Weather in Vientiane for May 2025
In general, the average temperature in Vientiane at the beginning of May is 40 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 33.9 °C by the end of May.
Vientiane experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 190.7 mm.
Is May a good time to visit Vientiane? check out the best time to travel to Vientiane page.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
Vientiane in May average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 40° | 2 40° | 3 37° | 4 39° | |||
5 43° | 6 41° | 7 40° | 8 37° | 9 31° | 10 32° | 11 34° |
12 34° | 13 32° | 14 33° | 15 37° | 16 36° | 17 36° | 18 36° |
19 38° | 20 38° | 21 36° | 22 34° | 23 31° | 24 31° | 25 33° |
26 32° | 27 34° | 28 32° | 29 33° | 30 38° | 31 35° |
You can click on date
Temperatures trend during May in Vientiane
May weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 May | Heavy rain at times | 40° /26° | 0.7 mm | 9 | |
2 May | Overcast | 40° /28° | 0.3 mm | 9 | |
3 May | Heavy rain at times | 37° /25° | 4.5 mm | 8 | |
4 May | Overcast | 39° /25° | 1.7 mm | 8 | |
5 May | Patchy rain possible | 43° /28° | 0.3 mm | 9 | |
6 May | Partly cloudy | 41° /27° | 1.2 mm | 9 | |
7 May | Overcast | 40° /27° | 2.7 mm | 9 | |
8 May | Patchy rain possible | 37° /25° | 2.4 mm | 8 | |
9 May | Moderate or heavy rain shower | 31° /24° | 14.7 mm | 7 | |
10 May | Moderate or heavy rain shower | 32° /24° | 7.5 mm | 7 | |
11 May | Moderate or heavy rain shower | 34° /24° | 11.8 mm | 8 | |
12 May | Moderate or heavy rain shower | 34° /25° | 11.1 mm | 8 | |
13 May | Heavy rain at times | 32° /24° | 8.3 mm | 7 | |
14 May | Moderate or heavy rain shower | 33° /24° | 5.8 mm | 7 | |
15 May | Moderate or heavy rain shower | 37° /25° | 4.3 mm | 8 | |
16 May | Partly cloudy | 36° /24° | 1.4 mm | 9 | |
17 May | Partly cloudy | 36° /25° | 3.7 mm | 8 | |
18 May | Partly cloudy | 36° /25° | 2.3 mm | 8 | |
19 May | Partly cloudy | 38° /25° | 6.1 mm | 9 | |
20 May | Partly cloudy | 38° /25° | 26.8 mm | 9 | |
21 May | Partly cloudy | 36° /26° | 5 mm | 8 | |
22 May | Patchy rain possible | 34° /25° | 8.8 mm | 8 | |
23 May | Heavy rain at times | 31° /24° | 16.9 mm | 7 | |
24 May | Moderate or heavy rain shower | 31° /23° | 9.1 mm | 7 | |
25 May | Moderate rain at times | 33° /24° | 7.2 mm | 8 | |
26 May | Moderate or heavy rain shower | 32° /23° | 7.8 mm | 7 | |
27 May | Patchy rain possible | 34° /24° | 1.8 mm | 8 | |
28 May | Moderate or heavy rain shower | 32° /25° | 2.3 mm | 7 | |
29 May | Moderate or heavy rain shower | 33° /25° | 7.6 mm | 7 | |
30 May | Patchy rain possible | 38° /26° | 1.5 mm | 9 | |
31 May | Patchy rain possible | 35° /26° | 5.3 mm | 8 | |
Next |
Vientiane in May - FAQ
What to pack to Vientiane in May?
As you prepare for your trip to Vientiane in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Vientiane, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
May rainfall patterns in Vientiane
UV exposure in Vientiane during May
Quick links
Get accurate weather forecasts for Vientiane, located at latitude 17.967 and longitude 102.6. Stay updated with localized weather information tailored for Vientiane.