San Jose weather in December

In December, San Jose sees average daytime highs of 27°C and overnight lows near 26°C, with 389 mm of rain across 28.6 wet days and about 11.4 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 15% of the time in December, and the air most often feels miserable.

Daylight stretches from about 11 h 24 min at the start of December to 11 h 24 min by month's end. Set against the rest of the year, December is San Jose's 7th-clearest and 3rd-windiest month. For the whole year in context, see San Jose's year-round climate.

Daytime high
27°
9th warmest
Overnight low
26°
4th coldest
Rainfall
389 mm
28.6 wet days
Daylight
11 h 24 min
5:52 AM – 5:16 PM
Cloud cover
74%
7th clearest
Wind
22 km/h
3rd windiest
Solar energy
4.15 kWh/m²
Travel score
3.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical December day in San Jose reaches about 27°C in the afternoon and slips back to 26°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, December runs on par with November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12726
22726
32726
42726
52726
62726
72726
82726
92726
102726
112726
122726
132726
142726
152726
162726
172726
182726
192726
202726
212726
222726
232726
242725
252725
262725
272725
282725
292725
302725
312725

How December really feels in San Jose

Once humidity and wind are folded in, December averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

San Jose weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 25°36027.311.54.0
Feb27° / 25°27622.811.74.3
Mar27° / 25°21223.811.94.6
Apr27° / 26°1362212.24.7
May28° / 27°12822.312.54.3
Jun28° / 27°17023.312.63.8
Jul28° / 27°16021.212.54.1
Aug29° / 27°11517.612.34.4
Sep28° / 27°13019.312.14.2
Oct28° / 26°18924.311.84.1
Nov28° / 26°3102611.53.9
Dec27° / 26°38928.611.43.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
23070
33070
43070
53070
63070
72971
83070
93070
102971
113070
123070
133070
143169
153169
163169
173070
183169
193169
203169
213169
223169
233169
243268
253268
263268
273367
283268
293268
303367
313367

Chance of precipitation in December

Any precipitation

San Jose gets around 389 mm of rain over 28.6 wet days in December, the wettest month. 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 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
188
289
389
490
590
691
791
892
993
1093
1193
1294
1394
1494
1594
1694
1794
1894
1993
2093
2193
2292
2392
2492
2591
2691
2791
2891
2991
3091
3191

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
114059
214158
314158
414257
514257
614257
714257
814356
914356
1014356
1114356
1214455
1314455
1414554
1514554
1614653
1714653
1814752
1924751
2024850
2124949
2234948
2335047
2435146
2535344
2635443
2745541
2845739
2945838
3046036
3146234

Wind in December

Winds average 22 km/h in December.

Across December, daily wind ranges from about 20 km/h on the calmest days to 25 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
120breezy
220breezy
320breezy
420breezy
520breezy
620breezy
720breezy
821breezy
921breezy
1021breezy
1121breezy
1221breezy
1321breezy
1422breezy
1522breezy
1622breezy
1722breezy
1823breezy
1923breezy
2023breezy
2123breezy
2223breezy
2323breezy
2424breezy
2524breezy
2624breezy
2724breezy
2824breezy
2924breezy
3024breezy
3125breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 24 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 grow by about 0 minutes over December. Sunrise moves from 5:44 AM to 5:59 AM, and sunset from 5:11 PM to 5:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.45:445:11
211.45:455:11
311.45:455:11
411.45:465:12
511.45:465:12
611.45:475:12
711.45:475:13
811.45:485:13
911.45:485:13
1011.45:495:14
1111.45:495:14
1211.45:505:14
1311.45:505:15
1411.45:515:15
1511.45:515:16
1611.45:525:16
1711.45:525:17
1811.45:535:17
1911.45:535:17
2011.45:545:18
2111.45:545:18
2211.45:555:19
2311.45:555:19
2411.45:555:20
2511.45:565:20
2611.45:565:21
2711.45:575:21
2811.45:575:22
2911.45:585:22
3011.45:585:23
3111.45:595:23

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.15 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.15 kWh/m² to a high of 6.16 kWh/m² in April across the year — December's 4.15 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in December

Hazard calendar for San Jose

In seasonPeak

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

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

San Jose's rainy season runs October–March, 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 San Jose?

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

3.7
Sightseeing
12th-best month of the year
3.8
Beach & pool
12th-best month of the year

December is a weaker month for outdoor sightseeing in San Jose.

What to pack for San Jose in December

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

In December, San Jose sees daytime highs around 27°C and nights near 26°C. Pack light clothes and rain gear. Worth having: a windbreaker. About 29 days see rain.

light clothesrain geara windbreaker

Sea temperature near San Jose 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 22 km away) is warmest in June at about 29°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°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar28Warm
Apr28Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in San Jose 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 San Jose peaks around April 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 10UV 14Dec 16UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec9Very high
Location & terrain

Where is San Jose?

San Jose sits at 10.2°N, 125.6°E, 3 m above sea level, in Philippines. The nearest listed city is Surigao, 44 km away.

AbuyogInopacanBaybayBurauenCabadbaran

Topography around San Jose

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

Within 3 km, the terrain around San Jose has significant variations in elevation — a maximum elevation change of 272 m around an average of 45 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 734 m; within 80 km, large variations in elevation — a maximum elevation change of 1,002 m.

The land around San Jose is covered by trees (70%) within 3 km, trees (50%) and water (43%) within 16 km, and water (76%) and trees (21%) within 80 km.

3 km
272 m
16 km
734 m
80 km
1,002 m
treesgrasslandcroplandbare terrainwatermangroves
December weather nearby: Surigao 44 km · Siargao 63 km · Maasin 80 km · Abuyog 88 km · Inopacan 97 km · Baybay 101 km · Burauen 115 km · Cabadbaran 118 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 San Jose (10.18°, 125.5683°, elevation 3 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).