Vientiane, Viangchan, Laos Climate Change Severity

57
High
The current climate change severity in Vientiane is High, with a 11.3% worsening in the climate score compared to last 15 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Apr. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Vientiane Weather Condition Changes (Historic Vs 2025)

2025
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Vientiane temperature has changed by around -3.08%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
9165
-28.5%
cloudyCloudy
6922
-68.1%
rainyRainy
19525
-87.1%
snowySnowy
00
0%
mistyMisty
00
0%

Disclaimer: Other weather conditions not shown may affect the total day count.

Climate Change Indicators:

Over the past 15 years, Vientiane has experienced measurable shifts in key climate parameters, contributing to the current severity score of 57 (within the High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

57/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Vientiane experienced significant changes:

Temperature change of

-0.97 °C

Variation in annual rainfall

-30.47 %

Change in average humidity

-2.14 %

PM2.5 levels surged by

-47.55 %

Heatwave changed by

-3 Days

Coldwave changed by

0 Day

Wind speeds changed by

+3.27 km/h

These indicators show that Vientiane is experiencing a more volatile and extreme climate, reinforcing the need for urgent intervention to mitigate risks. As the severity score rises, focus must shift to adaptation and emergency preparedness.

Check how we calculate Climate Change Severity
Based on data from Jan. to Apr.

Vientiane Weather Forecast 30 Days (July - August 2026)
Vientiane, Viangchan, Laos

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Thu. 30, Jul.
light rain showerRain Shower
Temperature Icon29°/23°
Humidity Icon90%
Wind Icon11.2km/h
Fri. 31, Jul.
light rain showerRain Shower
Temperature Icon28°/24°
Humidity Icon93%
Wind Icon13.7km/h
Sat. 1, Aug.
light rain showerRain Shower
Temperature Icon27°/24°
Humidity Icon95%
Wind Icon7.6km/h
Sun. 2, Aug.
light rain showerRain Shower
Temperature Icon29°/23°
Humidity Icon90%
Wind Icon7.6km/h
Mon. 3, Aug.
light rain showerRain Shower
Temperature Icon29°/24°
Humidity Icon91%
Wind Icon7.6km/h
Tue. 4, Aug.
light rain showerRain Shower
Temperature Icon30°/24°
Humidity Icon86%
Wind Icon13.7km/h
Wed. 5, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/25°
Humidity Icon83%
Wind Icon12.6km/h
Thu. 6, Aug.
light rain showerRain Shower
Temperature Icon28°/24°
Humidity Icon90%
Wind Icon9.4km/h
Fri. 7, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/24°
Humidity Icon84%
Wind Icon9.3km/h
Sat. 8, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon83%
Wind Icon9.3km/h
Sun. 9, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon83%
Wind Icon9.5km/h
Mon. 10, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/25°
Humidity Icon81%
Wind Icon9.8km/h
Tue. 11, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/25°
Humidity Icon82%
Wind Icon9.6km/h
Wed. 12, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon83%
Wind Icon9.2km/h
Thu. 13, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/24°
Humidity Icon85%
Wind Icon8.5km/h
Fri. 14, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon85%
Wind Icon8.3km/h
Sat. 15, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/24°
Humidity Icon84%
Wind Icon9.4km/h
Sun. 16, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/24°
Humidity Icon86%
Wind Icon9.8km/h
Mon. 17, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/24°
Humidity Icon86%
Wind Icon9.4km/h
Tue. 18, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon83%
Wind Icon10km/h
Wed. 19, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon32°/24°
Humidity Icon83%
Wind Icon9.9km/h
Thu. 20, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/24°
Humidity Icon84%
Wind Icon9.1km/h
Fri. 21, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/24°
Humidity Icon85%
Wind Icon8.6km/h
Sat. 22, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon84%
Wind Icon8.1km/h
Sun. 23, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon83%
Wind Icon8.8km/h
Mon. 24, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon83%
Wind Icon8.2km/h
Tue. 25, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon84%
Wind Icon9.2km/h
Wed. 26, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/24°
Humidity Icon83%
Wind Icon9.3km/h
Thu. 27, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon84%
Wind Icon9.6km/h
Fri. 28, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon83%
Wind Icon8.7km/h
Sat. 29, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon85%
Wind Icon8.7km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onWed. 19, Aug.

32°C

Low will be onThu. 30, Jul.

23°C

HumidityHumidity

High will be onSat. 1, Aug.

95%

Low will be onMon. 10, Aug.

81%

Wind SpeedWind Speed

High will be onFri. 31, Jul.

13.7km/h

Low will be onSat. 1, Aug.

7.6km/h

PrecipitationPrecipitation

High will be onThu. 30, Jul.

33.4mm

Low will be onWed. 5, Aug.

7.4mm

Ultraviolet IndexUV

High will be onFri. 31, Jul.

11.1

Low will be onSun. 2, Aug.

2.5

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