Iriga City weather in December

In December, Iriga City sees average daytime highs of 28°C and overnight lows near 23°C, with 285 mm of rain across 25.3 wet days and about 11.2 hours of daylight. It is the 10th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 11% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 18 min at the start of December to 11 h 12 min by month's end. Set against the rest of the year, December is Iriga City's 7th-clearest and 2nd-windiest month. For the whole year in context, see Iriga City's year-round climate.

Daytime high
28°
10th warmest
Overnight low
23°
4th coldest
Rainfall
285 mm
25.3 wet days
Daylight
11 h 12 min
6:06 AM – 5:19 PM
Cloud cover
74%
7th clearest
Wind
10 km/h
2nd windiest
Solar energy
3.9 kWh/m²
Travel score
3.8
out of 10

Iriga City is city of the Philippines in the province of Camarines Sur.

Density
840/km²
people per km²
Founded
1578

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical December day in Iriga City reaches about 28°C in the afternoon and slips back to 23°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12924
22924
32924
42924
52924
62924
72924
82924
92924
102924
112924
122924
132924
142824
152824
162824
172823
182823
192823
202823
212823
222823
232823
242823
252823
262823
272823
282823
292823
302823
312823

How December really feels in Iriga City

Once humidity and wind are folded in, December averages 19 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
19
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Iriga City weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 23°17821.111.34.6
Feb28° / 23°12516.211.64.7
Mar30° / 23°12117.411.94.3
Apr31° / 24°851512.33.9
May32° / 25°21122.912.62.9
Jun31° / 25°30227.412.82.5
Jul30° / 24°42830.212.72.5
Aug30° / 24°36929.612.42.6
Sep30° / 24°3832912.12.5
Oct30° / 24°29528.211.72.8
Nov29° / 24°2312611.43.2
Dec28° / 23°28525.311.23.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33466
43466
53466
63466
73466
83367
93268
103268
113268
123169
133169
143169
153169
163169
173169
183169
193169
203070
213070
223070
233070
243070
253169
263169
273169
283268
293268
303268
313367

Chance of precipitation in December

Any precipitation

Iriga City gets around 285 mm of rain over 25.3 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 81% and peaks near 86% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
186
286
386
486
586
686
786
886
986
1086
1185
1285
1384
1483
1582
1681
1780
1879
1978
2078
2177
2277
2377
2476
2576
2675
2775
2874
2974
3074
3174

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the oppressive band about 57% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1024454
2024553
3024652
4024652
5014752
6014752
7014851
8014950
9015049
10015148
11015247
12015346
13015445
14025543
15025642
16035641
17045739
18045937
19056035
20066034
21076132
22076330
23186328
24196327
25196525
261106524
271106722
281116721
291116820
301116919
311117018

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 18 min at the start of December to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 5:58 AM to 6:13 AM, and sunset from 5:14 PM to 5:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.35:585:14
211.35:595:14
311.35:595:15
411.26:005:15
511.26:005:15
611.26:015:15
711.26:015:16
811.26:025:16
911.26:025:16
1011.26:035:17
1111.26:045:17
1211.26:045:17
1311.26:055:18
1411.26:055:18
1511.26:065:18
1611.26:065:19
1711.26:075:19
1811.26:075:20
1911.26:085:20
2011.26:085:21
2111.26:095:21
2211.26:095:22
2311.26:105:22
2411.26:105:23
2511.26:105:23
2611.26:115:23
2711.26:115:24
2811.26:125:25
2911.26:125:25
3011.26:135:26
3111.26:135:26

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.9 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.9 kWh/m² to a high of 6.44 kWh/m² in April across the year — December's 3.9 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.0Bright
44.0Bright
54.0Bright
64.0Moderate
74.0Moderate
84.0Moderate
93.9Moderate
103.9Moderate
113.9Moderate
123.9Moderate
133.9Moderate
143.9Moderate
153.9Moderate
163.9Moderate
173.9Moderate
183.9Moderate
193.9Moderate
203.9Moderate
213.9Moderate
223.9Moderate
233.9Moderate
244.0Moderate
254.0Moderate
264.0Moderate
274.0Moderate
284.0Moderate
294.0Moderate
304.0Moderate
314.0Bright
Planning a trip in December

Hazard calendar for Iriga City

In seasonPeak

In December, Iriga City sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Iriga City sits in the Pacific typhoon belt; the season peaks July–October.

Pacific typhoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Iriga City?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.8
Sightseeing
5th-best month of the year
4.5
Beach & pool
6th-best month of the year

December is a weaker month for outdoor sightseeing in Iriga City.

What to pack for Iriga City in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Iriga City sees daytime highs around 28°C and nights near 23°C. Pack light clothes and rain gear. About 25 days see rain.

light clothesrain gear

Sea temperature near Iriga City in December

The nearest coast averages about 28°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 31 km away) is warmest in June at about 30°C and coldest in January near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar28Warm
Apr29Tropical
May29Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec28Warm

UV index in Iriga City in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Iriga City peaks around August 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 18UV 14Dec 15UV 9
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar12Extreme
Apr14Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov10Very high
Dec9Very high

Air quality in Iriga City in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Iriga City is worst in September — around 21 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (April, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateSep 921 µg/m³Apr 1210 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar12Good
Apr10Good
May14Moderate
Jun19Moderate
Jul20Moderate
Aug21Moderate
Sep21Moderate
Oct16Moderate
Nov12Moderate
Dec12Moderate
Location & terrain

Where is Iriga City?

Iriga City sits at 13.4°N, 123.4°E, 30 m above sea level, in Philippines. The nearest listed city is Nabua, 5.0 km away.

Topography around Iriga City

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Iriga City.

Within 3 km, the terrain around Iriga City has significant variations in elevation — a maximum elevation change of 421 m around an average of 64 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,154 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,410 m.

The land around Iriga City is covered by trees (71%) within 3 km, trees (58%) and cropland (27%) within 16 km, and water (58%) and trees (35%) within 80 km.

3 km
421 m
16 km
1,154 m
80 km
2,410 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
December weather nearby: Nabua 5.0 km · Baao 6.0 km · Bato 10 km · Buhi 11 km · Libon 15 km · Polangui 18 km · San Jose 18 km · Oas 21 km

Philippines travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
230 V · 60 Hz
Prices
≈ 33% of US
price level, 2025
GDP per capita
$4,171
2025
Happiness
6.2 / 10
World Happiness, 2025
Safe drinking water
48%
of population, 2024
Homicide rate
4.3
per 100k, 2023
Road deaths
12
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 569
Religion
Roman Catholic 79%other 8%Muslim 6%other Christian 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Iriga City (13.4324°, 123.4115°, elevation 30 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).