Climate Insights for Phon

Amphoe Phon, Changwat Khon Kaen, Thailand

Hottest
April
37°C peak
Coldest
January
19°C low
Wettest
September
230mm rain
Best to Visit
January, December
Mild temps & low rain

Climate Overview

The climate in Phon is hot. The average annual temperature is 28°C and approximately 1127mm of precipitation falls per year. September is the wettest month, receiving around 230mm of rainfall. Phon 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 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: 33° Average: 26° Min: 20° Mar Max: 36° Average: 29° Min: 24° Apr Max: 37° Average: 31° Min: 26° May Max: 35° Average: 30° Min: 26° Jun Max: 35° Average: 30° Min: 26° Jul Max: 33° Average: 29° Min: 26° Aug Max: 33° Average: 29° 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: 30° Average: 25° Min: 19°
Max
Average
Min

Phon sees moderate temperature variation throughout the year, ranging from 19°C to 37°C. April is the hottest month, with daytime highs reaching 37°C and an average of 31°C. January is the coolest month, with minimum temperatures around 19°C and an average of 25°C. On average, daily temperatures fluctuate by about 10°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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 6mm Feb Precipitation: 13mm Mar Precipitation: 32mm Apr Precipitation: 47mm May Precipitation: 131mm Jun Precipitation: 125mm Jul Precipitation: 205mm Aug Precipitation: 162mm Sep Precipitation: 230mm Oct Precipitation: 148mm Nov Precipitation: 23mm Dec Precipitation: 5mm
Precipitation

Phon is a moderately rainy area, receiving approximately 1127mm of precipitation annually, which averages out to around 94mm per month. The wettest month is September, averaging 230mm of rainfall. July and August also tend to see above-average precipitation. The driest month is December, with just 5mm. That's 225mm 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: 14km/h Feb Wind Speed: 13km/h Mar Wind Speed: 12km/h Apr Wind Speed: 13km/h May Wind Speed: 12km/h Jun Wind Speed: 15km/h Jul Wind Speed: 16km/h Aug Wind Speed: 16km/h Sep Wind Speed: 12km/h Oct Wind Speed: 13km/h Nov Wind Speed: 15km/h Dec Wind Speed: 17km/h
Wind Speed

Phon is mildly breezy, with an average annual wind speed of 14km/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 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 12km/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 Phon, which began on March 20, 2026. Phon 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 37°C, while the coldest stretch bottoms out in January near 19°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 24 to 37°C. Precipitation is moderate at around 211mm for the season, averaging 70mm per month. Winds are generally light, averaging 12km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 26 to 35°C. Rainfall is heavy, totalling around 492mm across the season with a monthly average of 164mm. Winds are moderate at around 15km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 22 to 32°C. Rainfall is heavy, totalling around 401mm across the season with a monthly average of 134mm. Winds are generally light, averaging 13km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 19 to 33°C. Precipitation is minimal, with only around 24mm for the entire season. Winds are generally light, averaging 15km/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 26°
Mar 29°
Apr 31°
May 30°
Jun 30°
Jul 29°
Aug 29°
Sep 28°
Oct 27°
Nov 27°
Dec 25°

The best time to visit Phon 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 6mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 37°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 Phon 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
14 km/h
6 mm
0 cm
Feb
20 °C
33 °C
13 km/h
13 mm
0 cm
Mar Current
24 °C
36 °C
12 km/h
32 mm
0 cm
Apr
26 °C
37 °C
13 km/h
47 mm
0 cm
May
26 °C
35 °C
12 km/h
131 mm
0 cm
Jun
26 °C
35 °C
15 km/h
125 mm
0 cm
Jul
26 °C
33 °C
16 km/h
205 mm
0 cm
Aug
26 °C
33 °C
16 km/h
162 mm
0 cm
Sep
25 °C
32 °C
12 km/h
230 mm
0 cm
Oct
24 °C
32 °C
13 km/h
148 mm
0 cm
Nov
22 °C
32 °C
15 km/h
23 mm
0 cm
Dec
19 °C
30 °C
17 km/h
5 mm
0 cm
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Metric (°C, km/h)