San Carlos weather by month
Warmest month
May
32°C average high
Coolest month
January
24°C average low
Wettest month
January
67 mm of rain
Driest month
March
22 mm of rain
Average temperature and rainfall in San Carlos 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 | 29°C | 24°C | 22°C / 34°C | 67 mm | 82% | 15 km/h |
| February | 30°C | 24°C | 23°C / 39°C | 47 mm | 79% | 15 km/h |
| March | 31°C | 25°C | 21°C / 33°C | 22 mm | 74% | 13 km/h |
| April | 32°C | 26°C | 23°C / 35°C | 36 mm | 74% | 11 km/h |
| May | 32°C | 26°C | 24°C / 35°C | 37 mm | 76% | 8 km/h |
| June | 32°C | 26°C | 24°C / 34°C | 65 mm | 79% | 7 km/h |
| July | 31°C | 26°C | 23°C / 33°C | 67 mm | 79% | 10 km/h |
| August | 31°C | 26°C | 23°C / 34°C | 52 mm | 79% | 11 km/h |
| September | 31°C | 26°C | 24°C / 34°C | 58 mm | 80% | 11 km/h |
| October | 31°C | 25°C | 21°C / 34°C | 67 mm | 81% | 10 km/h |
| November | 31°C | 26°C | 25°C / 33°C | 58 mm | 80% | 11 km/h |
| December | 30°C | 25°C | 21°C / 32°C | 67 mm | 81% | 13 km/h |
Frost and snow-likely months in San Carlos
No month in San Carlos averages a night of 2°C or below. The coldest month is January with an average low of 24°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 San Carlos
The most comfortable time to visit San Carlos is generally January to March, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around January, totalling about 642 mm a year.
Travellers who prefer heat should aim for May, when highs average 32°C. January is the month to avoid if rain would spoil your plans — it averages 67 mm, roughly 3× the rainfall of the driest month (March).
San Carlos climate: your questions
Will it snow in San Carlos this year?
No: the coldest month in San Carlos is January with an average low of 24°C and a record low of 22°C, so snow is very unlikely. What is falling now: San Carlos weather today.
Which months are best for visiting San Carlos?
January to March are the most comfortable months in San Carlos, with highs near 30°C. May is the warmest month, averaging 32°C by day; January is the wettest, with 67 mm; and January is the coolest, with lows near 24°C. What it is doing today: San Carlos weather today.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the San Carlos forecast for what is happening now.
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