30YearWeather
Chiang Mai in December
Chiang Mai weather in December - Thailand
😊Warm & Pleasant

Chiang Mai Weather in December

Plan your December trip to Chiang Mai, Thailand. Based on 30 years of NASA data, expect temperatures of 27°C (high) to 17°C (low), with 4% rain probability and 8 hours of daily sunshine. Great conditions with only 0 rainy days expected.

Avg High
27°C

Hottest around day 1

Avg Low
17°C

Coolest around day 24

Rainy Days
0days

4% avg rain chance

Sunshine
8hrs/day

Winter season

Chiang Mai December Weather Calendar

Click any day to see detailed weather information

Day 1
clear-day
Sunny
28°C3%
Day 2
clear-day
Sunny
28°C5%
Day 3
clear-day
Sunny
28°C6%
Day 4
clear-day
Sunny
28°C7%
Day 5
clear-day
Sunny
28°C9%
Day 6
clear-day
Sunny
28°C10%
Day 7
clear-day
Sunny
27°C9%
Day 8
clear-day
Sunny
27°C8%
Day 9
clear-day
Sunny
27°C8%
Day 10
clear-day
Sunny
28°C5%
Day 11
clear-day
Sunny
28°C3%
Day 12
clear-day
Sunny
28°C3%
Day 13
clear-day
Sunny
28°C2%
Day 14
clear-day
Sunny
28°C3%
Day 15
clear-day
Sunny
27°C3%
Day 16
clear-day
Sunny
27°C3%
Day 17
clear-day
Sunny
27°C3%
Day 18
clear-day
Sunny
27°C3%
Day 19
clear-day
Sunny
27°C3%
Day 20
clear-day
Sunny
27°C0%
Day 21
clear-day
Sunny
27°C0%
Day 22
clear-day
Sunny
27°C0%
Day 23
clear-day
Sunny
27°C0%
Day 24
clear-day
Sunny
27°C1%
Day 25
clear-day
Sunny
27°C2%
Day 26
clear-day
Sunny
27°C2%
Day 27
clear-day
Sunny
27°C4%
Day 28
clear-day
Sunny
27°C5%
Day 29
clear-day
Sunny
27°C4%
Day 30
clear-day
Sunny
27°C4%
Day 31
clear-day
Sunny
27°C4%

Essential Travel Info for Chiang Mai

🗓️ Best Time to Visit📖 Travel Guide🍴 Food Guide

Currency

THB

฿ Thai baht

Language

Thai

Driving

Left side

Connect

Many guesthouses, hotels, cafes, bars, r...

Safety

Moderate Safety

GPI: 2.098

Travel Intelligence

Exclusive flight analytics & health data for Chiang Mai

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate
41/ 100
Traffic Index

Balanced traffic

Peak Daily Arrivals

0

slots per day

Peak

Jan

Low

Jun

Monthly Traffic Distribution

106
Jan
103
Feb
97
Mar
90
Apr
89
May
25
Jun
81
Jul
82
Aug
70
Sep
84
Oct
69
Nov
97
Dec
Traffic Level
Low Season

Key Connections

Bangkok Don Mueang (DMK)
Bangkok Suvarnabhumi (BKK)
Phuket (HKT)
Seoul Incheon (ICN)
Krabi (KBV)

Health & Safety Advisory

CDC travel health recommendations

11 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

There iselevated chikungunya riskin Thailand.Chikungunya vaccinationmay be considered for people traveling or moving to this location if they are planning to stay for an extended period of time (for example, 6 months or more).

Cholera

There is no longer active cholera transmission and vaccine is not recommended.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Thailand.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Thailand. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Thailand.

Japanese Encephalitis

Recommended for travelers whoAre moving to an area with Japanese encephalitis to liveSpend long periods of time, such as a month or more, in areas with Japanese encephalitisFrequently travel to areas with Japanese encephalitisConsider vaccination for travelersSpending less than a month in areas with Japanese encephalitis but will be doing activities that increase risk of infection, such as visiting rural areas, hiking or camping, or staying in places without air conditioning, screens, or bed netsGoing to areas with Japanese encephalitis who are uncertain of their activities or how long they will be thereNot recommended for travelers planning short-term travel to urban areas or travel to areas with no clear Japanese encephalitis season.

+5 more

Source: CDC Travelers' Health

View Complete Health Guide

Is December a Good Time to Visit Chiang Mai?

👍Solid choice for most travelers
Short Answer

Popular December in Chiang Mai offers 27°C and 4% rain chance - excellent conditions that attract maximum visitors. Book 3-6 months ahead for best rates.

Decision Factors

Vaccinations required

Yellow Fever

Peak tourist season

92% of annual peak - expect crowds and peak prices

Excellent dry conditions

Only 4% rain probability - ideal for outdoor activities

Health precautions needed

Be aware of: Leptospirosis, Melioidosis, Dengue

Plenty of sunshine

9.7h of sunshine daily

Exceptional dining scene

51 Michelin-listed restaurants

Good For

  • 👨‍👩‍👧‍👦
    Families with children

    Comfortable 27.3°C temperatures and low 4% rain risk

  • 🥾
    Outdoor enthusiasts

    Ideal hiking conditions: 27.3°C, 4% rain chance

  • 📸
    Photographers

    9.7h sunshine, 66% clear skies for golden hour shots

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💑
    Honeymoon couples

    Wedding score 100/100 with romantic weather conditions

Who Should Avoid

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

Related Guides

Best Time to VisitWhen to AvoidChiang Mai Overview
930 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Chiang Mai in December averages 27°C with 4% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Chiang Mai in December

What are the temperatures in Chiang Mai in December?

Daytime highs average 27°C, nights drop to 17°C. Temperatures remain fairly consistent.

How many rainy days in Chiang Mai in December?

Expect around 0 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Chiang Mai in December?

Comfortable casual wear with a light jacket for evenings.

Is December peak season in Chiang Mai?

This is typically peak season with higher prices. Book 2-3 months ahead.