Monthly climate in Betioky, Madagascar

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Betioky features a hot semi-arid climate (BSh). Temperatures typically range between 21 °C (69 °F) and 28 °C (83 °F) through the year, but rarely can drop to 9 °C (49 °F) or can rise to as high as 42 °C (108 °F). The average annual precipitation amounts to about 426 mm (16.8 inches) and receives 50 rainy days on the 1 mm (0.04 inches) threshold annually. Betioky enjoys an average of 4085 hours of sunshine throughout the year, and daylight varies from 10 hours 40 minutes to 13 hours 33 minutes per day.

Monthly average temperatures in Betioky, Madagascar

The warmest months in Betioky are January, February and December, with daily mean temperatures ranging from 28 to 28 °C (82 - 83 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 21 to 22 °C (69 - 72 °F) throughout the day. On average each year, Betioky experiences 321 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 Betioky. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum40°C
(104°F)
42°C
(108°F)
38°C
(101°F)
37°C
(98°F)
34°C
(93°F)
32°C
(90°F)
32°C
(90°F)
34°C
(94°F)
37°C
(100°F)
40°C
(104°F)
40°C
(105°F)
41°C
(106°F)
Mean maximum38°C
(100°F)
38°C
(101°F)
36°C
(98°F)
36°C
(97°F)
33°C
(91°F)
30°C
(87°F)
30°C
(87°F)
33°C
(92°F)
36°C
(96°F)
38°C
(101°F)
38°C
(100°F)
38°C
(101°F)
Average high34°C
(94°F)
34°C
(93°F)
34°C
(93°F)
33°C
(91°F)
30°C
(86°F)
28°C
(82°F)
27°C
(81°F)
29°C
(85°F)
31°C
(89°F)
33°C
(91°F)
34°C
(93°F)
35°C
(95°F)
Daily mean28°C
(83°F)
28°C
(82°F)
28°C
(82°F)
27°C
(80°F)
23°C
(74°F)
22°C
(71°F)
21°C
(69°F)
22°C
(72°F)
24°C
(76°F)
26°C
(78°F)
27°C
(80°F)
28°C
(83°F)
Average low23°C
(74°F)
23°C
(74°F)
23°C
(73°F)
21°C
(71°F)
18°C
(64°F)
16°C
(62°F)
15°C
(59°F)
16°C
(61°F)
18°C
(64°F)
20°C
(67°F)
21°C
(70°F)
23°C
(74°F)
Mean minimum20°C
(69°F)
21°C
(69°F)
19°C
(67°F)
17°C
(63°F)
14°C
(58°F)
14°C
(57°F)
11°C
(52°F)
12°C
(55°F)
14°C
(57°F)
15°C
(59°F)
17°C
(63°F)
19°C
(66°F)
Minimum19°C
(66°F)
20°C
(67°F)
19°C
(66°F)
16°C
(61°F)
13°C
(56°F)
12°C
(54°F)
9°C
(49°F)
11°C
(53°F)
12°C
(55°F)
12°C
(54°F)
16°C
(61°F)
18°C
(64°F)

Compare climate in Betioky with other places

Compare temperature, precipitation, sunshine, UV index in Betioky, Madagascar with other places around the world.

Monthly average precipitation in Betioky, Madagascar

Betioky usually has the most precipitation in January, February and December, with an average of 10 rainy days and 101 mm (4.0 inches) of precipitation per month. The driest months in Betioky are May, July and August. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Betioky. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)119 (4.7)122 (4.8)49 (1.9)20 (0.8)4 (0.2)7 (0.3)2 (0.1)0 (0.0)10 (0.4)6 (0.2)26 (1.0)61 (2.4)
Average precipitation days (≥ 1 mm)11129302001138

Monthly sunshine hours in Betioky, Madagascar

The sunniest months in Betioky are October, November and December, when the sun shines an average of 12 hours 25 minutes a day. Least sunny months in Betioky: January, June and July receive an average of 10 hours 10 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Betioky. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours305325352328325307323334338370375397
Mean daily daylight hours13h 23m12h 52m12h 11m11h 30m10h 57m10h 40m10h 49m11h 18m11h 57m12h 38m13h 14m13h 33m

Solar UV radiation in Betioky, Madagascar

Betioky experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 15 - 16, which corresponds to the Extreme category of sun exposure. May, June and July are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Betioky UV Index data.

Average daily maximum UV levels by month for Betioky. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)15161411866911121415