Nan Province Weather in December

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

Planning a trip to Nan Province, Thailand this December? Here's what you need to know about the weather:

What to Expect in Nan Province in December

Nan Province, Thailand is a region in Thailand. December in Nan Province generally has temperatures that range from warm to very warm, with low precipitation.

Temperatures

During the day temperatures vary from warm in Bo Kluea at 25°C (77°F) to very warm in Nan at 31°C (88°F). At night it cools down to 17°C (63°F) in Nan and 10°C (50°F) in Bo Kluea. On average, December is the month with the lowest temperatures of the year in Chiang Klang.

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

Precipitation

In December, precipitation varies across different areas. From low rainfall in Bo Kluea with an average of 10 mm (0.4 in) to low rainfall in Chiang Klang with 22 mm (0.9 in).

Explore Nan Province by month

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

Best Places to Visit in Nan Province in December

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

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 Nan Province

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

Temperature range in Nan Province (December)

Precipitation variation in Nan Province (December)

Chiang Klang

In December Chiang Klang 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
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 rainfall
40 mm (1.6 in)
22 mm (0.9 in)
20 mm (0.8 in)
Monthly rainy days
5 days
2 days
2 days
Weather conditions

Bo Kluea

In December Bo Kluea generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 10°C (50°F) and low monthly rainfall. So on average the conditions are perfect that month.

November
December
January
Max temperature
26°C (79°F)
25°C (77°F)
26°C (79°F)
Min temperature
14°C (57°F)
10°C (50°F)
10°C (50°F)
Monthly rainfall
35 mm (1.4 in)
10 mm (0.4 in)
14 mm (0.6 in)
Monthly rainy days
5 days
3 days
3 days
Weather conditions

Nan

In December Nan generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 17°C (63°F) and low monthly rainfall. So on average the conditions are perfect that month.

November
December
January
Max temperature
32°C (90°F)
31°C (88°F)
31°C (88°F)
Min temperature
20°C (68°F)
17°C (63°F)
16°C (61°F)
Monthly rainfall
26 mm (1 in)
16 mm (0.6 in)
17 mm (0.7 in)
Monthly rainy days
4 days
2 days
2 days
Weather conditions

Pua

In December Pua 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
Max temperature
30°C (86°F)
28°C (82°F)
29°C (84°F)
Min temperature
18°C (64°F)
15°C (59°F)
15°C (59°F)
Monthly rainfall
37 mm (1.5 in)
20 mm (0.8 in)
19 mm (0.7 in)
Monthly rainy days
4 days
2 days
2 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Nan 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 Nan Province in December.

City Weather Day temp Night temp Rainfall
Chiang Klang 28°C (82°F) 15°C (59°F) 22 mm (0.9 in)
Bo Kluea 25°C (77°F) 10°C (50°F) 10 mm (0.4 in)
Nan 31°C (88°F) 17°C (63°F) 16 mm (0.6 in)
Pua 28°C (82°F) 15°C (59°F) 20 mm (0.8 in)

Nan Province weather in December: frequently asked questions

What is the weather like in Nan Province, Thailand in December?

Expect perfect weather across Nan Province, Thailand in December. The popular destination of Chiang Klang averages 28°C (82°F) by day and 15°C (59°F) at night during this month.

What is the average temperature in Nan Province, Thailand in December?

In Chiang Klang, the average daytime high in December is 28°C (82°F), while nighttime temperatures drop to around 15°C (59°F).

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

Rain is generally moderate to light in Nan Province, Thailand during December, with Chiang Klang averaging close to 22 mm (0.9 in).

Is December a Good Time to Visit Nan Province, Thailand?

We believe that December is one of the best times to visit Nan Province, Thailand with overall perfect weather in Chiang Klang.

On average, the best time to visit Nan Province, Thailand is in January and December with generally perfect weather in Chiang Klang. The weather in April, May, June, July, August and September, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Nan 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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