May · Thailand
Best time to visit Khao Sok National Park in May Weather, crowds & prices
Weather in Khao Sok National Park in May
Average temperature 27°C, 320 mm of rain, about 20 days with 6+ hours of sunshine and 86% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
4.0/10
Ranked #10 of 12 months
- Avg temp
- 27°C
- Rainfall
- 320 mm
- Humidity
- 86%
- Days with 6h+ sun
- 20
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
May in Khao Sok National Park scores 4.0/10 for nature and wildlife travel - ranked #10 of 12. Expect around 27°C, 320 mm of rain, and roughly 20 days with 6+ hours of sunshine this month.
Khao Sok is southern Thailand's ancient rainforest of Cheow Lan lake floating bungalows and hornbill calls. Best window: the drier months outside peak monsoon.
May in Khao Sok National Park — the hardest end of the year
Days in May average 27°C (81°F) and humidity near 86% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 320 mm, but with about 20 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 4/10 on the same scale — 10th of 12 months, versus 7.5/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella, footwear you can get muddy.
Expect low-season pricing, and crowds are light for this destination.
If your dates are flexible, January is materially better in Khao Sok National Park — 3.5 points higher on the same scale.
Frequently asked
- What is the weather like in Khao Sok National Park in May?
- In May, Khao Sok National Park averages 27°C, 320 mm of rain, and about 20 days with 6+ hours of sunshine. Its climate-comfort score is 4.0/10.
- Is May a good time to visit Khao Sok National Park?
- May earns a 4.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Khao Sok National Park in May?
- Expect about 320 mm of rain in May. Average humidity is 86% and there are about 20 days with 6+ hours of sunshine.
Curated in Khao Sok National Park
Tickets & experiences
Things to do in Khao Sok National Park
Khao Sok National Park, Thailand. Live activities and tours from GetYourGuide, matched to this destination.