Tsukuba Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Tsukuba.
Climate overview of Tsukuba
Tsukuba, Ibaraki, Japan, sees big temperature differences between seasons, with August peaking at 32°C (90°F) and January dropping to 10°C (50°F).
The city has a wet climate, receiving around 1466 mm (58 in) of rain/snowfall per year. Despite the high annual total, it has very warm summers and cold winters. October is the wettest month. The sunniest month is January, with 6.7 hours of sunshine per day on average.
Tsukuba Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Tsukuba - and find the best time to visit.
Monthly Temperature in Tsukuba
Visitors to Tsukuba can expect significant temperature changes throughout the year. On average, daytime temperatures range from a very warm 32°C (90°F) in August to a chilly 10°C (50°F) in January.
Nighttime temperatures range from 24°C (75°F) in August to 0°C (32°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Tsukuba
Tsukuba is known for its substantial rain/snowfall, with annual precipitation reaching 1466 mm (58 in). The seasons in Tsukuba bring significant changes in precipitation. The wettest month, October, receives heavy rainfall, with an average of 186 mm (7.3 in) of precipitation. This rainfall is distributed across 15 rainy days.
In contrast, the driest month, December, experiences much less rainfall, totaling 58 mm (2.3 in) over 8 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Tsukuba 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 Tsukuba
Tsukuba enjoys sunny spells year-round. January sees up to 6.7 hours of daily sunshine, perfect for a sunny trip. June, the least sunny month, still offers a generous 4.2 hours of sun despite this cloudier time of the year.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Tsukuba
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May and June
- Warmest weather: July and August
- Most sunshine: January
- Fewest rainy days: January and December
- Seasonal pattern: Very warm summers and cold winters
Frequently asked questions about the climate in Tsukuba
What is the best time to visit Tsukuba?
May and June typically offer the most optimal weather in Tsukuba. In contrast, January tends to have less optimal conditions. Tsukuba has very warm summers and cold winters.
What temperatures can I expect in Tsukuba?
Daytime highs range from 10°C (50°F) in January to 32°C (90°F) in August. Nighttime lows range from 0°C (32°F) to 24°C (75°F). Temperatures vary considerably through the year.
How much rain does Tsukuba get?
Annual rainfall is around 1466 mm (58 in). October is the wettest month with 186 mm (7.3 in), while December is the driest with 58 mm (2.3 in).
How sunny is Tsukuba?
Tsukuba receives around 2,031 hours of sunshine per year. January is the sunniest month with 202 hours, while June is the cloudiest with just 127 hours. Overall, Tsukuba enjoys abundant sunshine.
Tsukuba 3-Day Forecast
Tsukuba on the map
Tsukuba is highlighted - select any city to see its climate.
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