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Monthly climate in Arusha, Tanzania

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Arusha features a subtropical climate (Cwb).Temperatures typically range between 16 °C (60 °F) and 21 °C (70 °F) through the year, but rarely can drop to 7 °C (45 °F) or can rise to as high as 31 °C (87 °F).The average annual precipitation amounts to about 924 mm (36.4 inches) and receives 135 rainy days on the 1 mm (0.04 inches) threshold annually.Arusha enjoys an average of 3931 hours of sunshine throughout the year, and daylight varies from 11 hours 55 minutes to 12 hours 17 minutes per day.

Monthly average temperatures in Arusha, Tanzania §

The warmest months in Arusha are January, February and March, with daily mean temperatures ranging from 20 to 21 °C (68 - 70 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 16 to 17 °C (60 - 62 °F) throughout the day. On average each year, Arusha experiences 127 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 Arusha, 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 29°C
(85°F)		 30°C
(86°F)		 31°C
(87°F)		 28°C
(83°F)		 26°C
(78°F)		 24°C
(76°F)		 24°C
(76°F)		 27°C
(81°F)		 27°C
(82°F)		 29°C
(84°F)		 30°C
(86°F)		 29°C
(84°F)
Mean maximum 28°C
(83°F)		 29°C
(84°F)		 29°C
(85°F)		 27°C
(80°F)		 25°C
(77°F)		 23°C
(74°F)		 24°C
(75°F)		 25°C
(78°F)		 27°C
(81°F)		 28°C
(83°F)		 27°C
(81°F)		 27°C
(81°F)
Average high 26°C
(79°F)		 26°C
(80°F)		 26°C
(80°F)		 24°C
(76°F)		 22°C
(72°F)		 21°C
(70°F)		 21°C
(70°F)		 22°C
(72°F)		 24°C
(75°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)
Daily mean 20°C
(68°F)		 20°C
(69°F)		 21°C
(70°F)		 20°C
(68°F)		 18°C
(64°F)		 16°C
(62°F)		 16°C
(60°F)		 17°C
(62°F)		 18°C
(65°F)		 19°C
(67°F)		 20°C
(68°F)		 20°C
(67°F)
Average low 15°C
(59°F)		 15°C
(59°F)		 15°C
(60°F)		 16°C
(62°F)		 14°C
(58°F)		 12°C
(54°F)		 11°C
(53°F)		 12°C
(54°F)		 13°C
(55°F)		 14°C
(58°F)		 15°C
(60°F)		 15°C
(59°F)
Mean minimum 12°C
(54°F)		 12°C
(54°F)		 13°C
(56°F)		 15°C
(59°F)		 11°C
(52°F)		 10°C
(51°F)		 8°C
(47°F)		 9°C
(48°F)		 10°C
(50°F)		 11°C
(53°F)		 13°C
(55°F)		 13°C
(55°F)
Minimum 11°C
(53°F)		 11°C
(52°F)		 12°C
(53°F)		 14°C
(57°F)		 10°C
(50°F)		 8°C
(47°F)		 8°C
(46°F)		 7°C
(45°F)		 10°C
(50°F)		 10°C
(50°F)		 12°C
(54°F)		 12°C
(54°F)

Compare climate in Arusha with other places

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

Monthly average precipitation in Arusha, Tanzania §

Arusha usually has the most precipitation in March, April and December, with an average of 20 rainy days and 163 mm (6.4 inches) of precipitation per month.The driest months in Arusha are June, July and September. On average, 10 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Arusha, 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) 91 (3.6) 75 (2.9) 201 (7.9) 174 (6.9) 68 (2.7) 11 (0.4) 10 (0.4) 11 (0.4) 8 (0.3) 51 (2.0) 112 (4.4) 112 (4.4)
Average precipitation days (≥ 1 mm) 11 9 16 26 15 3 2 2 1 12 18 20

Monthly sunshine hours in Arusha, Tanzania §

The sunniest months in Arusha are October, November and December, when the sun shines an average of 11 hours 15 minutes a day.Least sunny months in Arusha: January, February and April receive an average of 10 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Arusha, 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 285 310 335 311 330 322 331 335 333 350 338 346
Mean daily daylight hours 12h 16m 12h 11m 12h 6m 12h 1m 11h 57m 11h 55m 11h 56m 11h 59m 12h 4m 12h 10m 12h 15m 12h 17m

Solar UV radiation in Arusha, Tanzania §

Arusha experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 16 - 16, which corresponds to the Extreme category of sun exposure.June, July and November are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 13. For more detailed information, check out our hourly Arusha UV Index data.

Average daily maximum UV levels by month for Arusha, 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) 15 16 16 16 14 12 12 13 14 14 13 14