The most comfortable time to visit Cabo Frio is from May to November. For sun, aim for mid November to early May.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
For sun, go from mid November to early May. It peaks in early April, at 73. Avoid late July to early August for this: it falls to 26, mostly because it is too cool. The clearest skies come in July, when the sky is typically 48% covered at midday (partly cloudy).
The being outside season here runs from May to November. It peaks in early August, at 82. The weakest stretch is in mid March, when it drops to 14, mostly because it is too hot.
Cabo Frio never quite rates Good for walking. It comes closest in early August, at 51, mostly because it is too warm. Avoid mid December to early April for this: it falls to 2, mostly because it is too warm.
The year, measured
The average temperature in Cabo Frio over the whole year is 23°C. March is the hottest month, with highs of about 28°C; July is the coldest, with lows of about 19°C. The rainy (wet) season in Cabo Frio runs from December to March, peaking in February with a 74% chance of rain on a given day. The dry season is April to November; June is the driest month, at 49%. Winds in Cabo Frio are highest in September, averaging 5.3 m/s (19 km/h), and lightest in April, at 3.4 m/s (12 km/h). The prevailing wind is from the E. The clearest skies in Cabo Frio come in July, when the sky is typically 51% covered; October is the cloudiest month, at 74%.
Month by month Cabo Frio climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 28°C | 24°C | 30°C | 68% | 62% | 4.3 m/s | 29 | 67 | 5 |
| February | 28°C | 24°C | 30°C | 74% | 61% | 4.0 m/s | 24 | 66 | 5 |
| March | 28°C | 23°C | 30°C | 67% | 55% | 3.7 m/s | 21 | 70 | 3 |
| April | 27°C | 22°C | 28°C | 53% | 59% | 3.4 m/s | 46 | 71 | 10 |
| May | 25°C | 21°C | 26°C | 61% | 54% | 3.6 m/s | 64 | 57 | 24 |
| June | 25°C | 20°C | 25°C | 49% | 55% | 3.7 m/s | 73 | 47 | 33 |
| July | 24°C | 19°C | 23°C | 53% | 51% | 4.1 m/s | 78 | 34 | 45 |
| August | 24°C | 19°C | 23°C | 56% | 58% | 4.8 m/s | 79 | 29 | 50 |
| September | 25°C | 21°C | 24°C | 55% | 62% | 5.3 m/s | 71 | 39 | 38 |
| October | 25°C | 22°C | 25°C | 55% | 74% | 4.8 m/s | 66 | 48 | 29 |
| November | 25°C | 22°C | 26°C | 59% | 68% | 4.5 m/s | 64 | 54 | 23 |
| December | 27°C | 23°C | 29°C | 65% | 66% | 4.2 m/s | 39 | 67 | 9 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Cabo Frio weather by season
Year round, Cabo Frio has days of about 24°C at their warmest in August, its coolest month, and 28°C in March, its warmest; the coolest hours of the day run from 19°C to 24°C through the year, and the average temperature over the year is 23°C around the clock. Rain is most likely around February and least likely around June. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Cabo Frio weather in winterJune to August
Winter in Cabo Frio has typical daily highs of about 24°C and lows of about 19°C, with a 53% chance of rain on a given day.
Cabo Frio weather in springSeptember to November
Spring in Cabo Frio has typical daily highs of about 25°C and lows of about 21°C, with a 56% chance of rain on a given day.
Cabo Frio weather in summerDecember to February
Summer in Cabo Frio has typical daily highs of about 28°C and lows of about 23°C, with a 69% chance of rain on a given day.
Cabo Frio weather in autumnMarch to May
Autumn in Cabo Frio has typical daily highs of about 27°C and lows of about 22°C, with a 60% chance of rain on a given day.
When is the rainy season in Cabo Frio?
The rainy (wet) season in Cabo Frio runs from December to March, peaking in February with a 74% chance of rain on a given day. The dry season is April to November; June is the driest month, at 49%.
What time of year is Cabo Frio windiest?
Winds in Cabo Frio are highest in September, averaging 5.3 m/s (19 km/h), and lightest in April, at 3.4 m/s (12 km/h). The prevailing wind is from the E.
What is the average temperature in Cabo Frio year round?
The average temperature in Cabo Frio over the whole year is 23°C. March is the hottest month, with highs of about 28°C; July is the coldest, with lows of about 19°C.
Where to go instead in mid March, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.