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Monthly climate in Ariquemes, Rondônia, Brazil

Last updated: March 2, 2024

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, Rondônia, 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, Rondônia, Brazil. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 34°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 maximum 33°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 high 30°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 mean 26°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 low 23°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 minimum 22°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)
Minimum 21°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, Rondônia, Brazil with other places around the world.

Monthly average precipitation in Ariquemes, Rondônia, 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, Rondônia, Brazil. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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) 23 25 28 25 13 3 0 4 10 20 25 28

Monthly sunshine hours in Ariquemes, Rondônia, 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, Rondônia, Brazil. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 197 204 240 254 297 312 337 316 301 284 240 237
Mean daily daylight hours 12h 36m 12h 24m 12h 7m 11h 51m 11h 38m 11h 32m 11h 35m 11h 47m 12h 2m 12h 18m 12h 33m 12h 40m

Solar UV radiation in Ariquemes, Rondônia, 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, Rondônia, Brazil. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 15 16 16 15 12 10 10 11 12 15 15 15

Detailed Monthly Weather Insights for Ariquemes, Rondônia, Brazil

Discover in-depth weather details for every month in Ariquemes. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Ariquemes's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.