Temp
31° C
average
Rain
69 mm
per month
Sun
24 %
chance
Humidity
60 %
average
Weather in Chiang Mai in May
May in Chiang Mai, Thailand marks the start of the rainy season, yet often still offers plenty of warm, sunny days. Travellers can expect increased humidity compared to earlier months, with potential for rainfall that can sometimes lead to refreshing relief from the heat. Despite the rain, there are opportunities for enjoyable outdoor exploration amidst lush, verdant landscapes.
May Climate Overview
- Average Temperature: 25°C to 33°C
- Rainfall: Approximately 160 mm over 16 days
- Sunshine Hours: Around 7 hours per day
- Humidity: 75%
- Wind Speed: Gentle breeze at 5 km/h
What to Expect in May
Daytime Conditions
Daytime temperatures are often warm, reaching highs of around 33°C. The sunshine can be quite intense, so sun protection is essential. Suffusing humidity typifies the air, making it feel warmer than the actual temperature.
Rainfall Patterns
Rainfall occurs intermittently, sometimes in sudden short showers that cool the air, or longer spells in the afternoon. Despite this, the showers are usually predictable and often leave plenty of time for outdoor adventures.
Evening Conditions
Evenings tend to be more comfortable as temperatures drop to around 25°C. A light breeze often makes the air feel pleasant, allowing travellers to enjoy outdoor dining or strolls with less humidity.
Best Activities in Chiang Mai in May
- Outdoor Activities: Trekking the lush hills or exploring the vibrant night markets are excellent options during drier periods.
- Seasonal Highlights: May might coincide with some local festivals, celebrating the onset of rains which replenish the landscape.
- Water-based or Nature-based Activities: May is not always ideal for all water sports due to variable river conditions but checking local advisories can help plan them.
What to Pack for May
- Light, breathable clothing for daytime warmth and cooler evenings
- Protection from sun or rain such as a hat, sunscreen, and compact umbrella
- Comfortable footwear suitable for navigating city terrain or nature trails
- Reusable water bottle to stay hydrated