Cuiabá is rarely comfortable to be outside at midday. It comes closest in mid June, and even then it is too hot. For sun, aim for late June to early July.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
The sun season here runs from late June to early July. It peaks in early July, at 66. The weakest stretch is in late October, when it drops to 16, mostly because it is too hot. The clearest skies come in July, when the sky is typically 16% covered at midday (mostly clear).
Being outside is not what Cuiabá is for: the Easy outdoors rating tops out at 31, mostly because it is too hot.
Walking is not what Cuiabá is for: the Active outdoors rating tops out at 23, mostly because it is too warm.
The year, measured
The average temperature in Cuiabá over the whole year is 27°C. September is the hottest month, with highs of about 35°C; July is the coldest, with lows of about 20°C. The rainy (wet) season in Cuiabá runs from October to April, peaking in February with a 58% chance of rain on a given day. The dry season is May to September; July is the driest month, at 0%. Winds in Cuiabá are highest in July, averaging 2.1 m/s (8 km/h), and lightest in April, at 1.3 m/s (5 km/h). The prevailing wind is from the NW. The clearest skies in Cuiabá come in July, when the sky is typically 14% covered; February is the cloudiest month, at 65%.
Month by month Cuiabá 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 | 31°C | 25°C | 34°C | 55% | 63% | 1.7 m/s | 5 | 36 | 0 |
| February | 31°C | 25°C | 34°C | 58% | 65% | 1.6 m/s | 4 | 35 | 0 |
| March | 31°C | 25°C | 35°C | 54% | 63% | 1.5 m/s | 3 | 29 | 0 |
| April | 31°C | 25°C | 34°C | 36% | 53% | 1.3 m/s | 6 | 31 | 1 |
| May | 30°C | 23°C | 32°C | 17% | 42% | 1.4 m/s | 19 | 39 | 9 |
| June | 30°C | 21°C | 30°C | 8% | 33% | 1.5 m/s | 23 | 49 | 15 |
| July | 32°C | 20°C | 30°C | 0% | 14% | 2.1 m/s | 22 | 60 | 12 |
| August | 34°C | 23°C | 32°C | 6% | 25% | 1.7 m/s | 17 | 40 | 9 |
| September | 35°C | 26°C | 35°C | 24% | 35% | 1.6 m/s | 7 | 27 | 3 |
| October | 34°C | 27°C | 36°C | 46% | 51% | 1.8 m/s | 5 | 20 | 1 |
| November | 32°C | 26°C | 34°C | 53% | 54% | 1.7 m/s | 6 | 28 | 2 |
| December | 32°C | 25°C | 34°C | 55% | 63% | 1.7 m/s | 3 | 33 | 0 |
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 Cuiabá weather by season
Year round, Cuiabá has days of about 30°C at their warmest in June, its coolest month, and 35°C in September, its warmest; the coolest hours of the day run from 20°C to 27°C through the year, and the average temperature over the year is 27°C around the clock. Rain is most likely around February and least likely around July. 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.
Cuiabá weather in winterJune to August
Winter in Cuiabá has typical daily highs of about 32°C and lows of about 21°C, with a 5% chance of rain on a given day.
Cuiabá weather in springSeptember to November
Spring in Cuiabá has typical daily highs of about 34°C and lows of about 26°C, with a 41% chance of rain on a given day.
Cuiabá weather in summerDecember to February
Summer in Cuiabá has typical daily highs of about 31°C and lows of about 25°C, with a 56% chance of rain on a given day.
Cuiabá weather in autumnMarch to May
Autumn in Cuiabá has typical daily highs of about 31°C and lows of about 24°C, with a 36% chance of rain on a given day.
When is the rainy season in Cuiabá?
The rainy (wet) season in Cuiabá runs from October to April, peaking in February with a 58% chance of rain on a given day. The dry season is May to September; July is the driest month, at 0%.
What time of year is Cuiabá windiest?
Winds in Cuiabá are highest in July, averaging 2.1 m/s (8 km/h), and lightest in April, at 1.3 m/s (5 km/h). The prevailing wind is from the NW.
What is the average temperature in Cuiabá year round?
The average temperature in Cuiabá over the whole year is 27°C. September is the hottest month, with highs of about 35°C; July is the coldest, with lows of about 20°C.
Where to go instead in late February, 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.