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Monthly climate in Iriba, Chad

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Iriba features a hot desert climate (BWh). Temperatures typically range between 18 °C (64 °F) and 30 °C (87 °F) through the year, but rarely can drop to 6 °C (43 °F) or can rise to as high as 41 °C (106 °F). The average annual precipitation amounts to about 238 mm (9.4 inches) and receives 37 rainy days on the 1 mm (0.04 inches) threshold annually. Iriba enjoys an average of 3954 hours of sunshine throughout the year, and daylight varies from 11 hours 14 minutes to 12 hours 59 minutes per day.

Monthly average temperatures in Iriba, Chad

The warmest months in Iriba are May, June and September, with daily mean temperatures ranging from 28 to 30 °C (82 - 87 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 18 to 19 °C (64 - 66 °F) throughout the day. On average each year, Iriba experiences 296 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 Iriba. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum35°C
(95°F)		37°C
(98°F)		40°C
(104°F)		41°C
(106°F)		41°C
(106°F)		41°C
(105°F)		39°C
(102°F)		38°C
(100°F)		39°C
(103°F)		37°C
(100°F)		35°C
(95°F)		33°C
(91°F)
Mean maximum32°C
(90°F)		33°C
(92°F)		38°C
(101°F)		39°C
(103°F)		40°C
(104°F)		39°C
(103°F)		38°C
(100°F)		35°C
(95°F)		38°C
(100°F)		36°C
(98°F)		33°C
(92°F)		32°C
(89°F)
Average high26°C
(79°F)		27°C
(81°F)		32°C
(90°F)		36°C
(96°F)		38°C
(100°F)		37°C
(99°F)		34°C
(94°F)		31°C
(87°F)		35°C
(94°F)		34°C
(93°F)		30°C
(87°F)		27°C
(81°F)
Daily mean18°C
(64°F)		19°C
(66°F)		24°C
(75°F)		28°C
(82°F)		30°C
(87°F)		30°C
(86°F)		28°C
(82°F)		25°C
(77°F)		28°C
(82°F)		27°C
(81°F)		22°C
(73°F)		19°C
(66°F)
Average low11°C
(53°F)		13°C
(55°F)		17°C
(63°F)		20°C
(69°F)		23°C
(74°F)		24°C
(75°F)		23°C
(73°F)		21°C
(70°F)		22°C
(72°F)		21°C
(70°F)		16°C
(62°F)		13°C
(55°F)
Mean minimum8°C
(46°F)		8°C
(47°F)		13°C
(55°F)		16°C
(61°F)		21°C
(69°F)		21°C
(70°F)		20°C
(69°F)		20°C
(68°F)		20°C
(68°F)		17°C
(63°F)		13°C
(56°F)		9°C
(48°F)
Minimum6°C
(43°F)		7°C
(44°F)		9°C
(49°F)		13°C
(56°F)		19°C
(67°F)		20°C
(69°F)		20°C
(69°F)		19°C
(66°F)		19°C
(67°F)		16°C
(62°F)		11°C
(52°F)		8°C
(47°F)

Compare climate in Iriba with other places

Compare temperature, precipitation, sunshine, UV index in Iriba, Chad with other places around the world.

Monthly average precipitation in Iriba, Chad

Iriba usually has the most precipitation in July, August and September, with an average of 11 rainy days and 73 mm (2.9 inches) of precipitation per month. The driest months in Iriba are January, November and December. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Iriba. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)0 (0.0)0 (0.0)0 (0.0)0 (0.0)1 (0.0)13 (0.5)57 (2.2)145 (5.7)15 (0.6)6 (0.2)0 (0.0)0 (0.0)
Average precipitation days (≥ 1 mm)00000213193000

Monthly sunshine hours in Iriba, Chad

The sunniest months in Iriba are May, June and July, when the sun shines an average of 11 hours 33 minutes a day. Least sunny months in Iriba: January, February and November receive an average of 9 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Iriba. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours265301338340360352349343327330319323
Mean daily daylight hours11h 19m11h 38m12h 2m12h 28m12h 49m12h 59m12h 54m12h 35m12h 11m11h 46m11h 24m11h 14m

Solar UV radiation in Iriba, Chad

Iriba experiences the highest level of ultraviolet (UV) radiation in March, April and August, 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 exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Iriba UV Index data.

Average daily maximum UV levels by month for Iriba. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)10121414131212131211109