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Sapporo in May: Weather, Average temperature and Climate

Discover the weather for Sapporo in May and if it’s a good time to travel (based on historical data).
Check flight prices to Sapporo on Avionero:
May

Weather in Sapporo in May 2026

Good Weather
Mild
🌧️
Rainy
Weather for Sapporo in May is typically good with an average maximum temperature of +17°C during the day, and approximately 3 sunny days monthly. Typically, there are about 18 rainy days with the total average precipitation that falls in May around 89 mm. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+17°C
Avg. max. temperature
0°C
Min.
+32°C
Max.
89 mm
Total precipitation
71%
Avg. humidity
3 m/s
Avg. wind
3 ☀️
Sunny Days
10 ⛅️
Cloudy
18 🌦
Rainy
Our opinion: Sapporo has good weather in May.

Average temperature in Sapporo in May

Here are the expected maximum, average and minimum temperatures in Sapporo for May based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in May is +18°C with a maximum of +27°C and a minimum of +2°C.

The average maximum temperature goes up 4% by the end of the month, compared with the beginning of the month, from +17°C to +18°C.

Is Sapporo warm or cold in May?

Sapporo is typically mild in May.

Maximum temperatures go up compared to the previous month from +11°C to +17°C. The minimum temperature also goes up from +3°C to +8°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how May is compared to other months in Sapporo:

Climate in Sapporo in May

Sapporo weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+11°C+17°C+21°C
Min. temperature
-8°C0°C+4°C
Max. temperature
+27°C+32°C+32°C
Rainfall
68 mm89 mm89 mm
Wind
4 m/s3 m/s3 m/s
Humidity
67%71%77%
Air pressure
1012 HPa1010 HPa1009 HPa
Sunny days
331
Cloudy days
101011
Rainy days
141818
Snowy days
300

May often has better weather than April. It’s getting warmer as May arrives. The average maximum temperature goes up from +11°C to +17°C during the day. Prepare for more rain. Average rainfall goes from 68 mm to 89 mm. Humidity rises from 67% to 71%. Winds are calmer in comparison to April, going down from 4 m/s to 3 m/s on average. The amount of sunny days stay about the same, averaging 3 sunny days during the month.

Next month (June) brings a further decline in the weather.

Wind

Wind speed in Sapporo in May based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Sapporo is gradually decreasing during May, going from 3 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in Sapporo based on historical data.
Last Year
Historical Data
Total precipitation in May is about 59 mm, with a 52% chance of rain on a typical day. The maximum amount of rainfall per day is around 19 mm, which is considered light rain. May is a pretty wet month with over 16 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Sapporo wettest month is August, where a typical day has a 65% chance of precipitation and 194 mm of rainfall per day. January, on the other hand, is the driest month with a mere 3% chance of precipitation and 8 mm of rainfall per day.

How was the weather last May in Sapporo?

This is the weather in Sapporo in May 2024:
1 May
☁️
+17°C
2 May
☀️
+16°C
3 May
☁️
+21°C
4 May
☁️
+21°C
5 May
🌧️
+22°C
6 May
☁️
+14°C
7 May
☁️
+16°C
8 May
☁️
+13°C
9 May
☁️
+16°C
10 May
☁️
+14°C
11 May
☁️
+10°C
12 May
☀️
+11°C
13 May
☁️
+19°C
14 May
🌧️
+19°C
15 May
☁️
+15°C
16 May
☀️
+19°C
17 May
☁️
+19°C
18 May
☁️
+27°C
19 May
☁️
+21°C
20 May
☁️
+23°C
21 May
☁️
+14°C
22 May
☁️
+18°C
23 May
☁️
+15°C
24 May
☀️
+19°C
25 May
☀️
+25°C
26 May
☁️
+25°C
27 May
☁️
+24°C
28 May
☁️
+20°C
29 May
☁️
+17°C
30 May
☁️
+14°C
31 May
☀️
+18°C
In May 2024 Sapporo had 6 sunny days, 23 cloudy days, and 2 rainy days. The average maximum temperature was +18°C, with an absolute maximum of +27°C and a minimum of +10°C. The average humidity was 55%, with a maximum of 100% and a minimum of 26%. The average wind speed was 3 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change over Years

This is how Sapporo climate have been changing during last 43 years period.

The climate in Sapporo in May has not changed much over the last 43 years.

The average temperature was the lowest in 1986 (+11°C) and the highest in 2023 (+14°C). The driest year was 1984 with only 543 mm of rainfall, and the wettest year was 1981 with 1357 mm.

FAQ

Frequently asked questions about the weather in Sapporo in May:

Is May a good time to visit Sapporo?

May is a really good time to go to Sapporo. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Sapporo.

Can you sunbathe in Sapporo in May?

May has mild temperatures in Sapporo. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Sapporo rainy in May?

Sapporo is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Sapporo in May?

Usually, it’s not very sunny in Sapporo in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Japan

Check out the weather for other cities in Japan.

Monthly weather in Sapporo

Source of the data

For this page, we’ve looked at the typical weather in Sapporo, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.