Nagano
August
Weather in Nagano for August 2027
Your guide to Nagano weather in August - trends and predictions
In general, the average temperature in Nagano at the beginning of August is 31.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 28.5 °C by the end of August.
Nagano experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 240.1 mm.
Is August a good time to visit Nagano? check out the best time to travel to Nagano page.
✨ Is August a good time to visit Nagano? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
8
Dry days
23
Rainy days
0
Snow days
29°/18°
Temperatures
9 km/h
Avg max wind
83 %
Avg humidity
Nagano Weather August
Move between months or click on a day
What’s the Weather Like in Nagano This August?
Discover the average temperatures and weather trends across Nagano’s cities this August.
Temperatures trend during August in Nagano
See the weather trend as well as the moving average line
August weather in Nagano day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Light rain | 31° /18° | 2.6 mm | 7 | |
| 2 Aug. |  Patchy rain possible | 32° /19° | 0.9 mm | 7 | |
| 3 Aug. | Light rain | 32° /20° | 3.6 mm | 7 | |
| 4 Aug. |  Moderate rain | 31° /19° | 16.2 mm | 7 | |
| 5 Aug. |  Moderate or heavy rain shower | 32° /19° | 6 mm | 8 | |
| 6 Aug. | Light rain | 32° /19° | 5.1 mm | 8 | |
| 7 Aug. |  Heavy rain at times | 30° /19° | 14 mm | 7 | |
| 8 Aug. | Light rain | 30° /18° | 3 mm | 6 | |
| 9 Aug. | Patchy rain possible | 30° /18° | 0.9 mm | 7 | |
| 10 Aug. | Light rain | 28° /17° | 8.8 mm | 7 | |
| 11 Aug. | Light rain | 29° /17° | 3.8 mm | 7 | |
| 12 Aug. | Light rain | 27° /18° | 7.4 mm | 6 | |
| 13 Aug. | Moderate rain | 29° /18° | 16.4 mm | 6 | |
| 14 Aug. | Moderate rain | 29° /18° | 17.4 mm | 6 | |
| 15 Aug. | Moderate or heavy rain shower | 28° /19° | 7.8 mm | 6 | |
| 16 Aug. | Moderate rain at times | 29° /18° | 5.2 mm | 6 | |
| 17 Aug. | Moderate rain | 28° /18° | 14 mm | 6 | |
| 18 Aug. | Moderate or heavy rain shower | 30° /18° | 6.3 mm | 6 | |
| 19 Aug. | Light rain | 30° /18° | 3.5 mm | 6 | |
| 20 Aug. | Moderate rain | 28° /18° | 18.2 mm | 6 | |
| 21 Aug. | Moderate or heavy rain shower | 29° /19° | 7.2 mm | 6 | |
| 22 Aug. | Patchy rain possible | 30° /19° | 2.2 mm | 6 | |
| 23 Aug. | Light rain | 30° /19° | 3.6 mm | 6 | |
| 24 Aug. | Moderate rain | 29° /18° | 10.2 mm | 7 | |
| 25 Aug. | Light rain | 29° /19° | 9.1 mm | 7 | |
| 26 Aug. | Light rain | 30° /19° | 6.7 mm | 6 | |
| 27 Aug. | Moderate rain | 28° /18° | 20.6 mm | 6 | |
| 28 Aug. | Light rain | 27° /17° | 5.9 mm | 5 | |
| 29 Aug. | Light rain | 27° /16° | 4.4 mm | 5 | |
| 30 Aug. | Moderate or heavy rain shower | 28° /17° | 6.4 mm | 6 | |
| 31 Aug. | Light rain | 30° /18° | 2.6 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Nagano in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Nagano forecast closer to your planned date for the most up-to-date weather information.
Change Month
Nagano weather in August vs July vs September
Compare August weather in Nagano with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| July | August | September | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 29°/17° | 29°/18° | 25°/14° |
| Rainfall | 225 mm | 240 mm | 232 mm |
| Wind | 8.4 km/h | 8.8 km/h | 8.3 km/h |
| Humidity | 83% | 83% | 85% |
| Rainy days | 23 days | 23 days | 19 days |
| Dry days | 8 days | 8 days | 11 days |
Planning a trip to Nagano? Discover the best time to visit
Nagano in August - FAQ
What are the expected maximum and minimum temperatures in Nagano during August?
During August, expect a variety of temperatures with highs around 29° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Nagano during August?
Significant rainfall exceeding 240.1 mm is expected in Nagano during August, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Nagano during August?
The average wind speed in Nagano during August is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Nagano
Explore the daily rainfall trends and prepare for Naganos August weather 💧
Typically, Nagano has 23 rainy days in August with a total of 240.1 mm of rainfall.
UV exposure in Nagano during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
What to pack to Nagano in August?
Warm & sunny · highs around 29 °C, frequent showers
As you prepare for your trip to Nagano in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Nagano, during August, is comfortable and enjoyable, regardless of the weather conditions.
0%0 / 9
🧥 Clothing
👟 Footwear
🎒 Accessories
🧴 Personal Items
Provinces in Nagano
Select a province for an accurate weather forecast
Top locations in Nagano
Select a location for an accurate weather forecast
More Locations Quick links
More Nagano weather pages
You are here
Where is Nagano?Get accurate weather forecasts for Nagano, located at latitude 36.65 and longitude 138.183. Stay updated with localized weather information tailored for Nagano.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.