Karuizawa in august: average Weather, Temperature and Climate
Weather in Karuizawa in august 2025
The weather in Karuizawa in the month of august comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
tolerable weather UV index: 6
Weather at 6am
68°F
Fog
37% of time
20%
17%
15%
Weather at 12pm
79°F
Moderate rain at times
52% of time
26%
11%
11%
Weather at 6pm
72°F
Moderate rain at times
61% of time
23%
9%
6%
Weather at 3am
67°F
37%
31%
19%
8%
Evolution of daily average temperature and precipitation in Karuizawa in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Karuizawa in august.
The climate of Karuizawa in august is tolerable
The climate in august in Karuizawa is wet (with 15in of precipitation over 18 days). The weather is better from the previous month since in july it receives an average of 16.6in of precipitation over 21 days.
The climate enjoyable in that area august. The high seasonal norm is 81°F. On average, the recorded minimum temperature is 68°F. Thus, the mean temperature average on this month of august in Karuizawa is 74°F. Note that these seasonal averages are in contrast with those observed in Karuizawa in august with a maximum record of 94°F in 2020 and a minimum record of 54°F in 2015. You can plan to have about 6 days with temperatures up to 86°F, or 19 of time.
On this month of august, day length in Karuizawa is generally 13:33. The sun rises at 05:03 and sets at 18:36.
With a correct weather, the month of august is okay (but not good) to go in this locality in Japan.
August: another location in Japan?
If you want to go to Japan in august, there are destinations with better weather than Karuizawa:
In august, Tokyo, Hiroshima, Kochi, Kyoto, Nagoya and Osaka have good weather.
Seasonal average climate and temperature of Karuizawa in august
Check below seasonal norms These datas are generated from the weather statements earlier years of the month of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 74°F | ||||
| Highest temperature | 81°F | ||||
| Lowest temperature | 68°F | ||||
| Highest record temperature | 94°F (2020) | ||||
| Lowest record temperature | 54°F (2015) | ||||
| Number of days at +86°F | 6 day(s) (19%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 9km/h | ||||
| Wind temperature | 68°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 15in | ||||
| Number of days with rainfall | 18 day(s) (57%) | ||||
| Record daily rainfall | 4.5in (2017) | ||||
| Other climate data | |||||
| Humidity | 94% | ||||
| Visibility | 7.4km | ||||
| Cloud cover | 53% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:03 | ||||
| Time of sunset | 18:36 | ||||
| Length of day | 13:33 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last august?
Here is the day by day recorded weather in Karuizawa in august 2024:
67°F to 88°F
67°F to 90°F
68°F to 90°F
72°F to 86°F
70°F to 85°F
68°F to 83°F
67°F to 81°F
68°F to 83°F
67°F to 85°F
63°F to 85°F
63°F to 86°F
67°F to 88°F
68°F to 83°F
68°F to 79°F
68°F to 81°F
68°F to 74°F
67°F to 88°F
68°F to 86°F
70°F to 88°F
68°F to 86°F
68°F to 85°F
68°F to 81°F
68°F to 90°F
70°F to 86°F
70°F to 79°F
65°F to 81°F
65°F to 79°F
65°F to 79°F
65°F to 76°F
65°F to 74°F
67°F to 83°F
Map: other cities in Japan in august
Cities near Karuizawa:
| Maebashi in august | good weather |
| Nagano in august | tolerable weather |
| Matsumoto in august | tolerable weather |
| Kofu in august | tolerable weather |
| Joetsu in august | good weather |
| Nikko in august | tolerable weather |
| Tokyo in august | good weather |
| Takayama in august | tolerable weather |
| Nagaoka in august | good weather |
| Toyama in august | tolerable weather |
| Fuji in august | good weather |
| Hakone in august | good weather |
Click over cities on the map for information about the weather in august.
Karuizawa
perfect weather
good
tolerable
bad
very bad
Weather data for Karuizawa in august:
Weather data for Karuizawa for august are derived from an average of the weather forecast since 2009 in Karuizawa. There is a margin of error and these forecasts are to be considered as general information only. The weather in Karuizawa can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Karuizawa.