March weather forecastCartagena, Spain

March
Weather in March
March marks the commencement of spring in Cartagena, and with it comes milder, wetter weather. From a temperature perspective, there's a noticeable increase with the monthly range shifting from 12.5°C (54.5°F) to 16.3°C (61.3°F). In terms of rainfall, the pattern changes quite dramatically, with precipitation levels going up to 24mm (0.94"), spread across approximately 8.4 days. Despite the rise in temperatures, however, the sea remains quite cold, averaging around 14.8°C (58.6°F). As more sunshine pours into the city, residents eagerly anticipate the full bloom of spring.Temperature
As Cartagena transitions from February to March, the average high-temperatures adjust to a comfortable 16.3°C (61.3°F), nearly the same as the previous 15.3°C (59.5°F). Cartagena's nighttime temperature in March consistently rests at a fresh 12.5°C (54.5°F).Humidity
The average relative humidity in March in Cartagena is 69%.Rainfall
In Cartagena, during March, the rain falls for 8.4 days and regularly aggregates up to 24mm (0.94") of precipitation. Throughout the year, there are 66.5 rainfall days, and 211mm (8.31") of precipitation is accumulated.Sea temperature
In March, the average sea temperature in Cartagena is 14.8°C (58.6°F).Note: Without suitable protection, venturing into 14.8°C (58.6°F) waters cooler than 10°C (50°F) can lead to pronounced cold shock and rapid breaths.
Daylight
The average length of the day in March in Cartagena is 11h and 59min.On the first day of the month, sunrise is at 07:34 and sunset at 18:57. On the last day of March, sunrise is at 06:49 and sunset at 19:26 CET.
Sunshine
The average sunshine in March is 8.6h.UV index
In March, the average daily maximum UV index in Cartagena is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In March, the maximum UV index of 5 suggests this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Cartagena, Spain
- Average high temperature in March: 16.3°C
The warmest month (with the highest average high temperature) is August (28.2°C).
The month with the lowest average high temperature is January (15.2°C).
- Average low temperature in March: 12.5°C
The month with the highest average low temperature is August (24.5°C).
The coldest month (with the lowest average low temperature) is February (11.2°C).
Average pressure in March
Cartagena, Spain
- Average pressure in March: 1017mbar
The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is April (1014.9mbar).
Average wind speed in March
Cartagena, Spain
- Average wind speed in March: 16.6km/h
The windiest month (with the highest average wind speed) is February (17.4km/h).
The calmest month (with the lowest average wind speed) is October (12.3km/h).
Average humidity in March
Cartagena, Spain
- Average humidity in March: 69%
The month with the highest relative humidity is August (72%).
The month with the lowest relative humidity is November (65%).
Average rainfall in March
Cartagena, Spain
- Average rainfall in March: 24mm
The wettest month (with the highest rainfall) is September (37mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in March
Cartagena, Spain
- Average rainfall days in March: 8.4 days
The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is July (2.3 days).
Average sea temperature in March
Cartagena, Spain
- Average sea temperature in March: 14.8°C
The best month for swimming (with the highest average sea temperature) is August (25.9°C).
The coldest month (with the lowest average sea temperature) is February (14.3°C).
Average daylight in March /
Average sunshine in March
Cartagena, Spain
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in March: 8h and 36min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in March
Cartagena, Spain
- Average sunshine days in March: 21.1 days
The month with the most sunshine days is July (27.9 days).
The month with the least sunshine days is April (20.7 days).
Average UV index in March
Cartagena, Spain
- Average UV index in March: 5
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in March
Cartagena, Spain
- Average cloud cover in March: 26
The months with the most cloud cover are March, April and December (Cloud cover 26).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in March
Cartagena, Spain
- Average visibility in March: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





