Yamato Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Yamato.
Climate overview of Yamato
Yamato, located in the Amami Islands of Japan, experiences a noticeable range in temperatures throughout the year. Summers can be very warm, while winters bring cooler, sometimes chilly conditions. The area receives a high amount of precipitation, contributing to its subtropical environment. Known for its natural beauty and slower pace, Yamato appeals to those seeking a peaceful island atmosphere away from Japan’s busy urban centers. Let’s break down all the climate details for a clearer picture.
Yamato Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Yamato — and find the best time to visit.
Monthly Temperature in Yamato
Visitors to Yamato can expect significant temperature changes throughout the year. On average, daytime temperatures range from a very warm 30°C (86°F) in August to a chilly 10°C (50°F) in January.
Nighttime temperatures range from 24°C (75°F) in August to 2°C (36°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Yamato
Yamato is known for its substantial rain/snowfall, with annual precipitation reaching 1718 mm (68 in). The seasons in Yamato bring significant changes in precipitation. The wettest month, September, receives heavy rainfall, with an average of 217 mm (8.5 in) of precipitation. This rainfall is distributed across 19 rainy days.
In contrast, the driest month, December, experiences much less rainfall, totaling 71 mm (2.8 in) over 9 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Yamato 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 Yamato
Yamato enjoys sunny spells year-round. August sees up to 6.9 hours of daily sunshine, perfect for a sunny trip. September, the least sunny month, still offers a generous 4.4 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
Humidity in Yamato by Month
The relative humidity is high throughout the year in Yamato.
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 Yamato
The weather does bring rainfall during this period, between 104 mm (4.1 in) and 147 mm (5.8 in).
Plan accordingly for June, July, September and October, when conditions bring the heaviest precipitation. Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.
Frequently asked questions about the climate in Yamato
What is the best time to visit Yamato?
May and July typically offer the most optimal weather in Yamato. In contrast, January tends to have less optimal conditions.
What temperatures can I expect in Yamato?
Daytime highs range from 10°C (50°F) in January to 30°C (86°F) in August. Nighttime lows range from 2°C (36°F) to 24°C (75°F). Temperatures vary considerably through the year.
How much rain does Yamato get?
Annual rainfall is around 1718 mm (68 in). September is the wettest month with 217 mm (8.5 in), while December is the driest with 71 mm (2.8 in).
How sunny is Yamato?
Yamato 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.
Yamato 3-Day Forecast
Yamato 3-Day Forecast
Yamato on the map
Yamato is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Osaka
32°C (90°F) Tokyo30°C (86°F) Naha
30°C (86°F) Kyoto31°C (88°F) Hakone28°C (82°F) Hakuba26°C (79°F) Sapporo24°C (75°F) Niseko24°C (75°F) 
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