Niigata
May
Weather in Niigata for May 2026
Your guide to Niigata weather in May - trends and predictions
In general, the average temperature in Niigata at the beginning of May is 16.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 17.4 °C by the end of May.
Niigata experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 135.9 mm.
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Temperatures
Rain 🌧️
More
10
Dry days
21
Rainy days
0
Snow days
17°/12°
Temperatures
21 km/h
Avg max wind
75 %
Avg humidity
Niigata Weather May
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Temperatures trend during May in Niigata
See the weather trend as well as the moving average line
May weather in Niigata day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Patchy rain possible | 16° /9° | 0.4 mm | 4 | |
| 2 May |  Sunny | 17° /10° | 6 mm | 5 | |
| 3 May | Sunny | 15° /10° | 1 mm | 4 | |
| 4 May | Sunny | 17° /11° | 2 mm | 4 | |
| 5 May |  Overcast | 18° /12° | 0.2 mm | 4 | |
| 6 May |  Light drizzle | 17° /13° | 2.7 mm | 4 | |
| 7 May |  Moderate rain | 15° /11° | 22.5 mm | 4 | |
| 8 May | Light rain shower | 14° /8° | 2 mm | 4 | |
| 9 May | Patchy rain possible | 15° /10° | 0.4 mm | 4 | |
| 10 May | Sunny | 18° /11° | 6.9 mm | 5 | |
| 11 May |  Cloudy | 18° /13° | 1.3 mm | 5 | |
| 12 May | Overcast | 18° /13° | 0.8 mm | 5 | |
| 13 May | Moderate rain | 16° /12° | 16.7 mm | 5 | |
| 14 May | Cloudy | 18° /11° | 0 mm | 5 | |
| 15 May |  Partly cloudy | 20° /13° | 0 mm | 6 | |
| 16 May | Light rain shower | 21° /14° | 4.3 mm | 6 | |
| 17 May | Light rain shower | 17° /14° | 6.9 mm | 4 | |
| 18 May | Sunny | 20° /12° | 0.5 mm | 5 | |
| 19 May | Overcast | 19° /13° | 0.3 mm | 5 | |
| 20 May | Light rain | 18° /14° | 7.3 mm | 4 | |
| 21 May | Patchy rain possible | 19° /14° | 1.7 mm | 5 | |
| 22 May | Partly cloudy | 18° /12° | 2.3 mm | 5 | |
| 23 May | Partly cloudy | 19° /13° | 0 mm | 6 | |
| 24 May | Light rain | 19° /13° | 2.9 mm | 5 | |
| 25 May | Patchy rain possible | 15° /12° | 6.9 mm | 4 | |
| 26 May | Partly cloudy | 17° /11° | 0 mm | 5 | |
| 27 May | Patchy light rain | 19° /13° | 3.6 mm | 4 | |
| 28 May | Light rain | 18° /13° | 17 mm | 5 | |
| 29 May | Light rain shower | 17° /13° | 6.1 mm | 5 | |
| 30 May | Sunny | 19° /13° | 1.6 mm | 5 | |
| 31 May | Light rain shower | 17° /14° | 11.5 mm | 4 | |
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Important Notice
Our weather forecast for Niigata in May 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 Niigata forecast closer to your planned date for the most up-to-date weather information.
Change Month
Niigata weather in May vs April vs June
Compare May weather in Niigata with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| April | May | June | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 14°/9° | 17°/12° | 22°/18° |
| Rainfall | 95 mm | 136 mm | 108 mm |
| Wind | 22.1 km/h | 20.5 km/h | 16.5 km/h |
| Humidity | 73% | 75% | 79% |
| Rainy days | 22 days | 21 days | 18 days |
| Dry days | 8 days | 10 days | 12 days |
Planning a trip to Niigata? Discover the best time to visit
Niigata in May - FAQ
What are the expected maximum and minimum temperatures in Niigata during May?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Niigata during May?
Significant rainfall exceeding 135.9 mm is expected in Niigata during May, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Niigata during May?
The average wind speed in Niigata during May is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Niigata in May?
As you prepare for your trip to Niigata in May, 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 Niigata, during May, 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
May rainfall patterns in Niigata
Explore the daily rainfall trends and prepare for Niigatas May weather 💧
UV exposure in Niigata during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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