Weather in Sapporo 🇯🇵
Monthly weather averages & travel planning
April
Avg Temp
9°C
Rain Days
12 days
Sun Hours
10 hrs
Humidity
65%
Asia › 🇯🇵 Japan › Sapporo
Updated: March 2026
Is April a Good Time to Visit Sapporo?
4/10
Fair
April is a fair time to visit Sapporo (4/10). With 10 daily sunshine hours and only 12 rain days, this month delivers genuinely reliable outdoor conditions, ranking it the sunniest month of the year in Sapporo. April suits travellers visiting for indoor culture, food, and architecture rather than outdoor activities. Pack accordingly for 12 potential rain days. May offers a similar profile at lower hotel rates if dates are flexible. The 9°C highs require proper cold-weather clothing; many visitors underestimate how far the wind chill drops the perceived temperature, particularly near water or at elevated viewpoints. Planning tips: most accommodation categories have availability, and last-minute deals are common. The quieter streets and shorter queues can make this a genuinely enjoyable time to visit for the right type of traveller. Budget-conscious visitors will find the best value of the year in this period.
vs March:2°C avg high
April sits at a particular moment in Sapporo's seasonal arc. Temperatures average 9°C during the day, placing this month in the cooler half of the annual cycle, though milder than the hardest winter months. Against the seasonal backdrop, 12 rainy days and 10 sunshine hours per day help calibrate expectations for what actually awaits on the ground.
9°C
48°F
Avg High
1°C
34°F
Avg Low
12 days
73 mm total
Rain Days
10h
per day avg
Sunshine
65%
Moderate
Humidity
Temperature in Sapporo in April
The 8°C day-night temperature range is typical for continental climates: a light jacket in the morning that you shed by midday and need again after sunset. Humidity averages 65%, which is comfortable for most visitors. On warmer days, lighter fabrics help with the mild stickiness in the afternoon. UV index averages 6 this month, classed as moderate. Sunscreen is a sensible precaution for extended outdoor time, particularly at midday. Wind averages 17 km/h, light enough to be refreshing on warm days but noticeable in open coastal areas or elevated viewpoints. In Fahrenheit: 48°F average high, 34°F overnight low. Data sourced from Open-Meteo ERA5 climate reanalysis (1991–2020 normals).
Temperature Trends
High
Low
Rainfall (mm)
0-20 mm21-50 mm51-100 mm100+ mm
What to Wear in Sapporo in April
Morning1°CBefore the day warms up
Afternoon9°CPeak daytime temperature
Evening4°CAfter sunset cools down
Packing for Sapporo in April means dressing for 9°C days and 1°C evenings. Layering is key: a thermal base, mid-layer fleece, and a windproof outer jacket for 9°C highs that feel colder in the wind. Evening temperatures settle at 1°C, a modest 8°C drop that a light cardigan or denim jacket covers. Comfortable walking trainers are the versatile choice for both outdoor sightseeing and indoor venues. A compact foldable umbrella weighs almost nothing and earns its keep across 12 potential rainy days.
Local tip: Temple and religious site visits require covered shoulders and knees in most of Sapporo's heritage areas. A lightweight scarf or sarong weighs almost nothing and solves the problem instantly.
Events in Sapporo in April
April has no major festivals or public holidays in Sapporo, which is one of its practical advantages for independent travellers. Attractions run at lower capacity than during peak event periods, queues are shorter, and accommodation is easier to find without needing to book many months in advance. Local restaurants, markets, and transport operate at a relaxed pace, making this an ideal time for visitors who prefer a more authentic, unhurried experience of everyday city life rather than large crowds drawn in by a single major headline event.
