
The highest humidity in Cartagena occurs in November, averaging 71 %.
In December, Cartagena experiences its shortest days, with day lengths averaging around 9 hours.