Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average sea temperature in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
October's presence records an average high-temperature of a still warm 26.3°C (79.3°F), closely mirroring September's climate. An average low-temperature of 20.6°C (69.1°F) is observed during October nights.Humidity
In October, the average relative humidity is 80%.Rainfall
In Rio de Janeiro, in October, it is raining for 18.3 days, with typically 67mm (2.64") of accumulated precipitation. In Rio de Janeiro, during the entire year, the rain falls for 192.5 days and collects up to 812mm (31.97") of precipitation.Sea temperature
In Rio de Janeiro, the average seawater temperature in October is 22.7°C (72.9°F).Note: Considering one's resistance to cold, elements like sunshine, wind, and the prevailing temperature matter when taking a swim in 22.7°C (72.9°F) waters. (For comparison, the Olympic swimming standard is set between 25°C (77°F) and 28°C (82.4°F).)
Daylight
In Rio de Janeiro, the average length of the day in October is 12h and 38min.On the first day of October, sunrise is at 05:32 and sunset at 17:51. On the last day of the month, sunrise is at 05:07 and sunset at 18:05 -03.
Sunshine
With an average of 7.5h of sunshine, October has the least sunshine of the year in Rio de Janeiro.UV index
In October, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: In October, a daily maximum UV index of 6 leads to the following instructions:
Deter overexposure. Protecting against the sun's effects is essential. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Warning! Sand and water reflections boost the intensity of UV exposure.
Frequently asked questions
What is the average October temperature in Rio de Janeiro?
What is the average humidity in October in Rio de Janeiro?
How much does it rain in Rio de Janeiro in October?
What is the sea temperature in October in Rio de Janeiro?
What is the average length of the day in October in Rio de Janeiro?
What time are sunrise and sunset in October in Rio de Janeiro?
What is the month with the least sunshine in Rio de Janeiro?
How many hours of sunshine does Rio de Janeiro have in October?
What is the UV index reading in October in Rio de Janeiro?
Average temperature in October
Rio de Janeiro, Brazil
- Average high temperature in October: 26.3°C
The warmest month (with the highest average high temperature) is February (29.7°C).
The month with the lowest average high temperature is July (24°C).
- Average low temperature in October: 20.6°C
The month with the highest average low temperature is January (23.7°C).
The coldest month (with the lowest average low temperature) is August (18.5°C).
Average pressure in October
Rio de Janeiro, Brazil
- Average pressure in October: 1015.1mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).
Average wind speed in October
Rio de Janeiro, Brazil
- Average wind speed in October: 11.2km/h
The windiest months (with the highest average wind speed) are August and September (11.3km/h).
The calmest month (with the lowest average wind speed) is March (8.7km/h).
Average humidity in October
Rio de Janeiro, Brazil
- Average humidity in October: 80%
The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is August (76%).
Average rainfall in October
Rio de Janeiro, Brazil
- Average rainfall in October: 67mm
The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is June (29mm).
Average rainfall days in October
Rio de Janeiro, Brazil
- Average rainfall days in October: 18.3 days
The month with the highest number of rainy days is March (22.7 days).
The month with the least rainy days is July (9.3 days).
Average sea temperature in October
Rio de Janeiro, Brazil
- Average sea temperature in October: 22.7°C
The best month for swimming (with the highest average sea temperature) is March (25.8°C).
The coldest month (with the lowest average sea temperature) is September (21.6°C).
Average daylight in October /
Average sunshine in October
Rio de Janeiro, Brazil
- Average daylight in October: 12h and 4min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in October: 7h and 3min
The month with the most sunshine is February (Average sunshine: 8h and 48min).
The month with the least sunshine is October (Average sunshine: 7h and 30min).
Average sunshine days in October
Rio de Janeiro, Brazil
- Average sunshine days in October: 9.8 days
The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is December (4.8 days).
Average UV index in October
Rio de Janeiro, Brazil
- Average UV index in October: 6
The month with the highest UV index is January (UV index 7).
The month with the lowest UV index is September (UV index 5).
Average cloud cover in October
Rio de Janeiro, Brazil
- Average cloud cover in October: 41
The month with the most cloud cover is November (Cloud cover 46).
The month with the least cloud cover is February (Cloud cover 28).
Average visibility in October
Rio de Janeiro, Brazil
- Average visibility in October: 9km
The months with the highest visibility are February, May, June, July, August and September (10km).
The months with the lowest visibility are January, March, April, October, November and December (9km).
Rio de Janeiro, Brazil
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