Chiang Rai
Thailand
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Chiang Rai, Thailand

The White Temple of Wat Rong Khun with a waterfront fishpond in Chiang Rai, Thailand, on a beautiful cloudy day panorama
The White Temple of Wat Rong Khun with a waterfront fishpond in Chiang Rai, Thailand, on a beautiful cloudy day panorama
  • Average high temperature in May: 33.1°C

The warmest month (with the highest average high temperature) is April (34.8°C).
The month with the lowest average high temperature is December (27.2°C).

  • Average low temperature in May: 22.5°C

The month with the highest average low temperature is June (23.6°C).
The coldest month (with the lowest average low temperature) is January (12.8°C).

  • Average humidity in May: 76%

The month with the highest relative humidity is August (84%).
The month with the lowest relative humidity is March (62%).

  • Average rainfall in May: 213.4mm

The wettest month (with the highest rainfall) is August (358.4mm).
The driest month (with the lowest rainfall) is January (7.5mm).

  • Average rainfall days in May: 17 days

The month with the highest number of rainy days is August (24 days).
The month with the lowest number of rainy days is February (1 days).

  • Average daylight in May: 13.1h

The month with the longest days is June (Average daylight: 13.3h).
The month with shortest days is December (Average daylight: 10.9h).

  • Average sunshine in May: 7h

The month with most sunshine is February (Average sunshine: 9h).
Months with least sunshine are June, July and August (Average sunshine: 5).

  • Average UV index in May: 12

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 7).

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