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One page of sourced numbers per city: what a day costs, what the travel advisory says, and which months score best on the weather.

Data: GeoNames, Open-Meteo, World Bank, US State Department, UK FCDO.

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© 2026 Travel City Index. Every number on this site comes from a dataset named on the page that shows it.
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Weather and seasons in Yokohama, Japan

Best time to visit Yokohama: month-by-month weather (2026)

The highest-scoring months in Yokohama are May, Jun, Jul and Oct.

Best months

May, Jun, Jul and Oct

Peak season

May, Jun, Jul and Oct

Off season

Feb, Mar and Aug

Monthly Temperatures (°C)

Monthly Rainfall (mm)

Month-by-Month Guide

Temperature, rainfall and sunshine are measured. The visit score below is derived from those three (design spec §5.3)estimate.

Jan

Temp: 1.6°C – 10.1°C

Rain: 33mm

Sunshine: 7.8h/day

Visit score: 4.9/10

Feb

Temp: 2.6°C – 10.9°C

Rain: 55mm

Sunshine: 7.5h/day

Visit score: 3.9/10

Mar

Temp: 5.9°C – 14.5°C

Rain: 165mm

Sunshine: 7.6h/day

Visit score: 3.6/10

Apr

Temp: 11.7°C – 19.3°C

Rain: 136mm

Sunshine: 8.2h/day

Visit score: 6.7/10

May

Best

Temp: 15°C – 22.2°C

Rain: 222mm

Sunshine: 7.8h/day

Visit score: 7.2/10

Jun

Best

Temp: 19.7°C – 26.4°C

Rain: 224mm

Sunshine: 8.4h/day

Visit score: 7.3/10

Jul

Best

Temp: 24.6°C – 31.8°C

Rain: 74mm

Sunshine: 10.9h/day

Visit score: 7.6/10

Aug

Temp: 25.9°C – 32.7°C

Rain: 109mm

Sunshine: 11.2h/day

Visit score: 4.7/10

Sep

Temp: 23.2°C – 29.7°C

Rain: 174mm

Sunshine: 9.1h/day

Visit score: 5.8/10

Oct

Best

Temp: 15.7°C – 22.5°C

Rain: 147mm

Sunshine: 7.1h/day

Visit score: 7.9/10

Nov

Temp: 9.6°C – 17.2°C

Rain: 77mm

Sunshine: 7.4h/day

Visit score: 5.4/10

Dec

Temp: 4.1°C – 12.5°C

Rain: 30mm

Sunshine: 7.8h/day

Visit score: 6.4/10

When to go, and when not to

The best months to visit are May, June, July, and October, which combine some of the year's most reliable sunshine with warm, comfortable temperatures. July and October in particular stand out for pairing strong sunshine hours with pleasant highs, making them attractive windows for outdoor time in the city.

The trade-off is that these same months make up the peak season, so travelers should expect more competition for lodging and possibly higher prices. May and June also bring some of the year's heaviest rainfall, while August, though sunny, brings the highest temperatures, so travelers sensitive to heat or rain may prefer to plan around those specific months even within the broader peak season.

Season Guide

Spring

March – May

Mild temperatures and blooming gardens. A great time for sightseeing with fewer crowds than summer.

Packing tips

  • · Light layers
  • · Rain jacket
  • · Comfortable walking shoes

Summer

June – August

Warmest months with the longest days. Peak tourist season in most destinations.

Packing tips

  • · Sunscreen
  • · Hat
  • · Light clothing
  • · Refillable water bottle

Autumn

September – November

Cooling temperatures and autumn foliage. Shoulder season with good deals on accommodations.

Packing tips

  • · Medium layers
  • · Sweater
  • · Waterproof jacket

Winter

December – February

Coldest months with shorter days. Holiday markets and winter activities in many cities.

Packing tips

  • · Warm coat
  • · Scarf and gloves
  • · Thermal layers
  • · Waterproof boots

Keep reading

More on Yokohama

  • Back to Yokohama
  • Best cities to visit in May
  • Best cities to visit in June
  • Best cities to visit in July
  • Best cities to visit in October

Sources

  • GeoNames city database — CC BY 4.0, fetched September 14, 2026
  • Open-Meteo climate archive — CC BY 4.0, fetched September 21, 2026

AI-written interpretation reviewed against the data above — claude-sonnet-5, generated September 21, 2026. Every number on this page comes from a dataset named here; the formulas are public.