Dong Phou Vieng

Nature Reserve Mountainous Lao forest landscape with karst formations

Dong Phou Vieng in Savannakhet is a protected karst and forest landscape with caves, limestone cliffs and upland forest. Travelers arrive for caving, trekking and birdwatching in a relatively undeveloped natural area.

Dong Phou Vieng is a protected area in Savannakhet province, Laos, designated to conserve forested hills and karst features in a largely rural landscape. It is notable for its mixed habitats and ecological value at the provincial scale.

Remote forested ridges, limestone outcrops and cave systems characterise the area, along with trails used by local communities; the site is primarily of interest for nature conservation and low-intensity ecotourism rather than developed visitor services. Wildlife and plant diversity reflect the transitional environments of interior southern Laos.

The area has been managed under Laos’ protected-area framework to conserve habitat and reduce pressures from agriculture and hunting, with collaboration between local communities and conservation authorities on sustainable use.

Dong Phou Vieng lies in Savannakhet province in central-southern Laos, inland from the Mekong corridor in a landscape of hills and forested karst.

  • Landscape features: The area contains a mix of limestone karst and forested hills with caves and seasonal streams that are locally important for biodiversity and traditional land use.
Dong Phou Vieng
Dong Phou Vieng National Protected Area, Savannakhet Province, Laos
16.5000, 106.0000

Best Time to Visit Dong Phou Vieng #

Visit Dong Phou Vieng in the dry season (Nov-Apr) for the best hiking conditions and accessibility.

Dry season
Nov-Apr · 18-32°C
Easier hiking and better trail access for visiting Dong Phou Vieng; generally clearer skies.
Wet / Monsoon season
May-Oct · 22-33°C
Regular heavy rains can make trails slippery and reduce visibility; plan around afternoon downpours.
Hot season
Mar-May · 24-34°C
Hottest period of the year - avoid midday exertion and carry ample water.

Weather & Climate near Dong Phou Vieng #

Climate

Dong Phou Vieng's climate is classified as Tropical Savanna - Tropical Savanna climate with hot summers (peaking in May) and warm winters (coldest in January). Temperatures range from 16°C to 33°C. Abundant rainfall (1767 mm/year), wettest in September with a pronounced dry season.

Air Quality: AQI 74 Moderate
Best Time to Visit
JanuaryFebruaryDecember
Temperature & Rainfall
Temperature Range
41°
Warmest Month
Coldest Month
Monthly Conditions

January

January is mild with highs of 27°C and lows of 16°C. The driest month with just 5 mm and mostly sunny skies.

95 Ideal

Comfort

22°
Feels Like Mild
22°C
Temperature
16° 27°
80%
Humidity
Very Humid

Weather

5 mm
Rainfall
1.8 m/s
Wind
Calm
1.7
UV Index
Very High
11.1h daylight

February

February is mild with highs of 29°C and lows of 18°C. Almost no rain and mostly sunny skies.

95 Ideal

Comfort

24°
Feels Like Mild
24°C
Temperature
18° 29°
74%
Humidity
Very Humid

Weather

9 mm
Rainfall
1.5 m/s
Wind
Calm
1.8
UV Index
Very High
11.5h daylight

March

March is warm with highs of 32°C and lows of 21°C. Light rainfall.

91 Ideal

Comfort

26°
Feels Like Warm
26°C
Temperature
21° 32°
71%
Humidity
Very Humid

Weather

28 mm
Rainfall
1.5 m/s
Wind
Calm
1.8
UV Index
Very High
11.9h daylight

April

April is hot, feeling like 31°C. Moderate rainfall (75 mm) and partly cloudy skies.

73 Very Good

Comfort

31°
Feels Like Hot
28°C
Temperature
23° 33°
68%
Humidity
Humid

Weather

75 mm
Rainfall
1.5 m/s
Wind
Calm
2.0
UV Index
Extreme
12.4h daylight

May

May is the hottest month, feeling like 32°C due to high humidity. Heavy rain (202 mm) and mostly overcast skies.

57 Acceptable

Comfort

32°
Feels Like Hot
28°C
Temperature
24° 32°
74%
Humidity
Very Humid

Weather

202 mm
Rainfall
1.4 m/s
Wind
Calm
2.1
UV Index
Extreme
12.8h daylight

June

June is hot, feeling like 31°C due to high humidity. Heavy rain (204 mm) and mostly overcast skies.

55 Acceptable

Comfort

31°
Feels Like Hot
28°C
Temperature
24° 32°
78%
Humidity
Very Humid

Weather

204 mm
Rainfall
1.5 m/s
Wind
Calm
2.0
UV Index
Extreme
13.0h daylight

July

July is hot, feeling like 31°C with oppressive humidity. Heavy rain (358 mm) and mostly overcast skies.

55 Acceptable

Comfort

31°
Feels Like Hot
27°C
Temperature
24° 31°
82%
Humidity
Very Humid

Weather

358 mm
Rainfall
1.5 m/s
Wind
Calm
1.9
UV Index
Very High
12.9h daylight

August

August is hot, feeling like 31°C with oppressive humidity. Heavy rain (357 mm) and mostly overcast skies.

63 Good

Comfort

31°
Feels Like Hot
27°C
Temperature
24° 31°
86%
Humidity
Very Humid

Weather

357 mm
Rainfall
1.5 m/s
Wind
Calm
1.8
UV Index
Very High
12.6h daylight

September

September is warm with muggy conditions (dew point 23°C). The wettest month with heavy rain (361 mm) and mostly overcast skies.

63 Good

Comfort

27°
Feels Like Warm
27°C
Temperature
23° 30°
87%
Humidity
Very Humid

Weather

361 mm
Rainfall
1.1 m/s
Wind
Calm
1.9
UV Index
Very High
12.1h daylight

October

October is warm with highs of 29°C and lows of 22°C. Significant rainfall (119 mm) and partly cloudy skies.

79 Very Good

Comfort

25°
Feels Like Warm
25°C
Temperature
22° 29°
86%
Humidity
Very Humid

Weather

119 mm
Rainfall
1.3 m/s
Wind
Calm
1.7
UV Index
Very High
11.7h daylight

November

November is mild with highs of 28°C and lows of 19°C. Moderate rainfall (39 mm).

89 Excellent

Comfort

23°
Feels Like Mild
23°C
Temperature
19° 28°
84%
Humidity
Very Humid

Weather

39 mm
Rainfall
1.5 m/s
Wind
Calm
1.6
UV Index
Very High
11.2h daylight

December

December is mild with highs of 27°C and lows of 17°C. Light rainfall.

93 Ideal

Comfort

22°
Feels Like Mild
22°C
Temperature
17° 27°
83%
Humidity
Very Humid

Weather

10 mm
Rainfall
1.5 m/s
Wind
Calm
1.5
UV Index
Very High
11.0h daylight

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