Spring (March–May): Average 48–62°F, mild climate but relatively rainy, especially in April. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, comfortable long-sleeved shirt, and rain gear are essential.
Summer (June–August): Average 69–80°F, hot and humid, with the most rainfall in June. Pay attention to heatstroke prevention. Common activities: Indoor activities, night sightseeing. Recommended clothing: Light and breathable clothing, sun hat, and sunscreen.
Autumn (September–November): Average 53–75°F, comfortable climate, gradually less rain, and a larger temperature difference between day and night. Common activities: Outdoor excursions, autumn leaves viewing (depending on the situation). Recommended clothing: Light jacket, long-sleeved shirt, and an extra layer for the morning and evening.
Winter (December–February): Average 37–42°F, cold and dry, with little rainfall. Common activities: Indoor activities, hot spring trips (requires traveling to other areas). Recommended clothing: Warm coat, sweater, scarf, and gloves.
Tachikawa climatological average
Annual average temperature: approx. 59.0°F / Annual rainfall: approx. 1653 mm / Summer humidity: 70%–80% / Rainiest month: June
Tachikawa monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
37.9°F
33.3
February
40.3°F
67.8
March
48.2°F
149
April
57.9°F
164.3
May
63.1°F
188.2
June
70.7°F
270.1
July
79.9°F
139.3
August
81.5°F
220.3
September
76.6°F
180.4
October
62.8°F
121
November
53.8°F
87.9
December
42.8°F
31.4
Tachikawa weather for the next seven days
11/4
Tuesday
Sunny
60°F/49°F
11/5
Wednesday
Sunny
63.4°F/51.2°F
11/6
Thursday
Cloudy
63.5°F/56.5°F
11/7
Friday
Sunny
67°F/53°F
11/8
Saturday
Cloudy
63.1°F/54.3°F
11/9
Sunday
Overcast
64.7°F/54.4°F
11/10
Monday
Patchy rain nearby
68°F/56.3°F
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