Tateyama Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Tateyama.
Climate overview of Tateyama
Tateyama, Japan, sees big temperature differences between seasons, with August peaking at 28°C (82°F) and January dropping to 12°C (54°F).
With around 1920 mm (76 in) of annual rainfall, Tateyama has a notably wet climate. However, this rainfall is not evenly distributed, the city has warm summers and mild winters. The wettest month is October. The sunniest month is August, with 6.9 hours of sunshine per day on average.
Tateyama Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Tateyama - and find the best time to visit.
Monthly Temperature in Tateyama
Visitors to Tateyama can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 28°C (82°F) in August. In January, the coolest month of the year, temperatures drop to a moderate 12°C (54°F).
At night, temperatures range from around 25°C (77°F) in August to 7°C (45°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Tateyama
Tateyama is known for its substantial rainfall, with annual precipitation reaching 1920 mm (76 in). Tateyama can be quite wet during October, receiving approximately 249 mm (9.8 in) of precipitation over 18 rainy days.
In contrast, during the driest month (December), you will experience much drier conditions, with 99 mm (3.9 in) of precipitation spread across 12 rainy days. For more details, please visit our Tateyama Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Tateyama
Tateyama experiences moderate variation in sunshine hours across the seasons. With 6.9 hours daily sunshine in August, it dips to 4.4 hours in September, offering a balanced mix of sunny and overcast days.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Tateyama by Month
The relative humidity is high throughout the year in Tateyama.
The city experiences its highest humidity in June, reaching 78%. In January, the humidity drops to its lowest level at 54%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Tateyama
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, July and August
- Warmest weather: August and September
- Most sunshine: August
- Fewer rainy days: January, February, August, November and December
- Seasonal pattern: Warm summers and mild winters
Frequently asked questions about the climate in Tateyama
What is the best time to visit Tateyama?
May, July and August typically offer the most optimal weather in Tateyama. In contrast, January and February tend to have less optimal conditions. Tateyama has warm summers and mild winters.
What temperatures can I expect in Tateyama?
Daytime highs range from 12°C (54°F) in January to 28°C (82°F) in August. Nighttime lows range from 7°C (45°F) to 25°C (77°F). Temperatures vary considerably through the year.
How much rain does Tateyama get?
Annual rainfall is around 1920 mm (76 in). October is the wettest month with 249 mm (9.8 in), while December is the driest with 99 mm (3.9 in).
How sunny is Tateyama?
Tateyama receives around 1,973 hours of sunshine per year. August is the sunniest month with 208 hours, while September is the cloudiest with just 131 hours.
Tateyama 3-Day Forecast
Tateyama on the map
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