Climate averages 1991–2020

Iriga City weather
in January.

A warm, very wet month: the coolest and the 4th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 27.5°C Daytime mean, January
Average low 22.7°C Night-time mean, January
Rainfall 180 mm 21 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Iriga City · average highYear overview

January is a warm month in Iriga City: daytime highs average 27.5°C and nights cool to about 22.7°C. By daytime temperature it is the coolest month of the year.

Expect about 180 mm of rain on roughly 21 days, which makes January a very wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 26 min on an average January day.

The nearest other city in this atlas is Polangui (18 km away). In January its highs average 28.1°C, 0.5°C warmer than Iriga City, with 109 mm of rain.

Among the 151 cities listed in the Philippines, Iriga City ranks joint 99th of 151 for the warmest January highs and 114th of 151 for the driest January (rainfall, lowest first). The mean January high of those 151 cities is 27.8°C; Iriga City is 0.2°C cooler than that mean.

From January to February, average highs rise by 0.5°C to 28.0°C, and monthly rainfall falls from 180 mm to 127 mm.

The annual picture

January in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 20253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 4500

Averages 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

1991–2020
Monthly climate averages for Iriga City, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January, selected 27.5°C22.7°C22.7°C18021.111.411 h
February 28.0°C22.5°C22.5°C12716.411.712 h
March 29.3°C23.0°C23.0°C12117.412.012 h
April 31.0°C24.1°C24.1°C8515.012.412 h
May 31.1°C25.1°C25.1°C21122.812.713 h
June 30.2°C25.1°C25.1°C30227.412.913 h
July 29.2°C24.7°C24.7°C42830.212.813 h
August 29.1°C24.8°C24.8°C36829.612.613 h
September 29.1°C24.5°C24.5°C38329.012.212 h
October 29.2°C24.3°C24.3°C29528.211.812 h
November 28.9°C24.1°C24.1°C23126.011.512 h
December 28.1°C23.6°C23.6°C28525.311.411 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

January in nearby cities

Distance from Iriga City

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 limits

How 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.