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Monthly climate in Zanzibar, Tanzania

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Zanzibar features a tropical monsoon climate (Am).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 (92 °F).The average annual precipitation amounts to about 1230 mm (48.4 inches) and receives 207 rainy days on the 1 mm (0.04 inches) threshold annually.Zanzibar enjoys an average of 3917 hours of sunshine throughout the year, and daylight varies from 11 hours 45 minutes to 12 hours 27 minutes per day.

Monthly average temperatures in Zanzibar, Tanzania §

The warmest months in Zanzibar are January, February and March, 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, Zanzibar 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 Zanzibar, Tanzania.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 33°C
(91°F)		 33°C
(91°F)		 33°C
(92°F)		 33°C
(92°F)		 30°C
(87°F)		 30°C
(86°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(86°F)		 31°C
(88°F)		 32°C
(90°F)		 31°C
(89°F)
Mean maximum 32°C
(89°F)		 32°C
(90°F)		 32°C
(91°F)		 31°C
(89°F)		 30°C
(86°F)		 29°C
(85°F)		 29°C
(84°F)		 29°C
(85°F)		 30°C
(85°F)		 30°C
(87°F)		 31°C
(88°F)		 31°C
(88°F)
Average high 30°C
(86°F)		 30°C
(87°F)		 31°C
(87°F)		 29°C
(85°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(82°F)		 28°C
(82°F)		 28°C
(83°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(86°F)
Daily mean 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 27°C
(81°F)		 26°C
(79°F)		 26°C
(79°F)		 25°C
(78°F)		 25°C
(78°F)		 26°C
(79°F)		 26°C
(80°F)		 27°C
(81°F)		 28°C
(83°F)
Average low 27°C
(80°F)		 27°C
(81°F)		 27°C
(80°F)		 26°C
(78°F)		 25°C
(77°F)		 24°C
(75°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(75°F)		 24°C
(76°F)		 25°C
(78°F)		 26°C
(80°F)
Mean minimum 26°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(75°F)		 23°C
(74°F)		 22°C
(72°F)		 22°C
(72°F)		 23°C
(73°F)		 23°C
(74°F)		 24°C
(76°F)		 25°C
(77°F)
Minimum 25°C
(77°F)		 25°C
(78°F)		 25°C
(77°F)		 24°C
(75°F)		 23°C
(74°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(71°F)		 22°C
(72°F)		 23°C
(73°F)		 24°C
(75°F)		 24°C
(76°F)

Compare climate in Zanzibar with other places

Compare temperature, precipitation, sunshine, UV index in Zanzibar, Tanzania with other places around the world.

Monthly average precipitation in Zanzibar, Tanzania §

Zanzibar usually has the most precipitation in April, May and December, with an average of 25 rainy days and 212 mm (8.4 inches) of precipitation per month.The driest months in Zanzibar are July, August and September. On average, 33 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Zanzibar, Tanzania.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) 52 (2.0) 59 (2.3) 133 (5.2) 276 (10.8) 225 (8.8) 45 (1.8) 31 (1.2) 33 (1.3) 35 (1.4) 92 (3.6) 112 (4.4) 137 (5.4)
Average precipitation days (≥ 1 mm) 13 13 20 28 22 12 10 11 14 16 22 26

Monthly sunshine hours in Zanzibar, Tanzania §

The sunniest months in Zanzibar are August, October and December, when the sun shines an average of 11 hours 16 minutes a day.Least sunny months in Zanzibar: January, April and May receive an average of 9 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Zanzibar, Tanzania.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 287 315 329 284 303 324 337 347 341 348 341 353
Mean daily daylight hours 12h 25m 12h 17m 12h 7m 11h 57m 11h 49m 11h 45m 11h 47m 11h 54m 12h 3m 12h 13m 12h 22m 12h 27m

Solar UV radiation in Zanzibar, Tanzania §

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

Average daily maximum UV levels by month for Zanzibar, Tanzania.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) 14 14 14 14 12 10 10 12 13 13 13 13