Climate averages 1991–2020
Cabo Frio weather
in January.
A warm, moderately wet month: the 2nd warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a warm month in Cabo Frio: daytime highs average 27.2°C and nights cool to about 23.6°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 88 mm of rain on roughly 8 days, which makes January a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 22 min on an average January day.
The nearest other city in this atlas is São Pedro da Aldeia (9 km away). In January its highs average 27.3°C, about as warm as Cabo Frio, with 130 mm of rain.
Among the 448 cities listed in Brazil, Cabo Frio ranks joint 339th of 448 for the warmest January highs and joint 60th of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; Cabo Frio is 1.3°C cooler than that mean.
From January to February, average highs rise by 0.4°C to 27.6°C, and monthly rainfall falls from 88 mm to 56 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Cabo Frio climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 27.2°C23.6°C | 23.6°C | 88 | 8.3 | 13.413 h |
| February | 27.6°C23.9°C | 23.9°C | 56 | 5.8 | 12.913 h |
| March | 27.1°C23.7°C | 23.7°C | 104 | 10.8 | 12.212 h |
| April | 26.1°C22.6°C | 22.6°C | 57 | 9.3 | 11.612 h |
| May | 24.3°C20.7°C | 20.7°C | 58 | 10.2 | 11.011 h |
| June | 23.7°C19.8°C | 19.8°C | 34 | 6.5 | 10.811 h |
| July | 23.3°C19.3°C | 19.3°C | 35 | 6.6 | 10.911 h |
| August | 23.4°C19.4°C | 19.4°C | 28 | 6.2 | 11.311 h |
| September | 23.8°C20.0°C | 20.0°C | 47 | 6.9 | 11.912 h |
| October | 24.6°C20.9°C | 20.9°C | 54 | 7.8 | 12.613 h |
| November | 25.1°C21.7°C | 21.7°C | 101 | 10.7 | 13.213 h |
| December | 26.5°C22.9°C | 22.9°C | 96 | 9.8 | 13.514 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- São Pedro da Aldeia in JanuaryBrazil · 9 kmHigh 27.3°C · Low 23.4°C · 130 mm rain
- Araruama in JanuaryBrazil · 32 kmHigh 27.5°C · Low 23.6°C · 178 mm rain
- Rio das Ostras in JanuaryBrazil · 41 kmHigh 29.4°C · Low 23.2°C · 206 mm rain
- Saquarema in JanuaryBrazil · 45 kmHigh 28.3°C · Low 23.5°C · 120 mm rain
- Macaé in JanuaryBrazil · 61 kmHigh 29.0°C · Low 23.4°C · 139 mm rain
- Maricá in JanuaryBrazil · 81 kmHigh 29.9°C · Low 23.9°C · 126 mm rain
- Nova Friburgo in JanuaryBrazil · 85 kmHigh 26.9°C · Low 19.8°C · 332 mm rain
- Itaboraí in JanuaryBrazil · 87 kmHigh 29.7°C · Low 22.5°C · 259 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Cabo Frio) is explained once on the Cabo Frio year overview and on the Sources, method and limits page.