Iwate (Morioka)
May
Weather in Iwate for May 2026
Your guide to Iwate weather in May - trends and predictions
In general, the average temperature in Iwate at the beginning of May is 15.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 17.4 °C by the end of May.
Iwate experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 134.1 mm.
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Temperatures
Rain 🌧️
More
9
Dry days
22
Rainy days
0
Snow days
18°/8°
Temperatures
14 km/h
Avg max wind
81 %
Avg humidity
Iwate Weather May
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Temperatures trend during May in Iwate
See the weather trend as well as the moving average line
May weather in Iwate day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Overcast | 19° /1° | 0 mm | 7 | |
| 2 May |  Moderate rain at times | 18° /10° | 7.8 mm | 2 | |
| 3 May |  Cloudy | 16° /8° | 4.1 mm | 5 | |
| 4 May |  Patchy rain possible | 13° /7° | 5.3 mm | 2 | |
| 5 May | Patchy rain possible | 14° /6° | 0.5 mm | 6 | |
| 6 May | Patchy rain possible | 15° /7° | 0.6 mm | 3 | |
| 7 May | Moderate or heavy rain shower | 13° /7° | 15.3 mm | 3 | |
| 8 May |  Sunny | 17° /4° | 0 mm | 8 | |
| 9 May | Overcast | 19° /3° | 0 mm | 8 | |
| 10 May | Moderate or heavy rain shower | 16° /11° | 19.2 mm | 1 | |
| 11 May |  Heavy rain at times | 13° /8° | 3.7 mm | 1 | |
| 12 May | Patchy rain possible | 15° /8° | 1.6 mm | 2 | |
| 13 May | Patchy rain possible | 21° /8° | 0.5 mm | 8 | |
| 14 May | Overcast | 22° /5° | 0 mm | 7 | |
| 15 May | Overcast | 23° /9° | 0 mm | 7 | |
| 16 May | Patchy rain possible | 24° /11° | 0.2 mm | 7 | |
| 17 May | Moderate or heavy rain shower | 18° /12° | 19.1 mm | 2 | |
| 18 May | Overcast | 22° /10° | 0.7 mm | 4 | |
| 19 May | Overcast | 20° /9° | 0 mm | 8 | |
| 20 May | Moderate or heavy rain shower | 18° /8° | 9.3 mm | 6 | |
| 21 May | Moderate or heavy rain shower | 17° /10° | 5.3 mm | 2 | |
| 22 May | Moderate rain at times | 15° /9° | 2.2 mm | 3 | |
| 23 May | Patchy rain possible | 19° /9° | 0.1 mm | 7 | |
| 24 May | Overcast | 17° /8° | 2.9 mm | 5 | |
| 25 May |  Light rain | 13° /9° | 12.2 mm | 1 | |
| 26 May | Patchy rain possible | 17° /7° | 0.6 mm | 7 | |
| 27 May | Overcast | 19° /6° | 0 mm | 9 | |
| 28 May | Light rain shower | 21° /10° | 0.7 mm | 4 | |
| 29 May | Patchy rain possible | 23° /10° | 0.4 mm | 6 | |
| 30 May | Patchy rain possible | 16° /11° | 0.7 mm | 4 | |
| 31 May |  Moderate rain | 13° /7° | 21 mm | 2 | |
| Next | |||||
Important Notice
Our weather forecast for Iwate 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 Iwate forecast closer to your planned date for the most up-to-date weather information.
Change Month
Iwate weather in May vs April vs June
Compare May weather in Iwate 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°/4° | 18°/8° | 25°/13° |
| Rainfall | 102 mm | 134 mm | 83 mm |
| Wind | 15.5 km/h | 13.5 km/h | 13.4 km/h |
| Humidity | 82% | 81% | 81% |
| Rainy days | 20 days | 22 days | 18 days |
| Dry days | 10 days | 9 days | 12 days |
Planning a trip to Iwate? Discover the best time to visit
Iwate in May - FAQ
What are the expected maximum and minimum temperatures in Iwate during May?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Iwate during May?
Significant rainfall exceeding 134.1 mm is expected in Iwate during May, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Iwate during May?
The average wind speed in Iwate during May is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Iwate in May?
As you prepare for your trip to Iwate 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 Iwate, 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 Iwate
Explore the daily rainfall trends and prepare for Iwates May weather 💧
Typically, Iwate has 22 rainy days in May with a total of 134.1 mm of rainfall.
UV exposure in Iwate during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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