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Monthly climate in Ariquemes, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ariquemes features a tropical savanna climate (Aw). Temperatures typically range between 25 °C (78 °F) and 28 °C (82 °F) through the year, but rarely can drop to 12 °C (54 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1879 mm (74.0 inches) and receives 204 rainy days on the 1 mm (0.04 inches) threshold annually. Ariquemes enjoys an average of 3225 hours of sunshine throughout the year, and daylight varies from 11 hours 32 minutes to 12 hours 40 minutes per day.

Monthly average temperatures in Ariquemes, Brazil

The warmest months in Ariquemes are August, September and October, with daily mean temperatures ranging from 27 to 28 °C (80 - 82 °F) throughout the day. The coldest temperatures usually occur in February, March and May, when daily mean temperatures range from 25 to 26 °C (78 - 78 °F) throughout the day. On average each year, Ariquemes experiences 328 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 Ariquemes. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum34°C
(94°F)		34°C
(94°F)		35°C
(94°F)		34°C
(94°F)		34°C
(94°F)		35°C
(96°F)		37°C
(98°F)		38°C
(101°F)		38°C
(101°F)		37°C
(99°F)		35°C
(96°F)		35°C
(95°F)
Mean maximum33°C
(93°F)		33°C
(92°F)		34°C
(93°F)		34°C
(93°F)		34°C
(93°F)		34°C
(94°F)		36°C
(98°F)		37°C
(99°F)		37°C
(100°F)		36°C
(97°F)		34°C
(94°F)		34°C
(94°F)
Average high30°C
(87°F)		30°C
(86°F)		30°C
(87°F)		31°C
(87°F)		31°C
(88°F)		32°C
(89°F)		34°C
(93°F)		34°C
(94°F)		35°C
(95°F)		33°C
(91°F)		31°C
(88°F)		30°C
(86°F)
Daily mean26°C
(78°F)		25°C
(78°F)		26°C
(78°F)		26°C
(79°F)		26°C
(78°F)		26°C
(78°F)		26°C
(79°F)		27°C
(81°F)		28°C
(82°F)		27°C
(80°F)		26°C
(79°F)		26°C
(78°F)
Average low23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		22°C
(72°F)		21°C
(70°F)		20°C
(68°F)		21°C
(71°F)		23°C
(73°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)
Mean minimum22°C
(71°F)		21°C
(71°F)		22°C
(71°F)		21°C
(70°F)		18°C
(64°F)		19°C
(66°F)		15°C
(59°F)		16°C
(62°F)		20°C
(69°F)		21°C
(71°F)		22°C
(72°F)		22°C
(72°F)
Minimum21°C
(71°F)		21°C
(70°F)		21°C
(70°F)		19°C
(66°F)		14°C
(57°F)		16°C
(61°F)		12°C
(54°F)		13°C
(55°F)		18°C
(64°F)		21°C
(70°F)		22°C
(71°F)		21°C
(71°F)

Compare climate in Ariquemes with other places

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

Monthly average precipitation in Ariquemes, Brazil

Ariquemes usually has the most precipitation in February, March and December, with an average of 27 rainy days and 280 mm (11.0 inches) of precipitation per month. The driest months in Ariquemes are June, July and August. On average, 14 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ariquemes. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)218 (8.6)300 (11.8)260 (10.2)226 (8.9)80 (3.2)18 (0.7)2 (0.1)24 (0.9)67 (2.6)149 (5.9)255 (10.0)282 (11.1)
Average precipitation days (≥ 1 mm)232528251330410202528

Monthly sunshine hours in Ariquemes, Brazil

The sunniest months in Ariquemes are June, July and August, when the sun shines an average of 10 hours 30 minutes a day. Least sunny months in Ariquemes: January, February and December receive an average of 7 hours 2 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ariquemes. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours197204240254297312337316301284240237
Mean daily daylight hours12h 36m12h 24m12h 7m11h 51m11h 38m11h 32m11h 35m11h 47m12h 2m12h 18m12h 33m12h 40m

Solar UV radiation in Ariquemes, Brazil

Ariquemes experiences the highest level of ultraviolet (UV) radiation in February, 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 August 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 Ariquemes UV Index data.

Average daily maximum UV levels by month for Ariquemes. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151616151210101112151515