Laos (Vientiane)
May
Weather in Laos for May 2025
Your guide to Laos weather in May - trends and predictions
In general, the average temperature in Laos 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.
Laos 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 Laos? check out the best time to travel to Laos page.
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Temperatures
Rain 🌧️
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3
Dry days
28
Rainy days
0
Snow days
35°/25°
Temperatures
12 km/h
Avg max wind
62 %
Avg humidity
Laos in May average weather
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| 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° |
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Temperatures trend during May in Laos
See the weather trend as well as the moving average line
May weather day by day
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| 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 | |
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Important Notice
Our weather forecast for Laos 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 Laos forecast closer to your planned date for the most up-to-date weather information.
Laos in May - FAQ
What are the expected maximum and minimum temperatures in Laos during May?
With daytime temperatures soaring above 35° and not dropping much below 25° at night, May in Laos is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Laos during May?
Significant rainfall exceeding 190.7 mm is expected in Laos during May, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Laos during May?
The average wind speed in Laos during May is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Laos in May?
As you prepare for your trip to Laos 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 Laos, 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 Laos
Explore the daily rainfall trends and prepare for Laoss May weather 💧
UV exposure in Laos during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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