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Monthly climate in Riacho de Santana, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Riacho de Santana features a tropical savanna climate (Aw). Temperatures typically range between 23 °C (74 °F) and 29 °C (84 °F) through the year, but rarely can drop to 13 °C (56 °F) or can rise to as high as 40 °C (105 °F). The average annual precipitation amounts to about 670 mm (26.4 inches) and receives 69 rainy days on the 1 mm (0.04 inches) threshold annually. Riacho de Santana enjoys an average of 3847 hours of sunshine throughout the year, and daylight varies from 11 hours 19 minutes to 12 hours 54 minutes per day.

Monthly average temperatures in Riacho de Santana, Brazil

The warmest months in Riacho de Santana are January, September and October, with daily mean temperatures ranging from 27 to 29 °C (81 - 84 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 23 to 25 °C (74 - 77 °F) throughout the day. On average each year, Riacho de Santana experiences 326 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 Riacho de Santana. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum37°C
(99°F)		37°C
(99°F)		36°C
(97°F)		35°C
(95°F)		36°C
(97°F)		35°C
(95°F)		34°C
(94°F)		35°C
(96°F)		40°C
(104°F)		40°C
(105°F)		38°C
(102°F)		38°C
(101°F)
Mean maximum36°C
(97°F)		35°C
(95°F)		35°C
(95°F)		34°C
(94°F)		34°C
(94°F)		34°C
(93°F)		33°C
(92°F)		35°C
(95°F)		38°C
(101°F)		39°C
(102°F)		35°C
(96°F)		35°C
(95°F)
Average high33°C
(91°F)		31°C
(88°F)		32°C
(89°F)		31°C
(89°F)		31°C
(89°F)		31°C
(88°F)		30°C
(86°F)		32°C
(90°F)		34°C
(94°F)		35°C
(96°F)		32°C
(89°F)		32°C
(89°F)
Daily mean27°C
(81°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		25°C
(78°F)		24°C
(76°F)		23°C
(74°F)		25°C
(77°F)		27°C
(81°F)		29°C
(84°F)		26°C
(80°F)		26°C
(80°F)
Average low22°C
(72°F)		22°C
(71°F)		22°C
(71°F)		21°C
(70°F)		20°C
(68°F)		19°C
(66°F)		17°C
(63°F)		18°C
(65°F)		20°C
(68°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)
Mean minimum20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		19°C
(67°F)		17°C
(62°F)		17°C
(62°F)		15°C
(59°F)		16°C
(61°F)		17°C
(63°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)
Minimum18°C
(65°F)		19°C
(67°F)		19°C
(66°F)		18°C
(64°F)		13°C
(56°F)		15°C
(59°F)		14°C
(58°F)		15°C
(60°F)		16°C
(61°F)		19°C
(67°F)		19°C
(66°F)		19°C
(67°F)

Compare climate in Riacho de Santana with other places

Compare temperature, precipitation, sunshine, UV index in Riacho de Santana, Brazil with other places around the world.

Monthly average precipitation in Riacho de Santana, Brazil

Riacho de Santana usually has the most precipitation in February, November and December, with an average of 13 rainy days and 132 mm (5.2 inches) of precipitation per month. The driest months in Riacho de Santana are June, July and August. On average, 1 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Riacho de Santana. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)51 (2.0)119 (4.7)115 (4.5)60 (2.4)8 (0.3)1 (0.0)1 (0.0)0 (0.0)2 (0.1)36 (1.4)134 (5.3)142 (5.6)
Average precipitation days (≥ 1 mm)7141161000051312

Monthly sunshine hours in Riacho de Santana, Brazil

The sunniest months in Riacho de Santana are August, September and October, when the sun shines an average of 11 hours 11 minutes a day. Least sunny months in Riacho de Santana: January, February and November receive an average of 9 hours 49 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Riacho de Santana. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours286289316319323320331337340351306322
Mean daily daylight hours12h 48m12h 31m12h 8m11h 46m11h 28m11h 19m11h 23m11h 39m12h 1m12h 23m12h 44m12h 54m

Solar UV radiation in Riacho de Santana, Brazil

Riacho de Santana experiences the highest level of ultraviolet (UV) radiation in March, November and December, 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 Riacho de Santana UV Index data.

Average daily maximum UV levels by month for Riacho de Santana. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)15151513119101213141515