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 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
With the onset of October, the average high-temperature stands at a still moderately hot 26.4°C (79.5°F), closely aligned with September's 25.5°C (77.9°F). October records a small disparity from daytime temperatures, marking an average low-temperature of 25.5°C (77.9°F).Humidity
August through October, with an average relative humidity of 83%, are the most humid months.Rainfall
In Porto Alegre, during October, the rain falls for 24.7 days and regularly aggregates up to 220mm (8.66") of precipitation. Throughout the year, there are 241.7 rainfall days, and 1287mm (50.67") of precipitation is accumulated.Daylight
In Porto Alegre, the average length of the day in October is 12h and 7min.On the first day of the month, sunrise is at 05:19 and sunset at 17:26. On the last day of October, sunrise is at 05:13 and sunset at 17:20 GMT.
Sunshine
In October, the average sunshine in Porto Alegre is 6.7h.UV index
January through May, October through December, with an average maximum UV index of 7, are months with the highest UV index in Porto Alegre, São Tomé and Príncipe. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: In October, an average UV index of 7 transforms into the following instructions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Porto Alegre in October?
What is the most humid month in Porto Alegre?
What is the average humidity in October in Porto Alegre?
How much does it rain in Porto Alegre in October?
How many hours of daylight does Porto Alegre have in October?
When is the sunrise / sunset in October in Porto Alegre?
How many hours of sunshine does Porto Alegre have in October?
What is the month with the highest UV index in Porto Alegre?
What is the UV index reading in October in Porto Alegre?
Average temperature in October
Porto Alegre, São Tomé and Príncipe
- Average high temperature in October: 26.4°C
The warmest month (with the highest average high temperature) is March (28.8°C).
The month with the lowest average high temperature is July (24.5°C).
- Average low temperature in October: 25.5°C
The month with the highest average low temperature is March (27.5°C).
The coldest month (with the lowest average low temperature) is July (23°C).
Average pressure in October
Porto Alegre, São Tomé and Príncipe
- Average pressure in October: 1011.4mbar
The month with the highest atmospheric pressure is July (1014.3mbar).
The month with the lowest atmospheric pressure is February (1009.8mbar).
Average wind speed in October
Porto Alegre, São Tomé and Príncipe
- Average wind speed in October: 14.2km/h
The windiest month (with the highest average wind speed) is July (17.7km/h).
The calmest month (with the lowest average wind speed) is December (10.8km/h).
Average humidity in October
Porto Alegre, São Tomé and Príncipe
- Average humidity in October: 83%
The months with the highest relative humidity are August, September and October (83%).
The month with the lowest relative humidity is March (76%).
Average rainfall in October
Porto Alegre, São Tomé and Príncipe
- Average rainfall in October: 220mm
The wettest month (with the highest rainfall) is November (224mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in October
Porto Alegre, São Tomé and Príncipe
- Average rainfall days in October: 24.7 days
The month with the highest number of rainy days is December (28.6 days).
The month with the least rainy days is June (7.3 days).
Average daylight in October /
Average sunshine in October
Porto Alegre, São Tomé and Príncipe
- Average daylight in October: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 6min).
The months with the shortest days are March and September (Average daylight: 12h and 6min).
- Average sunshine in October: 6h and 4min
The month with the most sunshine is February (Average sunshine: 8h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 0min).
Average sunshine days in October
Porto Alegre, São Tomé and Príncipe
- Average sunshine days in October: 2.7 days
The month with the most sunshine days is June (16.4 days).
The month with the least sunshine days is December (1.5 days).
Average UV index in October
Porto Alegre, São Tomé and Príncipe
- Average UV index in October: 7
The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 5).
Average cloud cover in October
Porto Alegre, São Tomé and Príncipe
- Average cloud cover in October: 53
The month with the most cloud cover is August (Cloud cover 65).
The month with the least cloud cover is February (Cloud cover 37).
Average visibility in October
Porto Alegre, São Tomé and Príncipe
- Average visibility in October: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).
Porto Alegre, São Tomé and Príncipe
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