Climate Insights for Ban Chang

Amphoe Ban Chang, Changwat Rayong, Thailand

Hottest
May
33°C peak
Coldest
December
24°C low
Wettest
October
221mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Ban Chang is hot. The average annual temperature is 29°C and approximately 1107mm of precipitation falls per year. October is the wettest month, receiving around 221mm of rainfall. Ban Chang is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, June. The coldest months are December, January, February, when temperatures can drop to 24°C.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 31° Average: 27° Min: 24° Feb Max: 31° Average: 28° Min: 25° Mar Max: 32° Average: 29° Min: 27° Apr Max: 33° Average: 30° Min: 28° May Max: 33° Average: 30° Min: 28° Jun Max: 32° Average: 30° Min: 28° Jul Max: 32° Average: 29° Min: 27° Aug Max: 32° Average: 29° Min: 27° Sep Max: 31° Average: 29° Min: 27° Oct Max: 31° Average: 28° Min: 26° Nov Max: 31° Average: 28° Min: 25° Dec Max: 31° Average: 27° Min: 24°
Max
Average
Min

Ban Chang has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is May, when average highs reach 33°C and the mean temperature sits around 30°C. December is the coolest month, with minimum temperatures around 24°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 34mm Feb Precipitation: 25mm Mar Precipitation: 33mm Apr Precipitation: 53mm May Precipitation: 109mm Jun Precipitation: 94mm Jul Precipitation: 125mm Aug Precipitation: 106mm Sep Precipitation: 209mm Oct Precipitation: 221mm Nov Precipitation: 73mm Dec Precipitation: 24mm
Precipitation

Ban Chang is a moderately rainy area, receiving approximately 1107mm of precipitation annually, which averages out to around 92mm per month. The wettest month is October, averaging 221mm of rainfall. September and July also tend to see above-average precipitation. The driest month is December, with just 24mm. That's 197mm less than October, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 15km/h Feb Wind Speed: 16km/h Mar Wind Speed: 16km/h Apr Wind Speed: 15km/h May Wind Speed: 15km/h Jun Wind Speed: 18km/h Jul Wind Speed: 18km/h Aug Wind Speed: 18km/h Sep Wind Speed: 15km/h Oct Wind Speed: 13km/h Nov Wind Speed: 15km/h Dec Wind Speed: 17km/h
Wind Speed

Ban Chang is mildly breezy, with an average annual wind speed of 16km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

89 days until Summer

It is currently spring in Ban Chang, which began on March 20, 2026. Ban Chang is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in May at around 33°C, while the coldest stretch bottoms out in December near 24°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 27 to 33°C. Precipitation is moderate at around 195mm for the season, averaging 65mm per month. Winds are moderate at around 15km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 27 to 32°C. Rainfall is heavy, totalling around 325mm across the season with a monthly average of 108mm. Winds are moderate at around 18km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 25 to 31°C. Rainfall is heavy, totalling around 503mm across the season with a monthly average of 168mm. Winds are generally light, averaging 14km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 24 to 31°C. Rainfall is relatively light, with around 83mm over the season and a monthly average of 28mm. Winds are moderate at around 16km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Ban Chang based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
24 °C
31 °C
15 km/h
34 mm
0 cm
Feb
25 °C
31 °C
16 km/h
25 mm
0 cm
Mar Current
27 °C
32 °C
16 km/h
33 mm
0 cm
Apr
28 °C
33 °C
15 km/h
53 mm
0 cm
May
28 °C
33 °C
15 km/h
109 mm
0 cm
Jun
28 °C
32 °C
18 km/h
94 mm
0 cm
Jul
27 °C
32 °C
18 km/h
125 mm
0 cm
Aug
27 °C
32 °C
18 km/h
106 mm
0 cm
Sep
27 °C
31 °C
15 km/h
209 mm
0 cm
Oct
26 °C
31 °C
13 km/h
221 mm
0 cm
Nov
25 °C
31 °C
15 km/h
73 mm
0 cm
Dec
24 °C
31 °C
17 km/h
24 mm
0 cm
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Metric (°C, km/h)