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Weather in Niigata for May 2025

Your guide to Niigata weather in May - trends and predictions
  • In general, the average temperature in Niigata at the beginning of May is 16.7 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 17.1 °C by the end of May.

  • Expect significant rainfall in Niigata during May, with an average of 16 rainy days.

  • Is May a good time to visit Niigata? check out the best time to travel to Niigata page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
15
Dry days
Average rainy days
16
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/12°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Niigata in May average weather

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Temperatures trend during May in Niigata

See the weather trend as well as the moving average line
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May weather day by day

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Date Weather Temperatures Rain UV More
1 May Patchy rain possible
Patchy rain possible
12° /10° 0.4 mm 3
2 May Sunny
Sunny
14° /10° 0 mm 4
3 May Sunny
Sunny
16° /10° 0 mm 5
4 May Sunny
Sunny
19° /12° 0 mm 5
5 May Overcast
Overcast
21° /14° 0 mm 5
6 May Light drizzle
Light drizzle
18° /16° 0.4 mm 4
7 May Moderate rain
Moderate rain
17° /13° 22.1 mm 4
8 May Light rain shower
Light rain shower
12° /9° 4 mm 3
9 May Patchy rain possible
Patchy rain possible
12° /9° 0.7 mm 3
10 May Sunny
Sunny
17° /8° 0 mm 5
11 May Cloudy
Cloudy
21° /13° 0 mm 5
12 May Overcast
Overcast
21° /14° 0 mm 5
13 May Moderate rain
Moderate rain
15° /12° 33.4 mm 4
14 May Cloudy
Cloudy
16° /10° 0.1 mm 4
15 May Partly cloudy
Partly cloudy
19° /12° 0 mm 5
16 May Light rain shower
Light rain shower
22° /13° 8.6 mm 5
17 May Light rain shower
Light rain shower
17° /13° 3.2 mm 4
18 May Sunny
Sunny
20° /12° 0 mm 6
19 May Overcast
Overcast
21° /14° 0 mm 5
20 May Light rain
Light rain
17° /14° 10.9 mm 4
21 May Patchy rain possible
Patchy rain possible
15° /12° 0.4 mm 4
22 May Partly cloudy
Partly cloudy
19° /11° 0 mm 5
23 May Partly cloudy
Partly cloudy
21° /15° 0 mm 6
24 May Light rain
Light rain
20° /14° 3.5 mm 5
25 May Patchy rain possible
Patchy rain possible
14° /11° 0.9 mm 3
26 May Partly cloudy
Partly cloudy
18° /10° 0 mm 5
27 May Patchy light rain
Patchy light rain
19° /15° 7.2 mm 4
28 May Light rain
Light rain
16° /13° 33.9 mm 4
29 May Light rain shower
Light rain shower
15° /12° 12.2 mm 4
30 May Sunny
Sunny
20° /12° 0 mm 6
31 May Light rain shower
Light rain shower
18° /15° 4.6 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.

Niigata in May - FAQ

What are the expected maximum and minimum temperatures in Niigata during May?
Enjoy moderate daytime temperatures of up to 18° 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 146.3 mm is expected in Niigata during May, occurring over more than 16 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 20 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
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Location coordinates Where is Niigata?

Get accurate weather forecasts for Niigata, located at latitude 37.886 and longitude 139.006. Stay updated with localized weather information tailored for Niigata.

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