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Monthly climate in Diamantina, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Diamantina features a humid subtropical climate (Cwa). Temperatures typically range between 17 °C (62 °F) and 22 °C (72 °F) through the year, but rarely can drop to 4 °C (39 °F) or can rise to as high as 35 °C (94 °F). The average annual precipitation amounts to about 1203 mm (47.4 inches) and receives 123 rainy days on the 1 mm (0.04 inches) threshold annually. Diamantina enjoys an average of 3556 hours of sunshine throughout the year, and daylight varies from 11 hours 2 minutes to 13 hours 11 minutes per day.

Monthly average temperatures in Diamantina, Brazil

The warmest months in Diamantina are January, February and October, with daily mean temperatures ranging from 22 to 22 °C (71 - 72 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 17 to 18 °C (62 - 64 °F) throughout the day. On average each year, Diamantina experiences 198 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 Diamantina. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(91°F)		33°C
(91°F)		31°C
(89°F)		30°C
(86°F)		28°C
(84°F)		28°C
(83°F)		29°C
(84°F)		30°C
(87°F)		34°C
(93°F)		35°C
(94°F)		33°C
(91°F)		32°C
(89°F)
Mean maximum31°C
(88°F)		29°C
(85°F)		30°C
(86°F)		29°C
(85°F)		28°C
(82°F)		27°C
(81°F)		27°C
(81°F)		29°C
(84°F)		32°C
(91°F)		33°C
(92°F)		30°C
(87°F)		30°C
(86°F)
Average high28°C
(82°F)		26°C
(80°F)		27°C
(80°F)		25°C
(78°F)		24°C
(75°F)		24°C
(75°F)		23°C
(73°F)		24°C
(75°F)		27°C
(81°F)		28°C
(82°F)		25°C
(78°F)		26°C
(79°F)
Daily mean22°C
(72°F)		22°C
(71°F)		21°C
(71°F)		20°C
(69°F)		18°C
(65°F)		18°C
(64°F)		17°C
(62°F)		18°C
(64°F)		20°C
(69°F)		22°C
(72°F)		21°C
(70°F)		21°C
(71°F)
Average low18°C
(64°F)		18°C
(65°F)		17°C
(63°F)		16°C
(62°F)		14°C
(57°F)		13°C
(55°F)		12°C
(53°F)		12°C
(54°F)		14°C
(58°F)		17°C
(63°F)		17°C
(63°F)		18°C
(64°F)
Mean minimum15°C
(60°F)		16°C
(62°F)		15°C
(59°F)		13°C
(56°F)		9°C
(48°F)		10°C
(50°F)		8°C
(47°F)		8°C
(46°F)		10°C
(50°F)		14°C
(58°F)		15°C
(59°F)		15°C
(60°F)
Minimum14°C
(58°F)		16°C
(60°F)		14°C
(57°F)		12°C
(53°F)		4°C
(39°F)		9°C
(48°F)		7°C
(45°F)		6°C
(43°F)		9°C
(48°F)		14°C
(57°F)		14°C
(57°F)		13°C
(57°F)

Compare climate in Diamantina with other places

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

Monthly average precipitation in Diamantina, Brazil

Diamantina usually has the most precipitation in February, November and December, with an average of 18 rainy days and 220 mm (8.7 inches) of precipitation per month. The driest months in Diamantina are June, July and August. On average, 10 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Diamantina. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)116 (4.6)224 (8.8)138 (5.4)67 (2.6)36 (1.4)9 (0.4)6 (0.2)14 (0.6)28 (1.1)129 (5.1)202 (7.9)234 (9.2)
Average precipitation days (≥ 1 mm)918141272143151919

Monthly sunshine hours in Diamantina, Brazil

The sunniest months in Diamantina are July, August and September, when the sun shines an average of 10 hours 17 minutes a day. Least sunny months in Diamantina: January, February and November receive an average of 8 hours 55 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Diamantina. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours276265307300296297311312323311261293
Mean daily daylight hours13h 4m12h 40m12h 9m11h 38m11h 14m11h 2m11h 8m11h 30m11h 59m12h 30m12h 57m13h 11m

Solar UV radiation in Diamantina, Brazil

Diamantina experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 16 - 17, which corresponds to the Extreme category of sun exposure. May, June and July 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 Diamantina UV Index data.

Average daily maximum UV levels by month for Diamantina. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)1716151310891113141516