Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Weather Guide
Ko Ngai, Thailand Average Monthly Weather
Weather score61Good annual avg
Best months: February, January, March
Across the year, average daytime temperatures are around 32°C, sunshine averages 6.8h per day, and rainfall totals about 2299mm. Sea temperatures average 30°C across the year.
Annual weather
Annual averages
Temp
32°C
Rain
2299mm
Annual total
Sun
6.8h
Sea
30°C
Weather score
61
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 259mm, so showers are a real planning factor.
Some sun
Sunshine averages 6h per day, enough for a balanced month.
Warm sea
Sea temperatures average 30°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Ko Ngai, Thailand with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August31°C average high
August is on the cooler side of Ko Ngai's year, useful if you prefer less intense daytime heat.
Warmest monthsFebruary to April
This stretch sets the upper range for average daytime heat.
Rain
August259mm average rain
August is wetter than Ko Ngai's yearly average, so flexible plans matter more.
Driest monthsJanuary to April and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August6 hours average sun
August is below Ko Ngai's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to March
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August30°C average sea
August is close to Ko Ngai's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaMarch to September
Sea temperatures are usually near 30°C in this stretch, so swimming comfort is at its strongest.
Weather score
August52 weather score
August is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to March
These months have the strongest weather score in the monthly averages.
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