Ito-gun (Kōyasan)
May
Weather in Ito-gun for May 2026
Your guide to Ito-gun weather in May - trends and predictions
In general, the average temperature in Ito-gun at the beginning of May is 19 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 17.9 °C by the end of May.
Ito-gun in May brings notable rainfall, with an average of 20 rainy days and a total precipitation of 291.9 mm.
Is May a good time to visit Ito-gun? check out the best time to travel to Ito-gun page.
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Temperatures
Rain 🌧️
More
11
Dry days
20
Rainy days
0
Snow days
21°/11°
Temperatures
12 km/h
Avg max wind
78 %
Avg humidity
Ito-gun Weather May
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Temperatures trend during May in Ito-gun
See the weather trend as well as the moving average line
May weather in Ito-gun day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Cloudy | 23° /8° | 0 mm | 5 | |
| 2 May |  Moderate or heavy rain shower | 17° /10° | 33.9 mm | 4 | |
| 3 May |  Partly cloudy | 21° /7° | 0 mm | 6 | |
| 4 May |  Patchy rain possible | 18° /10° | 0.3 mm | 4 | |
| 5 May |  Overcast | 20° /7° | 0 mm | 5 | |
| 6 May | Moderate or heavy rain shower | 16° /12° | 35.4 mm | 4 | |
| 7 May | Overcast | 18° /9° | 3.8 mm | 4 | |
| 8 May | Overcast | 21° /5° | 0 mm | 5 | |
| 9 May | Moderate or heavy rain shower | 18° /10° | 21.2 mm | 4 | |
| 10 May |  Heavy rain at times | 23° /14° | 11.5 mm | 5 | |
| 11 May | Patchy rain possible | 18° /10° | 6.8 mm | 4 | |
| 12 May | Patchy rain possible | 19° /11° | 3.9 mm | 4 | |
| 13 May |  Sunny | 22° /10° | 0 mm | 6 | |
| 14 May | Overcast | 24° /10° | 0 mm | 5 | |
| 15 May | Cloudy | 24° /10° | 0 mm | 5 | |
| 16 May | Moderate rain at times | 25° /12° | 1.1 mm | 6 | |
| 17 May | Moderate or heavy rain shower | 24° /16° | 20 mm | 5 | |
| 18 May | Heavy rain at times | 26° /18° | 2.3 mm | 6 | |
| 19 May | Cloudy | 23° /16° | 0 mm | 5 | |
| 20 May | Partly cloudy | 29° /17° | 0 mm | 7 | |
| 21 May | Moderate or heavy rain shower | 27° /19° | 18.3 mm | 6 | |
| 22 May | Moderate rain at times | 25° /16° | 14 mm | 6 | |
| 23 May | Partly cloudy | 23° /12° | 0 mm | 6 | |
| 24 May | Moderate or heavy rain shower | 18° /15° | 44.8 mm | 4 | |
| 25 May | Light rain shower | 17° /10° | 15.8 mm | 4 | |
| 26 May | Overcast | 18° /6° | 0 mm | 4 | |
| 27 May | Light rain shower | 20° /10° | 2.7 mm | 5 | |
| 28 May | Light rain shower | 22° /11° | 5.7 mm | 5 | |
| 29 May | Light rain shower | 20° /11° | 13.1 mm | 5 | |
| 30 May | Light rain shower | 14° /10° | 25.3 mm | 3 | |
| 31 May | Light rain shower | 14° /10° | 12 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Ito-gun 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 Ito-gun forecast closer to your planned date for the most up-to-date weather information.
Change Month
Ito-gun weather in May vs April vs June
Compare May weather in Ito-gun 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 | Moderate or heavy rain shower | Moderate or heavy rain shower | Patchy rain possible |
| Temperatures | 18°/7° | 21°/11° | 26°/16° |
| Rainfall | 112 mm | 292 mm | 182 mm |
| Wind | 14.1 km/h | 12.2 km/h | 11.2 km/h |
| Humidity | 68% | 78% | 78% |
| Rainy days | 14 days | 20 days | 16 days |
| Dry days | 16 days | 11 days | 14 days |
Planning a trip to Ito-gun? Discover the best time to visit
Ito-gun in May - FAQ
What are the expected maximum and minimum temperatures in Ito-gun during May?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Ito-gun during May?
Significant rainfall exceeding 291.9 mm is expected in Ito-gun during May, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Ito-gun during May?
The average wind speed in Ito-gun during May is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Ito-gun in May?
As you prepare for your trip to Ito-gun 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 Ito-gun, 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
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- 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 Ito-gun
Explore the daily rainfall trends and prepare for Ito-guns May weather 💧
Typically, Ito-gun has 20 rainy days in May with a total of 291.9 mm of rainfall.
UV exposure in Ito-gun during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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