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Monthly climate in Porto Novo, Cabo Verde

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Porto Novo features a hot desert climate (BWh). Temperatures typically range between 19 °C (67 °F) and 25 °C (77 °F) through the year, but rarely can drop to 17 °C (64 °F) or can rise to as high as 27 °C (80 °F). The average annual precipitation amounts to about 100 mm (3.9 inches) and receives 13 rainy days on the 1 mm (0.04 inches) threshold annually. Porto Novo enjoys an average of 3718 hours of sunshine throughout the year, and daylight varies from 11 hours 7 minutes to 13 hours 6 minutes per day.

Monthly average temperatures in Porto Novo, Cabo Verde

The warmest months in Porto Novo are August, September and October, with daily mean temperatures ranging from 24 to 25 °C (75 - 77 °F) throughout the day. The coldest temperatures usually occur in February, March and April, when daily mean temperatures range from 19 to 20 °C (67 - 68 °F) throughout the day. On average each year, Porto Novo experiences 28 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Porto Novo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum23°C
(74°F)		23°C
(74°F)		22°C
(71°F)		22°C
(72°F)		23°C
(73°F)		24°C
(76°F)		25°C
(77°F)		26°C
(79°F)		26°C
(80°F)		27°C
(80°F)		25°C
(78°F)		24°C
(76°F)
Mean maximum22°C
(72°F)		22°C
(71°F)		21°C
(70°F)		21°C
(71°F)		22°C
(72°F)		23°C
(74°F)		24°C
(75°F)		26°C
(78°F)		26°C
(79°F)		26°C
(79°F)		25°C
(77°F)		23°C
(74°F)
Average high21°C
(70°F)		20°C
(69°F)		20°C
(68°F)		20°C
(69°F)		21°C
(70°F)		22°C
(72°F)		23°C
(73°F)		24°C
(76°F)		25°C
(77°F)		25°C
(77°F)		23°C
(75°F)		22°C
(71°F)
Daily mean20°C
(69°F)		20°C
(68°F)		19°C
(67°F)		20°C
(68°F)		21°C
(70°F)		22°C
(71°F)		22°C
(73°F)		24°C
(75°F)		25°C
(77°F)		24°C
(76°F)		23°C
(74°F)		21°C
(71°F)
Average low20°C
(68°F)		19°C
(67°F)		19°C
(67°F)		20°C
(68°F)		20°C
(69°F)		21°C
(71°F)		22°C
(72°F)		23°C
(74°F)		24°C
(76°F)		24°C
(75°F)		23°C
(73°F)		21°C
(70°F)
Mean minimum19°C
(66°F)		18°C
(65°F)		18°C
(65°F)		19°C
(66°F)		20°C
(68°F)		21°C
(69°F)		21°C
(70°F)		22°C
(72°F)		23°C
(75°F)		23°C
(74°F)		21°C
(71°F)		20°C
(68°F)
Minimum18°C
(64°F)		17°C
(64°F)		18°C
(64°F)		17°C
(64°F)		19°C
(66°F)		19°C
(67°F)		20°C
(68°F)		21°C
(71°F)		23°C
(73°F)		23°C
(73°F)		21°C
(70°F)		19°C
(66°F)

Compare climate in Porto Novo with other places

Compare temperature, precipitation, sunshine, UV index in Porto Novo, Cabo Verde with other places around the world.

Monthly average precipitation in Porto Novo, Cabo Verde

Porto Novo usually has the most precipitation in July, August and September, with an average of 3 rainy days and 23 mm (0.9 inches) of precipitation per month. The driest months in Porto Novo are January, April and May. On average, 1 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Porto Novo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)1 (0.1)7 (0.3)3 (0.1)1 (0.1)1 (0.0)2 (0.1)8 (0.3)24 (1.0)37 (1.5)6 (0.2)4 (0.2)5 (0.2)
Average precipitation days (≥ 1 mm)010000155001

Monthly sunshine hours in Porto Novo, Cabo Verde

The sunniest months in Porto Novo are April, May and August, when the sun shines an average of 11 hours 2 minutes a day. Least sunny months in Porto Novo: January, February and December receive an average of 8 hours 43 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Porto Novo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours238272323328349322326338319321295283
Mean daily daylight hours11h 13m11h 34m12h 2m12h 31m12h 55m13h 6m13h 0m12h 39m12h 12m11h 43m11h 19m11h 7m

Solar UV radiation in Porto Novo, Cabo Verde

Porto Novo experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure. January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Porto Novo UV Index data.

Average daily maximum UV levels by month for Porto Novo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)911121313121213131199