Global CityIntelligence

Climate

Climate in Sapporo

Sapporo, Japan has a humid subtropical climate. The annual average temperature is about 15.6°C and the city receives roughly 1500 mm of precipitation across 168 rainy days a year, with around 944 hours of sunshine. The warmest month is Jul (highs near 27°C) and the coldest is Jan (lows near 4.1°C). These are deterministic, latitude- and region-based planning estimates — not a forecast or measured station data; check current conditions with an official meteorological service before travel.

Climate zone
Humid Subtropical
Comfort score
69/100

Climate overview

Sapporo, Japan has a humid subtropical climate. The annual average temperature is about 15.6°C and the city receives roughly 1500 mm of precipitation across 168 rainy days a year, with around 944 hours of sunshine. The warmest month is Jul (highs near 27°C) and the coldest is Jan (lows near 4.1°C). These are deterministic, latitude- and region-based planning estimates — not a forecast or measured station data; check current conditions with an official meteorological service before travel.

Data year 2025; last updated 2026-05-16.

Climate zone

Köppen-style classification derived deterministically from latitude and regional precipitation regime.

Climate zone

Sapporo is classified as Humid Subtropical. This reflects its annual temperature range and the seasonal pattern of its rainfall.

Average temperatures

Annual averages and seasonal extremes.

Average temperatures

  • Annual average15.6°C
  • Warmest monthJul (27°C)
  • Coldest monthJan (4.1°C)
  • Comfort score69/100

Rainfall overview

Annual precipitation and how it is distributed across the year.

Rainfall overview

Sapporo receives about 1500 mm of precipitation a year over roughly 168 rainy days. The wettest month is Jul and the driest is Jan.

Sunshine overview

Estimated annual sunshine and its seasonal pattern.

Sunshine overview

Sapporo sees an estimated 944 hours of sunshine a year, concentrated in the warmer months around Jul.

Monthly climate table

Month-by-month estimates of temperature, rainfall, rainy days, and sunshine.

Monthly climate table

Sapporo monthly climate table
MonthHighLowRainRainy DaysSunshine
Jan13.1°C4.1°C96 mm1183 h
Feb14°C5°C96 mm1188 h
Mar16.6°C7.6°C122 mm1472 h
Apr20.1°C11.1°C122 mm1483 h
May23.6°C14.6°C141 mm1671 h
Jun26.1°C17.1°C147 mm1677 h
Jul27°C18°C160 mm1853 h
Aug26.1°C17.1°C154 mm1765 h
Sep23.6°C14.6°C141 mm1671 h
Oct20.1°C11.1°C115 mm1394 h
Nov16.6°C7.6°C103 mm1199 h
Dec14°C5°C103 mm1188 h

Best months to visit

Months with the mildest temperatures and lower rainfall, by the deterministic comfort heuristic. Not a tourism ranking.

Best months to visit

By temperature and rainfall, the most comfortable months in Sapporo are Oct, May, Sep. Conditions vary year to year — verify with a current forecast before booking.

Seasonal summary

Average conditions by season.

Seasonal summary

  • Winter

    14°C / 5°C

    295 mm rain

  • Spring

    20°C / 11°C

    385 mm rain

  • Summer

    26°C / 17°C

    461 mm rain

  • Autumn

    20°C / 11°C

    359 mm rain

Climate comfort score

A 0–100 composite of temperature balance, rainfall, sunshine, seasonality, and winter/summer extremes; higher means more comfortable. Used consistently across the platform.

Climate comfort score

Sapporo has a climate comfort score of 69/100, a comfortable year-round climate by this measure. The score weights mild temperatures most, then rainfall balance, sunshine, low seasonality, and the absence of extreme winter cold or summer heat.

Continue exploring

Continue researching this city across the platform's other planning surfaces.

Continue exploring