Tokyo Weather in December
Japan · Humid Subtropical climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
December in Tokyo sees average temperatures ranging from a low of 2.2°C (36.0°F) to a high of 11.6°C (52.9°F), with a mean of 6.5°C (43.7°F). Compared to the annual average of 15.9°C (60.6°F), this month is 9.4°C cooler than the yearly norm. Precipitation averages 50.3mm, making it approximately 86.0mm drier than the monthly average of 137.0mm. This is the driest month of the year, with just 50.3mm of precipitation. The city receives an average of 7.8 hours of sunshine per day during December, with relative humidity averaging 67.3%. Wind speeds reach an average maximum of 21.9 km/h. Snowfall averages 0.4cm during December, which can affect travel plans and outdoor activities. For travelers, this month offers a temperature experience in Tokyo, with drier-than-average conditions compared to the rest of the year.
If you're planning outdoor activities in Tokyo, avoid June-July like the plague. The humidity is suffocating — I've hiked in 90% humidity and it's not fun. October is the sweet spot: clear skies, 18°C, low rain. For cherry blossoms, aim for the last week of March to first week of April. The data confirms what locals have always known: autumn is Tokyo's best-kept secret.
December vs Adjacent Months
| Metric | November | December | January |
|---|---|---|---|
| Mean Temp | 12.7°C (54.9°F) | 6.5°C (43.7°F) | 4.4°C (39.9°F) |
| Rainfall | 80.5mm | 50.3mm | 55.0mm |
| Sunshine | 7.6 hrs | 7.8 hrs | 7.4 hrs |
| Humidity | 73.8% | 67.3% | 65.1% |
| Wind | 22.9 km/h | 21.9 km/h | 27.3 km/h |
| Rainy Days | 10.8 | 7.6 | 9.2 |
| Snowfall | 0.0 cm | 0.4 cm | 3.8 cm |
Seasonal Context
December falls in Winter in the Northern Hemisphere. Winter is the coolest season with the shortest daylight hours. For travelers visiting Tokyo in December, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Tokyo in December?
The average temperature in Tokyo during December ranges from 2.2°C (36.0°F) to 11.6°C (52.9°F), with a mean of 6.5°C (43.7°F).
How much does it rain in Tokyo in December?
Tokyo receives an average of 50.3mm of precipitation in December, spread across approximately 7.6 rainy days. This is the driest month of the year.
What should I pack for Tokyo in December?
Based on December weather data, pack warm layers, a medium jacket, and waterproof outerwear.
Is December a good time to visit Tokyo?
December is a cooler month, suitable for travelers who prefer mild weather and fewer crowds. Pack warm layers and enjoy indoor attractions.
Other Months for Tokyo
Cities with Similar December Climate (Humid Subtropical)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 35.68°, 139.69°. Timezone: Asia/Tokyo. Last updated: 2026-07-30.