Vientiane Prefecture (Vientiane)
May
Weather in Vientiane Prefecture for May 2026
Your guide to Vientiane Prefecture weather in May - trends and predictions
In general, the average temperature in Vientiane Prefecture at the beginning of May is 39.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 32.7 °C by the end of May.
Vientiane Prefecture experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 190.7 mm.
Temperatures
Rain 🌧️
3
Dry days
28
Rainy days
0
Snow days
35°/25°
Temperatures
12 km/h
Avg max wind
62 %
Avg humidity
Vientiane Prefecture Weather May
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Temperatures trend during May in Vientiane Prefecture
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May weather in Vientiane Prefecture day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Heavy rain at times | 39° /25° | 1.9 mm | 9 | |
| 2 May |  Patchy rain possible | 39° /26° | 0.5 mm | 8 | |
| 3 May | Heavy rain at times | 37° /25° | 6.7 mm | 8 | |
| 4 May | Patchy rain possible | 39° /25° | 1.4 mm | 8 | |
| 5 May | Patchy rain possible | 41° /27° | 1 mm | 9 | |
| 6 May | Patchy rain possible | 40° /26° | 2.8 mm | 9 | |
| 7 May |  Patchy light drizzle | 39° /26° | 7.9 mm | 8 | |
| 8 May | Patchy rain possible | 38° /25° | 1.7 mm | 8 | |
| 9 May |  Moderate or heavy rain shower | 34° /24° | 10.4 mm | 7 | |
| 10 May | Moderate or heavy rain shower | 33° /24° | 6.6 mm | 7 | |
| 11 May | Moderate or heavy rain shower | 34° /24° | 9.8 mm | 7 | |
| 12 May | Patchy rain possible | 34° /23° | 7.7 mm | 7 | |
| 13 May | Heavy rain at times | 33° /24° | 6.3 mm | 7 | |
| 14 May | Moderate or heavy rain shower | 32° /24° | 11 mm | 7 | |
| 15 May | Moderate or heavy rain shower | 33° /24° | 5.1 mm | 7 | |
| 16 May |  Partly cloudy | 35° /24° | 1.9 mm | 8 | |
| 17 May | Light rain shower | 36° /24° | 3.9 mm | 8 | |
| 18 May | Partly cloudy | 36° /25° | 2.4 mm | 8 | |
| 19 May | Partly cloudy | 37° /25° | 5.6 mm | 8 | |
| 20 May | Partly cloudy | 38° /25° | 20 mm | 8 | |
| 21 May | Partly cloudy | 36° /25° | 3.5 mm | 8 | |
| 22 May | Patchy rain possible | 35° /25° | 6.1 mm | 8 | |
| 23 May | Heavy rain at times | 33° /24° | 12.7 mm | 7 | |
| 24 May | Light rain shower | 31° /23° | 13.1 mm | 7 | |
| 25 May | Moderate rain at times | 33° /23° | 7.7 mm | 7 | |
| 26 May | Light rain shower | 32° /23° | 7.1 mm | 7 | |
| 27 May | Light rain shower | 32° /23° | 5.1 mm | 7 | |
| 28 May | Moderate or heavy rain shower | 32° /24° | 13 mm | 7 | |
| 29 May | Patchy rain possible | 32° /24° | 6 mm | 7 | |
| 30 May | Patchy rain possible | 35° /25° | 5.1 mm | 8 | |
| 31 May | Light rain shower | 33° /25° | 6.8 mm | 7 | |
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Important Notice
Our weather forecast for Vientiane Prefecture in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Vientiane Prefecture forecast closer to your planned date for the most up-to-date weather information.
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Vientiane Prefecture in May - FAQ
What are the expected maximum and minimum temperatures in Vientiane Prefecture during May?
With daytime temperatures soaring above 35° and not dropping much below 25° at night, May in Vientiane Prefecture is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Vientiane Prefecture during May?
Significant rainfall exceeding 190.7 mm is expected in Vientiane Prefecture during May, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Vientiane Prefecture during May?
The average wind speed in Vientiane Prefecture during May is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Vientiane Prefecture
Explore the daily rainfall trends and prepare for Vientiane Prefectures May weather 💧
UV exposure in Vientiane Prefecture during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Where is Vientiane Prefecture?Get accurate weather forecasts for Vientiane Prefecture, located at latitude 17.967 and longitude 102.6. Stay updated with localized weather information tailored for Vientiane Prefecture.
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