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Monthly climate in Castro Alves, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Castro Alves features a tropical rainforest climate (Af). Temperatures typically range between 22 °C (72 °F) and 27 °C (80 °F) through the year, but rarely can drop to 15 °C (59 °F) or can rise to as high as 38 °C (100 °F). The average annual precipitation amounts to about 608 mm (23.9 inches) and receives 170 rainy days on the 1 mm (0.04 inches) threshold annually. Castro Alves enjoys an average of 3615 hours of sunshine throughout the year, and daylight varies from 11 hours 22 minutes to 12 hours 51 minutes per day.

Monthly average temperatures in Castro Alves, Brazil

The warmest months in Castro Alves are January, February and March, with daily mean temperatures ranging from 26 to 27 °C (79 - 80 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 22 to 23 °C (72 - 74 °F) throughout the day. On average each year, Castro Alves experiences 311 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 Castro Alves. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum35°C
(96°F)		37°C
(98°F)		38°C
(100°F)		36°C
(97°F)		34°C
(93°F)		31°C
(89°F)		32°C
(89°F)		32°C
(90°F)		35°C
(95°F)		36°C
(97°F)		35°C
(96°F)		36°C
(97°F)
Mean maximum34°C
(93°F)		35°C
(95°F)		35°C
(96°F)		34°C
(93°F)		32°C
(91°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		32°C
(89°F)		34°C
(94°F)		34°C
(93°F)		34°C
(94°F)
Average high31°C
(89°F)		32°C
(90°F)		32°C
(89°F)		30°C
(86°F)		28°C
(83°F)		27°C
(81°F)		26°C
(79°F)		27°C
(80°F)		28°C
(83°F)		30°C
(87°F)		30°C
(87°F)		31°C
(88°F)
Daily mean26°C
(79°F)		27°C
(80°F)		26°C
(79°F)		25°C
(78°F)		24°C
(76°F)		23°C
(74°F)		22°C
(72°F)		22°C
(72°F)		23°C
(74°F)		25°C
(77°F)		25°C
(78°F)		26°C
(78°F)
Average low22°C
(71°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		21°C
(70°F)		20°C
(68°F)		19°C
(66°F)		19°C
(66°F)		19°C
(67°F)		21°C
(70°F)		21°C
(71°F)		21°C
(71°F)
Mean minimum20°C
(67°F)		21°C
(69°F)		20°C
(69°F)		20°C
(68°F)		18°C
(65°F)		18°C
(65°F)		16°C
(61°F)		16°C
(61°F)		16°C
(62°F)		18°C
(65°F)		19°C
(67°F)		20°C
(68°F)
Minimum18°C
(65°F)		19°C
(66°F)		19°C
(66°F)		18°C
(65°F)		16°C
(62°F)		17°C
(62°F)		15°C
(59°F)		15°C
(59°F)		15°C
(60°F)		17°C
(64°F)		19°C
(66°F)		19°C
(66°F)

Compare climate in Castro Alves with other places

Compare temperature, precipitation, sunshine, UV index in Castro Alves, Brazil with other places around the world.

Monthly average precipitation in Castro Alves, Brazil

Castro Alves usually has the most precipitation in March, April and December, with an average of 14 rainy days and 71 mm (2.8 inches) of precipitation per month. The driest months in Castro Alves are January, September and October. On average, 36 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Castro Alves. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)36 (1.4)46 (1.8)67 (2.7)69 (2.7)46 (1.8)43 (1.7)44 (1.7)40 (1.6)40 (1.6)32 (1.3)67 (2.6)77 (3.0)
Average precipitation days (≥ 1 mm)121113181418161514101613

Monthly sunshine hours in Castro Alves, Brazil

The sunniest months in Castro Alves are March, October and December, when the sun shines an average of 10 hours 31 minutes a day. Least sunny months in Castro Alves: January, May and June receive an average of 9 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Castro Alves. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours281304322294287278289304305331289325
Mean daily daylight hours12h 45m12h 29m12h 8m11h 47m11h 30m11h 22m11h 26m11h 41m12h 1m12h 22m12h 41m12h 51m

Solar UV radiation in Castro Alves, Brazil

Castro Alves experiences the highest level of ultraviolet (UV) radiation in January, October and November, when the maximum UV index can reach values of 15 - 15, which corresponds to the Extreme category of sun exposure. May, June and July 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 Castro Alves UV Index data.

Average daily maximum UV levels by month for Castro Alves. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)15141413119101213151514