- Climate Type
- Humid subtropical with four distinct seasons
Updated July 2026 · Sources cited: weather-and-climate.com, weather-atlas.com
Good to know
Good to Know
- April and May, plus October and November, offer the most comfortable conditions for outdoor activities.
- Rainy season (tsuyu) from early June through mid-July is consistently gray and wet; plan indoor activities or pack umbrellas.
- Typhoon season July–October brings sudden heavy downpours; monitor forecasts if traveling during these months.
- Despite cold winters (0–10°C (32–50°F)), Tokyo rarely gets snow and heating is widespread indoors; layer clothing for temperature swings.
- Summer regularly exceeds 35°C (95°F) in recent years due to urban heat island effect; air conditioning is essential.
- Cherry blossom peak is around March 30; exact dates vary by 1–2 weeks year to year.
- If visiting for snow, January and February offer the best chance, though there's no guarantee.
Best Months
April
- Reason
- Cherry blossoms bloom; mild temperatures; low rainfall
May
- Reason
- Comfortable temperatures; lush vegetation; low rainfall
October
- Reason
- Crisp air; autumn foliage; comfortable temperatures
November
- Reason
- Mild and pleasant; low humidity; autumn colors
Worst Months
June
- Reason
- Rainy season (tsuyu) from early June to mid-July; humid; overcast
July
- Reason
- Peak humidity (81-82%); heavy rainfall; typhoon season begins
August
- Reason
- Hottest month; oppressive humidity; typhoon activity
September
- Reason
- Typhoon season peak; high rainfall; lingering summer heat
Humidity
- Lowest
- 59% in January (winter)
- Highest
- 77% in July (peak summer)
- Note
- High humidity year-round (59–77%); particularly oppressive June–July
Rainfall
- Annual Mm
- 1600
- Driest Month
- December (61 mm / 2.4 in)
- Annual Inches
- 63
- Driest Period
- December–February
- Wettest Month
- October (189 mm / 7.4 in)
- Wettest Period
- September–October (typhoon + autumn rains)
Snowfall
- Months
- Mainly January and February; December rarely sees snow
- Frequency
- Sporadic; occurs on average 1–3 days per winter, with 2–4 inches (5–10 cm) annual total
- Characteristics
- Light dusting typical; occasionally heavy but unpredictable; can disrupt public transport despite rarity
- Note
- No snowfall recorded in 3 of the last 10 years; heavy snow (e.g., January 2022) is exceptional
Climate Type
Humid subtropical with four distinct seasons
Peak Temperature Range
- Season
- Summer (June–August)
- Low Celsius
- 25
- High Celsius
- 31
- Low Fahrenheit
- 77
- High Fahrenheit
- 88
- Note
- August averages 26.5–31°C (79.7–87.8°F); can exceed 35°C (95°F) during heat waves
Off Peak Temperature Range
- Season
- Winter (December–February)
- Low Celsius
- 0
- High Celsius
- 9
- Low Fahrenheit
- 32
- High Fahrenheit
- 48
- Note
- Ranges 0–10°C (32–50°F); January is coldest at 2.8–8.9°C (37–48°F)
AI-generated estimateData refreshed July 2026
Sources cited for this category
These are the sources cited in this climate & weather research for this city. Individual figures may not each trace to one of them.
More About Tokyo
Data last updated July 2026 · Verify anything important.