Climate averages 1991–2020
Coari weather
in January.
A hot, very wet month: the joint 7th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Coari: daytime highs average 29.1°C and nights cool to about 24.0°C. By daytime temperature it is the joint 7th warmest of the 12 months.
Expect about 285 mm of rain on roughly 28 days, which makes January a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 20 min on an average January day.
The nearest other city in this atlas is Tefé (192 km away). In January its highs average 29.4°C, about as warm as Coari, with 275 mm of rain.
Among the 448 cities listed in Brazil, Coari ranks joint 160th of 448 for the warmest January highs and joint 391st of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; Coari is 0.7°C warmer than that mean.
From January to February, average highs stay level at 29.1°C, and monthly rainfall falls from 285 mm to 278 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
Coari climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 29.1°C24.0°C | 24.0°C | 285 | 28.0 | 12.312 h |
| February | 29.1°C24.0°C | 24.0°C | 278 | 25.4 | 12.212 h |
| March | 29.3°C23.9°C | 23.9°C | 334 | 28.7 | 12.112 h |
| April | 28.8°C23.8°C | 23.8°C | 335 | 28.6 | 12.012 h |
| May | 28.4°C23.7°C | 23.7°C | 297 | 29.1 | 11.912 h |
| June | 28.4°C23.5°C | 23.5°C | 167 | 25.3 | 11.912 h |
| July | 28.9°C23.7°C | 23.7°C | 101 | 20.5 | 11.912 h |
| August | 29.9°C24.3°C | 24.3°C | 96 | 18.6 | 12.012 h |
| September | 30.2°C24.6°C | 24.6°C | 123 | 21.5 | 12.112 h |
| October | 30.3°C24.7°C | 24.7°C | 163 | 24.6 | 12.212 h |
| November | 29.8°C24.5°C | 24.5°C | 211 | 25.6 | 12.312 h |
| December | 29.3°C24.2°C | 24.2°C | 256 | 29.1 | 12.412 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
- Tefé in JanuaryBrazil · 192 kmHigh 29.4°C · Low 23.6°C · 275 mm rain
- Manacapuru in JanuaryBrazil · 293 kmHigh 28.7°C · Low 24.3°C · 358 mm rain
- Manaus in JanuaryBrazil · 363 kmHigh 29.2°C · Low 24.1°C · 296 mm rain
- Porto Velho in JanuaryBrazil · 527 kmHigh 29.6°C · Low 23.4°C · 303 mm rain
- Itacoatiara in JanuaryBrazil · 532 kmHigh 28.6°C · Low 24.4°C · 337 mm rain
- Ariquemes in JanuaryBrazil · 648 kmHigh 29.5°C · Low 22.8°C · 281 mm rain
- Parintins in JanuaryBrazil · 729 kmHigh 29.0°C · Low 23.8°C · 337 mm rain
- Ji Paraná in JanuaryBrazil · 767 kmHigh 29.1°C · Low 22.8°C · 270 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 Coari) is explained once on the Coari year overview and on the Sources, method and limits page.