Last updated: August 27, 2025
In May, the average temperature in Nam Khun, Thailand hovers around 28°C (83°F), creating a warm and inviting atmosphere. While the mercury can dip as low as 20°C (69°F), it can also soar to a scorching 39°C (102°F). Visitors should prepare for 23 days of rainfall, accumulating 158 mm (6.2 in) of precipitation, all wrapped in an average humidity of 71%. Whether you’re enjoying the sun or seeking shelter from the rain, there’s no shortage of experiences to be had!
In May in Nam Khun, the average temperature is 28°C (83°F). Maximums can reach 39°C (102°F), while minimums can drop to as low as 20°C (69°F). This makes Nam Khun an ideal destination for travelers seeking warm weather and plenty of sunshine.
In Nam Khun in May, the precipitation amount is 158 mm (6.2 in) over a span of 23 days.
In Nam Khun in May, humidity is 71%. With an average temperature of 28°C (83°F), this humidity feels like a warm, enveloping blanket that can make traveling quite uncomfortable if you're not prepared for the stickiness and sweat that accompany such conditions.
In Nam Khun in May, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Nam Khun.
UV Risk Categories
Weather in Nam Khun varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Nam Khun, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (77°F) | 4 mm (0.2 inches) | 56% | very high |
| February Weather | 26°C (79°F) | 5 mm (0.2 inches) | 50% | extreme |
| March Weather | 28°C (83°F) | 38 mm (1.5 inches) | 41% | extreme |
| April Weather | 29°C (84°F) | 81 mm (3.2 inches) | 44% | extreme |
| May Weather | 28°C (83°F) | 158 mm (6.2 inches) | 71% | extreme |
| June Weather | 28°C (83°F) | 176 mm (6.9 inches) | 83% | extreme |
| July Weather | 27°C (81°F) | 237 mm (9.3 inches) | 87% | extreme |
| August Weather | 27°C (81°F) | 253 mm (10.0 inches) | 90% | extreme |
| September Weather | 27°C (81°F) | 301 mm (11.8 inches) | 89% | extreme |
| October Weather | 26°C (80°F) | 204 mm (8.0 inches) | 83% | extreme |
| November Weather | 26°C (79°F) | 72 mm (2.8 inches) | 74% | extreme |
| December Weather | 24°C (76°F) | 19 mm (0.8 inches) | 68% | very high |