Cartagena weather in May

May is one of the least pleasant months in Cartagena: highs of 30°C (85°F) and about 178 mm (7.0 in) of rain on average. Nights average 27°C (81°F) and cloud cover 79% (NASA POWER, 2001–2025 averages). The sea averages 30°C (86°F). It is the 4th wettest month of the year and the 6th coolest. Compared with April, it is about as warm and wetter; June brings highs of 30°C (86°F) and 135 mm (5.3 in) of rain.

Is May a good time to visit Cartagena?

least pleasant month Weather score 55/100.

May is one of the least pleasant months for weather in Cartagena. For better conditions, consider Dec–Mar.

See Cartagena's sky and forecast now

Does it rain a lot in Cartagena in May?

Yes, it is one of the rainy months: about 178 mm (7.0 in) falls in an average May. It is the 4th wettest month of the year.

How warm is Cartagena in May?

Days average 30°C (85°F) and nights 27°C (81°F).

Cartagena weather by month

Month	High	Low	Rain	Cloud	Sea	Weather
January	29°C (85°F)	25°C (78°F)	2 mm	37%	29°C (84°F)	best
February	30°C (86°F)	25°C (78°F)	3 mm	41%	29°C (83°F)	best
March	30°C (86°F)	26°C (78°F)	10 mm	54%	29°C (84°F)	best
April	30°C (86°F)	26°C (79°F)	60 mm	68%	29°C (84°F)	fair
May	30°C (85°F)	27°C (81°F)	178 mm	79%	30°C (86°F)	least pleasant
June	30°C (86°F)	27°C (81°F)	135 mm	75%	30°C (86°F)	fair
July	30°C (86°F)	27°C (81°F)	160 mm	74%	30°C (86°F)	fair
August	30°C (86°F)	27°C (81°F)	160 mm	79%	30°C (86°F)	fair
September	29°C (85°F)	27°C (81°F)	182 mm	81%	30°C (87°F)	least pleasant
October	29°C (84°F)	27°C (81°F)	242 mm	82%	30°C (86°F)	least pleasant
November	29°C (84°F)	27°C (81°F)	181 mm	69%	30°C (85°F)	least pleasant
December	29°C (85°F)	26°C (79°F)	56 mm	44%	29°C (85°F)	best

Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine. Page updated Oct 31, 2026. How we rate months