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Monthly climate in Sao Mateus do Maranhao, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sao Mateus do Maranhao features a tropical savanna climate (Aw). Temperatures typically range between 27 °C (80 °F) and 30 °C (86 °F) through the year, but rarely can drop to 19 °C (67 °F) or can rise to as high as 40 °C (103 °F). The average annual precipitation amounts to about 1553 mm (61.1 inches) and receives 165 rainy days on the 1 mm (0.04 inches) threshold annually. Sao Mateus do Maranhao enjoys an average of 3604 hours of sunshine throughout the year, and daylight varies from 11 hours 52 minutes to 12 hours 20 minutes per day.

Monthly average temperatures in Sao Mateus do Maranhao, Brazil

The warmest months in Sao Mateus do Maranhao are September, October and November, with daily mean temperatures ranging from 29 to 30 °C (85 - 86 °F) throughout the day. The coldest temperatures usually occur in February, March and April, when daily mean temperatures range from 27 to 27 °C (80 - 81 °F) throughout the day. On average each year, Sao Mateus do Maranhao experiences 329 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 Sao Mateus do Maranhao. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum35°C
(96°F)		35°C
(95°F)		34°C
(93°F)		34°C
(93°F)		34°C
(94°F)		34°C
(93°F)		35°C
(95°F)		36°C
(98°F)		37°C
(100°F)		39°C
(102°F)		38°C
(101°F)		40°C
(103°F)
Mean maximum34°C
(94°F)		34°C
(93°F)		33°C
(92°F)		33°C
(92°F)		33°C
(92°F)		33°C
(92°F)		34°C
(94°F)		36°C
(97°F)		37°C
(99°F)		37°C
(99°F)		37°C
(99°F)		36°C
(98°F)
Average high32°C
(89°F)		31°C
(89°F)		31°C
(88°F)		31°C
(88°F)		32°C
(89°F)		32°C
(90°F)		33°C
(91°F)		34°C
(94°F)		35°C
(96°F)		36°C
(96°F)		34°C
(94°F)		33°C
(92°F)
Daily mean27°C
(81°F)		27°C
(81°F)		27°C
(80°F)		27°C
(81°F)		27°C
(82°F)		28°C
(82°F)		28°C
(82°F)		29°C
(84°F)		30°C
(86°F)		30°C
(86°F)		29°C
(85°F)		28°C
(84°F)
Average low24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		25°C
(77°F)
Mean minimum23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(74°F)		22°C
(72°F)		20°C
(69°F)		21°C
(70°F)		23°C
(73°F)		24°C
(76°F)		24°C
(76°F)		23°C
(74°F)
Minimum22°C
(73°F)		22°C
(72°F)		23°C
(73°F)		22°C
(72°F)		22°C
(73°F)		21°C
(71°F)		20°C
(68°F)		19°C
(67°F)		22°C
(71°F)		24°C
(75°F)		23°C
(74°F)		22°C
(73°F)

Compare climate in Sao Mateus do Maranhao with other places

Compare temperature, precipitation, sunshine, UV index in Sao Mateus do Maranhao, Brazil with other places around the world.

Monthly average precipitation in Sao Mateus do Maranhao, Brazil

Sao Mateus do Maranhao usually has the most precipitation in February, March and April, with an average of 27 rainy days and 311 mm (12.2 inches) of precipitation per month. The driest months in Sao Mateus do Maranhao are July, August and September. On average, 10 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sao Mateus do Maranhao. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)243 (9.6)290 (11.4)365 (14.4)279 (11.0)110 (4.3)29 (1.1)17 (0.7)6 (0.2)6 (0.2)20 (0.8)77 (3.1)111 (4.4)
Average precipitation days (≥ 1 mm)242530281873104916

Monthly sunshine hours in Sao Mateus do Maranhao, Brazil

The sunniest months in Sao Mateus do Maranhao are August, September and October, when the sun shines an average of 11 hours 8 minutes a day. Least sunny months in Sao Mateus do Maranhao: January, February and April receive an average of 8 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sao Mateus do Maranhao. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours238232258256314322335344335345314306
Mean daily daylight hours12h 18m12h 13m12h 6m12h 0m11h 55m11h 52m11h 53m11h 58m12h 4m12h 11m12h 17m12h 20m

Solar UV radiation in Sao Mateus do Maranhao, Brazil

Sao Mateus do Maranhao experiences the highest level of ultraviolet (UV) radiation in January, 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 October are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 13. For more detailed information, check out our hourly Sao Mateus do Maranhao UV Index data.

Average daily maximum UV levels by month for Sao Mateus do Maranhao. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151416151311111313131413