Monthly climate in Guajara Mirim, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Guajara Mirim features a tropical savanna climate (Aw). Temperatures typically range between 25 °C (77 °F) and 28 °C (82 °F) through the year, but rarely can drop to 11 °C (52 °F) or can rise to as high as 38 °C (100 °F). The average annual precipitation amounts to about 1921 mm (75.6 inches) and receives 209 rainy days on the 1 mm (0.04 inches) threshold annually. Guajara Mirim enjoys an average of 3186 hours of sunshine throughout the year, and daylight varies from 11 hours 29 minutes to 12 hours 43 minutes per day.

Monthly average temperatures in Guajara Mirim, Brazil

The warmest months in Guajara Mirim are September, October and November, with daily mean temperatures ranging from 27 to 28 °C (80 - 82 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 25 to 25 °C (77 - 78 °F) throughout the day. On average each year, Guajara Mirim experiences 321 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 Guajara Mirim. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum34°C
(94°F)
35°C
(95°F)
34°C
(94°F)
34°C
(93°F)
34°C
(93°F)
34°C
(93°F)
37°C
(98°F)
38°C
(100°F)
38°C
(100°F)
38°C
(100°F)
37°C
(99°F)
35°C
(96°F)
Mean maximum34°C
(93°F)
33°C
(92°F)
34°C
(93°F)
33°C
(92°F)
33°C
(92°F)
33°C
(92°F)
35°C
(96°F)
37°C
(98°F)
37°C
(99°F)
37°C
(98°F)
35°C
(96°F)
34°C
(94°F)
Average high30°C
(87°F)
30°C
(86°F)
30°C
(87°F)
30°C
(87°F)
30°C
(87°F)
30°C
(86°F)
32°C
(90°F)
33°C
(93°F)
34°C
(94°F)
33°C
(92°F)
31°C
(89°F)
30°C
(87°F)
Daily mean26°C
(79°F)
26°C
(79°F)
26°C
(79°F)
26°C
(79°F)
25°C
(78°F)
25°C
(77°F)
25°C
(77°F)
26°C
(79°F)
28°C
(82°F)
27°C
(81°F)
27°C
(80°F)
26°C
(79°F)
Average low23°C
(74°F)
23°C
(74°F)
23°C
(74°F)
23°C
(74°F)
22°C
(71°F)
21°C
(69°F)
19°C
(67°F)
20°C
(69°F)
23°C
(73°F)
23°C
(74°F)
23°C
(74°F)
23°C
(74°F)
Mean minimum22°C
(72°F)
22°C
(72°F)
22°C
(72°F)
19°C
(67°F)
17°C
(63°F)
18°C
(64°F)
14°C
(57°F)
14°C
(58°F)
20°C
(68°F)
21°C
(70°F)
22°C
(72°F)
22°C
(72°F)
Minimum21°C
(70°F)
21°C
(69°F)
20°C
(69°F)
17°C
(63°F)
15°C
(59°F)
14°C
(58°F)
11°C
(52°F)
12°C
(55°F)
15°C
(59°F)
20°C
(67°F)
22°C
(71°F)
22°C
(71°F)

Compare climate in Guajara Mirim with other places

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

Monthly average precipitation in Guajara Mirim, Brazil

Guajara Mirim usually has the most precipitation in January, February and December, with an average of 25 rainy days and 306 mm (12.1 inches) of precipitation per month. The driest months in Guajara Mirim are June, July and August. On average, 23 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Guajara Mirim. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)261 (10.3)292 (11.5)251 (9.9)194 (7.7)74 (2.9)33 (1.3)6 (0.2)29 (1.2)53 (2.1)135 (5.3)226 (8.9)367 (14.4)
Average precipitation days (≥ 1 mm)232627241551510202528

Monthly sunshine hours in Guajara Mirim, Brazil

The sunniest months in Guajara Mirim are June, July and August, when the sun shines an average of 10 hours 12 minutes a day. Least sunny months in Guajara Mirim: January, February and December receive an average of 7 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Guajara Mirim. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours198215253244288297333308295291229228
Mean daily daylight hours12h 39m12h 25m12h 7m11h 50m11h 36m11h 29m11h 32m11h 45m12h 2m12h 20m12h 35m12h 43m

Solar UV radiation in Guajara Mirim, Brazil

Guajara Mirim experiences the highest level of ultraviolet (UV) radiation in April, November and December, when the maximum UV index can reach values of 15 - 15, 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 Guajara Mirim UV Index data.

Average daily maximum UV levels by month for Guajara Mirim. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151515151210101112151515