Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Altos features a tropical savanna climate (Aw).Temperatures typically range between 26 °C (80 °F) and 31 °C (88 °F) through the year, but rarely can drop to 20 °C (69 °F) or can rise to as high as 40 °C (104 °F).The average annual precipitation amounts to about 1504 mm (59.2 inches) and receives 134 rainy days on the 1 mm (0.04 inches) threshold annually.Altos enjoys an average of 3772 hours of sunshine throughout the year, and daylight varies from 11 hours 49 minutes to 12 hours 23 minutes per day.
The warmest months in Altos are September, October and November, with daily mean temperatures ranging from 30 to 31 °C (86 - 88 °F) throughout the day. The coldest temperatures usually occur in February, March and April, when daily mean temperatures range from 26 to 27 °C (80 - 80 °F) throughout the day. On average each year, Altos experiences 329 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 38°C (101°F) | 35°C (96°F) | 34°C (94°F) | 34°C (94°F) | 35°C (96°F) | 35°C (95°F) | 35°C (95°F) | 37°C (100°F) | 39°C (103°F) | 39°C (103°F) | 39°C (102°F) | 40°C (104°F) |
Mean maximum | 36°C (97°F) | 34°C (94°F) | 33°C (92°F) | 33°C (92°F) | 34°C (93°F) | 34°C (93°F) | 35°C (95°F) | 37°C (98°F) | 38°C (101°F) | 39°C (102°F) | 38°C (100°F) | 37°C (99°F) |
Average high | 32°C (90°F) | 31°C (89°F) | 31°C (88°F) | 31°C (89°F) | 32°C (90°F) | 33°C (92°F) | 33°C (92°F) | 35°C (95°F) | 36°C (98°F) | 37°C (99°F) | 36°C (96°F) | 34°C (94°F) |
Daily mean | 27°C (81°F) | 27°C (80°F) | 26°C (80°F) | 27°C (80°F) | 27°C (81°F) | 28°C (83°F) | 28°C (83°F) | 29°C (85°F) | 31°C (87°F) | 31°C (88°F) | 30°C (86°F) | 29°C (84°F) |
Average low | 24°C (75°F) | 23°C (74°F) | 23°C (74°F) | 23°C (74°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 25°C (77°F) | 25°C (78°F) | 25°C (78°F) | 25°C (77°F) |
Mean minimum | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 22°C (71°F) | 22°C (72°F) | 23°C (74°F) | 24°C (75°F) | 24°C (75°F) | 23°C (74°F) |
Minimum | 21°C (71°F) | 22°C (72°F) | 22°C (71°F) | 21°C (70°F) | 22°C (72°F) | 21°C (70°F) | 20°C (69°F) | 21°C (69°F) | 23°C (73°F) | 23°C (73°F) | 23°C (74°F) | 22°C (72°F) |
Compare temperature, precipitation, sunshine, UV index in Altos, Piauí, Brazil with other places around the world.
Altos usually has the most precipitation in February, March and April, with an average of 25 rainy days and 349 mm (13.7 inches) of precipitation per month.The driest months in Altos are June, August and September. On average, 4 mm (0.2 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 199 (7.8) | 366 (14.4) | 387 (15.2) | 294 (11.6) | 81 (3.2) | 9 (0.3) | 12 (0.5) | 3 (0.1) | 2 (0.1) | 11 (0.4) | 45 (1.8) | 95 (3.7) |
Average precipitation days (≥ 1 mm) | 20 | 24 | 28 | 24 | 13 | 1 | 2 | 0 | 0 | 3 | 7 | 12 |
The sunniest months in Altos are August, September and October, when the sun shines an average of 11 hours 21 minutes a day.Least sunny months in Altos: January, February and March receive an average of 8 hours 42 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 248 | 257 | 286 | 289 | 326 | 325 | 336 | 345 | 344 | 355 | 332 | 325 |
Mean daily daylight hours | 12h 21m | 12h 15m | 12h 6m | 11h 58m | 11h 52m | 11h 49m | 11h 50m | 11h 56m | 12h 3m | 12h 12m | 12h 19m | 12h 23m |
Altos experiences the highest level of ultraviolet (UV) radiation in March, April and December, when the maximum UV index can reach values of 14 - 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 Altos UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 14 | 14 | 16 | 15 | 13 | 11 | 11 | 13 | 13 | 13 | 14 | 14 |