Rio Das Ostras Weather History Rio de Janeiro, Brazil

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Daily and hourly data from 1 Jan 2009 onwards.
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Sun 19 Oct, 2025 Weather in Rio Das Ostras

Sunrise: 05:12 AM Sunset: 05:54 PM	Moonrise: 03:57 AM Moonset: 04:27 PM	Max: 21.1 °c	Min: 18.1 °c	Avg: 19.8 °c	Precip: 17.50 mm	Max Wind: 27.7 kph

	Sun 19 0:00 am	Sun 19 3:00 am	Sun 19 6:00 am	Sun 19 9:00 am	Sun 19 12:00 pm	Sun 19 3:00 pm	Sun 19 6:00 pm	Sun 19 9:00 pm
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Temp	21.1°c	21.0°c	20.5°c	20.2°c	19.8°c	19.4°c	19.0°c	18.4°c
Wind	8.3 kmph	12.2 kmph	25.9 kmph	23.8 kmph	27.4 kmph	25.6 kmph	25.9 kmph	25.6 kmph
Precip	2.90 mm	0.30 mm	0.30 mm	1.00 mm	0.30 mm	0.30 mm	0.40 mm	0.60 mm
Cloud	100%	100%	100%	100%	100%	87%	87%	100%
Humidity	98%	98%	91%	94%	89%	87%	85%	85%
Pressure	1012 mb	1010 mb	1012 mb	1015 mb	1017 mb	1017 mb	1018 mb	1021 mb

Rio Das Ostras Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	29°C / 84°F	23°C / 73°F	25°C / 78°F	213 hours	165.69 mm / 6.52 In	11 days	1013 mb / 30 In
February	29°C / 85°F	23°C / 73°F	25°C / 78°F	213 hours	117.32 mm / 4.62 In	10 days	1013 mb / 30 In
March	29°C / 83°F	22°C / 72°F	25°C / 77°F	202 hours	167.42 mm / 6.59 In	11 days	1014 mb / 30 In
April	27°C / 80°F	21°C / 70°F	23°C / 74°F	198 hours	85.02 mm / 3.35 In	7 days	1015 mb / 30 In
May	25°C / 78°F	19°C / 67°F	22°C / 71°F	240 hours	53.19 mm / 2.09 In	4 days	1018 mb / 31 In
June	25°C / 77°F	18°C / 65°F	21°C / 70°F	254 hours	30.46 mm / 1.20 In	3 days	1019 mb / 31 In
July	25°C / 76°F	18°C / 64°F	21°C / 69°F	266 hours	27.07 mm / 1.07 In	2 days	1021 mb / 31 In
August	25°C / 77°F	18°C / 64°F	21°C / 70°F	249 hours	42.52 mm / 1.67 In	3 days	1020 mb / 31 In
September	26°C / 79°F	19°C / 67°F	22°C / 72°F	228 hours	60.65 mm / 2.39 In	4 days	1018 mb / 31 In
October	26°C / 79°F	21°C / 69°F	23°C / 73°F	170 hours	105.81 mm / 4.17 In	7 days	1015 mb / 30 In
November	26°C / 79°F	21°C / 69°F	23°C / 74°F	145 hours	229.63 mm / 9.04 In	12 days	1013 mb / 30 In
December	28°C / 82°F	22°C / 72°F	25°C / 76°F	164 hours	218.60 mm / 8.61 In	13 days	1012 mb / 30 In

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