Sapporo, Japan Weather
Sapporo hourly forecast: next 24 hours
Today's high of 74°F (23°C) is about 3°F (2°C) below the typical July high of 77°F (25°C).
Current conditions in detail
Sapporo weather tomorrow (Sunday, July 19)
Tomorrow in Sapporo looks fog, with a high of 70° and an overnight low of 66°. There is a 95% chance of rain - plan accordingly. Winds top out near 13 mph, and the UV index reaches 1 (low).
Sapporo 14-day forecast
About the weather in Sapporo
Sapporo has a humid continental climate, marked by warm summers and cold, often snowy winters. Average daytime highs range from about 28°F (-2°C) in January to around 78°F (25°C) in August, and the city records roughly 167 days of measurable precipitation a year.
Sapporo weather: quick facts
- Hottest month: August - highs near 78°F (25°C)
- Coldest month: January - highs near 28°F (-2°C)
- Record high: 92°F (33°C) · Record low: -6°F (-21°C) (2015–2024)
- Wettest month: August (15 rainy days) · Sunniest: July (10.4 h sun/day)
- Climate type: humid continental - warm summers and cold, often snowy winters
- Snow: about 56 days a year
Temperatures through the year
The warmest stretch of the year centers on August. Highs average 78°F (25°C) and overnight lows stay near 65°F (18°C). The coolest month is January, with typical highs of 28°F (-2°C) and lows around 16°F (-9°C). Based on 2015–2024 weather data, temperatures have reached as high as 92°F (33°C) and dropped as low as -6°F (-21°C).
Rain, sun and snow
August is usually the wettest month. It brings about 7.3 inches (186 mm) of rain over 15 days, while February is the driest. July brings the most sunshine, averaging 10.4 hours of sun a day. Snow falls on about 56 days in a typical year, mostly from November through April.
Season by season
Spring (March through May)
Spring in Sapporo is chilly, with daytime highs averaging 52°F (11°C) and nights around 35°F (2°C); expect showers on roughly 36 days across the season, plus around 9 snowy days.
Summer (June through August)
Summer in Sapporo brings comfortable warmth, with daytime highs averaging 74°F (23°C) and nights around 61°F (16°C); expect showers on roughly 40 days across the season.
Fall (September through November)
Fall in Sapporo is mild, with daytime highs averaging 59°F (15°C) and nights around 45°F (7°C); expect showers on roughly 42 days across the season, plus around 6 snowy days.
Winter (December through February)
Winter in Sapporo brings deep cold, with daytime highs averaging 30°F (-1°C) and nights around 18°F (-8°C); expect showers on roughly 49 days across the season, plus around 41 snowy days. Wind makes those temperatures feel harsher than they sound - pair the forecast winds with the wind speed converter to judge conditions on exposed skin.
Average temperatures in Sapporo by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 28° | 16° | 16 | 2.7 in | 6.1 h/day | 77% |
| February | 29° | 17° | 16 | 2.6 in | 7.3 h/day | 76% |
| March | 39° | 24° | 12 | 2.9 in | 8.6 h/day | 77% |
| April | 53° | 35° | 12 | 3.1 in | 9.6 h/day | 71% |
| May | 63° | 46° | 12 | 3.6 in | 9.9 h/day | 75% |
| June | 68° | 54° | 13 | 4.6 in | 10.0 h/day | 81% |
| July | 77° | 63° | 12 | 4.8 in | 10.4 h/day | 83% |
| August | 78° | 65° | 15 | 7.3 in | 9.3 h/day | 83% |
| September | 71° | 57° | 12 | 4.8 in | 8.8 h/day | 79% |
| October | 60° | 44° | 14 | 4.5 in | 8.1 h/day | 75% |
| November | 46° | 33° | 17 | 4.5 in | 6.3 h/day | 74% |
| December | 32° | 21° | 17 | 3.2 in | 5.8 h/day | 75% |