Water temperature in Cabo Frio in October

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Is it warm enough to swim in Cabo Frio in October? Average water temperature in Cabo Frio in October is 21.9°C and therefore suitable for comfortable swimming. The warmest sea in Cabo Frio in October is 24.5°C, and the coldest is 19.4°C. Average high air temperature in Cabo Frio in October is 25°C, and average low temperature is 20°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Cabo Frio

Changes water temperature in Cabo Frio in October 2025, 2024

To get an accurate forecast for the water temperature in Cabo Frio for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Cabo Frio, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of October.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 October	19.5°C	22.4°C	19.4°C	23.5°C
2 October	20°C	22°C	19.6°C	23.7°C
3 October	20.3°C	22.2°C	19.9°C	23.7°C
4 October	20.8°C	22.3°C	20.5°C	23.6°C
5 October	20.5°C	22.5°C	20.5°C	23.4°C
6 October	20.3°C	22.5°C	20.3°C	23.1°C
7 October	20.4°C	22.6°C	20.4°C	23.1°C
8 October	20.5°C	22.5°C	20.5°C	23.2°C
9 October	20.5°C	22.5°C	20.5°C	23.1°C
10 October	20.5°C	22.5°C	20.5°C	23.1°C
11 October	20.6°C	21.9°C	20.6°C	22.8°C
12 October	21°C	22.3°C	20.9°C	23.1°C
13 October	21.1°C	21.8°C	20.8°C	23°C
14 October	21.2°C	21.9°C	21.1°C	22.9°C
15 October	20.6°C	22.3°C	20.6°C	23°C

Day	2025	2024	Min	Max
16 October	21.5°C	21.8°C	21.2°C	23.4°C
17 October	21.9°C	22.3°C	21°C	23.3°C
18 October	21.9°C	22.1°C	21.1°C	23°C
19 October	21.8°C	22.1°C	21.1°C	22.9°C
20 October		22.1°C	21.2°C	22.8°C
21 October		22.7°C	21.1°C	22.8°C
22 October		22.1°C	20.8°C	22.8°C
23 October		22.3°C	20.8°C	23°C
24 October		22.5°C	20.6°C	23.4°C
25 October		22.8°C	20.3°C	23.3°C
26 October		23.5°C	19.9°C	23.5°C
27 October		23.6°C	20.5°C	23.8°C
28 October		23.7°C	20.7°C	24.5°C
29 October		23.7°C	21.3°C	24.3°C
30 October		22.8°C	21.1°C	24.4°C
31 October		22.9°C	21.1°C	24.4°C

Average water temperature in Cabo Frio in October over a decade

2015	2016	2017	2018	2019
22.2°C	22°C	21.4°C	22.4°C	22.5°C

2020	2021	2022	2023	2024
23°C	21.6°C	22.5°C	22.9°C	22.5°C

Cabo Frio sea state in October

Chart comparing the height of waves in Cabo Frio in October over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Weather and climate in Cabo Frio in October

This data display average monthly climate indicators in Cabo Frio in October based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

Average HIGH temperature25°C
Average LOW temperature20°C
Average humidity
82
Average rainfall3.2''/81mm

Cabo Frio water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in October. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Arraial do Cabo	21.9°C	19.5°C	24.6°C
Praia do Forno	21.9°C	19.5°C	24.6°C
Pontal do Atalaia	21.9°C	19.5°C	24.6°C
Armacao de Buzios	22°C	19.3°C	24.2°C
Tucuns Beach	22°C	19.3°C	24.2°C
Praia do Farol	21.9°C	19.5°C	24.4°C
Geriba Beach	22°C	19.3°C	24.1°C
Ferradura	22°C	19.3°C	24.1°C
Ferradurinha Beach	22°C	19.3°C	24.1°C
Joao Fernandes Beach	22°C	19.3°C	24.1°C

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Our report for Cabo Frio is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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Date (day and month)

Water temperature: min 16°C

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