Climate Insights for Muang Phôn-Hông

, Vientiane Province, Laos

Hottest
April
35°C peak
Coldest
January
17°C low
Wettest
August
489mm rain
Best to Visit
January, February, December
Mild temps & low rain

Climate Overview

The climate in Muang Phôn-Hông is hot. The average annual temperature is 27°C and approximately 2229mm of precipitation falls per year. August is the wettest month, receiving around 489mm of rainfall. Muang Phôn-Hông 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 17°C.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 29° Average: 22° Min: 17° Feb Max: 31° Average: 24° Min: 18° Mar Max: 34° Average: 27° Min: 22° Apr Max: 35° Average: 29° Min: 24° May Max: 34° Average: 29° Min: 25° Jun Max: 32° Average: 28° Min: 25° Jul Max: 31° Average: 28° Min: 25° Aug Max: 31° Average: 27° Min: 25° Sep Max: 31° Average: 28° Min: 25° Oct Max: 31° Average: 27° Min: 24° Nov Max: 31° Average: 26° Min: 22° Dec Max: 29° Average: 23° Min: 18°
Max
Average
Min

Muang Phôn-Hông sees moderate temperature variation throughout the year, ranging from 17°C to 35°C. April is the hottest month, with daytime highs reaching 35°C and an average of 29°C. January is the coolest month, with minimum temperatures around 17°C and an average of 22°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 400mm 450mm 500mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 19mm Feb Precipitation: 28mm Mar Precipitation: 38mm Apr Precipitation: 60mm May Precipitation: 232mm Jun Precipitation: 364mm Jul Precipitation: 461mm Aug Precipitation: 489mm Sep Precipitation: 362mm Oct Precipitation: 142mm Nov Precipitation: 26mm Dec Precipitation: 7mm
Precipitation

Muang Phôn-Hông is a very wet location, receiving approximately 2229mm of precipitation annually, which averages out to around 186mm per month. The wettest month is August, averaging 489mm of rainfall. July and June also tend to see above-average precipitation. The driest month is December, with just 7mm. That's 482mm less than August, 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 7km/h Feb Wind Speed: 8km/h Mar Wind Speed: 8km/h Apr Wind Speed: 8km/h May Wind Speed: 7km/h Jun Wind Speed: 6km/h Jul Wind Speed: 7km/h Aug Wind Speed: 7km/h Sep Wind Speed: 6km/h Oct Wind Speed: 5km/h Nov Wind Speed: 6km/h Dec Wind Speed: 7km/h
Wind Speed

Muang Phôn-Hông is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/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 Muang Phôn-Hông, which began on March 20, 2026. Muang Phôn-Hông 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 35°C, while the coldest stretch bottoms out in January near 17°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 22 to 35°C. Rainfall is heavy, totalling around 330mm across the season with a monthly average of 110mm. Winds are generally light, averaging 7km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 25 to 32°C. Rainfall is heavy, totalling around 1314mm across the season with a monthly average of 438mm. Winds are generally light, averaging 6km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 22 to 31°C. Rainfall is heavy, totalling around 531mm across the season with a monthly average of 177mm. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 17 to 31°C. Rainfall is relatively light, with around 54mm over the season and a monthly average of 18mm. Winds are generally light, averaging 7km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 22°
Feb 24°
Mar 27°
Apr 29°
May 29°
Jun 28°
Jul 28°
Aug 27°
Sep 28°
Oct 27°
Nov 26°
Dec 23°

The best time to visit Muang Phôn-Hông is during January, February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 18mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 35°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 Muang Phôn-Hông 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
17 °C
29 °C
7 km/h
19 mm
0 cm
Feb
18 °C
31 °C
8 km/h
28 mm
0 cm
Mar Current
22 °C
34 °C
8 km/h
38 mm
0 cm
Apr
24 °C
35 °C
8 km/h
60 mm
0 cm
May
25 °C
34 °C
7 km/h
232 mm
0 cm
Jun
25 °C
32 °C
6 km/h
364 mm
0 cm
Jul
25 °C
31 °C
7 km/h
461 mm
0 cm
Aug
25 °C
31 °C
7 km/h
489 mm
0 cm
Sep
25 °C
31 °C
6 km/h
362 mm
0 cm
Oct
24 °C
31 °C
5 km/h
142 mm
0 cm
Nov
22 °C
31 °C
6 km/h
26 mm
0 cm
Dec
18 °C
29 °C
7 km/h
7 mm
0 cm
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Metric (°C, km/h)