Lahewa weather in January

In January, Lahewa sees average daytime highs of 28°C and overnight lows near 26°C, with 228 mm of rain across 23.6 wet days and about 11.9 hours of daylight. It is the 7th-warmest and 10th-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 9% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of January to 11 h 54 min by month's end. Set against the rest of the year, January is Lahewa's 4th-clearest and 11th-windiest month. For the whole year in context, see Lahewa's year-round climate.

Daytime high
28°
7th warmest
Overnight low
26°
6th coldest
Rainfall
228 mm
23.6 wet days
Daylight
11 h 54 min
6:43 AM – 6:38 PM
Cloud cover
80%
4th clearest
Wind
8 km/h
11th windiest
Solar energy
5.22 kWh/m²
Travel score
4.0
out of 10

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 Lahewa reaches about 28°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 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)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142826
152826
162826
172826
182826
192826
202826
212826
222826
232826
242826
252826
262826
272826
282826
292826
302826
312826

How January really feels in Lahewa

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.

Lahewa weather by month

How January compares with the rest of the year at a glance. January is the 7th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 26°22823.611.94.0
Feb28° / 26°18519.3124.1
Mar29° / 26°24525.6123.6
Apr28° / 26°28225.9123.4
May29° / 27°23720.912.14.0
Jun29° / 27°19917.312.14.4
Jul28° / 26°24519.312.14.4
Aug28° / 26°29322.5124.1
Sep28° / 26°29823.1124.1
Oct28° / 26°40725.9123.8
Nov27° / 26°48527.411.93.5
Dec28° / 26°35026.611.93.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11585
21585
31882
41882
51882
61882
71981
82080
92080
102080
112080
122080
131981
141882
151882
161882
171882
181882
191882
201783
211783
221981
231981
242080
252080
262080
272179
282179
292278
302278
312278

Chance of precipitation in January

Any precipitation

Lahewa gets around 228 mm of rain over 23.6 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 76% and peaks near 79% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
177
276
375
475
574
674
774
874
975
1075
1176
1276
1377
1478
1578
1679
1779
1879
1979
2079
2179
2279
2378
2477
2577
2676
2775
2874
2974
3073
3173

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 86% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
18812
28812
38812
48812
58812
68812
78812
88812
98812
108812
118812
128713
138713
148713
158713
168614
178614
188614
198515
208515
218515
228515
238515
248515
258515
268515
278515
288515
298515
308515
318515

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 8 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
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 54 min at the start of January to 11 h 54 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 6:37 AM to 6:46 AM, and sunset from 6:32 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:376:32
211.96:376:33
311.96:386:33
411.96:386:33
511.96:396:34
611.96:396:34
711.96:396:35
811.96:406:35
911.96:406:36
1011.96:416:36
1111.96:416:36
1211.96:416:37
1311.96:426:37
1411.96:426:38
1511.96:426:38
1611.96:436:38
1711.96:436:39
1811.96:436:39
1911.96:446:40
2011.96:446:40
2111.96:446:40
2211.96:456:40
2311.96:456:41
2411.96:456:41
2511.96:456:41
2611.96:466:42
2711.96:466:42
2811.96:466:42
2911.96:466:42
3011.96:466:43
3111.96:466:43

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.22 kWh/m².

For context, solar energy here swings from a low near 4.15 kWh/m² to a high of 5.6 kWh/m² in February across the year — January's 5.22 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in January

Is January a good time to visit Lahewa?

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

4.0
Sightseeing
6th-best month of the year
4.6
Beach & pool
6th-best month of the year

January is a reasonable time to visit Lahewa for sightseeing.

What to pack for Lahewa in January

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

In January, Lahewa sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Lahewa 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 30°C and coldest in November near 29°C.

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

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb30Tropical
Mar30Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Lahewa in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lahewa peaks around February 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 14Jul 11UV 11
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Lahewa?

Lahewa sits at 1.4°N, 97.2°E, 5 m above sea level, in Indonesia. The nearest listed city is Gunungsitoli, 51 km away.

Topography around Lahewa

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

Within 3 km, the terrain around Lahewa has only modest variations in elevation — a maximum elevation change of 76 m around an average of 31 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 177 m; within 80 km, large variations in elevation — a maximum elevation change of 842 m.

The land around Lahewa is covered by trees (81%) within 3 km, water (68%) and trees (30%) within 16 km, and water (80%) and trees (20%) within 80 km.

3 km
76 m
16 km
177 m
80 km
842 m
treesgrasslandartificial surfaceswatermangroves
January weather nearby: Gunungsitoli 51 km · Teluk Dalam 116 km · Singkil 121 km · Barus 153 km · Subulussalam 162 km · Sibolga 183 km · Sidikalang 197 km · Tarutung 211 km

Indonesia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,060
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
0.3
per 100k, 2022
Road deaths
11.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 471
Religion
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 2%

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 Lahewa (1.3943°, 97.1675°, elevation 5 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. 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).