Chiang Rai

Chiang Rai Province Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Chiang Rai Province, Thailand in December.

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Chiang Rai Mae Sai Chiang Saen Golden Triangle

Are you planning a trip a to Chiang Rai Province, Thailand in December and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Chiang Rai Province in December

Chiang Rai Province, Thailand is a region in Thailand. December in Chiang Rai Province generally has warm temperatures, with precipitation levels ranging from low to moderate.

Temperatures

You can expect warm maximum daytime temperatures of around 28°C (82°F) and nighttime temperatures around 16°C (61°F) in Chiang Rai. On average, December is the month with the lowest temperatures of the year in Chiang Rai.

For specific regional insights in Chiang Rai Province, Thailand, refer to the map provided below.

Precipitation

In December, precipitation varies across different areas. From low rainfall in Thoeng with an average of 20 mm (0.8 in) to moderate rainfall in Mae Sai with 33 mm (1.3 in).

Average sunshine

Many locations offer abundant sunshine during this month. For instance, Chiang Rai enjoys approximately 253 hours of sunlight, ideal for those seeking sunny weather.

Explore Chiang Rai Province by month

Pick a month to see the average temperature, rainfall and sunshine in Chiang Rai Province — and find the best time to visit. (based on Chiang Rai)

January30°C (86°F) February33°C (91°F) March35°C (95°F) April36°C (97°F) May34°C (93°F) June33°C (91°F) This monthJuly32°C (90°F) August32°C (90°F) September32°C (90°F) October32°C (90°F) November30°C (86°F) December28°C (82°F)
Best Time to Visit Chiang Rai Province →

Best Places to Visit in Chiang Rai Province in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Chiang Rai Province.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Chiang Rai Province

What is the weather like in December for some of the most popular destinations in Chiang Rai Province, Thailand?

Temperature range in Chiang Rai Province (December)

Precipitation variation in Chiang Rai Province (December)

Chiang Rai

In December Chiang Rai generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 16°C (61°F) and low monthly rainfall. So on average the conditions are perfect that month.

« November
December
January »
November
December
January
Max temperature
30°C (86°F)
28°C (82°F)
30°C (86°F)
Min temperature
19°C (66°F)
16°C (61°F)
15°C (59°F)
Monthly sun hours
251 hours
253 hours
273 hours
Monthly rainfall
46 mm (1.8 in)
27 mm (1.1 in)
24 mm (0.9 in)
Monthly rainy days
6 days
2 days
2 days
Weather conditions
pleasant
perfect
perfect
Climate in Chiang Rai →

Mae Sai

In December Mae Sai generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« November
December
January »
November
December
January
Max temperature
29°C (84°F)
27°C (81°F)
29°C (84°F)
Min temperature
18°C (64°F)
14°C (57°F)
13°C (55°F)
Monthly sun hours
251 hours
253 hours
273 hours
Monthly rainfall
53 mm (2.1 in)
33 mm (1.3 in)
30 mm (1.2 in)
Monthly rainy days
6 days
3 days
2 days
Weather conditions
perfect
perfect
perfect
Climate in Mae Sai →

Chiang Saen

In December Chiang Saen generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 16°C (61°F) and low monthly rainfall. So on average the conditions are perfect that month.

« November
December
January »
November
December
January
Max temperature
31°C (88°F)
28°C (82°F)
29°C (84°F)
Min temperature
19°C (66°F)
16°C (61°F)
15°C (59°F)
Monthly sun hours
251 hours
253 hours
273 hours
Monthly rainfall
43 mm (1.7 in)
27 mm (1.1 in)
25 mm (1 in)
Monthly rainy days
6 days
3 days
2 days
Weather conditions
pleasant
perfect
perfect
Climate in Chiang Saen →

Golden Triangle

In December Golden Triangle generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 15°C (59°F) and low monthly rainfall. So on average the conditions are perfect that month.

« November
December
January »
November
December
January
Max temperature
30°C (86°F)
28°C (82°F)
29°C (84°F)
Min temperature
19°C (66°F)
15°C (59°F)
15°C (59°F)
Monthly sun hours
251 hours
253 hours
273 hours
Monthly rainfall
46 mm (1.8 in)
29 mm (1.1 in)
26 mm (1 in)
Monthly rainy days
6 days
3 days
2 days
Weather conditions
pleasant
perfect
perfect
Climate in Golden Triangle →

Mae Chan

In December Mae Chan generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 15°C (59°F) and low monthly rainfall. So on average the conditions are perfect that month.

« November
December
January »
November
December
January
Max temperature
30°C (86°F)
28°C (82°F)
29°C (84°F)
Min temperature
18°C (64°F)
15°C (59°F)
14°C (57°F)
Monthly sun hours
251 hours
253 hours
273 hours
Monthly rainfall
48 mm (1.9 in)
28 mm (1.1 in)
25 mm (1 in)
Monthly rainy days
6 days
3 days
2 days
Weather conditions
pleasant
perfect
perfect
Climate in Mae Chan →

Is your destination not in the list? Have a look at all destinations in Chiang Rai Province, in Thailand.

In our records: Thailand December extremes

Notable December records observed across cities in Thailand in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • Based on our data, the coldest December night in Thailand dropped to 2°C (36°F) in Chiang Rai on December 25, 1999.

Popular cities in December

Day & night temperatures, rainfall and average weather in Chiang Rai Province in December.

City Weather Day temp Night temp Rainfall
Chiang Rai 28°C (82°F) 16°C (61°F) 27 mm (1.1 in)
Mae Sai 27°C (81°F) 14°C (57°F) 33 mm (1.3 in)
Chiang Saen 28°C (82°F) 16°C (61°F) 27 mm (1.1 in)
Golden Triangle 28°C (82°F) 15°C (59°F) 29 mm (1.1 in)
Mae Chan 28°C (82°F) 15°C (59°F) 28 mm (1.1 in)
Mae Salong 27°C (81°F) 14°C (57°F) 29 mm (1.1 in)

Chiang Rai Province weather in December: frequently asked questions

What is the weather like in Chiang Rai Province, Thailand in December?

Chiang Rai Province, Thailand typically experiences perfect weather in December, part of the season. Daytime highs in Chiang Rai average around 28°C (82°F), and temperatures drop to about 16°C (61°F) at night.

What is the average temperature in Chiang Rai Province, Thailand in December?

Daytime temperatures in Chiang Rai peak at roughly 28°C (82°F) in December, dropping to about 16°C (61°F) overnight.

Does Chiang Rai Province, Thailand get a lot of rain in December?

Rain is generally moderate to light in Chiang Rai Province, Thailand during December, with Chiang Rai averaging close to 27 mm (1.1 in).

Is December a Good Time to Visit Chiang Rai Province, Thailand?

We believe that December is one of the best times to visit Chiang Rai Province, Thailand with overall perfect weather in Chiang Rai. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, the best visiting conditions can be found in December offering mostly perfect weather in Chiang Rai. In contrast, March, April, May, June, July, August and September tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Chiang Rai Province.

Weather and climate has detailed information for every country in the world. Are you going to Thailand? Get detailed historical weather averages for many cities in Thailand.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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