Tandag weather in December

In December, Tandag sees average daytime highs of 28°C and overnight lows near 25°C, with 350 mm of rain across 28.7 wet days and about 11.5 hours of daylight. It is the 9th-warmest and 3rd-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 6% of the time in December, and the air most often feels miserable.

Daylight stretches from about 11 h 30 min at the start of December to 11 h 30 min by month's end. Set against the rest of the year, December is Tandag's 8th-clearest and 3rd-windiest month. For the whole year in context, see Tandag's year-round climate.

Daytime high
28°
9th warmest
Overnight low
25°
5th coldest
Rainfall
350 mm
28.7 wet days
Daylight
11 h 30 min
5:47 AM – 5:16 PM
Cloud cover
81%
8th clearest
Wind
9 km/h
3rd windiest
Solar energy
4.14 kWh/m²
Travel score
3.3
out of 10

Tandag is city of the Philippines and capital of the province of Surigao del Sur.

Density
99/km²
people per km²
Founded
2007

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 Tandag reaches about 28°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102825
112825
122825
132825
142825
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272824
282824
292824
302824
312824

How December really feels in Tandag

Once humidity and wind are folded in, December averages 26 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
26
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.

Tandag weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°51528.811.53.6
Feb28° / 24°36725.811.73.6
Mar28° / 24°27426.911.93.6
Apr29° / 25°16223.712.23.6
May30° / 25°17126.512.43.1
Jun30° / 25°2032612.52.9
Jul30° / 25°21026.112.53.0
Aug31° / 25°20024.612.33.0
Sep30° / 25°19524.912.12.9
Oct30° / 25°21826.711.83.0
Nov29° / 25°25926.211.63.2
Dec28° / 25°35028.711.53.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22179
32179
42179
52179
62179
72179
82080
91981
101981
111882
121981
131882
141882
151783
161783
171783
181684
191585
201585
211585
221684
231684
241684
251684
261684
271684
281783
291783
301783
311783

Chance of precipitation in December

Any precipitation

Tandag gets around 350 mm of rain over 28.7 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 92% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
188
288
389
489
590
691
792
892
993
1093
1194
1294
1394
1494
1594
1694
1794
1893
1993
2093
2193
2292
2392
2492
2593
2693
2793
2893
2994
3094
3195

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the miserable band about 63% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
102971
202971
302971
402971
503070
603070
703070
803070
903070
1003169
1103169
1203169
1303268
1403268
1503367
1613465
1713465
1813564
1913663
2023662
2123761
2223860
2323860
2423959
2534156
2634255
2734354
2834552
2934750
3034849
3135047

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 30 min at the start of December to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 5:40 AM to 5:54 AM, and sunset from 5:10 PM to 5:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.55:405:10
211.55:405:10
311.55:415:11
411.55:415:11
511.55:425:11
611.55:425:12
711.55:435:12
811.55:435:12
911.55:445:13
1011.55:445:13
1111.55:455:14
1211.55:455:14
1311.55:465:14
1411.55:465:15
1511.55:475:15
1611.55:475:16
1711.55:485:16
1811.55:485:16
1911.55:495:17
2011.55:495:17
2111.55:505:18
2211.55:505:18
2311.55:515:19
2411.55:515:19
2511.55:515:20
2611.55:525:20
2711.55:525:21
2811.55:535:21
2911.55:535:22
3011.55:545:22
3111.55:545:23

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.14 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.14 kWh/m² to a high of 5.87 kWh/m² in April across the year — December's 4.14 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.1Bright
294.1Bright
304.1Bright
314.1Bright
Planning a trip in December

Hazard calendar for Tandag

In seasonPeak

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

Tandag 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 Tandag?

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

3.3
Sightseeing
5th-best month of the year
3.9
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Tandag.

What to pack for Tandag in December

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

In December, Tandag sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

Sea temperature near Tandag in December

The nearest coast averages about 29°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 20 km away) is warmest in June at about 30°C and coldest in February near 28°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
Jan28Warm
Feb28Warm
Mar28Tropical
Apr29Tropical
May29Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Tandag in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tandag peaks around March 22 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 22UV 14Dec 15UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec10Very high
Location & terrain

Where is Tandag?

Tandag sits at 9.1°N, 126.2°E, 8 m above sea level, in Philippines. The nearest listed city is Bayugan, 59 km away.

Topography around Tandag

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

Within 3 km, the terrain around Tandag has only modest variations in elevation — a maximum elevation change of 78 m around an average of 5 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 635 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,897 m.

The land around Tandag is covered by water (65%) and trees (22%) within 3 km, water (47%) and trees (44%) within 16 km, and trees (48%) and water (47%) within 80 km.

3 km
78 m
16 km
635 m
80 km
1,897 m
treesgrasslandcroplandartificial surfaceswatermangroves
December weather nearby: Bayugan 59 km · Bah-Bah 61 km · Prosperidad 65 km · San Francisco 66 km · Tagbina 70 km · Cabadbaran 73 km · Butuan 73 km · Libertad 78 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 Tandag (9.0783°, 126.1986°, elevation 8 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).