ClimateSearch

Sapporo, Japan

2.0M people · 26 m elevation · Köppen Dfa · Northern Hemisphere

Every month in detail

Thirty-year averages for each calendar month.

Monthly climate normals. Values shown as an em dash are missing from the source data.
MonthJanFebMarAprMayJunJulAugSepOctNovDec
Average high26°F (-3°C)28°F (-2°C)35°F (2°C)49°F (9°C)60°F (16°C)67°F (20°C)74°F (23°C)76°F (24°C)69°F (21°C)58°F (15°C)45°F (7°C)31°F (0°C)
Average low15°F (-9°C)15°F (-9°C)22°F (-6°C)32°F (0°C)44°F (6°C)53°F (12°C)62°F (16°C)64°F (18°C)57°F (14°C)45°F (7°C)33°F (1°C)22°F (-6°C)
Dew point15°F (-9°C)15°F (-9°C)22°F (-5°C)33°F (0°C)45°F (7°C)55°F (13°C)62°F (17°C)65°F (18°C)57°F (14°C)45°F (7°C)32°F (0°C)20°F (-6°C)
Rainfall2.1 in (53 mm)1.9 in (49 mm)2.5 in (64 mm)2.9 in (73 mm)3.7 in (94 mm)3.5 in (89 mm)5.3 in (134 mm)7.5 in (189 mm)6.1 in (155 mm)4 in (102 mm)3.5 in (88 mm)2.9 in (74 mm)
Rainy days111012121312141415141413
Snowfall16.9 in (42.8 cm)14.5 in (36.9 cm)14 in (35.5 cm)5.3 in (13.4 cm)0.4 in (1.1 cm)0 in (0 cm)0 in (0 cm)0 in (0 cm)0 in (0 cm)0.7 in (1.7 cm)7.4 in (18.7 cm)18.3 in (46.4 cm)
Sunshine220 h234 h288 h298 h305 h305 h297 h278 h255 h257 h209 h206 h

Scroll the table sideways for all twelve months.

Projected change, 2031–2050

Model projection, not an observation

How this city’s climate may change, measured against the same models’ own 1995–2014 output. Nothing here affects the match score above.

Change in summer afternoon highs

+2.6°F (+1.5°C)

Models range from +1.9°F (+1.1°C) to +3.1°F (+1.7°C)

Days above 90°F (32°C) a year

Too few hot days today to project a reliable change

Warming by month
  • January: +2.7°F (+1.5°C)
  • February: +3.0°F (+1.6°C)
  • March: +2.5°F (+1.4°C)
  • April: +2.8°F (+1.6°C)
  • May: +2.1°F (+1.2°C)
  • June: +2.1°F (+1.2°C)
  • July: +2.7°F (+1.5°C)
  • August: +3.0°F (+1.7°C)
  • September: +3.5°F (+1.9°C)
  • October: +2.6°F (+1.5°C)
  • November: +2.9°F (+1.6°C)
  • December: +2.6°F (+1.5°C)
Scenario
SSP5-8.5 (high emissions)
Models
4 · CMIP6 HighResMIP, downscaled

This is a high-emissions pathway — the upper end of plausible futures, not a central estimate. Changes are measured by each model against its own past output and then applied to the observed record, which cancels each model’s bias but not the genuine uncertainty about how much warming occurs. Where the models disagree widely, the range above is the honest answer.