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Best time to visit Vientiane

Monthly weather scores combine temperatures, sunshine, rain, and comfort signals to highlight when Vientianeis at its most inviting, and when the weather is least cooperative.

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Best overall month

January

Overall score 66.3%

High
85.6°F
Low
63.0°F
Sun
9.1h
Rain
0.0in
Rain days
1.0%
Humidity
52.9%
Wind
6.1mph
Day length
11.2h
Sun percent
81.3%
Month to omit

August

Overall score 27.3%

High
86.7°F
Low
74.8°F
Sun
0.8h
Rain
0.6in
Rain days
86.0%
Humidity
84.4%
Wind
6.1mph
Day length
12.7h
Sun percent
6.3%

Overall travel weather

A simple average of the Heat Seeker, Mild Moderate, and Sun And Dry scores.

The tables below rank months by score. Each month includes the long-term weather inputs behind the score: daytime and nighttime temperature, sunshine, rain, rainy-day share, humidity, wind, day length, and the score components for this travel style.

Monthly score trend

This chart shows how the score changes through the year, so the top and omitted months below have context.

Top months to visit

Higher scores mean months that better match this travel style.

1. January

Score 66.3%

#1
High
85.6°F
Low
63.0°F
Sun
9.1h
Rain
0.0in
Rain days
1.0%
Humidity
52.9%
Wind
6.1mph
Day length
11.2h
Sun percent
81.3%
Heat score
78.0%
Mild score
30.0%
Dry score
91.0%

2. February

Score 66.0%

#2
High
91.0°F
Low
68.2°F
Sun
9.3h
Rain
0.0in
Rain days
9.0%
Humidity
46.0%
Wind
7.4mph
Day length
11.6h
Sun percent
80.4%
Heat score
85.0%
Mild score
30.0%
Dry score
83.0%

3. December

Score 62.0%

#3
High
84.0°F
Low
63.7°F
Sun
8.1h
Rain
0.0in
Rain days
4.0%
Humidity
61.2%
Wind
5.5mph
Day length
11.1h
Sun percent
73.1%
Heat score
72.0%
Mild score
30.0%
Dry score
84.0%

Top months to omit

Lower scores mean months where the weather is least aligned with this travel style.

1. August

Score 27.3%

#1
High
86.7°F
Low
74.8°F
Sun
0.8h
Rain
0.6in
Rain days
86.0%
Humidity
84.4%
Wind
6.1mph
Day length
12.7h
Sun percent
6.3%
Heat score
46.0%
Mild score
0.0%
Dry score
36.0%

2. July

Score 28.3%

#2
High
87.4°F
Low
75.7°F
Sun
0.8h
Rain
0.5in
Rain days
85.0%
Humidity
82.4%
Wind
6.4mph
Day length
13.1h
Sun percent
6.1%
Heat score
48.0%
Mild score
0.0%
Dry score
37.0%

3. September

Score 30.0%

#3
High
87.1°F
Low
74.1°F
Sun
2.0h
Rain
0.5in
Rain days
86.0%
Humidity
84.2%
Wind
5.1mph
Day length
12.2h
Sun percent
16.4%
Heat score
49.0%
Mild score
0.0%
Dry score
41.0%

Heat Seeker

Heat Seeker Score is a composite score designed for those who crave hot, sunny weather with minimal rainfall. It prioritizes high temperatures and abundant sunshine.

The tables below rank months by score. Each month includes the long-term weather inputs behind the score: daytime and nighttime temperature, sunshine, rain, rainy-day share, humidity, wind, day length, and the score components for this travel style.

Monthly score trend

This chart shows how the score changes through the year, so the top and omitted months below have context.

Top months to visit

Higher scores mean months that better match this travel style.

1. February

Score 85.0%

#1
High
91.0°F
Low
68.2°F
Sun
9.3h
Rain
0.0in
Rain days
9.0%
Humidity
46.0%
Wind
7.4mph
Day length
11.6h
Sun percent
80.4%
Heat high
85.0%
Heat low
100.0%
Heat sun
80.0%
Heat rain
82.0%

2. March

Score 85.0%

#2
High
96.6°F
Low
74.8°F
Sun
7.9h
Rain
0.0in
Rain days
21.0%
Humidity
43.0%
Wind
8.1mph
Day length
12.0h
Sun percent
65.6%
Heat high
100.0%
Heat low
100.0%
Heat sun
66.0%
Heat rain
58.0%

3. April

Score 79.0%

#3
High
99.0°F
Low
78.4°F
Sun
7.1h
Rain
0.1in
Rain days
34.0%
Humidity
45.7%
Wind
8.3mph
Day length
12.6h
Sun percent
56.6%
Heat high
100.0%
Heat low
100.0%
Heat sun
57.0%
Heat rain
32.0%

Top months to omit

Lower scores mean months where the weather is least aligned with this travel style.

1. August

Score 46.0%

#1
High
86.7°F
Low
74.8°F
Sun
0.8h
Rain
0.6in
Rain days
86.0%
Humidity
84.4%
Wind
6.1mph
Day length
12.7h
Sun percent
6.3%
Heat high
69.0%
Heat low
100.0%
Heat sun
6.0%
Heat rain
0.0%

2. July

Score 48.0%

#2
High
87.4°F
Low
75.7°F
Sun
0.8h
Rain
0.5in
Rain days
85.0%
Humidity
82.4%
Wind
6.4mph
Day length
13.1h
Sun percent
6.1%
Heat high
72.0%
Heat low
100.0%
Heat sun
6.0%
Heat rain
0.0%

3. September

Score 49.0%

#3
High
87.1°F
Low
74.1°F
Sun
2.0h
Rain
0.5in
Rain days
86.0%
Humidity
84.2%
Wind
5.1mph
Day length
12.2h
Sun percent
16.4%
Heat high
71.0%
Heat low
100.0%
Heat sun
16.0%
Heat rain
0.0%

Mild Moderate

Mild Moderate Score is designed for those who prefer comfortable, temperate weather conditions. It favors moderate temperatures and balanced weather patterns.

