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Monthly climate in Yei, Central Equatoria, South Sudan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Yei features a tropical savanna climate (Aw).Temperatures typically range between 23 °C (73 °F) and 28 °C (83 °F) through the year, but rarely can drop to 17 °C (62 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 1343 mm (52.9 inches) and receives 188 rainy days on the 1 mm (0.04 inches) threshold annually.Yei enjoys an average of 3894 hours of sunshine throughout the year, and daylight varies from 11 hours 52 minutes to 12 hours 20 minutes per day.

Monthly average temperatures in Yei, Central Equatoria, South Sudan §

The warmest months in Yei are January, February and March, with daily mean temperatures ranging from 27 to 28 °C (81 - 83 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 23 to 23 °C (73 - 74 °F) throughout the day. On average each year, Yei experiences 323 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 Yei, Central Equatoria, South Sudan.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 37°C
(98°F)		 38°C
(100°F)		 38°C
(101°F)		 37°C
(100°F)		 33°C
(92°F)		 32°C
(89°F)		 31°C
(88°F)		 30°C
(86°F)		 31°C
(89°F)		 31°C
(89°F)		 33°C
(92°F)		 34°C
(94°F)
Mean maximum 35°C
(96°F)		 37°C
(98°F)		 36°C
(97°F)		 35°C
(95°F)		 32°C
(90°F)		 30°C
(87°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(87°F)		 31°C
(87°F)		 32°C
(89°F)		 34°C
(93°F)
Average high 33°C
(92°F)		 34°C
(93°F)		 33°C
(92°F)		 31°C
(89°F)		 29°C
(85°F)		 28°C
(83°F)		 27°C
(81°F)		 27°C
(82°F)		 28°C
(83°F)		 28°C
(83°F)		 30°C
(85°F)		 32°C
(89°F)
Daily mean 27°C
(81°F)		 28°C
(83°F)		 27°C
(81°F)		 26°C
(79°F)		 24°C
(76°F)		 23°C
(75°F)		 23°C
(73°F)		 23°C
(73°F)		 23°C
(74°F)		 23°C
(74°F)		 25°C
(76°F)		 26°C
(79°F)
Average low 22°C
(71°F)		 23°C
(73°F)		 23°C
(73°F)		 22°C
(72°F)		 21°C
(70°F)		 20°C
(68°F)		 19°C
(67°F)		 19°C
(67°F)		 19°C
(67°F)		 20°C
(68°F)		 20°C
(69°F)		 21°C
(70°F)
Mean minimum 19°C
(67°F)		 20°C
(68°F)		 20°C
(69°F)		 20°C
(68°F)		 19°C
(67°F)		 19°C
(66°F)		 18°C
(65°F)		 17°C
(64°F)		 18°C
(65°F)		 18°C
(66°F)		 19°C
(66°F)		 19°C
(67°F)
Minimum 18°C
(65°F)		 19°C
(67°F)		 20°C
(67°F)		 19°C
(67°F)		 18°C
(65°F)		 18°C
(64°F)		 18°C
(64°F)		 17°C
(62°F)		 18°C
(64°F)		 18°C
(64°F)		 18°C
(64°F)		 18°C
(66°F)

Compare climate in Yei with other places

Compare temperature, precipitation, sunshine, UV index in Yei, Central Equatoria, South Sudan with other places around the world.

Monthly average precipitation in Yei, Central Equatoria, South Sudan §

Yei usually has the most precipitation in August, September and October, with an average of 26 rainy days and 211 mm (8.3 inches) of precipitation per month.The driest months in Yei 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 Yei, Central Equatoria, South Sudan.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) 2 (0.1) 13 (0.5) 53 (2.1) 111 (4.4) 145 (5.7) 130 (5.1) 167 (6.6) 183 (7.2) 218 (8.6) 231 (9.1) 71 (2.8) 20 (0.8)
Average precipitation days (≥ 1 mm) 0 3 10 16 22 22 22 27 25 26 12 3

Monthly sunshine hours in Yei, Central Equatoria, South Sudan §

The sunniest months in Yei are March, August and December, when the sun shines an average of 10 hours 55 minutes a day.Least sunny months in Yei: January, February and June receive an average of 10 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Yei, Central Equatoria, South Sudan.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 275 307 340 328 330 324 328 335 328 329 325 340
Mean daily daylight hours 11h 54m 11h 58m 12h 4m 12h 11m 12h 17m 12h 20m 12h 18m 12h 13m 12h 7m 12h 0m 11h 55m 11h 52m

Solar UV radiation in Yei, Central Equatoria, South Sudan §

Yei experiences the highest level of ultraviolet (UV) radiation in March, April and May, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure.July, October and December are in the 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 Yei UV Index data.

Average daily maximum UV levels by month for Yei, Central Equatoria, South Sudan.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) 13 14 15 15 14 13 12 13 13 12 12 11