Monthly climate in Isale, Burundi

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Isale features a subtropical climate (Cwb). Temperatures typically range between 20 °C (68 °F) and 21 °C (70 °F) through the year, but rarely can drop to 12 °C (54 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 4926 mm (193.9 inches) and receives 258 rainy days on the 1 mm (0.04 inches) threshold annually. Isale enjoys an average of 3763 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 Isale, Burundi

The warmest months in Isale are August, September and October, with daily mean temperatures ranging from 20 to 21 °C (69 - 70 °F) throughout the day. The coldest temperatures usually occur in April, July and December, when daily mean temperatures range from 20 to 20 °C (68 - 68 °F) throughout the day. On average each year, Isale experiences 200 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 Isale. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum30°C
(87°F)
30°C
(86°F)
29°C
(84°F)
28°C
(83°F)
28°C
(83°F)
29°C
(84°F)
28°C
(83°F)
29°C
(85°F)
31°C
(88°F)
30°C
(87°F)
30°C
(87°F)
29°C
(84°F)
Mean maximum28°C
(83°F)
28°C
(83°F)
28°C
(83°F)
28°C
(82°F)
28°C
(82°F)
27°C
(82°F)
27°C
(82°F)
28°C
(83°F)
30°C
(85°F)
29°C
(85°F)
29°C
(84°F)
28°C
(82°F)
Average high25°C
(78°F)
25°C
(78°F)
25°C
(78°F)
25°C
(77°F)
25°C
(78°F)
26°C
(78°F)
25°C
(78°F)
26°C
(79°F)
27°C
(80°F)
26°C
(79°F)
25°C
(78°F)
25°C
(77°F)
Daily mean20°C
(68°F)
20°C
(69°F)
20°C
(69°F)
20°C
(68°F)
20°C
(69°F)
20°C
(68°F)
20°C
(68°F)
20°C
(69°F)
21°C
(70°F)
21°C
(69°F)
20°C
(69°F)
20°C
(68°F)
Average low16°C
(61°F)
16°C
(62°F)
16°C
(61°F)
16°C
(62°F)
16°C
(61°F)
15°C
(59°F)
15°C
(59°F)
16°C
(61°F)
16°C
(62°F)
17°C
(62°F)
16°C
(62°F)
16°C
(62°F)
Mean minimum15°C
(59°F)
15°C
(59°F)
14°C
(58°F)
15°C
(59°F)
14°C
(57°F)
14°C
(57°F)
12°C
(55°F)
14°C
(57°F)
15°C
(58°F)
15°C
(59°F)
15°C
(59°F)
15°C
(59°F)
Minimum14°C
(58°F)
14°C
(58°F)
14°C
(57°F)
15°C
(58°F)
13°C
(55°F)
13°C
(55°F)
12°C
(54°F)
13°C
(56°F)
14°C
(57°F)
15°C
(58°F)
14°C
(58°F)
14°C
(57°F)

Compare climate in Isale with other places

Compare temperature, precipitation, sunshine, UV index in Isale, Burundi with other places around the world.

Monthly average precipitation in Isale, Burundi

Isale usually has the most precipitation in October, November and December, with an average of 27 rainy days and 651 mm (25.6 inches) of precipitation per month. The driest months in Isale are June, July and August. On average, 101 mm (4.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Isale. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)395 (15.5)491 (19.3)541 (21.3)560 (22.0)414 (16.3)78 (3.1)51 (2.0)175 (6.9)270 (10.6)651 (25.6)613 (24.1)687 (27.1)
Average precipitation days (≥ 1 mm)2225282922971519262630

Monthly sunshine hours in Isale, Burundi

The sunniest months in Isale are May, July and August, when the sun shines an average of 10 hours 50 minutes a day. Least sunny months in Isale: January, February and April receive an average of 9 hours 24 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Isale. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours258287314300333325338337325323307312
Mean daily daylight hours12h 16m12h 11m12h 6m12h 1m11h 57m11h 55m11h 56m11h 59m12h 4m12h 10m12h 15m12h 17m

Solar UV radiation in Isale, Burundi

Isale experiences the highest level of ultraviolet (UV) radiation in January, 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 October 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 Isale UV Index data.

Average daily maximum UV levels by month for Isale. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151516151412111314131313