The most comfortable time to visit Santos is from mid April to mid November. For sun, aim for late January to early April; for walking, go from July to mid August.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
For sun, go from late January to early April, with a second spell in December. It peaks in mid March, at 63. Avoid July for this: it falls to 21, mostly because it is too cool. The clearest skies come in July, when the sky is typically 52% covered at midday (partly cloudy).
The being outside season here runs from mid April to mid November. It peaks in early June, at 83. The weakest stretch is from mid February to mid March, when it drops to 24, mostly because it is too hot.
For walking, go from July to mid August, with a second spell in early and mid June. It peaks in early July, at 63. Avoid mid December to mid March for this: it falls to 5, mostly because it is too warm.
The year, measured
The average temperature in Santos over the whole year is 21°C. February is the hottest month, with highs of about 28°C; July is the coldest, with lows of about 14°C. The rainy (wet) season in Santos runs from November to March, peaking in January with a 55% chance of rain on a given day. The dry season is April to October; July is the driest month, at 14%. Winds in Santos are highest in October, averaging 2.7 m/s (10 km/h), and lightest in June, at 1.8 m/s (6 km/h). The prevailing wind is from the S. The clearest skies in Santos come in July, when the sky is typically 53% covered; October is the cloudiest month, at 75%.
Month by month Santos 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 | 28°C | 21°C | 30°C | 55% | 67% | 2.3 m/s | 28 | 54 | 8 |
| February | 28°C | 21°C | 30°C | 47% | 66% | 2.3 m/s | 29 | 57 | 8 |
| March | 28°C | 21°C | 30°C | 51% | 65% | 2.2 m/s | 29 | 61 | 7 |
| April | 26°C | 20°C | 27°C | 26% | 68% | 2.0 m/s | 56 | 55 | 22 |
| May | 24°C | 17°C | 24°C | 22% | 57% | 2.0 m/s | 70 | 38 | 42 |
| June | 22°C | 16°C | 22°C | 22% | 59% | 1.8 m/s | 78 | 27 | 56 |
| July | 22°C | 14°C | 21°C | 14% | 53% | 2.0 m/s | 77 | 22 | 60 |
| August | 22°C | 15°C | 21°C | 15% | 61% | 2.4 m/s | 74 | 26 | 56 |
| September | 25°C | 18°C | 24°C | 31% | 65% | 2.4 m/s | 67 | 40 | 38 |
| October | 25°C | 20°C | 25°C | 31% | 75% | 2.7 m/s | 65 | 45 | 31 |
| November | 25°C | 20°C | 26°C | 39% | 71% | 2.6 m/s | 62 | 47 | 29 |
| December | 27°C | 20°C | 28°C | 35% | 71% | 2.5 m/s | 41 | 59 | 11 |
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 Santos weather by season
Year round, Santos has days of about 22°C at their warmest in July, its coolest month, and 28°C in February, its warmest; the coolest hours of the day run from 14°C to 21°C through the year, and the average temperature over the year is 21°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.
Santos weather in winterJune to August
Winter in Santos has typical daily highs of about 22°C and lows of about 15°C, with a 17% chance of rain on a given day.
Santos weather in springSeptember to November
Spring in Santos has typical daily highs of about 25°C and lows of about 19°C, with a 33% chance of rain on a given day.
Santos weather in summerDecember to February
Summer in Santos has typical daily highs of about 28°C and lows of about 21°C, with a 46% chance of rain on a given day.
Santos weather in autumnMarch to May
Autumn in Santos has typical daily highs of about 26°C and lows of about 19°C, with a 33% chance of rain on a given day.
When is the rainy season in Santos?
The rainy (wet) season in Santos runs from November to March, peaking in January with a 55% chance of rain on a given day. The dry season is April to October; July is the driest month, at 14%.
What time of year is Santos windiest?
Winds in Santos are highest in October, averaging 2.7 m/s (10 km/h), and lightest in June, at 1.8 m/s (6 km/h). The prevailing wind is from the S.
What is the average temperature in Santos year round?
The average temperature in Santos over the whole year is 21°C. February is the hottest month, with highs of about 28°C; July is the coldest, with lows of about 14°C.
Where to go instead in mid March, 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.