Climate averages 1991–2020
Rosario, Philippines weather
in December.
A hot, very wet month: the 11th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Rosario, Philippines: daytime highs average 28.1°C and nights cool to about 24.0°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 187 mm of rain on roughly 17 days, which makes December a very wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 20 min on an average December day.
The nearest other city in this atlas is Batangas (22 km away). In December its highs average 28.2°C, about as warm as Rosario, Philippines, with 161 mm of rain.
Among the 151 cities listed in the Philippines, Rosario, Philippines ranks joint 89th of 151 for the warmest December highs and 92nd of 151 for the driest December (rainfall, lowest first). The mean December high of those 151 cities is 28.1°C; Rosario, Philippines is level with that mean.
From December to January, average highs fall by 0.2°C to 27.8°C, and monthly rainfall falls from 187 mm to 49 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Rosario, Philippines climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.8°C23.3°C | 23.3°C | 49 | 10.1 | 11.411 h |
| February | 28.6°C23.2°C | 23.2°C | 45 | 7.8 | 11.712 h |
| March | 30.1°C23.9°C | 23.9°C | 50 | 9.8 | 12.012 h |
| April | 31.8°C25.0°C | 25.0°C | 52 | 10.6 | 12.412 h |
| May | 31.9°C25.7°C | 25.7°C | 150 | 20.8 | 12.813 h |
| June | 30.9°C25.4°C | 25.4°C | 219 | 24.9 | 12.913 h |
| July | 29.8°C25.0°C | 25.0°C | 339 | 27.6 | 12.813 h |
| August | 29.9°C25.0°C | 25.0°C | 270 | 25.9 | 12.613 h |
| September | 29.7°C24.8°C | 24.8°C | 329 | 27.1 | 12.212 h |
| October | 29.4°C24.5°C | 24.5°C | 236 | 24.6 | 11.812 h |
| November | 28.9°C24.5°C | 24.5°C | 145 | 19.9 | 11.512 h |
| December, selected | 28.1°C24.0°C | 24.0°C | 187 | 17.0 | 11.311 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Batangas in DecemberPhilippines · 22 kmHigh 28.2°C · Low 24.0°C · 161 mm rain
- Lipa City in DecemberPhilippines · 35 kmHigh 26.6°C · Low 21.8°C · 155 mm rain
- Candelaria in DecemberPhilippines · 40 kmHigh 27.2°C · Low 23.5°C · 229 mm rain
- San Pablo in DecemberPhilippines · 50 kmHigh 27.3°C · Low 23.5°C · 155 mm rain
- Lucena in DecemberPhilippines · 54 kmHigh 27.3°C · Low 24.8°C · 229 mm rain
- Los Baños in DecemberPhilippines · 60 kmHigh 28.1°C · Low 24.0°C · 141 mm rain
- Tagaytay in DecemberPhilippines · 60 kmHigh 25.0°C · Low 20.6°C · 129 mm rain
- Pagbilao in DecemberPhilippines · 64 kmHigh 26.6°C · Low 24.8°C · 318 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Rosario) is explained once on the Rosario, Philippines year overview and on the Sources, method and limits page.