Climate · Thailand

Ko Yao

Warm all year, wet from April to November and drier from January to February.

Typical weather, averaged over 30 years8.1°N30 m above the sea
  1. Jan81°27°Rain on about three days a week.
  2. Feb82°28°Rain on about two days a week.
  3. Mar83°28°Rain on about three days a week.
  4. Apr83°28°Rain on about five days a week.
  5. May83°28°Rain on about six days a week.
  6. Jun82°28°Rain on about six days a week.
  7. Jul82°28°Rain on about six days a week.
  8. Aug81°27°Rain on about six days a week.
  9. Sep81°27°Rain on about six days a week.
  10. Oct81°27°Rain on almost every day.
  11. Nov81°27°Rain on about six days a week.
  12. Dec80°27°Rain on about four days a week.
Each month: its typical temperature, and dots for wet days a week. Tap a month to open it.The best months

The temperature hardly moves: a typical day sits between 80°F and 83°F all year. The rain comes from April to November, on about six days a week. January to February is the driest stretch, with rain on about two days a week. Daylight stays near 12 hours all year.The temperature hardly moves: a typical day sits between 27°C and 28°C all year. The rain comes from April to November, on about six days a week. January to February is the driest stretch, with rain on about two days a week. Daylight stays near 12 hours all year.

Where Ko Yao sits

Asia/Bangkok

this place
typical high in Januarytypical high in Februarytypical high in Marchtypical high in Apriltypical high in Maytypical high in Junetypical high in Julytypical high in Augusttypical high in Septembertypical high in Octobertypical high in Novembertypical high in December 40°F4°C95°F35°C
Latitude
8.1°Nnorthern hemisphere
Above the sea
30 mlow-lying
Sunrise, mid-JanuarySunrise, mid-FebruarySunrise, mid-MarchSunrise, mid-AprilSunrise, mid-MaySunrise, mid-JuneSunrise, mid-JulySunrise, mid-AugustSunrise, mid-SeptemberSunrise, mid-OctoberSunrise, mid-NovemberSunrise, mid-December
6:43 AM6:44 AM6:33 AM6:17 AM6:07 AM6:08 AM6:15 AM6:19 AM6:16 AM6:13 AM6:18 AM6:31 AMsets 6:25 PMsets 6:36 PMsets 6:37 PMsets 6:35 PMsets 6:36 PMsets 6:43 PMsets 6:48 PMsets 6:42 PMsets 6:26 PMsets 6:10 PMsets 6:03 PMsets 6:10 PM
Nearest of ours
Phuket34 km south-west

The land around Ko Yao, shaded by its typical high in January, the planning map's own layer.The land around Ko Yao, shaded by its typical high in February, the planning map's own layer.The land around Ko Yao, shaded by its typical high in March, the planning map's own layer.The land around Ko Yao, shaded by its typical high in April, the planning map's own layer.The land around Ko Yao, shaded by its typical high in May, the planning map's own layer.The land around Ko Yao, shaded by its typical high in June, the planning map's own layer.The land around Ko Yao, shaded by its typical high in July, the planning map's own layer.The land around Ko Yao, shaded by its typical high in August, the planning map's own layer.The land around Ko Yao, shaded by its typical high in September, the planning map's own layer.The land around Ko Yao, shaded by its typical high in October, the planning map's own layer.The land around Ko Yao, shaded by its typical high in November, the planning map's own layer.The land around Ko Yao, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Through the year

week by week

Temperature

One typical temperature, from 80°F to 83°F through the year.One typical temperature, from 27°C to 28°C through the year.

Chance of a wet day

Wettest in October (95% of days), driest in February (27%).

Cloud cover

Clearest in February (63% cover), cloudiest in May (80%).

Daylight

About 12 hours all year, as near the equator.

Week by week, lightly smoothed. Shading marks the seasons; the olive line, the best months. Hover or tap a week for its figures.

Month by month

°F°C

Ko Yao, month by month: the typical high and low, wet days a week, cloud cover and daylight.
MonthTypical temperatureWet days a weekCloudDaylight
JanuaryDry seasonAt its best
81°27°
3 days66%11h 42m
FebruaryDry seasonAt its best
82°28°
2 days63%11h 51m
March
83°28°
3 days67%12h 04m
AprilRainy season
83°28°
5 days77%12h 18m
MayRainy season
83°28°
6 days80%12h 29m
JuneRainy season
82°28°
6 days79%12h 35m
JulyRainy season
82°28°
6 days79%12h 32m
AugustRainy season
81°27°
6 days79%12h 22m
SeptemberRainy season
81°27°
6 days79%12h 09m
OctoberRainy season
81°27°
7 days79%11h 55m
NovemberRainy season
81°27°
6 days77%11h 45m
DecemberAt its best
80°27°
4 days70%11h 39m

When is the best time to visit Ko Yao?


The best months are December to February: around 81°F day and night, and rain on about three days a week.The best months are December to February: around 27°C day and night, and rain on about three days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

Questions


What is the warmest month in Ko Yao?

March and April, around 83°F day and night. The temperature changes little through the year.March and April, around 28°C day and night. The temperature changes little through the year.

When does it rain most in Ko Yao?

October, with rain on almost every day. February is the driest, with rain on about two days a week.

How long are the days in Ko Yao?

About 12 hours all year, as near the equator.

When are the skies clearest in Ko Yao?

February, when cloud covers about 63% of the sky on average. May is the cloudiest, at about 80%.

Places with a year like Ko Yao's

by their highs, lows and wet days

Their highs, lows, wet days and cloud run closest to Ko Yao's through the year, one place a country. “Six months apart”: their winter is Ko Yao's summer.

Elsewhere in Thailand

All of Thailand

Where to stay

1 in our collection

Typical weather, averaged over 30 years (1995–2024). Ko Yao sits on a grid square that is mostly sea, where the data hold only a daily average, so the page shows one typical temperature, not a high and a low. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.