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Monthly climate in Merelani, Arusha, Tanzania

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Merelani features a tropical savanna climate (Aw).Temperatures typically range between 19 °C (67 °F) and 25 °C (77 °F) through the year, but rarely can drop to 10 °C (50 °F) or can rise to as high as 35 °C (96 °F).The average annual precipitation amounts to about 915 mm (36.0 inches) and receives 150 rainy days on the 1 mm (0.04 inches) threshold annually.Merelani enjoys an average of 3924 hours of sunshine throughout the year, and daylight varies from 11 hours 54 minutes to 12 hours 18 minutes per day.

Monthly average temperatures in Merelani, Arusha, Tanzania §

The warmest months in Merelani are January, February and March, with daily mean temperatures ranging from 25 to 25 °C (77 - 77 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 19 to 20 °C (67 - 69 °F) throughout the day. On average each year, Merelani experiences 266 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 Merelani, 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 34°C
(94°F)		 35°C
(95°F)		 35°C
(96°F)		 33°C
(92°F)		 30°C
(86°F)		 27°C
(81°F)		 28°C
(83°F)		 31°C
(87°F)		 31°C
(88°F)		 33°C
(91°F)		 34°C
(93°F)		 34°C
(93°F)
Mean maximum 33°C
(92°F)		 33°C
(92°F)		 33°C
(92°F)		 31°C
(87°F)		 28°C
(83°F)		 26°C
(80°F)		 27°C
(81°F)		 29°C
(85°F)		 31°C
(87°F)		 32°C
(91°F)		 32°C
(90°F)		 32°C
(90°F)
Average high 31°C
(87°F)		 31°C
(88°F)		 31°C
(88°F)		 28°C
(83°F)		 25°C
(78°F)		 24°C
(76°F)		 24°C
(76°F)		 26°C
(79°F)		 28°C
(82°F)		 29°C
(84°F)		 30°C
(86°F)		 30°C
(86°F)
Daily mean 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 23°C
(74°F)		 21°C
(70°F)		 20°C
(68°F)		 19°C
(67°F)		 20°C
(69°F)		 22°C
(72°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(76°F)
Average low 20°C
(67°F)		 19°C
(67°F)		 20°C
(68°F)		 20°C
(68°F)		 18°C
(65°F)		 16°C
(61°F)		 15°C
(59°F)		 16°C
(61°F)		 17°C
(62°F)		 18°C
(65°F)		 19°C
(67°F)		 20°C
(68°F)
Mean minimum 17°C
(63°F)		 17°C
(64°F)		 18°C
(64°F)		 19°C
(66°F)		 15°C
(59°F)		 14°C
(57°F)		 11°C
(53°F)		 13°C
(55°F)		 14°C
(58°F)		 16°C
(61°F)		 17°C
(63°F)		 18°C
(64°F)
Minimum 16°C
(61°F)		 16°C
(62°F)		 17°C
(63°F)		 18°C
(65°F)		 12°C
(54°F)		 12°C
(54°F)		 10°C
(50°F)		 12°C
(53°F)		 13°C
(56°F)		 15°C
(58°F)		 16°C
(61°F)		 16°C
(62°F)

Compare climate in Merelani with other places

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

Monthly average precipitation in Merelani, Arusha, Tanzania §

Merelani usually has the most precipitation in March, April and May, with an average of 21 rainy days and 172 mm (6.8 inches) of precipitation per month.The driest months in Merelani are June, August and September. On average, 18 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Merelani, 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) 67 (2.6) 59 (2.3) 187 (7.4) 198 (7.8) 130 (5.1) 19 (0.7) 20 (0.8) 20 (0.8) 15 (0.6) 50 (2.0) 75 (2.9) 74 (2.9)
Average precipitation days (≥ 1 mm) 11 10 16 28 20 6 6 6 3 11 15 18

Monthly sunshine hours in Merelani, Arusha, Tanzania §

The sunniest months in Merelani are October, November and December, when the sun shines an average of 11 hours 22 minutes a day.Least sunny months in Merelani: January, February and June receive an average of 10 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Merelani, 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 286 312 339 315 325 311 324 331 332 351 341 352
Mean daily daylight hours 12h 17m 12h 12m 12h 6m 12h 0m 11h 56m 11h 54m 11h 55m 11h 59m 12h 4m 12h 10m 12h 15m 12h 18m

Solar UV radiation in Merelani, Arusha, Tanzania §

Merelani experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 15 - 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 Merelani UV Index data.

Average daily maximum UV levels by month for Merelani, 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 15 13 11 11 13 14 14 13 14