What to Pack for Sapporo in April
Based on 9°C average highs and 12 rainy days
- Warm jacket (down or fleece)
- Merino wool base layer (regulates temperature and resists odour)
- Sweaters and lined trousers
- Scarf and lightweight gloves
- Compact folding umbrella
- Waterproof outer layer or packable rain jacket
- Quick-dry clothing that recovers fast after a shower
- Comfortable walking shoes (a second pair lets the first air out overnight)
- Universal travel adapter
- Small day pack for city exploration
- Reusable water bottle
Best Activities in Sapporo in April
- Vigorous walking tour of the UNESCO heritage districtMidday (12-2pm)The 9°C peak temperature provides ideal conditions for brisk sightseeing walks
- Cycling the riverside or park circuitAfternoon (1-4pm)Cool dry air makes long cycling sessions comfortable without overheating
- Explore hilltop viewpoints and fortressesMorning for clear viewsCold-weather atmospheric clarity gives the longest sightlines of the year
- Open-air Christmas or seasonal marketsAfternoon into eveningCool temperatures make festive outdoor markets genuinely atmospheric
- Afternoon in a world-class museum or galleryAfternoon (2-5pm)Pairs well with outdoor morning activities and provides a mid-day rest from sightseeing
- Coffee-house or traditional cafe culture experienceMid-morning or post-lunchA cultural ritual in this region that rewards slow appreciation regardless of weather
- Evening live music, theatre, or opera performanceEvening shows typically at 7-9pmConsistent evening temperatures make getting to and from evening venues comfortable
- Visit the main botanical garden or city park at seasonal peakYear-round; best light in morningApril brings distinct seasonal changes to public green spaces worth exploring
- Warm up with traditional hot dishes: local stew, fondue, or braised specialities at a neighbourhood restaurantLunch (12-2pm) or dinner (7-9pm)Cold-weather cuisine is a genuine cultural experience and the best local restaurants serve their heartiest dishes in cooler months
Why is Sapporo cool in April?
April marks the transition into warmer conditions in Sapporo, as the sun angle climbs and day length extends. Temperatures averaging 9°C by day and 1°C overnight reflect a city shaking off winter: the morning air still carries a cool edge, but afternoons are noticeably warmer than even four weeks prior. At 43 degrees north latitude, spring is one of the most dynamic periods in the annual cycle, with weekly temperature changes that can be larger than the month-to-month shifts of summer. This volatility is part of the appeal: Sapporo in April has a freshness and energy that peak-summer heat tends to mute. Layers remain essential, but there are reliable pockets of warmth that reward patience. Climate data: Open-Meteo ERA5 (1991–2020).
Sunshine Hours
The average number of hours per day with direct sunlight. Calculated from satellite measurements. Days with more than 7 hours of sunshine are ideal for outdoor activities. Under 3 hours means overcast conditions dominate.
UV Index
A scale from 0-11+ measuring ultraviolet radiation intensity. UV 0-2: Minimal risk. UV 3-5: Moderate, wear sunscreen. UV 6-7: High, hat and SPF 30+ essential. UV 8-10: Very High, limit midday exposure. UV 11+: Extreme, seek shade between 10am-4pm.
Rain Days
A rain day is counted when precipitation exceeds 0.1mm. This threshold captures even light drizzle. Unlike total rainfall in mm, rain days tells you how often you might need an umbrella, which is useful for planning outdoor activities.
Humidity
Relative humidity as a percentage. Below 40%: Dry, skin and throat may feel parched. 40-60%: Comfortable, ideal for most people. 60-80%: Sticky, light breathable fabrics recommended. Above 80%: Muggy, heat feels more intense; quick-dry clothing is essential.
Frequently Asked Questions
Sapporo in April
In April, Sapporo experiences average highs of 9°C (48°F) and lows of 1°C (34°F). Expect around 12 rainy days and 10 hours of sunshine per day, with humidity averaging 65%. The 8°C gap between daytime and overnight temperatures is worth planning around: light layers work for most visitors during the day, but an extra jacket is essential for evenings. UV index averages 6, so sun protection is advisable on clear days.
