In general the best time to visit Sapporo is probably August, when the weather is usually great. The hottest months are July, August, September, while the coldest months are January, February, December.
But ultimately the best time to visit depends on what you want to do:
The best time for a sunbathing holiday is July, August, September. Average maximum temperatures are up to +26°C in August and it has 0 sunny days on average.
In general, it’s pleasant to walk and do outdoor activities during June - September.
If you want to avoid wet weather, then your choice is June, July, August with the lowest chance of rain.
Average weather in Sapporo in different months
This is the average weather in Sapporo for each month based on historic data:
May usually has good weather. Average maximum temperature reaches +17°C during May.
In January, February, March, April, June, July, August, September, October, November, December the weather is average. Expect around 130 rainy days, and the precipitation amounts to approximately 194 mm in August.
Climate in Sapporo
Here is the detailed breakdown of the climate in Sapporo for each month:
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Maximum Temperature
+8°C
+11°C
+18°C
+27°C
+32°C
+32°C
+36°C
+35°C
+32°C
+26°C
+21°C
+15°C
Average Maximum Temperature
-1°C
-1°C
+3°C
+11°C
+17°C
+21°C
+24°C
+26°C
+22°C
+16°C
+8°C
+1°C
Minimum Temperature
-25°C
-23°C
-20°C
-8°C
0°C
+4°C
+9°C
+9°C
+3°C
-4°C
-12°C
-19°C
Avg. water temperature
-
-
-
-
-
-
-
-
-
-
-
-
Humidity, %
72
72
70
67
71
77
80
79
76
72
71
71
Rain, mm
8
8
26
68
89
89
123
194
151
103
77
24
Snow, mm
43
37
38
7
0
0
0
0
0
0
13
45
Average wind speed, m/s
2
3
3
4
3
3
3
3
3
3
3
3
Sunny Days
0
0
2
3
3
1
1
0
1
2
1
0
Cloud Days
12
11
10
10
10
11
11
10
10
10
9
9
Rainy Days
1
1
4
14
18
18
19
20
19
19
12
3
Snowy Days
18
16
15
3
0
0
0
0
0
0
8
19
Average Temperature
Here are the average maximum and minimum temperatures in Sapporo during the whole year:
The hottest month in Sapporo is August with average maximum temperature going up to +26°C. The coldest month is January with the lowest temperatures of -9°C.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Sapporo looks throughout the year, in %:
The most humid month in Sapporo is July with average humidity going up to 80%. The least humid month is April with an average humidity of 67%.
Rain
Amount of rainfall in mm. in Sapporo during the whole year based on historical data:
The sunniest and driest month is April with approximately 3 sunny days and a total precipitation of around 68 mm. The rainiest and wettest month is August with approximately 20 rainy days and 194 mm of total precipitation.
Snow
Amount of snow in mm. in Sapporo during the whole year based on historical data:
The snowiest month is December with approximately 19 snowy days.
FAQ
Frequently asked questions about the weather in Sapporo:
What is the hottest month in Sapporo?
The hottest month in Sapporo is August with average maximum temperature of +26°C.
What is the coldest month in Sapporo?
The coldest month in Sapporo is January with minimum temperatures of -9°C.
Is Sapporo worth visiting in winter?
Winter in Sapporo could be a good time to visit, as the weather is generally ok.
When does it rain the least in Sapporo?
if you're looking to visit Sapporo when it rains the least, you should plan your trip for August, September, July. During this time, rainfall is rare with the driest month being January with only 8 mm of rain.
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.