Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Sao Joao do Piaui features a hot semi-arid climate (BSh).Temperatures typically range between 27 °C (81 °F) and 31 °C (88 °F) through the year, but rarely can drop to 18 °C (66 °F) or can rise to as high as 40 °C (105 °F).The average annual precipitation amounts to about 582 mm (22.9 inches) and receives 74 rainy days on the 1 mm (0.04 inches) threshold annually.Sao Joao do Piaui enjoys an average of 3847 hours of sunshine throughout the year, and daylight varies from 11 hours 37 minutes to 12 hours 35 minutes per day.
The warmest months in Sao Joao do Piaui are September, October and November, with daily mean temperatures ranging from 29 to 31 °C (85 - 88 °F) throughout the day. The coldest temperatures usually occur in February, March and July, when daily mean temperatures range from 27 to 27 °C (81 - 82 °F) throughout the day. On average each year, Sao Joao do Piaui 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 (100°F) | 39°C (102°F) | 35°C (96°F) | 36°C (97°F) | 37°C (99°F) | 36°C (97°F) | 38°C (101°F) | 38°C (100°F) | 40°C (105°F) | 40°C (104°F) | 39°C (103°F) | 39°C (103°F) |
Mean maximum | 36°C (97°F) | 35°C (96°F) | 34°C (93°F) | 35°C (95°F) | 35°C (96°F) | 35°C (95°F) | 35°C (96°F) | 37°C (99°F) | 39°C (102°F) | 39°C (102°F) | 37°C (99°F) | 36°C (97°F) |
Average high | 33°C (91°F) | 32°C (89°F) | 31°C (89°F) | 32°C (90°F) | 33°C (92°F) | 33°C (92°F) | 33°C (92°F) | 35°C (95°F) | 36°C (97°F) | 37°C (98°F) | 34°C (94°F) | 33°C (92°F) |
Daily mean | 28°C (83°F) | 27°C (81°F) | 27°C (81°F) | 27°C (82°F) | 28°C (83°F) | 28°C (82°F) | 27°C (82°F) | 29°C (84°F) | 30°C (86°F) | 31°C (88°F) | 29°C (85°F) | 28°C (83°F) |
Average low | 24°C (76°F) | 23°C (74°F) | 23°C (74°F) | 24°C (75°F) | 24°C (75°F) | 23°C (73°F) | 22°C (71°F) | 22°C (72°F) | 24°C (75°F) | 25°C (78°F) | 25°C (78°F) | 24°C (76°F) |
Mean minimum | 22°C (72°F) | 22°C (71°F) | 22°C (71°F) | 22°C (72°F) | 22°C (71°F) | 21°C (70°F) | 20°C (68°F) | 20°C (68°F) | 21°C (71°F) | 23°C (73°F) | 23°C (74°F) | 22°C (72°F) |
Minimum | 21°C (70°F) | 21°C (70°F) | 21°C (69°F) | 21°C (70°F) | 20°C (68°F) | 19°C (67°F) | 19°C (67°F) | 18°C (66°F) | 20°C (69°F) | 22°C (72°F) | 21°C (71°F) | 22°C (71°F) |
Compare temperature, precipitation, sunshine, UV index in Sao Joao do Piaui, Piauí, Brazil with other places around the world.
Sao Joao do Piaui usually has the most precipitation in February, March and April, with an average of 15 rainy days and 121 mm (4.8 inches) of precipitation per month.The driest months in Sao Joao do Piaui are July, August and September. On average, 0 mm (0.0 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 59 (2.3) | 153 (6.0) | 109 (4.3) | 100 (3.9) | 15 (0.6) | 2 (0.1) | 1 (0.0) | 0 (0.0) | 0 (0.0) | 34 (1.3) | 55 (2.2) | 53 (2.1) |
Average precipitation days (≥ 1 mm) | 10 | 16 | 18 | 11 | 3 | 0 | 0 | 0 | 0 | 3 | 6 | 7 |
The sunniest months in Sao Joao do Piaui are August, September and October, when the sun shines an average of 11 hours 20 minutes a day.Least sunny months in Sao Joao do Piaui: January, February and April receive an average of 9 hours 37 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 274 | 279 | 316 | 312 | 322 | 320 | 322 | 343 | 343 | 356 | 327 | 327 |
Mean daily daylight hours | 12h 32m | 12h 21m | 12h 7m | 11h 53m | 11h 42m | 11h 37m | 11h 40m | 11h 50m | 12h 2m | 12h 16m | 12h 29m | 12h 35m |
Sao Joao do Piaui experiences the highest level of ultraviolet (UV) radiation in January, February and March, when the maximum UV index can reach values of 15 - 15, 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 Sao Joao do Piaui UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 15 | 15 | 15 | 14 | 12 | 11 | 11 | 12 | 13 | 14 | 14 | 14 |