Passi weather in January

In January, Passi sees average daytime highs of 29°C and overnight lows near 24°C, with 121 mm of rain across 18.6 wet days and about 11.4 hours of daylight. It is the 12th-warmest and 9th-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 19% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 24 min at the start of January to 11 h 30 min by month's end. Set against the rest of the year, January is Passi's 4th-clearest and 1st-windiest month. For the whole year in context, see Passi's year-round climate.

Daytime high
29°
12th warmest
Overnight low
24°
2nd coldest
Rainfall
121 mm
18.6 wet days
Daylight
11 h 24 min
6:16 AM – 5:41 PM
Cloud cover
70%
4th clearest
Wind
17 km/h
1st windiest
Solar energy
4.34 kWh/m²
Travel score
4.2
out of 10

Passi is city of the Philippines in the province of Iloilo.

Density
170/km²
people per km²
Founded
1766

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 Passi 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 27°C and 31°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12924
22924
32924
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 January really feels in Passi

Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Passi weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°12118.611.44.2
Feb30° / 24°9614.411.64.4
Mar31° / 25°9015.211.94.0
Apr33° / 25°7213.212.23.5
May33° / 26°13122.812.52.6
Jun32° / 25°18926.612.62.4
Jul31° / 25°25027.912.62.5
Aug31° / 25°20427.212.42.6
Sep31° / 25°23927.512.12.5
Oct31° / 25°23527.511.82.6
Nov30° / 25°17724.911.53.0
Dec30° / 25°20824.911.43.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23268
33367
43466
53367
63367
73367
83367
93367
103367
113268
123268
133268
143268
153268
163367
173367
183466
193466
203565
213565
223664
233763
243862
253862
263961
273961
284060
294060
304060
314060

Chance of precipitation in January

Any precipitation

Passi gets around 121 mm of rain over 18.6 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 61% and peaks near 67% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
167
267
366
466
566
665
765
864
964
1063
1163
1262
1362
1462
1561
1661
1760
1860
1959
2059
2158
2258
2357
2457
2557
2657
2757
2857
2956
3056
3156

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 56% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
133958
234156
334354
424454
524652
624850
725048
825246
925345
1015643
1115742
1215841
1325840
1425840
1525939
1625939
1726038
1826038
1926038
2035938
2135938
2236037
2336037
2436037
2536136
2636136
2736136
2836136
2936136
3036235
3136235

Wind in January

Winds average 17 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 17 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 24 min at the start of January to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over January. Sunrise moves from 6:12 AM to 6:17 AM, and sunset from 5:33 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:125:33
211.46:125:34
311.46:135:34
411.46:135:35
511.46:135:35
611.46:145:36
711.46:145:37
811.46:145:37
911.46:155:38
1011.46:155:38
1111.46:155:39
1211.46:155:39
1311.46:165:40
1411.46:165:40
1511.46:165:41
1611.46:165:41
1711.46:165:42
1811.46:175:42
1911.46:175:43
2011.46:175:43
2111.46:175:44
2211.46:175:44
2311.56:175:45
2411.56:175:45
2511.56:175:45
2611.56:175:46
2711.56:185:46
2811.56:185:47
2911.56:185:47
3011.56:185:48
3111.56:175:48

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.34 kWh/m².

For context, solar energy here swings from a low near 3.97 kWh/m² to a high of 6.17 kWh/m² in April across the year — January's 4.34 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.4Bright
224.4Bright
234.4Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in January

Hazard calendar for Passi

In seasonPeak

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

Passi 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 January a good time to visit Passi?

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

4.2
Sightseeing
2nd-best month of the year
5.5
Beach & pool
4th-best month of the year

January is a reasonable time to visit Passi for sightseeing.

What to pack for Passi in January

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

In January, Passi sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. About 19 days see rain.

light clothesrain gear

Sea temperature near Passi in January

The nearest coast averages about 27°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 36 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
Jul30Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Passi in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Passi peaks around April 9 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 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 highApr 9UV 14Dec 11UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct11Extreme
Nov10Very high
Dec9Very high

Air quality in Passi 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 Passi is worst in September — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateSep 1717 µg/m³Feb 1912 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Good
Mar12Good
Apr13Moderate
May15Moderate
Jun15Moderate
Jul16Moderate
Aug16Moderate
Sep17Moderate
Oct16Moderate
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Passi?

Passi sits at 11.1°N, 122.6°E, 42 m above sea level, in Philippines. The nearest listed city is Enrique B. Magalona, 45 km away.

Topography around Passi

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

Within 3 km, the terrain around Passi has only modest variations in elevation — a maximum elevation change of 161 m around an average of 53 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 570 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,035 m.

The land around Passi is covered by trees (57%) and cropland (23%) within 3 km, trees (73%) within 16 km, and trees (47%) and water (38%) within 80 km.

3 km
161 m
16 km
570 m
80 km
2,035 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Enrique B. Magalona 45 km · Iloilo 46 km · Victorias 52 km · Binonga 53 km · Talisay 54 km · Roxas City 54 km · Manapla 55 km · Bacolod City 59 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 Passi (11.1078°, 122.6419°, elevation 42 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).