The tables below rank months by score. Each month includes the long-term weather inputs behind the score: daytime and nighttime temperature, sunshine, rain, rainy-day share, humidity, wind, day length, and the score components for this travel style.

Monthly score trend

This chart shows how the score changes through the year, so the top and omitted months below have context.

Top months to visit

Higher scores mean months that better match this travel style.

1. January

Score 30.0%

#1
High
85.6°F
Low
63.0°F
Sun
9.1h
Rain
0.0in
Rain days
1.0%
Humidity
52.9%
Wind
6.1mph
Day length
11.2h
Sun percent
81.3%
Mild high
0.0%
Mild low
0.0%
Mild sun
100.0%
Mild rain
100.0%

2. February

Score 30.0%

#2
High
91.0°F
Low
68.2°F
Sun
9.3h
Rain
0.0in
Rain days
9.0%
Humidity
46.0%
Wind
7.4mph
Day length
11.6h
Sun percent
80.4%
Mild high
0.0%
Mild low
0.0%
Mild sun
100.0%
Mild rain
100.0%

3. December

Score 30.0%

#3
High
84.0°F
Low
63.7°F
Sun
8.1h
Rain
0.0in
Rain days
4.0%
Humidity
61.2%
Wind
5.5mph
Day length
11.1h
Sun percent
73.1%
Mild high
0.0%
Mild low
0.0%
Mild sun
100.0%
Mild rain
100.0%

Top months to omit

Lower scores mean months where the weather is least aligned with this travel style.

1. June

Score 0.0%

#1
High
89.4°F
Low
76.8°F
Sun
1.4h
Rain
0.5in
Rain days
84.0%
Humidity
77.1%
Wind
6.1mph
Day length
13.2h
Sun percent
10.6%
Mild high
0.0%
Mild low
0.0%
Mild sun
0.0%
Mild rain
0.0%

2. July

Score 0.0%

#2
High
87.4°F
Low
75.7°F
Sun
0.8h
Rain
0.5in
Rain days
85.0%
Humidity
82.4%
Wind
6.4mph
Day length
13.1h
Sun percent
6.1%
Mild high
0.0%
Mild low
0.0%
Mild sun
0.0%
Mild rain
0.0%

3. August

Score 0.0%

#3
High
86.7°F
Low
74.8°F
Sun
0.8h
Rain
0.6in
Rain days
86.0%
Humidity
84.4%
Wind
6.1mph
Day length
12.7h
Sun percent
6.3%
Mild high
0.0%
Mild low
0.0%
Mild sun
0.0%
Mild rain
0.0%

Sun And Dry

Sun And Dry Score maximizes sun exposure and minimizes all forms of precipitation. Temperature is secondary, preferring mild-to-warm conditions.

The tables below rank months by score. Each month includes the long-term weather inputs behind the score: daytime and nighttime temperature, sunshine, rain, rainy-day share, humidity, wind, day length, and the score components for this travel style.

Monthly score trend

This chart shows how the score changes through the year, so the top and omitted months below have context.

Top months to visit

Higher scores mean months that better match this travel style.

1. January

Score 91.0%

#1
High
85.6°F
Low
63.0°F
Sun
9.1h
Rain
0.0in
Rain days
1.0%
Humidity
52.9%
Wind
6.1mph
Day length
11.2h
Sun percent
81.3%
Dry sun
81.0%
Dry days
96.0%
Dry rain
100.0%
Dry comfort
99.0%

2. December

Score 84.0%

#2
High
84.0°F
Low
63.7°F
Sun
8.1h
Rain
0.0in
Rain days
4.0%
Humidity
61.2%
Wind
5.5mph
Day length
11.1h
Sun percent
73.1%
Dry sun
73.0%
Dry days
84.0%
Dry rain
100.0%
Dry comfort
93.0%

3. February

Score 83.0%

#3
High
91.0°F
Low
68.2°F
Sun
9.3h
Rain
0.0in
Rain days
9.0%
Humidity
46.0%
Wind
7.4mph
Day length
11.6h
Sun percent
80.4%
Dry sun
80.0%
Dry days
64.0%
Dry rain
100.0%
Dry comfort
100.0%

Top months to omit

Lower scores mean months where the weather is least aligned with this travel style.

1. August

Score 36.0%

#1
High
86.7°F
Low
74.8°F
Sun
0.8h
Rain
0.6in
Rain days
86.0%
Humidity
84.4%
Wind
6.1mph
Day length
12.7h
Sun percent
6.3%
Dry sun
6.0%
Dry days
0.0%
Dry rain
93.0%
Dry comfort
100.0%

2. July

Score 37.0%

#2
High
87.4°F
Low
75.7°F
Sun
0.8h
Rain
0.5in
Rain days
85.0%
Humidity
82.4%
Wind
6.4mph
Day length
13.1h
Sun percent
6.1%
Dry sun
6.0%
Dry days
0.0%
Dry rain
96.0%
Dry comfort
100.0%

3. June

Score 39.0%

#3
High
89.4°F
Low
76.8°F
Sun
1.4h
Rain
0.5in
Rain days
84.0%
Humidity
77.1%
Wind
6.1mph
Day length
13.2h
Sun percent
10.6%
Dry sun
11.0%
Dry days
0.0%
Dry rain
98.0%
Dry comfort
100.0%
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