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Sapporo in August: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Sapporo in August will be like? Take a look at our weather guide for Sapporo, based on historical data.
Check flight prices to Sapporo on Avionero:
August

Weather in Sapporo in August 2025

OK Weather
Warm
🌧️
Rainy
If you plan to visit Sapporo in August, the weather is typically alright, with an average high temperature of +79°F during the day and approximately 0 sunny days. Expect some rainy, though, as there are typically 20 rainy days in the month and around 194 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • August is usually the hottest month of the year in Sapporo;

Average weather

☀️
+79°F
Avg. max. temperature
+48°F
Min.
+95°F
Max.
194 mm
Total precipitation
79%
Avg. humidity
3 m/s
Avg. wind
0 ☀️
Sunny Days
10 ⛅️
Cloudy
20 🌦
Rainy
Our opinion: Sapporo has OK weather in August.

Average temperature in Sapporo in August

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

Going from a maximum of +95°F during the day to a minimum of +66°F during the night, the temperature in August averages around +86°F.

The average maximum temperature goes down 12% by the end of the month, compared with the beginning of the month, from +88°F to +84°F.

Is Sapporo warm or cold in August?

Sapporo is typically warm in August.

Maximum temperatures go up compared to the previous month from +75°F to +79°F. The minimum temperature also goes up from +63°F to +66°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

August is the hottest month in Sapporo, here is the comparison with other months:

Climate in Sapporo in August

Sapporo weather looks like this, on average, in August and the surrounding months.
JulyAugustSeptember
Avg. temperature
+75°F+79°F+72°F
Min. temperature
+48°F+48°F+37°F
Max. temperature
+97°F+95°F+90°F
Rainfall
123 mm194 mm151 mm
Wind
3 m/s3 m/s3 m/s
Humidity
80%79%76%
Air pressure
1008 HPa1009 HPa1013 HPa
Sunny days
101
Cloudy days
111010
Rainy days
192019
Snowy days
000

August weather is still as ok as in July. It’s getting warmer as August arrives. The average maximum temperature goes up from +75°F to +79°F during the day. Prepare for more rain. Average rainfall goes from 123 mm to 194 mm. It feels drier, as humidity decreases from 80% to 79%. The average wind speed doesn’t change much during August, staying around 3 m/s. The days becoming less sunny, going from 1 sunny days in July to 0 in August.

September brings much the same weather, it remains ok.

Wind

Wind speed in Sapporo in August 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 increasing during August, going from 2 m/s to 5 m/s over the course of the month.

Rain

Amount of rainfall in mm during August in Sapporo based on historical data.
Last Year
Historical Data
Typically, there is a 65% chance of rain on an average day in August, with total rainfall of approximately 202 mm. The maximum amount of rainfall per day is around 31 mm, which is moderate rain. August is a pretty wet month with over 20 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
August is one of the rainiest months in Sapporo, here is a comparison with other months, 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 August in Sapporo?

This is the weather in Sapporo in August 2024:
1 August
☁️
+87°F
2 August
☁️
+91°F
3 August
☁️
+87°F
4 August
🌧️
+90°F
5 August
🌧️
+84°F
6 August
🌧️
+75°F
7 August
🌧️
+79°F
8 August
🌧️
+77°F
9 August
☁️
+84°F
10 August
☁️
+84°F
11 August
☁️
+85°F
12 August
☁️
+87°F
13 August
🌧️
+82°F
14 August
☁️
+82°F
15 August
☁️
+81°F
16 August
🌧️
+80°F
17 August
☁️
+87°F
18 August
☁️
+89°F
19 August
☁️
+87°F
20 August
🌧️
+85°F
21 August
☁️
+89°F
22 August
☀️
+89°F
23 August
☀️
+93°F
24 August
🌧️
+91°F
25 August
☁️
+95°F
26 August
🌧️
+92°F
27 August
🌧️
+83°F
28 August
☁️
+83°F
29 August
☁️
+81°F
30 August
☁️
+80°F
31 August
🌧️
+84°F
In August 2024 Sapporo had 2 sunny days, 17 cloudy days, and 12 rainy days. The average maximum temperature was +86°F, with an absolute maximum of +95°F and a minimum of +75°F. The average humidity was 78%, with a maximum of 100% and a minimum of 53%. The average wind speed was 3 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in August?

Climate Change Over the Years

This is how Sapporo climate has changed over the last 43 years.

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

The average temperature was the lowest in 1986 (+52°F) and the highest in 2023 (+58°F). 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 August:

Is August a good time to visit Sapporo?

It’s always a good time to visit Sapporo, but the weather is changeable in August, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Sapporo in August?

August is warm in Sapporo. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Sapporo rainy in August?

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

Is it sunny in Sapporo in August?

Usually, it’s not very sunny in Sapporo in August, 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.