Glan weather in January

In January, Glan sees average daytime highs of 28°C and overnight lows near 25°C, with 154 mm of rain across 17.7 wet days and about 11.7 hours of daylight. It is the 7th-warmest and 7th-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 15% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of January to 11 h 42 min by month's end. Set against the rest of the year, January is Glan's 4th-clearest and 7th-windiest month. For the whole year in context, see Glan's year-round climate.

Daytime high
28°
7th warmest
Overnight low
25°
4th coldest
Rainfall
154 mm
17.7 wet days
Daylight
11 h 42 min
5:58 AM – 5:39 PM
Cloud cover
75%
4th clearest
Wind
8 km/h
7th windiest
Solar energy
5.01 kWh/m²
Travel score
4.7
out of 10

Glan is municipality of the Philippines in the province of Sarangani.

Density
40/km²
people per km²
Founded
1914

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 28°C through the month.

A typical January day in Glan reaches about 28°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, January runs on par with December and on par with February.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
52825
62825
72825
82825
92825
102825
112825
122825
132825
142825
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825
312825

How January really feels in Glan

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.

Glan weather by month

How January compares with the rest of the year at a glance. January is the 7th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°15417.711.74.7
Feb28° / 25°10013.811.84.9
Mar29° / 25°9615.8124.8
Apr29° / 26°1031612.14.6
May29° / 26°16623.112.33.9
Jun28° / 25°21925.712.33.7
Jul28° / 25°20326.312.33.9
Aug28° / 25°18124.912.24.1
Sep28° / 25°11820.4124.5
Oct28° / 25°1612211.94.1
Nov28° / 26°1622311.73.9
Dec28° / 25°14321.311.74.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22575
32575
42674
52674
62674
72674
82674
92674
102674
112575
122575
132575
142575
152476
162476
172575
182575
192575
202674
212674
222773
232773
242872
253070
263070
273169
283169
293169
303268
313268

Chance of precipitation in January

Any precipitation

Glan gets around 154 mm of rain over 17.7 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 57% and peaks near 63% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
163
263
362
462
562
661
761
860
960
1059
1159
1258
1358
1458
1557
1657
1757
1857
1956
2056
2155
2255
2355
2454
2554
2654
2753
2853
2953
3053
3152

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 91% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
128315
228414
328513
428612
528711
628810
728810
81909
91909
101909
111909
121918
131918
141918
151918
161927
171927
181927
191927
201927
211927
221936
231936
241936
251945
261945
271945
281945
291945
301945
311945

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 42 min at the start of January to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over January. Sunrise moves from 5:52 AM to 6:00 AM, and sunset from 5:32 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:525:32
211.75:535:33
311.75:535:33
411.75:545:34
511.75:545:34
611.75:545:35
711.75:555:35
811.75:555:36
911.75:555:36
1011.75:565:37
1111.75:565:37
1211.75:565:38
1311.75:575:38
1411.75:575:38
1511.75:575:39
1611.75:585:39
1711.75:585:40
1811.75:585:40
1911.75:585:41
2011.75:595:41
2111.75:595:41
2211.75:595:42
2311.75:595:42
2411.75:595:43
2511.76:005:43
2611.76:005:43
2711.76:005:44
2811.76:005:44
2911.76:005:44
3011.76:005:45
3111.76:005:45

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.01 kWh/m².

For context, solar energy here swings from a low near 4.81 kWh/m² to a high of 6.01 kWh/m² in April across the year — January's 5.01 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in January

Hazard calendar for Glan

In seasonPeak

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

Glan 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 Glan?

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

4.7
Sightseeing
3rd-best month of the year
5.5
Beach & pool
4th-best month of the year

January is a reasonable time to visit Glan for sightseeing.

What to pack for Glan in January

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

In January, Glan sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Glan in January

The nearest coast averages about 29°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in May at about 29°C and coldest in January near 29°C.

The water stays above 20°C all year — warm enough for a swim any month.

28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Glan in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Glan peaks around March 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 18UV 15Dec 13UV 11
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec10Extreme
Location & terrain

Where is Glan?

Glan sits at 5.8°N, 125.2°E, 9 m above sea level, in Philippines. The nearest listed city is Malapatan, 19 km away.

Topography around Glan

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

Within 3 km, the terrain around Glan has significant variations in elevation — a maximum elevation change of 288 m around an average of 47 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 668 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,255 m.

The land around Glan is covered by trees (65%) and water (27%) within 3 km, water (60%) and trees (37%) within 16 km, and water (51%) and trees (42%) within 80 km.

3 km
288 m
16 km
668 m
80 km
2,255 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Malapatan 19 km · General Santos 32 km · Alabel 32 km · Polomolok 47 km · Maluñgun 51 km · Tupi 63 km · Lake Sebu 70 km · Lambayong 79 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 Glan (5.8242°, 125.2033°, elevation 9 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).