Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
December verdict
Phetchaburi, Thailand in December
Weather score88Excellent
Excellent for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 8.5h per day, so bright days are a strong part of the month. Rainfall averages 13mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
30°C
Rain
13mm
Sun
8.5h
Sea
28°C
Weather score
88
Excellent
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 13mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.5h per day, so bright days are a strong part of the month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Phetchaburi, Thailand with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December30°C average high
December is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsMarch to September
This stretch sets the upper range for average daytime heat.
Rain
December13mm average rain
December is one of Phetchaburi's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to April and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December8.5 hours average sun
December is one of Phetchaburi's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJanuary to April and December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December28°C average sea
December is below Phetchaburi's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaApril to October
Sea temperatures are usually near 30°C in this stretch, so swimming comfort is at its strongest.
Weather score
December88 weather score
December is one of Phetchaburi's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJanuary to March and December
These months have the strongest weather score in the monthly averages.
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