Gapan weather in January

In January, Gapan sees average daytime highs of 29°C and overnight lows near 21°C, with 36 mm of rain across 4.5 wet days and about 11.2 hours of daylight. It is the 12th-warmest and 11th-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 37% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 06 min at the start of January to 11 h 18 min by month's end. Set against the rest of the year, January is Gapan's 4th-clearest and 2nd-windiest month. For the whole year in context, see Gapan's year-round climate.

Daytime high
29°
12th warmest
Overnight low
21°
1st coldest
Rainfall
36 mm
4.5 wet days
Daylight
11 h 12 min
6:30 AM – 5:41 PM
Cloud cover
54%
4th clearest
Wind
10 km/h
2nd windiest
Solar energy
4.59 kWh/m²
Travel score
6.0
out of 10

Gapan is city of the Philippines in the province of Nueva Ecija.

Density
1,098/km²
people per km²
Founded
1732

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical January day in Gapan reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, January runs on par with December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12922
22921
32921
42921
52921
62921
72921
82921
92921
102921
112921
122921
132921
142921
152921
162921
172921
182921
192921
202921
212921
222921
232921
242921
252921
262921
272921
282921
292921
302921
312921

How January really feels in Gapan

Once humidity and wind are folded in, January 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

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

Gapan weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 21°364.511.26.0
Feb30° / 21°323.811.55.8
Mar32° / 22°395.111.94.9
Apr33° / 24°468.312.33.5
May34° / 25°1972112.72.4
Jun32° / 24°26926.212.92.3
Jul31° / 24°41129.512.82.4
Aug31° / 24°36829.312.52.5
Sep31° / 24°34928.212.12.5
Oct31° / 23°23919.911.73.4
Nov30° / 23°11211.811.34.6
Dec30° / 22°100911.15.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 24% of January, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35941
45941
56040
66040
76040
86040
96040
105941
115941
125941
135941
145842
155842
165941
175941
186040
196040
206139
216139
226238
236238
246337
256436
266436
276535
286535
296535
306535
316535

Chance of precipitation in January

Any precipitation

Gapan gets around 36 mm of rain over 4.5 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 16% and peaks near 19% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
119
218
317
417
516
615
715
814
914
1014
1114
1215
1315
1415
1516
1616
1716
1817
1917
2017
2117
2217
2316
2416
2516
2615
2715
2815
2915
3014
3114

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 48% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1540541
2541531
3542521
4543511
5544501
6544501
7545490
8545490
9545490
10645490
11645490
12645490
13645490
14645490
15645490
16645490
17645490
18646480
19646480
20646480
21646470
22647470
23647470
24647460
25647460
26648450
27748450
28748440
29748440
30748440
31748440

Wind in January

Winds average 10 km/h in January.

Across January, daily wind ranges from about 10 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
111calm
211calm
311calm
411calm
511calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 06 min at the start of January to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over January. Sunrise moves from 6:26 AM to 6:30 AM, and sunset from 5:33 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:265:33
211.16:275:33
311.16:275:34
411.16:275:34
511.16:285:35
611.16:285:35
711.16:285:36
811.16:285:36
911.16:295:37
1011.16:295:38
1111.26:295:38
1211.26:295:39
1311.26:305:39
1411.26:305:40
1511.26:305:40
1611.26:305:41
1711.26:305:42
1811.26:305:42
1911.26:305:43
2011.26:305:43
2111.26:305:44
2211.26:315:44
2311.26:315:45
2411.26:315:45
2511.36:315:46
2611.36:315:46
2711.36:305:47
2811.36:305:48
2911.36:305:48
3011.36:305:49
3111.36:305:49

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.59 kWh/m².

For context, solar energy here swings from a low near 4.06 kWh/m² to a high of 6.29 kWh/m² in April across the year — January's 4.59 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.8Bright
314.8Bright
Planning a trip in January

Hazard calendar for Gapan

In seasonPeak

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

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

Gapan's monsoon runs May–October, when most of the year's rain falls.

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

Is January a good time to visit Gapan?

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

6.0
Sightseeing
1st-best month of the year
7.8
Beach & pool
2nd-best month of the year

January is a reasonable time to visit Gapan for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Gapan in January

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

In January, Gapan sees daytime highs around 29°C and nights near 21°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

UV index in Gapan in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 Gapan peaks around March 24 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMar 24UV 13Nov 21UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Gapan in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Gapan is worst in October — around 49 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateOct 1049 µg/m³Feb 1132 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb32Moderate
Mar36Poor
Apr39Poor
May42Poor
Jun46Poor
Jul42Poor
Aug41Poor
Sep49Poor
Oct49Poor
Nov39Poor
Dec33Moderate
Location & terrain

Where is Gapan?

Gapan sits at 15.3°N, 120.9°E, 24 m above sea level, in Philippines. The nearest listed city is Jaen, 4.0 km away.

Topography around Gapan

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

Within 3 km, the terrain around Gapan has only modest variations in elevation — a maximum elevation change of 19 m around an average of 19 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 123 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,922 m.

The land around Gapan is covered by cropland (62%) within 3 km, cropland (70%) within 16 km, and trees (46%) and cropland (29%) within 80 km.

3 km
19 m
16 km
123 m
80 km
1,922 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Jaen 4.0 km · San Leonardo 6.0 km · Peñaranda 8.0 km · Cabiao 12 km · General Tinio 12 km · Papaya 12 km · San Francisco 13 km · San Miguel 19 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 Gapan (15.3072°, 120.9464°, elevation 24 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). 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).