Climate Insights for Waeng

Amphoe Phon Thong, Changwat Roi Et, Thailand

Hottest
April
36°C peak
Coldest
December
19°C low
Wettest
July
292mm rain
Best to Visit
January, December
Mild temps & low rain

Climate Overview

The climate in Waeng is hot. The average annual temperature is 28°C and approximately 1449mm of precipitation falls per year. July is the wettest month, receiving around 292mm of rainfall. Waeng is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, March, May. The coldest months are December, February, January, when temperatures can drop to 19°C.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 31° Average: 25° Min: 19° Feb Max: 32° Average: 25° Min: 19° Mar Max: 35° Average: 29° Min: 23° Apr Max: 36° Average: 30° Min: 25° May Max: 35° Average: 30° Min: 26° Jun Max: 34° Average: 29° Min: 26° Jul Max: 32° Average: 28° Min: 26° Aug Max: 32° Average: 28° Min: 26° Sep Max: 32° Average: 28° Min: 25° Oct Max: 32° Average: 27° Min: 24° Nov Max: 32° Average: 26° Min: 22° Dec Max: 30° Average: 24° Min: 19°
Max
Average
Min

Waeng sees moderate temperature variation throughout the year, ranging from 19°C to 36°C. April is the hottest month, with daytime highs reaching 36°C and an average of 30°C. December is the coolest month, with minimum temperatures around 19°C and an average of 24°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 3°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 9mm Feb Precipitation: 7mm Mar Precipitation: 32mm Apr Precipitation: 44mm May Precipitation: 168mm Jun Precipitation: 176mm Jul Precipitation: 292mm Aug Precipitation: 259mm Sep Precipitation: 271mm Oct Precipitation: 153mm Nov Precipitation: 28mm Dec Precipitation: 11mm
Precipitation

Waeng is a fairly wet location, receiving approximately 1449mm of precipitation annually, which averages out to around 121mm per month. The wettest month is July, averaging 292mm of rainfall. September and August also tend to see above-average precipitation. The driest month is February, with just 7mm. That's 284mm less than July, 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 3km/h Feb Wind Speed: 3km/h Mar Wind Speed: 3km/h Apr Wind Speed: 2km/h May Wind Speed: 2km/h Jun Wind Speed: 3km/h Jul Wind Speed: 3km/h Aug Wind Speed: 3km/h Sep Wind Speed: 2km/h Oct Wind Speed: 3km/h Nov Wind Speed: 4km/h Dec Wind Speed: 4km/h
Wind Speed

Waeng is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 2km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

Seasons

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

92 days until Autumn

It is currently summer in Waeng, which began on June 21, 2026. Waeng 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 April at around 36°C, while the coldest stretch bottoms out in December near 19°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

Spring

Temperatures range from 23 to 36°C. Precipitation is moderate at around 244mm for the season, averaging 81mm per month. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 26 to 34°C. Rainfall is heavy, totalling around 727mm across the season with a monthly average of 242mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 22 to 32°C. Rainfall is heavy, totalling around 451mm across the season with a monthly average of 150mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 19 to 32°C. Precipitation is minimal, with only around 28mm for the entire season. Winds are generally light, averaging 4km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 25°
Feb 25°
Mar 29°
Apr 30°
May 30°
Jun 29°
Jul 28°
Aug 28°
Sep 28°
Oct 27°
Nov 26°
Dec 24°

The best time to visit Waeng is during January and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 10mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 36°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

Monthly Climate Data

The table below shows monthly climate averages for Waeng 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
19 °C
31 °C
3 km/h
9 mm
0 cm
Feb
19 °C
32 °C
3 km/h
7 mm
0 cm
Mar
23 °C
35 °C
3 km/h
32 mm
0 cm
Apr
25 °C
36 °C
2 km/h
44 mm
0 cm
May
26 °C
35 °C
2 km/h
168 mm
0 cm
Jun Current
26 °C
34 °C
3 km/h
176 mm
0 cm
Jul
26 °C
32 °C
3 km/h
292 mm
0 cm
Aug
26 °C
32 °C
3 km/h
259 mm
0 cm
Sep
25 °C
32 °C
2 km/h
271 mm
0 cm
Oct
24 °C
32 °C
3 km/h
153 mm
0 cm
Nov
22 °C
32 °C
4 km/h
28 mm
0 cm
Dec
19 °C
30 °C
4 km/h
11 mm
0 cm
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