Climate and monthly weather forecastCabo Frio, Brazil
Climate and monthly weather forecast
The climate of Cabo Frio
Cabo Frio, globally recognized for its beautiful landscapes, situates itself on the east coast of Brazil. The city embodies the Köppen climate classification of Aw which is commonly referred to as 'tropical wet and dry' or 'savanna' climate. This classification indicates significant variances in the annual weather conditions, particularly concerning rainfall and temperature.Over the course of the year, Cabo Frio experiences an oscillation in temperature, with the warmest months being typically in January and February at 27.7°C (81.9°F) and 27.8°C (82°F), respectively, and the coldest months falling between June to August with a range from 23.2°C (73.8°F) to 23.7°C (74.7°F). Notably, even the coldest months offer a rather warm temperature pattern aiding the year-round charm of the city. The fluctuation in the city's low temperatures fall between 19.8°C (67.6°F) in August and 24.6°C (76.3°F) in February.
Rainfall in Cabo Frio exhibits a clear pattern with the heaviest rain experienced in November - 115mm (4.53") on average over 18.7 days. January's precipitations amount to merely 81mm (3.19") spread over 15.8 days. A period from May to September is particularly dry with rainfall totals oscillating from 26mm (1.02") to 56mm (2.2"). This period sees barely 10 to 13 days of rainfall per month. Relative humidity stays relatively constant throughout the year, ranging from 78% to 84%.
In terms of sea temperature, the months from March to May offer the warmest waters, ranging from 24.7°C (76.5°F) to 25.8°C (78.4°F). The coldest sea temperature, which might compel a reconsideration of swimming plans, is prevalently observed in August and September at 21.8°C (71.2°F) to 22.3°C (72.1°F).
Lastly, wind speed in Cabo Frio presents an interesting pattern, gradually increasing from January's 19.2km/h (11.9mph), reaching a peak at 22.8km/h (14.2mph) in September, and finally declining to end the year at 18.2km/h (11.3mph) in December.
The best time to visit Cabo Frio
Evidently, the optimal timing to pay a visit to Cabo Frio mainly depends on individual weather preferences. However, generally speaking, the period from May to September could be considered as the best time. This period marks the dry season with low rainfall and the relative humidity fluctuating between 78% to 79%.Furthermore, daytime temperatures, even during this period remain warm enough, standing between 23.2°C (73.8°F) to 24.7°C (76.5°F). These months also offer ample daylight hours with the number ranging from 10.7 to 12 hours, paving way for a plethora of outdoor activities. Also, the wind speeds during this era are manageable at an average of 16.1km/h (10mph) to 19.3km/h (12mph), guaranteeing comfortable outdoor excursions.
The worst time to visit Cabo Frio
The most unfavorable time to visit Cabo Frio might be November due to the heavy rainfall. The city experiences an average of 115mm (4.53") of rainfall over 18.7 days during this month. Despite the city's elevated humidity and substantial amount of cloud cover, the temperatures remain relatively warm. Although, these factors can result in an overall damp and uncomfortable outdoor experience.Spring weather in Cabo Frio
Spring time in Cabo Frio straddles between warmth and wetness. As the city transitions from winter to summer, the months of September, October, and November witness the temperature ramping up from 23.5°C (74.3°F) to 24.8°C (76.6°F). The rainfall, however, maintains an upward trend - propelling from 39mm (1.54") in September to the annual high of 115mm (4.53") in November. The sea temperatures are also rather cold, commanding a reconsideration of swimming plans.Summer weather in Cabo Frio
In Cabo Frio, summer months of December, January, and February, represent the city in its full glory. December and January are the hottest months with the temperature soaring to 26.5°C (79.7°F) and 27.7°C (81.9°F) respectively. Despite the high temperatures, the sea water remains pleasantly warm ranging from 24°C (75.2°F) to 25.1°C (77.2°F). January witnesses the city's primary rainfall of 81mm (3.19") over approximately 15.8 days.Autumn weather in Cabo Frio
Representing a significant transition period, the autumn months of March, April, and May bring meandering weather conditions to Cabo Frio. The temperatures during this season range from 26.1°C (79°F) in March, subsiding to 24.7°C (76.5°F) by May. The total rainfall shifts from 89mm (3.5") to 56mm (2.2"). Despite varying weather conditions, the city's sea temperature maintains a steady comfort at 24.7°C (76.5°F) to 25.3°C (77.5°F) during these months.Winter weather in Cabo Frio
Winter in Cabo Frio, unlike traditional icy winters, is marked by pleasantly warm weather. The temperatures drop to the lowest point during this season with an average low of 19.8°C (67.6°F) in August and an average high of 24.4°C (75.9°F) in July. Rainfall during the winter months is considerably low, averaging from 26mm (1.02") to 30mm (1.18"). Nonetheless, the sea temperature declines to the annual lows of 22.3°C (72.1°F) to 22.4°C (72.3°F), obliging visitors to reconsider the inclusion of beach activities in their itinerary.Weather in January
