Climate Yearbook

Historical weather in Rio de Janeiro, Brazil

Rio de Janeiro weather history for 2023-2025, with daily temperatures, precipitation, monthly summaries, and records from Open-Meteo archive data.

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Weather summary

Across 2023-2025, Rio de Janeiro averaged 27.6 C for daily highs and 21.1 C for daily lows across 1096 daily observations.

The warmest month was February 2025, with an average high of 33.2 C, while July 2025 had the lowest average low at 17.2 C.

The wettest month was March 2024, totaling 253.6 mm of precipitation.

The hottest day reached 40.0 C on November 18, 2023; the coldest night fell to 14.8 C on July 16, 2025.

Monthly summary table

YearMonthAvg low CAvg high CRain and snow mmDays
2023January23.028.5197.531
2023February24.030.2128.728
2023March23.629.172.231
2023April21.226.580.230
2023May19.424.763.331
2023June18.625.028.130
2023July18.325.155.831
2023August19.326.1113.531
2023September20.528.433.330
2023October21.527.575.731
2023November22.829.650.930
2023December23.129.890.431
2024January23.829.7184.231
2024February24.630.564.729
2024March23.829.5253.631
2024April22.128.612.830
2024May21.928.938.931
2024June20.128.119.330
2024July18.724.948.831
2024August18.026.074.231
2024September20.728.614.330
2024October20.626.998.031
2024November21.227.6117.330
2024December22.629.2163.731
2025January23.931.066.231
2025February24.833.24.728
2025March23.429.555.731
2025April21.727.0122.430
2025May19.826.018.831
2025June18.425.018.030
2025July17.222.848.131
2025August17.824.022.731
2025September18.625.933.430
2025October19.325.883.131
2025November20.226.475.430
2025December22.930.275.831

Daily weather records

RecordDateValue
Hottest dayNovember 18, 202340.0 C
Coldest nightJuly 16, 202514.8 C
Wettest dayMarch 22, 2024136.9 mm

Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.