The most comfortable time to visit São João del Rei is from late March to mid December, and again from February to early March. For sun, aim for mid December to mid March; for walking, go from mid May to August.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
For sun, go from mid December to mid March. It peaks in late January, at 69. Avoid mid June to early August for this: it falls to 8, mostly because it is too cool. The clearest skies come in August, when the sky is typically 51% covered at midday (partly cloudy).
The being outside season here runs from late March to mid December, with a second spell from February to early March. It peaks in late June, at 86. The weakest stretch is in mid and late January, when it drops to 47, mostly because it is often wet.
For walking, go from mid May to August. It peaks in early July, at 75. Avoid mid and late January for this: it falls to 11, mostly because it is too warm.
The year, measured
The average temperature in São João del Rei over the whole year is 20°C. January is the hottest month, with highs of about 26°C; July is the coldest, with lows of about 12°C. The rainy (wet) season in São João del Rei runs from August to June, peaking in January with a 82% chance of rain on a given day. The dry season is July; July is the driest month, at 20%. Winds in São João del Rei are highest in September, averaging 2.4 m/s (9 km/h), and lightest in May, at 1.7 m/s (6 km/h). The prevailing wind is from the NE. The clearest skies in São João del Rei come in August, when the sky is typically 53% covered; November is the cloudiest month, at 81%.
Month by month São João del Rei 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 | 26°C | 19°C | 27°C | 82% | 71% | 1.9 m/s | 51 | 66 | 14 |
| February | 26°C | 19°C | 27°C | 81% | 74% | 1.9 m/s | 59 | 60 | 19 |
| March | 25°C | 18°C | 26°C | 78% | 63% | 1.9 m/s | 60 | 61 | 19 |
| April | 24°C | 17°C | 24°C | 70% | 60% | 1.9 m/s | 77 | 44 | 38 |
| May | 22°C | 14°C | 22°C | 62% | 55% | 1.7 m/s | 83 | 22 | 59 |
| June | 21°C | 13°C | 21°C | 59% | 55% | 1.7 m/s | 85 | 14 | 67 |
| July | 21°C | 12°C | 19°C | 20% | 54% | 1.9 m/s | 80 | 9 | 73 |
| August | 22°C | 13°C | 20°C | 64% | 53% | 2.2 m/s | 80 | 17 | 66 |
| September | 25°C | 15°C | 24°C | 72% | 54% | 2.4 m/s | 71 | 40 | 42 |
| October | 25°C | 18°C | 25°C | 71% | 77% | 2.3 m/s | 68 | 47 | 33 |
| November | 24°C | 18°C | 24°C | 82% | 81% | 2.2 m/s | 72 | 43 | 37 |
| December | 25°C | 19°C | 26°C | 74% | 79% | 2.0 m/s | 60 | 55 | 24 |
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 São João del Rei weather by season
Year round, São João del Rei has days of about 21°C at their warmest in July, its coolest month, and 26°C in January, its warmest; the coolest hours of the day run from 12°C to 19°C through the year, and the average temperature over the year is 20°C around the clock. Rain is most likely around January 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.
São João del Rei weather in winterJune to August
Winter in São João del Rei has typical daily highs of about 21°C and lows of about 12°C, with a 48% chance of rain on a given day.
São João del Rei weather in springSeptember to November
Spring in São João del Rei has typical daily highs of about 25°C and lows of about 17°C, with a 75% chance of rain on a given day.
São João del Rei weather in summerDecember to February
Summer in São João del Rei has typical daily highs of about 26°C and lows of about 19°C, with a 79% chance of rain on a given day.
São João del Rei weather in autumnMarch to May
Autumn in São João del Rei has typical daily highs of about 24°C and lows of about 16°C, with a 70% chance of rain on a given day.
When is the rainy season in São João del Rei?
The rainy (wet) season in São João del Rei runs from August to June, peaking in January with a 82% chance of rain on a given day. The dry season is July; July is the driest month, at 20%.
What time of year is São João del Rei windiest?
Winds in São João del Rei are highest in September, averaging 2.4 m/s (9 km/h), and lightest in May, at 1.7 m/s (6 km/h). The prevailing wind is from the NE.
What is the average temperature in São João del Rei year round?
The average temperature in São João del Rei over the whole year is 20°C. January is the hottest month, with highs of about 26°C; July is the coldest, with lows of about 12°C.
Where to go instead in mid January, 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.