Monthly climate in Porto Walter, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Porto Walter features a tropical monsoon climate (Am). Temperatures typically range between 25 °C (77 °F) and 27 °C (80 °F) through the year, but rarely can drop to 15 °C (59 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 2166 mm (85.3 inches) and receives 234 rainy days on the 1 mm (0.04 inches) threshold annually. Porto Walter enjoys an average of 3164 hours of sunshine throughout the year, and daylight varies from 11 hours 38 minutes to 12 hours 35 minutes per day.

Monthly average temperatures in Porto Walter, Brazil

The warmest months in Porto Walter are September, October and November, with daily mean temperatures ranging from 26 to 27 °C (79 - 80 °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, Porto Walter experiences 323 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 Porto Walter. 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
(95°F)
34°C
(94°F)
33°C
(92°F)
34°C
(93°F)
34°C
(93°F)
36°C
(98°F)
36°C
(97°F)
36°C
(97°F)
36°C
(97°F)
35°C
(95°F)
Mean maximum33°C
(92°F)
33°C
(92°F)
34°C
(93°F)
33°C
(92°F)
33°C
(91°F)
32°C
(90°F)
33°C
(93°F)
35°C
(95°F)
36°C
(96°F)
35°C
(95°F)
34°C
(94°F)
34°C
(93°F)
Average high30°C
(86°F)
30°C
(86°F)
30°C
(86°F)
30°C
(87°F)
30°C
(86°F)
30°C
(86°F)
30°C
(87°F)
32°C
(90°F)
32°C
(90°F)
31°C
(89°F)
31°C
(88°F)
30°C
(87°F)
Daily mean26°C
(79°F)
26°C
(79°F)
26°C
(78°F)
26°C
(78°F)
25°C
(78°F)
25°C
(77°F)
25°C
(77°F)
26°C
(79°F)
27°C
(80°F)
26°C
(80°F)
26°C
(79°F)
26°C
(79°F)
Average low23°C
(73°F)
23°C
(74°F)
23°C
(73°F)
23°C
(73°F)
22°C
(72°F)
21°C
(71°F)
21°C
(70°F)
21°C
(71°F)
23°C
(73°F)
23°C
(74°F)
23°C
(74°F)
23°C
(74°F)
Mean minimum22°C
(71°F)
22°C
(72°F)
21°C
(71°F)
20°C
(69°F)
19°C
(67°F)
19°C
(67°F)
17°C
(63°F)
17°C
(63°F)
21°C
(70°F)
21°C
(70°F)
22°C
(71°F)
22°C
(72°F)
Minimum21°C
(70°F)
21°C
(70°F)
21°C
(70°F)
19°C
(66°F)
16°C
(62°F)
15°C
(60°F)
15°C
(59°F)
15°C
(59°F)
18°C
(65°F)
20°C
(68°F)
21°C
(69°F)
22°C
(71°F)

Compare climate in Porto Walter with other places

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

Monthly average precipitation in Porto Walter, Brazil

Porto Walter usually has the most precipitation in January, February and March, with an average of 25 rainy days and 284 mm (11.2 inches) of precipitation per month. The driest months in Porto Walter are June, July and August. On average, 69 mm (2.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Porto Walter. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)250 (9.9)294 (11.6)308 (12.1)214 (8.4)118 (4.7)82 (3.2)50 (1.9)74 (2.9)103 (4.1)190 (7.5)240 (9.5)242 (9.5)
Average precipitation days (≥ 1 mm)2325282419119815222426

Monthly sunshine hours in Porto Walter, Brazil

The sunniest months in Porto Walter are July, August and October, when the sun shines an average of 9 hours 50 minutes a day. Least sunny months in Porto Walter: January, February and March receive an average of 7 hours 21 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Porto Walter. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours201227239244276277317312273285240268
Mean daily daylight hours12h 31m12h 20m12h 7m11h 53m11h 43m11h 38m11h 40m11h 50m12h 2m12h 16m12h 28m12h 35m

Solar UV radiation in Porto Walter, Brazil

Porto Walter 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. May, June and July are in the 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 Porto Walter UV Index data.

Average daily maximum UV levels by month for Porto Walter. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151616151211111213151514