ClimateForecastDecemberJanuary >>

Tachikawa Climate by Month

The temperature in Tachikawa can vary quite a bit throughout the year. Temperatures can be very warm during the warmest months, and cold during the cooler months. It also has a relatively rain/snowy climate with high levels of precipitation. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

Visitors to Tachikawa can expect significant temperature changes throughout the year. On average, daytime temperatures range from a very warm 31°C in August to a chilly 9°C in January. Nighttime temperatures can drop, with averages reaching -1°C in January.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Tachikawa is known for its substantial rain/snowfall, with annual precipitation reaching 1806 mm. The seasons in Tachikawa, bring significant changes in precipitation. The wettest month, September, receives heavy rainfall, with an average of 237 mm of precipitation. This rainfall is distributed across 19 rainy days.

In contrast, the driest month, December, experiences much less rainfall, totaling 67 mm over 7 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Tachikawa 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.

Monthly hours of sunshine

Data from: Saitama, Japan (26 KM, 16 Miles).

Daily hours of sunshine

Data from: Saitama, Japan (26 KM, 16 Miles).

The best time of year to visit Tachikawa in Japan

During the months of May, June and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Tachikawa?
    The hottest season / summer takes place in June, July, August and September.
  • When is the rainy season in Tachikawa?
    Rainy season in Tachikawa occurs in the months of May, June, July, August, September and October.
  • Which is the warmest month in Tachikawa?
    August has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in Tachikawa?
    The coldest month is January with an average maximum temperature of 9°C.
  • Which is the wettest month in Tachikawa?
    September tops the wettest month list with 237 mm of rainfall.
  • Which is the driest month in Tachikawa?
    December is the driest month with 67 mm of precipitation.
  • Which is the sunniest month in Tachikawa?
    January is the sunniest month with an average of 202 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Tachikawa

    Thu   Dec 12
    10°C | 0°C
    NE 11 km/h
    almost clear and no rain

    almost clear and no rain

    Fri   Dec 13
    9°C | -1°C
    E 7 km/h
    broken clouds and no rain

    broken clouds and no rain

    Sat   Dec 14
    10°C | 0°C
    N 14 km/h
    almost clear and no rain

    almost clear and no rain