Climate averages 1991–2020
Rosario, Philippines weather
in January.
A warm, moderately wet month: the coolest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a warm month in Rosario, Philippines: daytime highs average 27.8°C and nights cool to about 23.3°C. By daytime temperature it is the coolest month of the year.
Expect about 49 mm of rain on roughly 10 days, which makes January a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 25 min on an average January day.
The nearest other city in this atlas is Batangas (22 km away). In January its highs average 28.0°C, about as warm as Rosario, Philippines, with 35 mm of rain.
Among the 151 cities listed in the Philippines, Rosario, Philippines ranks joint 85th of 151 for the warmest January highs and 54th of 151 for the driest January (rainfall, lowest first). The mean January high of those 151 cities is 27.8°C; Rosario, Philippines is 0.1°C warmer than that mean.
From January to February, average highs rise by 0.8°C to 28.6°C, and monthly rainfall falls from 49 mm to 45 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Batangas in JanuaryPhilippines · 22 kmHigh 28.0°C · Low 23.2°C · 35 mm rain
- Lipa City in JanuaryPhilippines · 35 kmHigh 26.4°C · Low 21.0°C · 43 mm rain
- Candelaria in JanuaryPhilippines · 40 kmHigh 26.9°C · Low 22.8°C · 72 mm rain
- San Pablo in JanuaryPhilippines · 50 kmHigh 27.0°C · Low 22.7°C · 43 mm rain
- Lucena in JanuaryPhilippines · 54 kmHigh 26.9°C · Low 24.1°C · 72 mm rain
- Los Baños in JanuaryPhilippines · 60 kmHigh 27.9°C · Low 23.1°C · 40 mm rain
- Tagaytay in JanuaryPhilippines · 60 kmHigh 24.9°C · Low 19.7°C · 35 mm rain
- Pagbilao in JanuaryPhilippines · 64 kmHigh 26.2°C · Low 24.1°C · 117 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.