Climate averages 1991–2020
Iriga City weather
in December.
A hot, very wet month: the 10th 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 Iriga City: daytime highs average 28.1°C and nights cool to about 23.6°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 285 mm of rain on roughly 25 days, which makes December a very wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 21 min on an average December day.
The nearest other city in this atlas is Polangui (18 km away). In December its highs average 28.6°C, 0.5°C warmer than Iriga City, with 193 mm of rain.
Among the 151 cities listed in the Philippines, Iriga City ranks joint 89th of 151 for the warmest December highs and 129th of 151 for the driest December (rainfall, lowest first). The mean December high of those 151 cities is 28.1°C; Iriga City is level with that mean.
From December to January, average highs fall by 0.5°C to 27.5°C, and monthly rainfall falls from 285 mm to 180 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
Iriga City climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.5°C22.7°C | 22.7°C | 180 | 21.1 | 11.411 h |
| February | 28.0°C22.5°C | 22.5°C | 127 | 16.4 | 11.712 h |
| March | 29.3°C23.0°C | 23.0°C | 121 | 17.4 | 12.012 h |
| April | 31.0°C24.1°C | 24.1°C | 85 | 15.0 | 12.412 h |
| May | 31.1°C25.1°C | 25.1°C | 211 | 22.8 | 12.713 h |
| June | 30.2°C25.1°C | 25.1°C | 302 | 27.4 | 12.913 h |
| July | 29.2°C24.7°C | 24.7°C | 428 | 30.2 | 12.813 h |
| August | 29.1°C24.8°C | 24.8°C | 368 | 29.6 | 12.613 h |
| September | 29.1°C24.5°C | 24.5°C | 383 | 29.0 | 12.212 h |
| October | 29.2°C24.3°C | 24.3°C | 295 | 28.2 | 11.812 h |
| November | 28.9°C24.1°C | 24.1°C | 231 | 26.0 | 11.512 h |
| December, selected | 28.1°C23.6°C | 23.6°C | 285 | 25.3 | 11.411 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
- Polangui in DecemberPhilippines · 18 kmHigh 28.6°C · Low 23.7°C · 193 mm rain
- Naga (Bicol Region), Philippines in DecemberPhilippines · 32 kmHigh 27.9°C · Low 24.1°C · 171 mm rain
- Calabanga in DecemberPhilippines · 38 kmHigh 27.8°C · Low 24.2°C · 244 mm rain
- Legaspi in DecemberPhilippines · 48 kmHigh 28.0°C · Low 24.3°C · 299 mm rain
- Sorsogon in DecemberPhilippines · 81 kmHigh 27.2°C · Low 24.9°C · 402 mm rain
- Daet in DecemberPhilippines · 90 kmHigh 26.7°C · Low 24.1°C · 317 mm rain
- Virac in DecemberPhilippines · 91 kmHigh 27.8°C · Low 25.1°C · 310 mm rain
- Catarman in DecemberPhilippines · 169 kmHigh 28.1°C · Low 24.2°C · 256 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 Iriga City) is explained once on the Iriga City year overview and on the Sources, method and limits page.