Sunrise & Sunset Times in Porto Alegre — January 2025

Sunrise & Sunset in Porto Alegre During January

January in Porto Alegre falls in the middle of summer in the Southern Hemisphere, delivering some of the longest days of the year. The sun rises early and sets late, with daylight often exceeding 14 hours at mid-latitudes. The high sun angle means intense midday light and short shadows. Days are still near their peak length following the December solstice, though by late January the very gradual shortening has begun — losing about a minute per day as autumn slowly approaches.

Golden Hour & Twilight in January

During January, golden hour in Porto Alegre lasts approximately 50 minutes each morning and evening. The low sun angle during these periods produces warm, directional light prized by photographers and filmmakers. Civil twilight — the period when the sun is just below the horizon — adds extra usable light before sunrise and after sunset, extending the practical daylight window beyond the times shown in the table above.

Through January, days in Porto Alegre are shortening by roughly 1.0 minutes per day, adding up to about 0h 30m over the course of the month.

January 2025 Summary — Porto Alegre

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