Following the start of the new year at Cabo Frio, the month of January boasts a high temperature of 27.7°C (81.9°F) and one of the year's highest relative humidity at 82% making it quite humid. The sun remains in the sky for up to 13.4 hours while the sea temperature tends to remain warm at 24.8°C (76.6°F) providing ideal conditions for beach activities. Weather in January »Weather in February
Stepping into the second month of the year, weather conditions in Cabo Frio remain relatively unchanged from the patterns seen in January. February sees a slight spike in sea temperature to 25.1°C (77.2°F), an ideal situation for watersport enthusiasts visiting Cabo Frio. Weather in February »Weather in March
March in Cabo Frio reveals mild weather conditions, with a traceable downward shift from February's high temperatures. However, this month sees the year's highest rainfall at 89mm (3.5"), resulting in a significant increase in the number of rainy days. Weather in March »Weather in April
The climate in Cabo Frio during April takes a more moderate stance. The town sees a decrease in rainfall quantity to 52mm (2.05"), marking the beginning of the transition into the drier months. Visitors can enjoy pleasant weather, with sunlight stretching up to 11.6 hours. Weather in April »Weather in May
May signals the commencement of autumn at Cabo Frio. Nevertheless, the temperature drop has been noticed from 26.1°C (79°F) in April to 24.7°C (76.5°F) in May. Despite the rainfall occurrence remaining moderate, the city experiences low humidity levels and fewer daylight hours. Weather in May »Weather in June
With a continued drop in temperature to 23.7°C (74.7°F), June stands as the onset of winter in Cabo Frio. Fulfilling the traits of a warmer climate, the city does not witness drastic cold temperatures even in winters. Statistically, the city experiences the year's lowest rainfall quantity of 29mm (1.14") in June. Weather in June »Weather in July
Cabo Frio in July sees the year's lowest atmospheric pressure at 1020.5mb. Despite experiencing the chill of winter, the city does not lose its charm. There is a slight decrease in rainfall, maintaining the dry direction of the climate. Weather in July »Weather in August
Transitioning into spring, the weather in August at Cabo Frio is characterized by warm and humid days. However, with moderate rainfall of 30mm (1.18") and a steady atmospheric pressure, weather conditions remain delightful. The city, known for its sun-kissed beaches and vibrant carnival culture, sees a slow and steady increase in daylight hours. Weather in August »Weather in September
September welcomes higher temperatures of 23.5°C (74.3°F), with longer daylight hours extending to 12 hours in Cabo Frio. This month signals the impending arrival of spring, with an increase in sea temperature to 21.8°C (71.2°F). Weather in September »Weather in October
October is characterized by a significant rise in rainfall from 39mm (1.54") in September to 62mm (2.44"). Nevertheless, the weather remains predominantly warm and inviting. Extended daylight hours provide ample room for recreational activities. Weather in October »Weather in November
As Cabo Frio transitions into November, it shows the highest measure of rainfall for the year at 115mm (4.53"). Despite this substantial increase in rainfall and humidity, November brings the joy of prolonged sunshine hours and decreased wind speeds. Weather in November »Weather in December
Concluding the year, Cabo Frio in December presents an enjoyable weather scenario, with temperatures peaking at 26.5°C (79.7°F). Alongside this, the longest daylight duration is observed in December, accounting for 13.5 hours. Weather in December »Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Cabo Frio, Brazil, during the entire year, the rain falls for 173.2 days and collects up to 733mm (28.86") of precipitation.
The months with the highest UV index in Cabo Frio are January and February, with an average maximum UV index of 7.
The month of February sees the average highest temperatures in Cabo Frio, reaching 27.8°C (82°F) at the peak and 24.6°C (76.3°F) at the low.
The month with the most sunshine in Cabo Frio, Brazil, is February, with an average of 9.1h of sunshine.
The month with the warmest seawater in Cabo Frio is March, with an average sea temperature of 25.8°C (78.4°F).
The months with the lowest UV index are March through December, with an average maximum UV index of 6.
May, July and August, with an average relative humidity of 78%, are the least humid months in Cabo Frio.
June has the shortest days of the year, with an average of 10h and 48min of daylight.
July is the month with the least rainfall in Cabo Frio, Brazil. Rain falls for 10.2 days and accumulates 26mm (1.02") of precipitation.
Temperature records in Cabo Frio, Brazil, mark August as the coldest month, with highs averaging 23.2°C (73.8°F) and lows at 19.8°C (67.6°F).
September is the month with the coldest seawater, with an average sea temperature of 21.8°C (71.2°F).
The month with the least sunshine is October, with an average of 7.7h of sunshine.
