Climate averages 1991–2020

Rayong weather
in March.

A hot, moderately wet month: the 2nd warmest and the 5th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 31.0°C Daytime mean, March
Average low 25.3°C Night-time mean, March
Rainfall 81 mm 14 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Rayong · average highYear overview

March is a hot month in Rayong: daytime highs average 31.0°C and nights cool to about 25.3°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 81 mm of rain on roughly 14 days, which makes March a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 03 min on an average March day.

The nearest other city in this atlas is Pattaya (49 km away). In March its highs average 31.7°C, 0.6°C warmer than Rayong, with 63 mm of rain.

Among the 46 cities listed in Thailand, Rayong ranks 42nd of 46 for the warmest March highs and 40th of 46 for the driest March (rainfall, lowest first). The mean March high of those 46 cities is 33.1°C; Rayong is 2.1°C cooler than that mean.

From March to April, average highs rise by 0.4°C to 31.4°C, and monthly rainfall rises from 81 mm to 133 mm.

The annual picture

March in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 20253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 3500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Rayong climate table

1991–2020
Monthly climate averages for Rayong, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 30.4°C22.9°C22.9°C285.911.511 h
February 30.7°C23.9°C23.9°C326.911.712 h
March, selected 31.0°C25.3°C25.3°C8114.212.112 h
April 31.4°C26.2°C26.2°C13318.912.412 h
May 30.7°C26.2°C26.2°C22024.912.713 h
June 30.0°C26.1°C26.1°C21024.512.913 h
July 29.7°C25.9°C25.9°C20624.912.813 h
August 29.6°C25.7°C25.7°C19624.912.513 h
September 29.4°C25.1°C25.1°C30026.412.212 h
October 29.5°C24.4°C24.4°C25623.211.912 h
November 30.2°C24.0°C24.0°C598.511.612 h
December 30.3°C23.0°C23.0°C173.311.411 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

March in nearby cities

Distance from Rayong

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Rayong) is explained once on the Rayong year overview and on the Sources, method and limits page.