Otari Weather & Climate: Best Time to Visit
Otari, Nagano Prefecture, Japan, sees big temperature differences between seasons, with August peaking at 27°C (81°F) and January dropping to 1°C (34°F).
The city has a wet climate, receiving around 3012 mm (119 in) of rain/snowfall per year. July is the wettest month. The most sunshine falls in April, with an average of 5.9 hours of daily sunshine.
Monthly Temperature in Otari
Visitors to Otari can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 27°C (81°F) in August to a very cold 1°C (34°F) in January.
Nighttime temperatures range from 19°C (66°F) in August to -6°C (21°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Otari
Otari is known for its substantial rain/snowfall, with annual precipitation reaching 3012 mm (119 in). The seasons in Otari bring significant changes in precipitation. The wettest month, July, receives heavy rainfall, with an average of 389 mm (15 in) of precipitation. This rainfall is distributed across 22 rainy days.
In contrast, the driest month, April, experiences much less rainfall, totaling 178 mm (7 in) over 17 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Otari 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 Otari
In Otari, summer days are longer and more sunny, with daily sunshine hours peaking at 5.9 hours in April. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 2.7 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Otari 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Otari
The weather in Otari is characterized by year-round heavy rainfall, with no month offering relief from the wet conditions. All months exceed 160 mm (6.3 in) of precipitation, creating a consistently humid environment. If forced to choose, April offers the lowest rainfall at 178 mm (7 in).Embrace the wet climate by bringing proper rain gear and plan activities that are indoor. Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