November is the month with the most rainfall. Rain falls for 18.7 days and accumulates 115mm (4.53") of precipitation.
With an average relative humidity of 84%, December is the most humid month.
The month with the longest days in Cabo Frio is December, with an average of 13h and 30min of daylight.
Cabo Frio, Brazil, does not observe Daylight Saving Time (DST). -03 timezone is used throughout the entire year.
Average temperature
Cabo Frio, Brazil
The warmest month (with the highest average high temperature) is February (27.8°C).
The month with the lowest average high temperature is August (23.2°C).
The month with the highest average low temperature is February (24.6°C).
The coldest month (with the lowest average low temperature) is August (19.8°C).
Average pressure
Cabo Frio, Brazil
- Average pressure in January:
1012.6mbar - Average pressure in February:
1012.9mbar - Average pressure in March:
1013.6mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1017.5mbar - Average pressure in June:
1019.6mbar
- Average pressure in July:
1020.5mbar - Average pressure in August:
1020.2mbar - Average pressure in September:
1018mbar - Average pressure in October:
1015.2mbar - Average pressure in November:
1013.2mbar - Average pressure in December:
1011.8mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is December (1011.8mbar).
Average wind speed
Cabo Frio, Brazil
- Average wind speed in January:
19.7km/h - Average wind speed in February:
19.2km/h - Average wind speed in March:
15.2km/h - Average wind speed in April:
15.5km/h - Average wind speed in May:
16.1km/h - Average wind speed in June:
16.6km/h
- Average wind speed in July:
19.3km/h - Average wind speed in August:
21.5km/h - Average wind speed in September:
22.8km/h - Average wind speed in October:
21.9km/h - Average wind speed in November:
20.1km/h - Average wind speed in December:
18.2km/h
The windiest month (with the highest average wind speed) is September (22.8km/h).
The calmest month (with the lowest average wind speed) is March (15.2km/h).
Average humidity
Cabo Frio, Brazil
The month with the highest relative humidity is December (84%).
The months with the lowest relative humidity are May, July and August (78%).
Average rainfall
Cabo Frio, Brazil
The wettest month (with the highest rainfall) is November (115mm).
The driest month (with the least rainfall) is July (26mm).
Average rainfall days
Cabo Frio, Brazil
- Average rainfall days in January:
15.8 days - Average rainfall days in February:
10.9 days - Average rainfall days in March:
18.9 days - Average rainfall days in April:
17.1 days - Average rainfall days in May:
13.7 days - Average rainfall days in June:
11.4 days
- Average rainfall days in July:
10.2 days - Average rainfall days in August:
10.8 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
16.3 days - Average rainfall days in November:
18.7 days - Average rainfall days in December:
17.3 days
The month with the highest number of rainy days is March (18.9 days).
The month with the least rainy days is July (10.2 days).
Average sea temperature
Cabo Frio, Brazil
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 (21.8°C).
Average daylight / Average sunshine
Cabo Frio, Brazil
- Average daylight in January:
13h and 24min - Average daylight in February:
12h and 54min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 36min - Average daylight in May:
11h and 0min - Average daylight in June:
10h and 48min
- Average daylight in July:
10h and 54min - Average daylight in August:
11h and 24min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 36min - Average daylight in November:
13h and 12min - Average daylight in December:
13h and 30min
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 January:
8h and 48min - Average sunshine in February:
9h and 6min - Average sunshine in March:
8h and 30min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 18min - Average sunshine in June:
8h and 30min
- Average sunshine in July:
8h and 18min - Average sunshine in August:
8h and 0min - Average sunshine in September:
8h and 6min - Average sunshine in October:
7h and 42min - Average sunshine in November:
8h and 30min - Average sunshine in December:
9h and 0min
The month with the most sunshine is February (Average sunshine: 9h and 6min).
The month with the least sunshine is October (Average sunshine: 7h and 42min).
Average sunshine days
Cabo Frio, Brazil
- Average sunshine days in January:
12.5 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
9.3 days - Average sunshine days in April:
9 days - Average sunshine days in May:
14.3 days - Average sunshine days in June:
16.3 days
- Average sunshine days in July:
18.5 days - Average sunshine days in August:
17.3 days - Average sunshine days in September:
14.8 days - Average sunshine days in October:
11.9 days - Average sunshine days in November:
8.4 days - Average sunshine days in December:
10.8 days
The month with the most sunshine days is July (18.5 days).
The month with the least sunshine days is November (8.4 days).
Average UV index
Cabo Frio, Brazil
The months with the highest UV index are January and February (UV index 7).
The months with the lowest UV index are March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover
Cabo Frio, Brazil
The month with the most cloud cover is November (Cloud cover 46).
The month with the least cloud cover is February (Cloud cover 26).
Average visibility
Cabo Frio, Brazil
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
