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Japan in October: climate comparison across Sapporo, Tokyo, Osaka and Naha
Compare Sapporo, Tokyo, Osaka and Naha in October using the 2001-2025 historical series below to plan autumn layering and rail itineraries.
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Climate reference locations
These markers show locations with historical climate estimates for the surrounding area. Choose a location to see its climate table.
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Map data: Natural Earth
Location coordinates: Sapporo, Tokyo, Osaka, Naha (Wikidata, CC0).
What the October point spread means for an autumn itinerary
October marks a crisp autumn transition in northern Japan while central Honshu remains mild and Okinawa stays warm: in the 2001-2025 series, mean temperature stands at 9.2 °C in Sapporo, 18.1 °C in Tokyo, 16.3 °C in Osaka and 26.2 °C in Naha.
Mean October precipitation ranges from 3.8 mm/day in Sapporo and 4.1 mm/day in Naha to 6.2 mm/day in Osaka and 7.9 mm/day in Tokyo, reflecting early-autumn frontal and late-season tropical systems along the Pacific coast.
- Pack warm mid-layers and a jacket if your October route includes Hokkaido (Sapporo 9.2 °C mean) or high mountain valleys.
- In Tokyo (18.1 °C, 7.9 mm/day) and Osaka/Kyoto (16.3 °C, 6.2 mm/day), pair outdoor temple gardens with indoor museum and covered shopping-arcade backups.
- Check the local weather report and rail operator notices before long Shinkansen hops if a late-season low-pressure system approaches.
Sources: General Information on Climate of Japan, Tables of Climatological Normals 1991-2020
Read the local month comparison
Across the selected points, mean monthly temperature ranges from 9.2 to 26.2 °C. Mean precipitation ranges from 3.8 to 7.9 mm per day. Those ranges describe this selected point comparison, not every destination in Japan.
Use the comparison for trip planning
- Check which named point is relevant to the stops on your actual route.
- Use mean temperature as background for planning your activities. A monthly mean includes both daytime and night-time conditions.
- Keep alternatives for weather-dependent plans and check a local forecast close to departure.
- Do not infer rain hours, rainy-day counts or severe-weather risk from millimetres per day.
Source and processing
NASA POWER climatology, 2001-2025. The values are T2M (mean air temperature at two metres, °C) and PRECTOTCORR (mean corrected precipitation, mm/day). City coordinates come from Wikidata. Selection, month extraction, translation, rounding and table arrangement are changes to the original data. NASA POWER data licence: CC BY 4.0. Coordinates: CC0.
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Climate by month
These historical gridded estimates describe the area around each coordinate. They are not a forecast for a particular trip. Precipitation in millimetres per day is not a count of rainy days.
Sapporo
Reference period 2001-2025 · Coordinates (latitude, longitude) 43.0619°, 141.3544°
| Month | Mean air temperature at 2 m (°C) | Mean precipitation (mm/day) |
|---|---|---|
| October | 9.2 | 3.8 |
Tokyo
Reference period 2001-2025 · Coordinates (latitude, longitude) 35.6894°, 139.6917°
| Month | Mean air temperature at 2 m (°C) | Mean precipitation (mm/day) |
|---|---|---|
| October | 18.1 | 7.9 |
Osaka
Reference period 2001-2025 · Coordinates (latitude, longitude) 34.6938°, 135.5021°
| Month | Mean air temperature at 2 m (°C) | Mean precipitation (mm/day) |
|---|---|---|
| October | 16.3 | 6.2 |
Naha
Reference period 2001-2025 · Coordinates (latitude, longitude) 26.2122°, 127.6792°
| Month | Mean air temperature at 2 m (°C) | Mean precipitation (mm/day) |
|---|---|---|
| October | 26.2 | 4.1 |
Sources
- General Information on Climate of Japan (Japan Meteorological Agency). Accessed
- Tables of Climatological Normals 1991-2020 (Japan Meteorological Agency). Accessed
- NASA POWER Climatology API (NASA POWER). Accessed
- NASA POWER temporal data processing (NASA POWER). Accessed
- NASA POWER dataset and data licence (NASA / Registry of Open Data on AWS). Accessed
- Wikidata structured-data licensing (Wikimedia). Accessed
- Sapporo coordinate record (Wikidata). Accessed
- Tokyo coordinate record (Wikidata). Accessed
- Osaka coordinate record (Wikidata). Accessed
- Naha coordinate record (Wikidata). Accessed