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Monthly climate in Atalaia, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Atalaia features a tropical savanna climate (As). Temperatures typically range between 23 °C (74 °F) and 27 °C (81 °F) through the year, but rarely can drop to 17 °C (62 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 1064 mm (41.9 inches) and receives 245 rainy days on the 1 mm (0.04 inches) threshold annually. Atalaia enjoys an average of 3876 hours of sunshine throughout the year, and daylight varies from 11 hours 33 minutes to 12 hours 39 minutes per day.

Monthly average temperatures in Atalaia, Brazil

The warmest months in Atalaia are January, February and March, with daily mean temperatures ranging from 26 to 27 °C (80 - 81 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 23 to 24 °C (74 - 75 °F) throughout the day. On average each year, Atalaia experiences 320 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 Atalaia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum34°C
(93°F)		34°C
(93°F)		36°C
(98°F)		33°C
(91°F)		34°C
(93°F)		29°C
(85°F)		29°C
(85°F)		30°C
(87°F)		32°C
(89°F)		33°C
(92°F)		34°C
(94°F)		35°C
(95°F)
Mean maximum32°C
(91°F)		33°C
(92°F)		34°C
(93°F)		32°C
(90°F)		31°C
(89°F)		29°C
(84°F)		28°C
(83°F)		29°C
(84°F)		30°C
(86°F)		32°C
(90°F)		33°C
(91°F)		34°C
(93°F)
Average high31°C
(87°F)		31°C
(88°F)		31°C
(88°F)		30°C
(86°F)		28°C
(83°F)		27°C
(81°F)		26°C
(80°F)		27°C
(80°F)		27°C
(82°F)		29°C
(85°F)		30°C
(87°F)		31°C
(88°F)
Daily mean26°C
(80°F)		27°C
(81°F)		27°C
(80°F)		26°C
(79°F)		25°C
(77°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		24°C
(75°F)		25°C
(78°F)		26°C
(79°F)		26°C
(80°F)
Average low23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		22°C
(72°F)		21°C
(71°F)		20°C
(69°F)		20°C
(69°F)		21°C
(70°F)		22°C
(72°F)		23°C
(73°F)		23°C
(74°F)
Mean minimum22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		21°C
(71°F)		21°C
(70°F)		20°C
(68°F)		18°C
(65°F)		18°C
(65°F)		19°C
(66°F)		21°C
(69°F)		21°C
(70°F)		21°C
(71°F)
Minimum22°C
(71°F)		22°C
(72°F)		21°C
(71°F)		21°C
(70°F)		20°C
(69°F)		18°C
(66°F)		17°C
(63°F)		17°C
(62°F)		18°C
(65°F)		20°C
(69°F)		20°C
(69°F)		21°C
(70°F)

Compare climate in Atalaia with other places

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

Monthly average precipitation in Atalaia, Brazil

Atalaia usually has the most precipitation in May, June and July, with an average of 24 rainy days and 139 mm (5.5 inches) of precipitation per month. The driest months in Atalaia are October, November and December. On average, 42 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Atalaia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)49 (1.9)53 (2.1)125 (4.9)126 (5.0)132 (5.2)132 (5.2)154 (6.1)97 (3.8)71 (2.8)42 (1.6)38 (1.5)46 (1.8)
Average precipitation days (≥ 1 mm)171822232425252422161514

Monthly sunshine hours in Atalaia, Brazil

The sunniest months in Atalaia are October, November and December, when the sun shines an average of 11 hours 18 minutes a day. Least sunny months in Atalaia: January, June and July receive an average of 9 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Atalaia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours283318343323314298300324329350343346
Mean daily daylight hours12h 35m12h 23m12h 7m11h 52m11h 39m11h 33m11h 36m11h 47m12h 2m12h 18m12h 32m12h 39m

Solar UV radiation in Atalaia, Brazil

Atalaia experiences the highest level of ultraviolet (UV) radiation in April, November and December, when the maximum UV index can reach values of 14 - 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 12. For more detailed information, check out our hourly Atalaia UV Index data.

Average daily maximum UV levels by month for Atalaia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141414141210101213131514