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Monthly climate in Sao Joao do Piaui, Piauí, Brazil

Last updated: March 2, 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.

Monthly average temperatures in Sao Joao do Piaui, Piauí, Brazil §

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).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sao Joao do Piaui, Piauí, Brazil. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  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 climate in Sao Joao do Piaui with other places

Compare temperature, precipitation, sunshine, UV index in Sao Joao do Piaui, Piauí, Brazil with other places around the world.

Monthly average precipitation in Sao Joao do Piaui, Piauí, Brazil §

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.

Monthly average precipitation and precipitation days in Sao Joao do Piaui, Piauí, Brazil. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  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

Monthly sunshine hours in Sao Joao do Piaui, Piauí, Brazil §

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.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sao Joao do Piaui, Piauí, Brazil. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  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

Solar UV radiation in Sao Joao do Piaui, Piauí, Brazil §

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.

Average daily maximum UV levels by month for Sao Joao do Piaui, Piauí, Brazil. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  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

Detailed Monthly Weather Insights for Sao Joao do Piaui, Piauí, Brazil

Discover in-depth weather details for every month in Sao Joao do Piaui. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Sao Joao do Piaui's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.