Ambalantota weather in January

In January, Ambalantota sees average daytime highs of 28°C and overnight lows near 25°C, with 56 mm of rain across 8.6 wet days and about 11.7 hours of daylight. It is the 7th-warmest and 9th-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 34% 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 Ambalantota's 3rd-clearest and 6th-windiest month. For the whole year in context, see Ambalantota's year-round climate.

Daytime high
28°
7th warmest
Overnight low
25°
1st coldest
Rainfall
56 mm
8.6 wet days
Daylight
11 h 42 min
6:25 AM – 6:06 PM
Cloud cover
58%
3rd clearest
Wind
21 km/h
6th windiest
Solar energy
5.45 kWh/m²
Travel score
6.6
out of 10

Ambalantota is town in Southern Province, Sri Lanka.

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 Ambalantota 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)
12725
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 Ambalantota

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.

Ambalantota weather by month

How January compares with the rest of the year at a glance. January is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°568.611.76.6
Feb28° / 25°427.911.86.5
Mar28° / 26°5811.3125.8
Apr29° / 27°11018.812.14.5
May29° / 26°10118.612.34.5
Jun28° / 26°6014.712.35.0
Jul28° / 26°4513.112.35.6
Aug28° / 26°521312.25.7
Sep28° / 26°8716.8125.2
Oct28° / 26°14120.211.94.8
Nov28° / 25°23123.211.74.3
Dec27° / 25°15316.911.75.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% 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 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34555
44654
54654
64654
74654
84852
94852
104951
114951
125050
135149
145149
155149
165149
175248
185149
195149
205248
215149
225149
235149
245149
255149
265149
275050
285050
295149
305050
315149

Chance of precipitation in January

Any precipitation

Ambalantota gets around 56 mm of rain over 8.6 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 28% and peaks near 36% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
235
335
434
534
634
733
833
932
1031
1131
1230
1329
1428
1527
1626
1725
1824
1924
2023
2123
2222
2322
2422
2523
2623
2723
2823
2924
3024
3125

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 74% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1117802
2117802
3117802
4117811
5117811
6117811
7117811
8118801
9118801
10119791
11120781
12122761
13123751
14124741
15125731
16026731
17028711
18029701
19030691
20030691
21031681
22031681
23031672
24030682
25029692
26029692
27128692
28127711
29126721
30125731
31124741

Wind in January

Winds average 21 km/h in January.

Across January, daily wind ranges from about 19 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
520light breeze
620light breeze
720light breeze
820light breeze
920breezy
1020breezy
1120breezy
1220breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy
3121breezy

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 6:20 AM to 6:27 AM, and sunset from 5:59 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:205:59
211.76:205:59
311.76:206:00
411.76:216:00
511.76:216:01
611.76:226:01
711.76:226:01
811.76:226:02
911.76:236:02
1011.76:236:03
1111.76:236:03
1211.76:246:04
1311.76:246:04
1411.76:246:05
1511.76:256:05
1611.76:256:06
1711.76:256:06
1811.76:256:06
1911.76:266:07
2011.76:266:07
2111.76:266:08
2211.76:266:08
2311.76:266:08
2411.76:276:09
2511.76:276:09
2611.76:276:10
2711.76:276:10
2811.76:276:10
2911.76:276:11
3011.76:276:11
3111.76:276:11

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.45 kWh/m².

For context, solar energy here swings from a low near 4.79 kWh/m² to a high of 6.46 kWh/m² in March across the year — January's 5.45 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.4Bright
135.4Bright
145.4Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.8Bright
Planning a trip in January

Hazard calendar for Ambalantota

In seasonPeak

None of Ambalantota's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Ambalantota sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Ambalantota's rainy season runs October–December, when most of the year's rain falls.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Ambalantota?

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

6.6
Sightseeing
1st-best month of the year
7.0
Beach & pool
2nd-best month of the year

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

What to pack for Ambalantota in January

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

In January, Ambalantota sees daytime highs around 28°C and nights near 25°C. Pack light clothes. Worth having: rain gear, sun protection and a windbreaker. About 9 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near Ambalantota 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 offshore is warmest in April at about 29°C and coldest in August 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
Feb28Warm
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Warm
Jul28Warm
Aug27Warm
Sep28Warm
Oct28Tropical
Nov29Tropical
Dec28Warm

UV index in Ambalantota 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 Ambalantota peaks around April 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeApr 16UV 14Dec 19UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec10Extreme

Air quality in Ambalantota 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 Ambalantota is worst in November — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateNov 2121 µg/m³Sep 1416 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb19Moderate
Mar20Moderate
Apr20Moderate
May20Moderate
Jun17Moderate
Jul17Moderate
Aug17Moderate
Sep16Moderate
Oct18Moderate
Nov21Moderate
Dec20Moderate
Location & terrain

Where is Ambalantota?

Ambalantota sits at 6.1°N, 81.0°E, 7 m above sea level, in Sri Lanka. The nearest listed city is Hambantota, 11 km away.

BeliattaKataragamaDevinuwaraMataraMirissaWeligamaElla

Topography around Ambalantota

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

Within 3 km, the terrain around Ambalantota has only modest variations in elevation — a maximum elevation change of 23 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 108 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,322 m.

The land around Ambalantota is covered by cropland (38%), trees (35%) and water (21%) within 3 km, water (43%) and trees (32%) within 16 km, and trees (57%) and water (33%) within 80 km.

3 km
23 m
16 km
108 m
80 km
2,322 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Hambantota 11 km · Beliatta 33 km · Kataragama 48 km · Devinuwara 52 km · Matara 57 km · Mirissa 65 km · Weligama 67 km · Ella 84 km

Sri Lanka travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G / M
230 V · 50 Hz
Prices
≈ 27% of US
price level, 2025
GDP per capita
$5,002
2025
Happiness
4.0 / 10
World Happiness, 2025
Safe drinking water
47%
of population, 2024
Homicide rate
3.3
per 100k, 2019
Road deaths
19.7
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 486
Religion
Buddhist 70%Hindu 13%Muslim 10%Roman Catholic 6%

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 Ambalantota (6.1196°, 81.0214°, elevation 7 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).