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 ushers in an average high-temperature of a still warm 25.9°C (78.6°F), aligning closely with the preceding month. Throughout October, Rio das Ostras experiences a low-temperature average of 20.6°C (69.1°F).Humidity
In Rio das Ostras, the average relative humidity in October is 81%.Rainfall
In Rio das Ostras, during October, the rain falls for 16.2 days and regularly aggregates up to 52mm (2.05") of precipitation. In Rio das Ostras, during the entire year, the rain falls for 179.7 days and collects up to 674mm (26.54") of precipitation.Sea temperature
In Rio das Ostras, in October, the average water temperature is 22.8°C (73°F).Note: A swim in 22.8°C (73°F) waters can be refreshing, especially when factoring in a person's cold tolerance, sunshine, wind, and the overall temperature. As a point of reference, Olympic swimming events are held in 25°C (77°F) to 28°C (82.4°F) waters.
Daylight
In Rio das Ostras, Brazil, the average length of the day in October is 12h and 38min.On the first day of October in Rio das Ostras, sunrise is at 05:27 and sunset at 17:46. On the last day of the month, sunrise is at 05:03 and sunset at 17:59 -03.
Sunshine
With an average of 7.6h of sunshine, October has the least sunshine of the year in Rio das Ostras.UV index
In Rio das Ostras, the average daily maximum UV index in October is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 6 in October translates into the following instructions:
Shun overexposure. Protection from sun ravages is indispensable. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
Frequently asked questions
What are the temperatures in Rio das Ostras in October?
What is the average humidity in October in Rio das Ostras?
How many days does it rain in October in Rio das Ostras?
What is the water temperature in October in Rio das Ostras?
How many hours of daylight does Rio das Ostras have in October?
When are sunrise and sunset in October in Rio das Ostras?
What is the month with the least sunshine in Rio das Ostras?
How many hours of sunshine does Rio das Ostras have in October?
What is the UV index reading in October in Rio das Ostras?
Average temperature in October
Rio das Ostras, Brazil
- Average high temperature in October: 25.9°C
The warmest month (with the highest average high temperature) is February (29.1°C).
The month with the lowest average high temperature is June (24.1°C).
- Average low temperature in October: 20.6°C
The month with the highest average low temperature is January (23.1°C).
The coldest month (with the lowest average low temperature) is August (18.3°C).
Average pressure in October
Rio das Ostras, Brazil
- Average pressure in October: 1015.3mbar
The month with the highest atmospheric pressure is July (1020.7mbar).
The month with the lowest atmospheric pressure is December (1012mbar).
Average wind speed in October
Rio das Ostras, Brazil
- Average wind speed in October: 15.4km/h
The windiest month (with the highest average wind speed) is September (15.8km/h).
The calmest month (with the lowest average wind speed) is March (10.9km/h).
Average humidity in October
Rio das Ostras, Brazil
- Average humidity in October: 81%
The months with the highest relative humidity are November and December (84%).
The months with the lowest relative humidity are August and September (78%).
Average rainfall in October
Rio das Ostras, Brazil
- Average rainfall in October: 52mm
The wettest month (with the highest rainfall) is November (108mm).
The driest month (with the least rainfall) is June (18mm).
Average rainfall days in October
Rio das Ostras, Brazil
- Average rainfall days in October: 16.2 days
The month with the highest number of rainy days is March (21.7 days).
The month with the least rainy days is August (8.9 days).
Average sea temperature in October
Rio das Ostras, Brazil
- Average sea temperature in October: 22.8°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 (21.9°C).
Average daylight in October /
Average sunshine in October
Rio das Ostras, 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 4min
The month with the most sunshine is February (Average sunshine: 9h and 0min).
The month with the least sunshine is October (Average sunshine: 7h and 36min).
Average sunshine days in October
Rio das Ostras, Brazil
- Average sunshine days in October: 11.3 days
The month with the most sunshine days is August (19.5 days).
The months with the least sunshine days are March and December (5.8 days).
Average UV index in October
Rio das Ostras, Brazil
- Average UV index in October: 6
The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are July and September (UV index 5).
Average cloud cover in October
Rio das Ostras, Brazil
- Average cloud cover in October: 42
The month with the most cloud cover is November (Cloud cover 48).
The months with the least cloud cover are February, June and July (Cloud cover 27).
Average visibility in October
Rio das Ostras, Brazil
- Average visibility in October: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
Rio das Ostras, Brazil
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