Chiang Mai 10K

Chiang Mai, Thailand · December 20, 2026·

63°·63° high·Calm·Dry

Weather

Chiang Mai 10K race day weather

63°at start

64° high

Calm

Dry

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Comfortable temps

Starting at 63°F, heat will be a factor from the gun — go out conservative and stay on top of hydration. High humidity (91%) will make it harder to cool down through sweat — increase fluid intake accordingly.

Race day forecast available in 29 days

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Distance: 6.2mi

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About the Chiang Mai 10K

The Chiang Mai 10K starts and finishes at Tha Phae Gate and stays inside the old city and its moat. Runners pass the Three Kings Monument, the Sunday Walking Street, Wat Rajamontean and Wat Lok Moli, and go through Chang Phuak Gate, Chiang Mai Gate and Suan Dok Gate before returning to the start. The course is flat, run in the dark before sunrise past some of the city's oldest temples.

Website

Race weekend

Sunday, December 20

3:00 AMMarathon (26.2 mi)4:00 AMHalf Marathon (13.1 mi)

5:00 AM10K (6.2 mi)

5:20 AM3K Smile Run (1.9 mi)

Course Map

Chiang Mai 10K FAQ

When is the 2026 Chiang Mai 10K?

The 2026 Chiang Mai 10K will be held on Sunday December 20, 2026.

What is the time limit for the Chiang Mai 10K?

The time limit for the Chiang Mai 10K is 1.5 hours.

What will the weather be like for the 2026 Chiang Mai 10K?

The forecast calls for a high of 84°F and a low of 61°F with a 0% chance of rain. Check our detailed hourly forecast above for the best 10K race plan.

What is the weather usually like for the Chiang Mai 10K?

Over the 9 years racecast.io has race-day weather for (2016 to 2025), it averaged 65°F at the start and 65°F by a typical finish. It has not rained during race hours in any of those years.

What was the hottest Chiang Mai 10K?

Of the 9 years on record, 2022 was the warmest, reaching 73°F during race hours. The coldest start was 2017, at 57°F.

What was the windiest Chiang Mai 10K?

Of the 9 years on record, 2022 was the windiest, with wind averaging 13 mph during race hours. The calmest was 2019, at 0 mph.

Chiang Mai 10K weather history

Based on 9 years of data

Avg Temp

65°F

L:64° H:65°

RunScore

Conditions

Rain Freq

0 of 9 yrs

Wind3mph

Dew61°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Chiang Mai 10K Partly cloudy throughout the day. 2025	63°/64°	-	61°
2024 Chiang Mai 10K Partly cloudy throughout the day. 2024	64°/64°	-	61°
2023 Chiang Mai 10K Partly cloudy throughout the day. 2023	66°/66°	-	64°
2022 Chiang Mai 10K Partly cloudy throughout the day. 2022	72°/73°	-	58°
2021 Chiang Mai 10K Partly cloudy throughout the day. 2021	66°/68°	-	64°
2019 Chiang Mai 10K Clear conditions throughout the day. 2019	61°/61°	-	59°
2018 Chiang Mai 10K Partly cloudy throughout the day. 2018	63°/64°	-	63°
2017 Chiang Mai 10K Clear conditions throughout the day. 2017	57°/57°	-	54°
2016 Chiang Mai 10K Partly cloudy throughout the day. 2016	68°/68°	-	64°

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