Cambodia (Siem Reap)
May
Weather in Cambodia for May 2025
Your guide to Cambodia weather in May - trends and predictions
In general, the average temperature in Cambodia at the beginning of May is 37.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 33.7 °C by the end of May.
Expect significant rainfall in Cambodia during May, with an average of 16 rainy days.
Is May a good time to visit Cambodia? check out the best time to travel to Cambodia page.
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15
Dry days
16
Rainy days
0
Snow days
36°/25°
Temperatures
14 km/h
Avg max wind
66 %
Avg humidity
Cambodia in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  37° | 2  37° | 3 36° | 4 37° | |||
| 5  38° | 6 38° | 7 37° | 8  37° | 9 34° | 10 34° | 11 36° |
| 12 33° | 13 34° | 14 33° | 15 35° | 16  36° | 17 36° | 18 36° |
| 19 37° | 20 37° | 21 34° | 22 31° | 23 34° | 24 34° | 25 33° |
| 26 35° | 27 35° | 28 32° | 29 34° | 30 35° | 31 32° |
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Temperatures trend during May in Cambodia
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 | Patchy rain possible | 37° /25° | 0.2 mm | 9 | |
| 2 May | Moderate or heavy rain shower | 37° /26° | 1.3 mm | 8 | |
| 3 May | Patchy rain possible | 36° /26° | 1.2 mm | 8 | |
| 4 May | Patchy rain possible | 37° /26° | 0.2 mm | 8 | |
| 5 May | Partly cloudy | 38° /26° | 0.3 mm | 9 | |
| 6 May | Partly cloudy | 38° /26° | 0.5 mm | 9 | |
| 7 May | Patchy rain possible | 37° /26° | 1.3 mm | 8 | |
| 8 May | Heavy rain at times | 37° /26° | 2.2 mm | 8 | |
| 9 May | Moderate or heavy rain shower | 34° /25° | 5.8 mm | 8 | |
| 10 May | Moderate or heavy rain shower | 34° /25° | 8.1 mm | 8 | |
| 11 May | Heavy rain at times | 36° /25° | 1.7 mm | 8 | |
| 12 May | Moderate or heavy rain shower | 33° /26° | 13.5 mm | 8 | |
| 13 May | Patchy rain possible | 34° /25° | 10.4 mm | 7 | |
| 14 May | Moderate or heavy rain shower | 33° /25° | 4.6 mm | 7 | |
| 15 May | Heavy rain at times | 35° /26° | 2.1 mm | 8 | |
| 16 May | Overcast | 36° /25° | 4.1 mm | 8 | |
| 17 May | Moderate or heavy rain shower | 36° /25° | 1.8 mm | 8 | |
| 18 May | Patchy rain possible | 36° /25° | 0.2 mm | 8 | |
| 19 May | Partly cloudy | 37° /26° | 0.3 mm | 9 | |
| 20 May | Patchy rain possible | 37° /26° | 0.8 mm | 8 | |
| 21 May | Overcast | 34° /26° | 6.1 mm | 8 | |
| 22 May | Patchy rain possible | 31° /24° | 9 mm | 7 | |
| 23 May | Patchy rain possible | 34° /25° | 10 mm | 8 | |
| 24 May | Moderate or heavy rain shower | 34° /25° | 8 mm | 8 | |
| 25 May | Moderate or heavy rain shower | 33° /24° | 5.6 mm | 7 | |
| 26 May | Moderate or heavy rain shower | 35° /25° | 2.5 mm | 8 | |
| 27 May | Moderate or heavy rain shower | 35° /25° | 5.1 mm | 8 | |
| 28 May | Moderate or heavy rain shower | 32° /25° | 15.3 mm | 8 | |
| 29 May | Moderate or heavy rain shower | 34° /25° | 8.6 mm | 8 | |
| 30 May | Heavy rain at times | 35° /25° | 7.4 mm | 8 | |
| 31 May | Moderate or heavy rain shower | 32° /25° | 7.5 mm | 7 | |
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Important Notice
Our weather forecast for Cambodia 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 Cambodia forecast closer to your planned date for the most up-to-date weather information.
Cambodia in May - FAQ
What are the expected maximum and minimum temperatures in Cambodia during May?
With daytime temperatures soaring above 36° and not dropping much below 25° at night, May in Cambodia is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Cambodia during May?
Significant rainfall exceeding 291.1 mm is expected in Cambodia during May, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Cambodia during May?
The average wind speed in Cambodia during May is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Cambodia in May?
As you prepare for your trip to Cambodia 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 Cambodia, 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 Cambodia
Explore the daily rainfall trends and prepare for Cambodias May weather 💧
UV exposure in Cambodia during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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