Wakayama Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Wakayama, Japan in December.

Planning a trip to Wakayama, Japan this December? Here's what you need to know about the weather:

What to Expect in Wakayama in December

Wakayama, Japan is a region in Japan. December in Wakayama generally has temperatures that range from cold to mild, with precipitation levels ranging from moderate to high. The month of December is in the winter season.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is cold in Koyasan at 11°C (52°F) to mild in Taiji at 15°C (59°F). Nighttime temperatures generally drop to 9°C (48°F) in Taiji and 2°C (36°F) in Koyasan.

To learn more about the conditions in specific areas of Wakayama, Japan, check out the map below.

Precipitation

In December, precipitation varies across different areas. From moderate rainfall in Koyasan with an average of 91 mm (3.6 in) to high rainfall in Taiji with 104 mm (4.1 in). Going by our weather data, this month in Shirahama usually has the least rain, making it the driest month of the year.

Average sunshine

Sunshine levels are moderate in most locations. Shirahama typically sees 134 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.

Explore Wakayama by month

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

Best Places to Visit in Wakayama in December

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

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 Wakayama

What is the weather like in December for some of the most popular destinations in Wakayama, Japan?

Temperature range in Wakayama (December)

Precipitation variation in Wakayama (December)

Shirahama

In December Shirahama generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 8°C (46°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

November
December
January
Max temperature
19°C (66°F)
14°C (57°F)
11°C (52°F)
Min temperature
13°C (55°F)
8°C (46°F)
6°C (43°F)
Monthly sun hours
142 hours
134 hours
137 hours
Monthly rainfall
136 mm (5.4 in)
104 mm (4.1 in)
104 mm (4.1 in)
Monthly rainy days
13 days
12 days
14 days
Weather conditions

Wakayama

In December Wakayama generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around 7°C (45°F) and moderate monthly rainfall. So on average the conditions are unpleasant that month.

November
December
January
Max temperature
18°C (64°F)
13°C (55°F)
11°C (52°F)
Min temperature
11°C (52°F)
7°C (45°F)
4°C (39°F)
Monthly sun hours
142 hours
134 hours
137 hours
Monthly rainfall
103 mm (4.1 in)
97 mm (3.8 in)
95 mm (3.7 in)
Monthly rainy days
13 days
14 days
16 days
Weather conditions

Koyasan

In December Koyasan generally has low temperatures with maximum daytime temperatures around 11°C (52°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are unpleasant that month.

November
December
January
Max temperature
17°C (63°F)
11°C (52°F)
8°C (46°F)
Min temperature
6°C (43°F)
2°C (36°F)
-1°C (30°F)
Monthly sun hours
142 hours
134 hours
137 hours
Monthly rainfall
107 mm (4.2 in)
91 mm (3.6 in)
91 mm (3.6 in)
Monthly rainy days
13 days
14 days
17 days
Weather conditions

Katsuura

In December Katsuura generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 8°C (46°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

November
December
January
Max temperature
19°C (66°F)
14°C (57°F)
12°C (54°F)
Min temperature
13°C (55°F)
8°C (46°F)
6°C (43°F)
Monthly rainfall
159 mm (6.3 in)
103 mm (4.1 in)
104 mm (4.1 in)
Monthly rainy days
13 days
12 days
13 days
Weather conditions

Tanabe

In December Tanabe generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around 7°C (45°F) and high monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
18°C (64°F)
13°C (55°F)
11°C (52°F)
Min temperature
12°C (54°F)
7°C (45°F)
5°C (41°F)
Monthly sun hours
142 hours
134 hours
137 hours
Monthly rainfall
132 mm (5.2 in)
101 mm (4 in)
101 mm (4 in)
Monthly rainy days
13 days
12 days
14 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Wakayama, in Japan.

Popular cities in December

Day & night temperatures, rainfall and average weather in Wakayama in December.

City Weather Day temp Night temp Rainfall
Shirahama 14°C (57°F) 8°C (46°F) 104 mm (4.1 in)
Wakayama 13°C (55°F) 7°C (45°F) 97 mm (3.8 in)
Koyasan 11°C (52°F) 2°C (36°F) 91 mm (3.6 in)
Katsuura 14°C (57°F) 8°C (46°F) 103 mm (4.1 in)
Tanabe 13°C (55°F) 7°C (45°F) 101 mm (4 in)
Hongu 12°C (54°F) 4°C (39°F) 95 mm (3.7 in)

Wakayama weather in December: frequently asked questions

What is the weather like in Wakayama, Japan in December?

Expect unpleasant weather across Wakayama, Japan in December. The popular destination of Shirahama averages 14°C (57°F) by day and 8°C (46°F) at night during this winter month.

What is the average temperature in Wakayama, Japan in December?

Average temperatures in Wakayama, Japan during December range from a nighttime low near 8°C (46°F) to a daytime high around 14°C (57°F) in Shirahama.

Does Wakayama, Japan get a lot of rain in December?

Shirahama typically receives notable rainfall in December, about 104 mm (4.1 in) on average across Wakayama, Japan.

Is December a Good Time to Visit Wakayama, Japan?

Given the typically unpleasant weather conditions in Shirahama, December may not be the ideal time to visit Wakayama, Japan.

Generally speaking, April, May and November provide tolerable weather in Shirahama. On the other hand, the months of January, February, June and July tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Wakayama.

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

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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Need travel inspiration? Check out our bucket list articles and be inspired.