Sapporo typically sees 12 rainy days in April, with total precipitation of around 73mm. Rain is moderate and manageable. Showers tend to pass quickly, and a light rain layer or foldable umbrella is sufficient protection for most days. For context, the driest month in Sapporo typically sees 4-6 fewer rain days than April.
Pack a warm jacket, sweaters, and layering pieces for Sapporo in April. Temperatures can drop to 1°C at night, so thermal underlayers are advisable for evening outings. Waterproof footwear is important with 12 rainy days expected. A scarf, hat, and gloves handle the windchill on clear cold days, which often feel colder than the thermometer reads.
April is a reasonable time to visit Sapporo. Expect 12 rainy days, so pack a light rain layer for flexibility. Average temperatures of 9°C make outdoor exploration comfortable during the dry periods. With 10 daily sunshine hours, there are reliable windows of good weather to plan outdoor activities around, even if the month is not the driest on the calendar.
The average high temperature in Sapporo in April is 9°C (48°F), and the average low is 1°C (34°F). The mean daily temperature is approximately 5°C (41°F). The day-to-night range of 8°C is moderate, meaning a single light jacket covers most situations. These are 30-year climate normals based on the 1991 to 2020 reference period; individual years will vary, particularly in transitional months like spring and autumn.
The best month to visit Sapporo is generally February. February offers the most sunshine at 8 hours per day and only 10 rainy days. Average temperatures reach -2°C, making it comfortable for sightseeing, outdoor dining, and exploring the city. If your travel dates are flexible, planning your trip around February gives you the best chance of dry, bright weather.
April is shoulder or low season in Sapporo, meaning fewer tourists and generally lower prices than peak months. With 10 sunshine hours and 12 rainy days, the weather is less of a draw for mass tourism. This is an advantage for travellers who prefer a quieter, more relaxed experience with shorter queues and easier accommodation availability.
In April, Sapporo suits a range of activities thanks to cool conditions around 9°C. Mix of indoor and outdoor activities works well given the moderate chance of rain. Top options include exploring historic neighbourhoods, visiting museums and galleries, local food markets, and day trips to surrounding areas. With 10 hours of sunshine, parks and waterfront walks are particularly enjoyable.
April ranks 1st sunniest of the year in Sapporo, with an average 10 daily sunshine hours. The driest months are February, January, and March. August is the hottest month (24°C avg high); January is the coolest (-3°C). From here, temperatures rise 7°C into May. Compared to last month (March: 2°C high, 12 rain days), April is warmer and equally dry. April is among the top three sunniest months to visit Sapporo.
Year-Round Climate
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | -3°C | -9°C | 11 | 7h | View |
| February | -2°C | -9°C | 10 | 8h | View |
| March | 2°C | -5°C | 12 | 9h | View |
| April | 9°C | 1°C | 12 | 10h | View |
| May | 16°C | 7°C | 13 | 10h | View |
| June | 20°C | 12°C | 13 | 10h | View |
| July | 23°C | 17°C | 15 | 10h | View |
| August | 24°C | 18°C | 15 | 9h | View |
| September | 21°C | 14°C | 14 | 8h | View |
| October | 15°C | 8°C | 14 | 8h | View |
| November | 7°C | 1°C | 14 | 7h | View |
| December | 0°C | -6°C | 14 | 7h | View |
January
11 rain days, 7h sun
-3°-9°
February
10 rain days, 8h sun
-2°-9°
March
12 rain days, 9h sun
2°-5°
April
12 rain days, 10h sun
9°1°
May
13 rain days, 10h sun
16°7°
June
13 rain days, 10h sun
20°12°
July
15 rain days, 10h sun
23°17°
August
15 rain days, 9h sun
24°18°
September
14 rain days, 8h sun
21°14°
October
14 rain days, 8h sun
15°8°
November
14 rain days, 7h sun
7°1°
December
14 rain days, 7h sun
0°-6°
Other Months in Sapporo
Plan Your Trip to Sapporo
Data Sources for Sapporo
Climate normals represent 30-year averages (1991-2020). Individual years may vary.