Climate averages 1991–2020
Ilhéus weather
in January.
A hot, wet month: the 3rd warmest and the joint 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Ilhéus: daytime highs average 28.8°C and nights cool to about 23.7°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 95 mm of rain on roughly 20 days, which makes January a wet month (the joint 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 54 min on an average January day.
The nearest other city in this atlas is Itabuna (27 km away). In January its highs average 28.9°C, about as warm as Ilhéus, with 100 mm of rain.
Among the 448 cities listed in Brazil, Ilhéus ranks joint 199th of 448 for the warmest January highs and joint 66th of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; Ilhéus is 0.4°C warmer than that mean.
From January to February, average highs rise by 0.1°C to 29.0°C, and monthly rainfall falls from 95 mm to 82 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
Ilhéus climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 28.8°C23.7°C | 23.7°C | 95 | 20.4 | 12.913 h |
| February | 29.0°C23.7°C | 23.7°C | 82 | 19.5 | 12.613 h |
| March | 28.9°C23.7°C | 23.7°C | 116 | 23.1 | 12.212 h |
| April | 28.0°C23.1°C | 23.1°C | 131 | 23.1 | 11.812 h |
| May | 26.8°C22.0°C | 22.0°C | 110 | 19.1 | 11.411 h |
| June | 25.6°C20.9°C | 20.9°C | 98 | 19.4 | 11.311 h |
| July | 24.9°C20.1°C | 20.1°C | 95 | 20.1 | 11.311 h |
| August | 25.0°C19.9°C | 19.9°C | 70 | 17.7 | 11.612 h |
| September | 26.0°C20.9°C | 20.9°C | 61 | 15.1 | 12.012 h |
| October | 27.1°C22.1°C | 22.1°C | 83 | 16.1 | 12.412 h |
| November | 27.7°C22.9°C | 22.9°C | 125 | 17.9 | 12.813 h |
| December | 28.5°C23.6°C | 23.6°C | 110 | 17.9 | 13.013 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
- Itabuna in JanuaryBrazil · 27 kmHigh 28.9°C · Low 22.4°C · 100 mm rain
- Itapetinga in JanuaryBrazil · 140 kmHigh 30.2°C · Low 21.8°C · 73 mm rain
- Jequié in JanuaryBrazil · 154 kmHigh 30.5°C · Low 22.1°C · 82 mm rain
- Valença (Bahia), Brazil in JanuaryBrazil · 159 kmHigh 29.3°C · Low 23.6°C · 87 mm rain
- Porto Seguro in JanuaryBrazil · 184 kmHigh 29.2°C · Low 23.9°C · 70 mm rain
- Eunápolis in JanuaryBrazil · 185 kmHigh 29.8°C · Low 22.1°C · 78 mm rain
- Vitória da Conquista in JanuaryBrazil · 194 kmHigh 27.5°C · Low 18.6°C · 97 mm rain
- Santo Antônio de Jesus in JanuaryBrazil · 205 kmHigh 29.6°C · Low 21.9°C · 83 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 Ilhéus) is explained once on the Ilhéus year overview and on the Sources, method and limits page.