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Monthly climate in Cacheu, Guinea-Bissau

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Cacheu features a tropical savanna climate (Aw).Temperatures typically range between 26 °C (79 °F) and 29 °C (84 °F) through the year, but rarely can drop to 17 °C (62 °F) or can rise to as high as 42 °C (108 °F).The average annual precipitation amounts to about 1305 mm (51.4 inches) and receives 101 rainy days on the 1 mm (0.04 inches) threshold annually.Cacheu enjoys an average of 3625 hours of sunshine throughout the year, and daylight varies from 11 hours 24 minutes to 12 hours 49 minutes per day.

Monthly average temperatures in Cacheu, Guinea-Bissau §

The warmest months in Cacheu are June, October and November, with daily mean temperatures ranging from 28 to 29 °C (83 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 26 to 27 °C (79 - 80 °F) throughout the day. On average each year, Cacheu 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 Cacheu, Guinea-Bissau.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 39°C
(102°F)		 40°C
(105°F)		 41°C
(107°F)		 42°C
(108°F)		 40°C
(104°F)		 36°C
(98°F)		 33°C
(91°F)		 33°C
(92°F)		 35°C
(96°F)		 35°C
(96°F)		 38°C
(100°F)		 38°C
(100°F)
Mean maximum 37°C
(99°F)		 39°C
(102°F)		 40°C
(103°F)		 40°C
(105°F)		 37°C
(100°F)		 34°C
(94°F)		 32°C
(90°F)		 32°C
(90°F)		 33°C
(92°F)		 34°C
(94°F)		 36°C
(97°F)		 37°C
(99°F)
Average high 34°C
(94°F)		 35°C
(96°F)		 36°C
(97°F)		 35°C
(96°F)		 34°C
(93°F)		 32°C
(90°F)		 30°C
(86°F)		 30°C
(85°F)		 30°C
(87°F)		 32°C
(90°F)		 33°C
(93°F)		 34°C
(94°F)
Daily mean 26°C
(79°F)		 27°C
(80°F)		 27°C
(81°F)		 27°C
(82°F)		 27°C
(81°F)		 28°C
(83°F)		 27°C
(82°F)		 27°C
(81°F)		 27°C
(82°F)		 29°C
(84°F)		 28°C
(83°F)		 26°C
(80°F)
Average low 20°C
(68°F)		 21°C
(69°F)		 22°C
(71°F)		 22°C
(72°F)		 23°C
(74°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)		 25°C
(77°F)		 26°C
(79°F)		 24°C
(76°F)		 21°C
(69°F)
Mean minimum 17°C
(63°F)		 18°C
(65°F)		 20°C
(68°F)		 21°C
(69°F)		 21°C
(70°F)		 24°C
(75°F)		 24°C
(75°F)		 23°C
(74°F)		 23°C
(74°F)		 24°C
(75°F)		 21°C
(71°F)		 18°C
(65°F)
Minimum 17°C
(62°F)		 18°C
(64°F)		 19°C
(66°F)		 19°C
(67°F)		 20°C
(68°F)		 22°C
(72°F)		 23°C
(74°F)		 23°C
(73°F)		 23°C
(74°F)		 23°C
(73°F)		 19°C
(66°F)		 18°C
(64°F)

Compare climate in Cacheu with other places

Compare temperature, precipitation, sunshine, UV index in Cacheu, Guinea-Bissau with other places around the world.

Monthly average precipitation in Cacheu, Guinea-Bissau §

Cacheu usually has the most precipitation in July, August and September, with an average of 25 rainy days and 372 mm (14.7 inches) of precipitation per month.The driest months in Cacheu are January, February and March. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cacheu, Guinea-Bissau.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) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 1 (0.0) 47 (1.9) 348 (13.7) 451 (17.8) 318 (12.5) 123 (4.8) 17 (0.7) 0 (0.0)
Average precipitation days (≥ 1 mm) 0 0 0 0 0 6 24 26 25 17 3 0

Monthly sunshine hours in Cacheu, Guinea-Bissau §

The sunniest months in Cacheu are March, April and May, when the sun shines an average of 11 hours 1 minutes a day.Least sunny months in Cacheu: January, August and September receive an average of 8 hours 32 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Cacheu, Guinea-Bissau.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 255 285 335 333 345 318 287 256 274 308 307 317
Mean daily daylight hours 11h 28m 11h 43m 12h 3m 12h 23m 12h 40m 12h 49m 12h 44m 12h 29m 12h 10m 11h 49m 11h 32m 11h 24m

Solar UV radiation in Cacheu, Guinea-Bissau §

Cacheu experiences the highest level of ultraviolet (UV) radiation in July, August and September, when the maximum UV index can reach values of 13 - 14, 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 Cacheu UV Index data.

Average daily maximum UV levels by month for Cacheu, Guinea-Bissau.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) 9 10 12 12 12 13 13 14 14 12 9 9