Climate Insights for Ban Selaphum

Amphoe Selaphum, Changwat Roi Et, Thailand

Hottest
April
36°C peak
Coldest
January
18°C low
Wettest
September
301mm rain
Best to Visit
January, December
Mild temps & low rain

Climate Overview

The climate in Ban Selaphum is hot. The average annual temperature is 28°C and approximately 1399mm of precipitation falls per year. September is the wettest month, receiving around 301mm of rainfall. Ban Selaphum 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 January, December, February, when temperatures can drop to 18°C.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 31° Average: 24° Min: 18° Feb Max: 33° Average: 26° Min: 20° Mar Max: 35° Average: 29° Min: 24° Apr Max: 36° Average: 30° Min: 26° May Max: 35° Average: 30° Min: 26° Jun Max: 34° Average: 29° Min: 26° Jul Max: 32° Average: 29° 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: 27° Min: 22° Dec Max: 31° Average: 24° Min: 19°
Max
Average
Min

Ban Selaphum sees moderate temperature variation throughout the year, ranging from 18°C to 36°C. April is the hottest month, with daytime highs reaching 36°C and an average of 30°C. January is the coolest month, with minimum temperatures around 18°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 350mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 10mm Feb Precipitation: 10mm Mar Precipitation: 28mm Apr Precipitation: 49mm May Precipitation: 154mm Jun Precipitation: 165mm Jul Precipitation: 287mm Aug Precipitation: 215mm Sep Precipitation: 301mm Oct Precipitation: 150mm Nov Precipitation: 23mm Dec Precipitation: 6mm
Precipitation

Ban Selaphum is a fairly wet location, receiving approximately 1399mm of precipitation annually, which averages out to around 117mm per month. The wettest month is September, averaging 301mm of rainfall. July and August also tend to see above-average precipitation. The driest month is December, with just 6mm. That's 295mm less than September, 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: 17km/h Feb Wind Speed: 16km/h Mar Wind Speed: 14km/h Apr Wind Speed: 13km/h May Wind Speed: 12km/h Jun Wind Speed: 14km/h Jul Wind Speed: 14km/h Aug Wind Speed: 14km/h Sep Wind Speed: 11km/h Oct Wind Speed: 14km/h Nov Wind Speed: 17km/h Dec Wind Speed: 20km/h
Wind Speed

Ban Selaphum is mildly breezy, with an average annual wind speed of 15km/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 20km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 9km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 18km/h in winter, 13km/h in spring, 14km/h in summer, 14km/h in autumn.

Seasons

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

89 days until Summer

It is currently spring in Ban Selaphum, which began on March 20, 2026. Ban Selaphum 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 January near 18°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 24 to 36°C. Precipitation is moderate at around 231mm for the season, averaging 77mm per month. Winds are generally light, averaging 13km/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 667mm across the season with a monthly average of 222mm. Winds are generally light, averaging 14km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 22 to 32°C. Rainfall is heavy, totalling around 474mm across the season with a monthly average of 158mm. Winds are generally light, averaging 14km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 18 to 33°C. Precipitation is minimal, with only around 27mm for the entire season. Winds are moderate at around 18km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

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

The best time to visit Ban Selaphum is during January and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 8mm 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 Ban Selaphum 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
18 °C
31 °C
17 km/h
10 mm
0 cm
Feb
20 °C
33 °C
16 km/h
10 mm
0 cm
Mar Current
24 °C
35 °C
14 km/h
28 mm
0 cm
Apr
26 °C
36 °C
13 km/h
49 mm
0 cm
May
26 °C
35 °C
12 km/h
154 mm
0 cm
Jun
26 °C
34 °C
14 km/h
165 mm
0 cm
Jul
26 °C
32 °C
14 km/h
287 mm
0 cm
Aug
26 °C
32 °C
14 km/h
215 mm
0 cm
Sep
25 °C
32 °C
11 km/h
301 mm
0 cm
Oct
24 °C
32 °C
14 km/h
150 mm
0 cm
Nov
22 °C
32 °C
17 km/h
23 mm
0 cm
Dec
19 °C
31 °C
20 km/h
6 mm
0 cm
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Metric (°C, km/h)