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Rosario Weather by Month
Average temperatures, rainfall and humidity for Rosario, Philippines, month by month, built from OpenWeather’s historical records. Use it to see what a typical Rosario month looks like before you travel — then check the live Rosario forecast for the days ahead.
Warmest month
May
33°C average high
Coolest month
February
22°C average low
Wettest month
July
170 mm of rain
Driest month
February
19 mm of rain
Average temperature and rainfall in Rosario 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 | 28°C | 23°C | 17°C / 33°C | 20 mm | 80% | 11 km/h |
| February | 29°C | 22°C | 18°C / 34°C | 19 mm | 77% | 11 km/h |
| March | 31°C | 23°C | 18°C / 35°C | 25 mm | 73% | 11 km/h |
| April | 32°C | 24°C | 19°C / 38°C | 36 mm | 70% | 10 km/h |
| May | 33°C | 25°C | 22°C / 37°C | 53 mm | 76% | 8 km/h |
| June | 32°C | 25°C | 22°C / 39°C | 82 mm | 84% | 7 km/h |
| July | 30°C | 24°C | 21°C / 35°C | 170 mm | 87% | 9 km/h |
| August | 30°C | 24°C | 20°C / 35°C | 106 mm | 87% | 10 km/h |
| September | 30°C | 24°C | 21°C / 35°C | 103 mm | 88% | 8 km/h |
| October | 29°C | 24°C | 20°C / 35°C | 97 mm | 86% | 8 km/h |
| November | 30°C | 24°C | 20°C / 35°C | 55 mm | 83% | 9 km/h |
| December | 28°C | 24°C | 19°C / 34°C | 72 mm | 83% | 10 km/h |
Best time to visit Rosario
The most comfortable time to visit Rosario 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 July, totalling about 838 mm a year.
Travellers who prefer heat should aim for May, when highs average 33°C. July is the month to avoid if rain would spoil your plans — it averages 170 mm, roughly 9× the rainfall of the driest month (February).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Rosario forecast for what is happening now.