União, br-Piauí, Brazil Weather Information
Local Time
2026-02-28 05:24:56 Brasilia Standard TimeWeather in the past year
Sun & Astronomy
In União, br-Piauí, Brazil, today's sunrise time is 05:56, sunset time is 18:10, nautical twilight begins at 05:12, nautical twilight ends at 18:55, astronomical twilight begins at 04:48, astronomical twilight ends at 19:19.
Temperature Analysis
In União, br-Piauí, Brazil region, the lowest temperature occurs in March 2025, with an average temperature of about 26.1°C.
The highest temperature occurs in September 2025, with a maximum temperature of up to 30.9°C.
Based on historical data, the average temperature in January is 26.4°C, February is 26.3°C, March is 26.1°C, April is 26.9°C, May is 27.2°C, June is 27.2°C, July is 27.8°C, August is 28.6°C, September is 30.9°C, October is 30.8°C, November is 30.8°C, December is 28.9°C.
Wind Analysis
In União, br-Piauí, Brazil region, the lowest wind speed occurs in April 2025, with an average wind speed of about 27.5 km/h.
The highest wind speed occurs in October 2025, with a maximum wind speed of up to 40.5 km/h.
Based on historical data, the average wind speed in January is 29.6 km/h, February is 30.1 km/h, March is 27.7 km/h, April is 27.5 km/h, May is 33.5 km/h, June is 35.5 km/h, July is 32.4 km/h, August is 36 km/h, September is 39.8 km/h, October is 40.5 km/h, November is 38.5 km/h, December is 34 km/h.
Sunshine Duration Analysis
In União, br-Piauí, Brazil region, the lowest sunshine duration occurs in January 2025, with an average sunshine duration of about 9 hours.
The highest sunshine duration occurs in September 2025, with a maximum sunshine duration of up to 11.3 hours.
Based on historical data, the average sunshine duration in January is 9 hours, February is 9.2 hours, March is 9.1 hours, April is 9.8 hours, May is 10.6 hours, June is 10.8 hours, July is 10.8 hours, August is 11.1 hours, September is 11.3 hours, October is 11 hours, November is 11.1 hours, December is 9.1 hours.
Precipitation Analysis
In União, br-Piauí, Brazil region, the lowest precipitation occurs in September 2025, with an average precipitation of about 0 mm.
The highest precipitation occurs in January 2025, with a maximum precipitation of up to 11.7 mm.
Based on historical data, the average precipitation in January is 11.7 mm, February is 9.5 mm, March is 9.1 mm, April is 4.5 mm, May is 2 mm, June is 1.2 mm, July is 0.2 mm, August is 0.3 mm, September is 0 mm, October is 0.5 mm, November is 0.9 mm, December is 3 mm.