Climate averages 1991–2020

Nakhon Si Thammarat weather
in April.

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

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

Average high 31.2°C Daytime mean, April
Average low 24.5°C Night-time mean, April
Rainfall 120 mm 17 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Nakhon Si Thammarat · average highYear overview

April is a hot month in Nakhon Si Thammarat: daytime highs average 31.2°C and nights cool to about 24.5°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 120 mm of rain on roughly 17 days, which makes April a wet month (the joint 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 18 min on an average April day.

The nearest other city in this atlas is Surat Thani (105 km away). In April its highs average 33.4°C, 2.2°C warmer than Nakhon Si Thammarat, with 114 mm of rain.

Among the 46 cities listed in Thailand, Nakhon Si Thammarat ranks 43rd of 46 for the warmest April highs and 40th of 46 for the driest April (rainfall, lowest first). The mean April high of those 46 cities is 33.9°C; Nakhon Si Thammarat is 2.7°C cooler than that mean.

From April to May, average highs rise by 0.1°C to 31.3°C, and monthly rainfall rises from 120 mm to 123 mm.

The annual picture

April 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 4000

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

Every month, side by side

Nakhon Si Thammarat climate table

1991–2020
Monthly climate averages for Nakhon Si Thammarat, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 27.9°C22.6°C22.6°C12516.911.712 h
February 29.0°C22.8°C22.8°C599.911.912 h
March 30.3°C23.6°C23.6°C12013.712.112 h
April, selected 31.2°C24.5°C24.5°C12016.812.312 h
May 31.3°C24.7°C24.7°C12323.212.513 h
June 31.1°C24.4°C24.4°C9321.112.613 h
July 30.8°C24.2°C24.2°C9721.312.613 h
August 30.7°C24.0°C24.0°C11722.612.412 h
September 30.1°C23.8°C23.8°C14925.812.212 h
October 28.8°C23.6°C23.6°C27428.211.912 h
November 27.9°C23.5°C23.5°C35825.711.712 h
December 27.6°C23.0°C23.0°C25020.011.612 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

April in nearby cities

Distance from Nakhon Si Thammarat

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 Nakhon Si Thammarat) is explained once on the Nakhon Si Thammarat year overview and on the Sources, method and limits page.