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Monthly climate in Tonga, West, Cameroon

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Tonga features a tropical savanna climate (Aw).Temperatures typically range between 22 °C (72 °F) and 26 °C (79 °F) through the year, but rarely can drop to 14 °C (57 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1393 mm (54.8 inches) and receives 223 rainy days on the 1 mm (0.04 inches) threshold annually.Tonga enjoys an average of 3612 hours of sunshine throughout the year, and daylight varies from 11 hours 49 minutes to 12 hours 23 minutes per day.

Monthly average temperatures in Tonga, West, Cameroon §

The warmest months in Tonga are January, February and March, with daily mean temperatures ranging from 25 to 26 °C (77 - 79 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 22 to 22 °C (72 - 72 °F) throughout the day. On average each year, Tonga experiences 308 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 Tonga, West, Cameroon.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 35°C
(96°F)		 37°C
(99°F)		 37°C
(99°F)		 34°C
(94°F)		 32°C
(91°F)		 31°C
(88°F)		 29°C
(84°F)		 29°C
(85°F)		 30°C
(86°F)		 31°C
(87°F)		 31°C
(89°F)		 35°C
(95°F)
Mean maximum 35°C
(94°F)		 36°C
(97°F)		 35°C
(96°F)		 33°C
(92°F)		 31°C
(88°F)		 30°C
(86°F)		 28°C
(83°F)		 28°C
(83°F)		 29°C
(85°F)		 30°C
(86°F)		 31°C
(88°F)		 33°C
(92°F)
Average high 32°C
(91°F)		 33°C
(92°F)		 31°C
(89°F)		 29°C
(85°F)		 29°C
(84°F)		 28°C
(82°F)		 26°C
(79°F)		 26°C
(79°F)		 27°C
(80°F)		 27°C
(82°F)		 29°C
(84°F)		 31°C
(88°F)
Daily mean 25°C
(77°F)		 26°C
(79°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)		 22°C
(72°F)		 23°C
(73°F)		 23°C
(74°F)		 24°C
(76°F)
Average low 19°C
(67°F)		 20°C
(68°F)		 21°C
(69°F)		 20°C
(69°F)		 20°C
(69°F)		 20°C
(68°F)		 20°C
(68°F)		 20°C
(68°F)		 20°C
(68°F)		 20°C
(67°F)		 19°C
(67°F)		 19°C
(67°F)
Mean minimum 17°C
(63°F)		 19°C
(66°F)		 19°C
(66°F)		 19°C
(67°F)		 19°C
(66°F)		 19°C
(66°F)		 19°C
(66°F)		 19°C
(66°F)		 18°C
(65°F)		 18°C
(65°F)		 18°C
(65°F)		 18°C
(65°F)
Minimum 14°C
(57°F)		 18°C
(64°F)		 18°C
(65°F)		 19°C
(66°F)		 18°C
(65°F)		 18°C
(64°F)		 18°C
(65°F)		 18°C
(65°F)		 18°C
(64°F)		 17°C
(63°F)		 17°C
(63°F)		 17°C
(63°F)

Compare climate in Tonga with other places

Compare temperature, precipitation, sunshine, UV index in Tonga, West, Cameroon with other places around the world.

Monthly average precipitation in Tonga, West, Cameroon §

Tonga usually has the most precipitation in August, September and October, with an average of 28 rainy days and 201 mm (7.9 inches) of precipitation per month.The driest months in Tonga are January, February and December. On average, 12 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tonga, West, Cameroon.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) 9 (0.3) 20 (0.8) 71 (2.8) 128 (5.1) 154 (6.1) 148 (5.8) 158 (6.2) 174 (6.8) 232 (9.1) 196 (7.7) 95 (3.8) 8 (0.3)
Average precipitation days (≥ 1 mm) 2 5 16 22 26 25 27 27 28 29 15 1

Monthly sunshine hours in Tonga, West, Cameroon §

The sunniest months in Tonga are March, May and December, when the sun shines an average of 10 hours 12 minutes a day.Least sunny months in Tonga: January, February and September receive an average of 9 hours 11 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tonga, West, Cameroon.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 263 289 311 298 312 309 309 303 275 304 310 323
Mean daily daylight hours 11h 51m 11h 57m 12h 4m 12h 12m 12h 20m 12h 23m 12h 21m 12h 15m 12h 7m 11h 59m 11h 52m 11h 49m

Solar UV radiation in Tonga, West, Cameroon §

Tonga experiences the highest level of ultraviolet (UV) radiation in April, May 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 / 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 Tonga UV Index data.

Average daily maximum UV levels by month for Tonga, West, Cameroon.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 12 13 14 14 12 12 13 13 13 11 10