Altamira weather by month
Warmest month
October
34°C average high
Coolest month
July
23°C average low
Wettest month
March
97 mm of rain
Driest month
September
14 mm of rain
Average temperature and rainfall in Altamira by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 31°C | 24°C | 21°C / 34°C | 52 mm | 82% | 10 km/h |
| February | 30°C | 24°C | 22°C / 33°C | 60 mm | 85% | 10 km/h |
| March | 30°C | 24°C | 22°C / 34°C | 97 mm | 86% | 10 km/h |
| April | 30°C | 24°C | 22°C / 33°C | 79 mm | 86% | 9 km/h |
| May | 30°C | 24°C | 21°C / 36°C | 67 mm | 87% | 9 km/h |
| June | 30°C | 23°C | 22°C / 34°C | 29 mm | 86% | 9 km/h |
| July | 31°C | 23°C | 22°C / 36°C | 15 mm | 84% | 8 km/h |
| August | 32°C | 24°C | 21°C / 36°C | 15 mm | 80% | 10 km/h |
| September | 33°C | 25°C | 22°C / 38°C | 14 mm | 75% | 13 km/h |
| October | 34°C | 25°C | 23°C / 38°C | 22 mm | 72% | 13 km/h |
| November | 33°C | 25°C | 22°C / 38°C | 36 mm | 74% | 13 km/h |
| December | 31°C | 24°C | 22°C / 37°C | 45 mm | 79% | 11 km/h |
Frost and snow-likely months in Altamira
No month in Altamira averages a night of 2°C or below. The coldest month is July with an average low of 23°C and a record low of 22°C, so frost is rare and snow is very unlikely.
These records carry temperature and precipitation, not snowfall totals.
Best time to visit Altamira
The most comfortable time to visit Altamira is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around March, totalling about 531 mm a year.
Travellers who prefer heat should aim for October, when highs average 34°C. March is the month to avoid if rain would spoil your plans — it averages 97 mm, roughly 7× the rainfall of the driest month (September).
Altamira climate: your questions
Does it snow in Altamira?
No: the coldest month in Altamira is July with an average low of 23°C and a record low of 22°C, so snow is very unlikely. What is falling now: Altamira weather today.
When is the best time to visit Altamira?
June to August are the most comfortable months in Altamira, with highs near 31°C. October is the warmest month, averaging 34°C by day; March is the wettest, with 97 mm; and July is the coolest, with lows near 23°C. What it is doing today: Altamira weather today.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Altamira forecast for what is happening now.
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