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Monthly climate in Porto-Novo, Benin

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Porto-Novo features a tropical savanna climate (Aw).Temperatures typically range between 25 °C (78 °F) and 28 °C (83 °F) through the year, but rarely can drop to 22 °C (71 °F) or can rise to as high as 33 °C (91 °F).The average annual precipitation amounts to about 1499 mm (59.0 inches) and receives 240 rainy days on the 1 mm (0.04 inches) threshold annually.Porto-Novo enjoys an average of 3687 hours of sunshine throughout the year, and daylight varies from 11 hours 44 minutes to 12 hours 28 minutes per day.

Monthly average temperatures in Porto-Novo, Benin §

The warmest months in Porto-Novo are February, March and April, with daily mean temperatures ranging from 28 to 28 °C (83 - 83 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 25 to 26 °C (78 - 79 °F) throughout the day. On average each year, Porto-Novo experiences 329 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, Benin.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 32°C
(90°F)		 33°C
(91°F)		 32°C
(91°F)		 32°C
(90°F)		 32°C
(89°F)		 31°C
(88°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(85°F)		 31°C
(88°F)		 32°C
(89°F)		 32°C
(89°F)
Mean maximum 31°C
(89°F)		 32°C
(89°F)		 32°C
(89°F)		 32°C
(89°F)		 31°C
(89°F)		 30°C
(87°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(85°F)		 30°C
(87°F)		 31°C
(89°F)		 31°C
(89°F)
Average high 30°C
(86°F)		 31°C
(87°F)		 31°C
(88°F)		 31°C
(87°F)		 30°C
(86°F)		 29°C
(84°F)		 28°C
(82°F)		 27°C
(81°F)		 28°C
(83°F)		 29°C
(84°F)		 30°C
(86°F)		 30°C
(87°F)
Daily mean 27°C
(82°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(82°F)		 27°C
(80°F)		 26°C
(79°F)		 25°C
(78°F)		 26°C
(79°F)		 27°C
(80°F)		 27°C
(82°F)		 28°C
(82°F)
Average low 25°C
(78°F)		 26°C
(80°F)		 27°C
(80°F)		 26°C
(80°F)		 26°C
(79°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(75°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(78°F)		 26°C
(78°F)
Mean minimum 23°C
(74°F)		 24°C
(76°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(75°F)		 24°C
(75°F)		 23°C
(74°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(76°F)		 24°C
(75°F)
Minimum 22°C
(71°F)		 22°C
(71°F)		 24°C
(75°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(73°F)		 23°C
(74°F)		 22°C
(73°F)		 23°C
(73°F)		 23°C
(74°F)		 24°C
(75°F)		 22°C
(72°F)

Compare climate in Porto-Novo with other places

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

Monthly average precipitation in Porto-Novo, Benin §

Porto-Novo usually has the most precipitation in June, September and October, with an average of 25 rainy days and 225 mm (8.9 inches) of precipitation per month.The driest months in Porto-Novo are January, February and December. On average, 38 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Porto-Novo, Benin.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 21 (0.8) 51 (2.0) 79 (3.1) 82 (3.2) 144 (5.7) 249 (9.8) 166 (6.5) 146 (5.7) 196 (7.7) 230 (9.1) 94 (3.7) 43 (1.7)
Average precipitation days (≥ 1 mm) 6 16 20 16 24 26 25 21 24 27 23 12

Monthly sunshine hours in Porto-Novo, Benin §

The sunniest months in Porto-Novo are May, August and December, when the sun shines an average of 10 hours 25 minutes a day.Least sunny months in Porto-Novo: January, February and June receive an average of 9 hours 21 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Porto-Novo, Benin.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 261 289 318 317 325 291 309 323 301 316 312 320
Mean daily daylight hours 11h 46m 11h 54m 12h 4m 12h 15m 12h 24m 12h 28m 12h 26m 12h 18m 12h 8m 11h 57m 11h 48m 11h 44m

Solar UV radiation in Porto-Novo, Benin §

Porto-Novo experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 12 - 14, which corresponds to the Extreme category of sun exposure.June, November and December are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Porto-Novo UV Index data.

Average daily maximum UV levels by month for Porto-Novo, Benin.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 11 11 12 14 12 11 12 12 12 12 9 9