Sipalay weather in December

In December, Sipalay sees average daytime highs of 29°C and overnight lows near 24°C, with 154 mm of rain across 18.1 wet days and about 11.4 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 14% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 30 min at the start of December to 11 h 24 min by month's end. Set against the rest of the year, December is Sipalay's 5th-clearest and 3rd-windiest month. For the whole year in context, see Sipalay's year-round climate.

Daytime high
29°
6th warmest
Overnight low
24°
4th coldest
Rainfall
154 mm
18.1 wet days
Daylight
11 h 24 min
6:04 AM – 5:30 PM
Cloud cover
74%
5th clearest
Wind
14 km/h
3rd windiest
Solar energy
4.76 kWh/m²
Travel score
4.2
out of 10

Sipalay is city of the Philippines in the province of Negros Occidental.

Density
194/km²
people per km²
Founded
1948

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 29°C through the month.

A typical December day in Sipalay reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
42924
52924
62924
72924
82924
92924
102924
112924
122924
132924
142924
152924
162924
172924
182924
192924
202924
212924
222924
232924
242924
252924
262924
272924
282924
292924
302924
312924

How December really feels in Sipalay

Once humidity and wind are folded in, December averages 31 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
31
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.

Sipalay weather by month

How December compares with the rest of the year at a glance. December is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°8512.511.54.9
Feb30° / 24°8110.211.74.9
Mar31° / 24°8811.411.94.5
Apr31° / 25°1151512.23.8
May30° / 25°27026.412.43.0
Jun29° / 25°38928.412.62.9
Jul28° / 24°43329.212.53.1
Aug28° / 24°38627.812.33.3
Sep28° / 24°39728.512.13.1
Oct29° / 24°33028.811.83.1
Nov30° / 24°1862111.63.7
Dec29° / 24°15418.111.44.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22971
33070
43169
53169
63070
73070
83169
93169
103070
113070
123169
133169
143169
153169
163169
173169
183070
193070
203070
213070
223070
233070
243070
253169
263169
273169
283169
293268
303268
313367

Chance of precipitation in December

Any precipitation

Sipalay gets around 154 mm of rain over 18.1 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 58% and peaks near 63% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
162
262
362
462
562
663
763
863
963
1063
1163
1263
1362
1462
1561
1660
1759
1859
1958
2057
2156
2255
2354
2453
2552
2651
2750
2849
2948
3048
3147

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 77% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
116732
216831
316831
416831
516930
616930
717029
817128
917227
1017326
1117425
1217524
1317623
1417722
1517821
1617920
1727919
1828018
1928117
2038116
2138116
2248115
2348214
2458114
2558213
2668212
2768311
2878211
2978310
308839
318848

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 13 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 30 min at the start of December to 11 h 24 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 5:56 AM to 6:10 AM, and sunset from 5:24 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.55:565:24
211.55:565:25
311.55:575:25
411.55:575:25
511.55:585:25
611.55:585:26
711.55:595:26
811.46:005:26
911.46:005:27
1011.46:015:27
1111.46:015:28
1211.46:025:28
1311.46:025:28
1411.46:035:29
1511.46:035:29
1611.46:045:30
1711.46:045:30
1811.46:055:30
1911.46:055:31
2011.46:055:31
2111.46:065:32
2211.46:065:32
2311.46:075:33
2411.46:075:33
2511.46:085:34
2611.46:085:34
2711.46:095:35
2811.46:095:35
2911.46:105:36
3011.46:105:36
3111.46:105:37

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.76 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.76 kWh/m² to a high of 6.65 kWh/m² in April across the year — December's 4.76 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in December

Hazard calendar for Sipalay

In seasonPeak

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

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

Sipalay's rainy season runs May–October, when most of the year's rain falls.

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

Is December a good time to visit Sipalay?

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

4.2
Sightseeing
4th-best month of the year
5.6
Beach & pool
5th-best month of the year

December is a reasonable time to visit Sipalay for sightseeing.

What to pack for Sipalay in December

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

In December, Sipalay sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Sipalay 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 14 km away) is warmest in May at about 30°C and coldest in February 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
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Sipalay 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 Sipalay peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 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 highMar 21UV 14Nov 22UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec10Very high
Location & terrain

Where is Sipalay?

Sipalay sits at 9.8°N, 122.4°E, 10 m above sea level, in Philippines. The nearest listed city is Asia, 26 km away.

Topography around Sipalay

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

Within 3 km, the terrain around Sipalay has only modest variations in elevation — a maximum elevation change of 169 m around an average of 18 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 510 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,440 m.

The land around Sipalay is covered by trees (36%) and water (36%) within 3 km, water (53%) and trees (41%) within 16 km, and water (60%) and trees (33%) within 80 km.

3 km
169 m
16 km
510 m
80 km
1,440 m
treesgrasslandcroplandartificial surfaceswatermangroves
December weather nearby: Asia 26 km · Kabankalan 52 km · Suay 59 km · Bayawan 61 km · Himamaylan 64 km · Santa Catalina 69 km · Binalbagan 70 km · Hinigaran 76 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 Sipalay (9.7519°, 122.4042°, elevation 10 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).