Nagano
April
Weather in Nagano for April 2025
Your guide to Nagano weather in April - trends and predictions
In general, the average temperature in Nagano at the beginning of April is 15 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.4 °C by the end of April.
The climate of Nagano in April is notably wet, with an average of 15 rainy days.
Is April a good time to visit Nagano? check out the best time to travel to Nagano page.
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15
Dry days
15
Rainy days
0
Snow days
18°/5°
Temperatures
10 km/h
Avg max wind
70 %
Avg humidity
Nagano in April average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  11° | 2 14° | 3  18° | 4  12° | 5  13° | 6 18° | |
| 7 19° | 8  20° | 9 13° | 10 13° | 11  17° | 12 18° | 13 20° |
| 14 22° | 15 25° | 16 22° | 17 17° | 18 16° | 19 18° | 20 19° |
| 21 14° | 22 20° | 23 20° | 24 11° | 25 16° | 26  25° | 27 24° |
| 28 26° | 29 26° | 30 22° |
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Temperatures trend during April in Nagano
See the weather trend as well as the moving average line
April weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Apr. | Light rain shower | 11° /2° | 2.4 mm | 3 | |
| 2 Apr. | Patchy rain possible | 14° /2° | 0.1 mm | 3 | |
| 3 Apr. | Moderate rain | 18° /2° | 17.2 mm | 4 | |
| 4 Apr. | Fog | 12° /3° | 3.1 mm | 3 | |
| 5 Apr. | Partly cloudy | 13° /0° | 0 mm | 4 | |
| 6 Apr. | Patchy rain possible | 18° /2° | 0.1 mm | 4 | |
| 7 Apr. | Patchy rain possible | 19° /9° | 0.1 mm | 4 | |
| 8 Apr. | Patchy light rain | 20° /8° | 8.9 mm | 5 | |
| 9 Apr. | Moderate rain | 13° /0° | 59.5 mm | 3 | |
| 10 Apr. | Partly cloudy | 13° /-2° | 0 mm | 4 | |
| 11 Apr. | Sunny | 17° /0° | 0 mm | 5 | |
| 12 Apr. | Partly cloudy | 18° /6° | 0 mm | 5 | |
| 13 Apr. | Sunny | 20° /3° | 0 mm | 6 | |
| 14 Apr. | Partly cloudy | 22° /5° | 0 mm | 6 | |
| 15 Apr. | Sunny | 25° /6° | 0 mm | 7 | |
| 16 Apr. | Patchy rain possible | 22° /7° | 0.7 mm | 5 | |
| 17 Apr. | Light rain shower | 17° /7° | 5.1 mm | 4 | |
| 18 Apr. | Patchy rain possible | 16° /3° | 0 mm | 4 | |
| 19 Apr. | Partly cloudy | 18° /5° | 0 mm | 5 | |
| 20 Apr. | Partly cloudy | 19° /6° | 0 mm | 5 | |
| 21 Apr. | Patchy rain possible | 14° /5° | 0.4 mm | 3 | |
| 22 Apr. | Patchy rain possible | 20° /7° | 1.6 mm | 5 | |
| 23 Apr. | Light rain shower | 20° /11° | 1.9 mm | 4 | |
| 24 Apr. | Light rain | 11° /9° | 6.3 mm | 3 | |
| 25 Apr. | Patchy rain possible | 16° /9° | 0.3 mm | 4 | |
| 26 Apr. | Overcast | 25° /6° | 0 mm | 6 | |
| 27 Apr. | Patchy rain possible | 24° /9° | 0.3 mm | 5 | |
| 28 Apr. | Sunny | 26° /7° | 0 mm | 7 | |
| 29 Apr. | Light rain shower | 26° /9° | 3.7 mm | 6 | |
| 30 Apr. | Patchy rain possible | 22° /13° | 1.8 mm | 5 | |
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Important Notice
Our weather forecast for Nagano in April 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.
Nagano in April - FAQ
What are the expected maximum and minimum temperatures in Nagano during April?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 5°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Nagano during April?
Significant rainfall exceeding 113.8 mm is expected in Nagano during April, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Nagano during April?
The average wind speed in Nagano during April is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Nagano in April?
As you prepare for your trip to Nagano in April, 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 April, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
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