Ko Tao weather in March

In March, Ko Tao sees average daytime highs of 28°C and overnight lows near 27°C, with 87 mm of rain across 8.4 wet days and about 11.9 hours of daylight. It is the 6th-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 50% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is Ko Tao's 2nd-clearest and 10th-windiest month. For the whole year in context, see Ko Tao's year-round climate.

Daytime high
28°
6th warmest
Overnight low
27°
9th coldest
Rainfall
87 mm
8.4 wet days
Daylight
11 h 54 min
6:32 AM – 6:28 PM
Cloud cover
45%
2nd clearest
Wind
15 km/h
10th windiest
Solar energy
6.31 kWh/m²
Travel score
6.3
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical March day in Ko Tao reaches about 28°C in the afternoon and slips back to 27°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 29°C. Set against its neighbours, March runs about 1°C warmer than February and about 1°C cooler than April.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12827
22827
32827
42827
52827
62827
72827
82827
92827
102827
112827
122827
132827
142827
152827
162827
172827
182827
192827
202927
212927
222927
232927
242927
252927
262927
272927
282927
292927
302927
312927

How March really feels in Ko Tao

Once humidity and wind are folded in, March averages 18 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
18
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Ko Tao weather by month

How March compares with the rest of the year at a glance. March is the 6th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 26°728.211.56.9
Feb28° / 27°304.411.77.4
Mar28° / 27°878.411.96.3
Apr29° / 28°9712.712.25.1
May29° / 28°15022.312.53.7
Jun29° / 27°12720.412.63.8
Jul29° / 27°11520.112.54.0
Aug29° / 27°12119.612.34.2
Sep28° / 27°1682312.13.8
Oct28° / 26°29025.211.84.0
Nov28° / 26°25619.111.54.8
Dec27° / 26°1221111.46.2

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 19% of March, with mostly cloudy or overcast conditions the remaining 32%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37327
47327
57327
67327
77426
87426
97426
107426
117327
127327
137228
147030
157030
166931
176832
186733
196634
206535
216436
226436
236436
246337
256337
266337
276238
286238
296238
306238
316139

Chance of precipitation in March

Any precipitation

Ko Tao gets around 87 mm of rain over 8.4 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 39% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
117
217
318
418
518
619
719
819
919
1020
1120
1221
1321
1423
1524
1625
1726
1828
1929
2031
2132
2233
2335
2436
2537
2638
2738
2839
2939
3039
3138

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the oppressive band about 66% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
118811
218712
318613
418514
518415
618316
718217
818118
917920
1017821
1117623
1217524
1317326
1407327
1507129
1607030
1706832
1806634
1906436
2006139
2105941
2205743
2305446
2405248
2504951
2604753
2704555
2804357
2904159
3003961
3103862

Wind in March

Winds average 15 km/h in March.

Across March, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3114light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 48 min at the start of March to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over March. Sunrise moves from 6:40 AM to 6:23 AM, and sunset from 6:28 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:406:28
211.86:406:28
311.86:396:28
411.86:396:28
511.86:386:28
611.86:386:28
711.86:376:28
811.96:376:28
911.96:366:28
1011.96:366:28
1111.96:356:28
1211.96:356:28
1311.96:346:28
1411.96:346:28
1511.96:336:28
1611.96:326:28
1711.96:326:28
1811.96:316:28
1912.06:316:28
2012.06:306:28
2112.06:296:28
2212.06:296:28
2312.06:286:28
2412.06:286:28
2512.06:276:28
2612.06:266:28
2712.06:266:28
2812.06:256:28
2912.16:256:28
3012.16:246:28
3112.16:236:28

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 6.31 kWh/m².

For context, solar energy here swings from a low near 4.51 kWh/m² to a high of 6.4 kWh/m² in April across the year — March's 6.31 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in March

Hazard calendar for Ko Tao

In seasonPeak

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

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

Ko Tao's rainy season runs September–November, when most of the year's rain falls.

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

Is March a good time to visit Ko Tao?

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

6.3
Sightseeing
3rd-best month of the year
7.4
Beach & pool
2nd-best month of the year

March is a reasonable time to visit Ko Tao for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Ko Tao in March

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

In March, Ko Tao sees daytime highs around 28°C and nights near 27°C. Pack light clothes and sun protection. Worth having: rain gear. About 8 days see rain.

light clothessun protectionrain gear

Sea temperature near Ko Tao in March

The nearest coast averages about 29°C in March — 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 January near 28°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
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Ko Tao in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March 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 Ko Tao peaks around August 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 highAug 20UV 14Dec 20UV 9
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov10Extreme
Dec9Very high

Air quality in Ko Tao in March

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Ko Tao is worst in January — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJan 2016 µg/m³Nov 1110 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb15Moderate
Mar13Moderate
Apr14Moderate
May13Moderate
Jun14Moderate
Jul15Moderate
Aug12Good
Sep12Good
Oct11Good
Nov10Good
Dec12Moderate
Location & terrain

Where is Ko Tao?

Ko Tao sits at 10.1°N, 99.8°E, 0 m above sea level, in Thailand. The nearest listed city is Ko Pha-ngan, 43 km away.

Surat ThaniTha KhamBang SaphanRanong

Topography around Ko Tao

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

Within 3 km, the terrain around Ko Tao has significant variations in elevation — a maximum elevation change of 368 m around an average of 60 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 368 m; within 80 km, large variations in elevation — a maximum elevation change of 621 m.

The land around Ko Tao is covered by water (49%) and trees (47%) within 3 km, water (98%) within 16 km, and water (95%) within 80 km.

3 km
368 m
16 km
368 m
80 km
621 m
treesartificial surfaceswater
March weather nearby: Ko Pha-ngan 43 km · Ko Samui 63 km · Lang Suan 85 km · Chumphon 85 km · Surat Thani 119 km · Tha Kham 128 km · Bang Saphan 130 km · Ranong 132 km

Thailand travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C
230 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$8,057
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
4.8
per 100k, 2011
Road deaths
32.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 402
Religion
Buddhist 93%Muslim 5%Christian 1%other 1%

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 Ko Tao (10.0917°, 99.8377°, elevation 0 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).