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Monthly climate in Parnaiba, Piauí, Brazil

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Parnaiba features a tropical savanna climate (Aw).Temperatures typically range between 27 °C (81 °F) and 29 °C (84 °F) through the year, but rarely can drop to 22 °C (71 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1343 mm (52.9 inches) and receives 142 rainy days on the 1 mm (0.04 inches) threshold annually.Parnaiba enjoys an average of 3823 hours of sunshine throughout the year, and daylight varies from 11 hours 56 minutes to 12 hours 16 minutes per day.

Monthly average temperatures in Parnaiba, Piauí, Brazil §

The warmest months in Parnaiba are September, October and November, with daily mean temperatures ranging from 29 to 29 °C (84 - 84 °F) throughout the day. The coldest temperatures usually occur in February, March and April, when daily mean temperatures range from 27 to 27 °C (81 - 81 °F) throughout the day. On average each year, Parnaiba 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 Parnaiba, 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 35°C
(96°F)		 34°C
(94°F)		 33°C
(91°F)		 34°C
(93°F)		 33°C
(92°F)		 35°C
(95°F)		 35°C
(95°F)		 36°C
(98°F)		 36°C
(97°F)		 37°C
(99°F)		 37°C
(98°F)		 36°C
(97°F)
Mean maximum 34°C
(93°F)		 33°C
(91°F)		 32°C
(90°F)		 33°C
(91°F)		 33°C
(91°F)		 33°C
(92°F)		 34°C
(94°F)		 35°C
(96°F)		 36°C
(97°F)		 36°C
(98°F)		 36°C
(97°F)		 35°C
(95°F)
Average high 31°C
(89°F)		 30°C
(87°F)		 30°C
(87°F)		 30°C
(87°F)		 31°C
(88°F)		 32°C
(90°F)		 33°C
(91°F)		 34°C
(93°F)		 35°C
(95°F)		 35°C
(95°F)		 34°C
(94°F)		 33°C
(92°F)
Daily mean 28°C
(82°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(82°F)		 28°C
(82°F)		 28°C
(83°F)		 28°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)
Average low 25°C
(77°F)		 25°C
(77°F)		 25°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(78°F)		 26°C
(78°F)		 25°C
(78°F)
Mean minimum 24°C
(75°F)		 23°C
(74°F)		 23°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 23°C
(73°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(76°F)		 24°C
(76°F)		 25°C
(76°F)
Minimum 23°C
(74°F)		 22°C
(72°F)		 22°C
(73°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(73°F)		 22°C
(72°F)		 22°C
(71°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)

Compare climate in Parnaiba with other places

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

Monthly average precipitation in Parnaiba, Piauí, Brazil §

Parnaiba usually has the most precipitation in February, March and April, with an average of 26 rainy days and 293 mm (11.6 inches) of precipitation per month.The driest months in Parnaiba are August, September and October. On average, 4 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Parnaiba, 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) 121 (4.8) 279 (11.0) 308 (12.1) 293 (11.5) 184 (7.2) 39 (1.5) 31 (1.2) 3 (0.1) 2 (0.1) 7 (0.3) 20 (0.8) 57 (2.2)
Average precipitation days (≥ 1 mm) 20 25 30 25 18 6 3 0 0 1 4 10

Monthly sunshine hours in Parnaiba, Piauí, Brazil §

The sunniest months in Parnaiba are July, August and October, when the sun shines an average of 11 hours 18 minutes a day.Least sunny months in Parnaiba: January, February and April receive an average of 8 hours 57 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Parnaiba, 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 255 268 306 283 314 328 345 348 344 357 340 329
Mean daily daylight hours 12h 15m 12h 11m 12h 6m 12h 1m 11h 58m 11h 56m 11h 57m 12h 0m 12h 4m 12h 9m 12h 14m 12h 16m

Solar UV radiation in Parnaiba, Piauí, Brazil §

Parnaiba experiences the highest level of ultraviolet (UV) radiation in January, March and April, when the maximum UV index can reach values of 14 - 16, which corresponds to the Extreme category of sun exposure.June, July and August 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 Parnaiba UV Index data.

Average daily maximum UV levels by month for Parnaiba, 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) 14 14 16 15 13 12 11 12 13 13 13 13