Gunma (Kusatsu)
May
Weather in Gunma for May 2027
Your guide to Gunma weather in May - trends and predictions
In general, the average temperature in Gunma at the beginning of May is 16.5 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 18.6 °C by the end of May.
The climate of Gunma in May is notably wet, with an average of 14 rainy days, and a total of 165.5 mm of precipitation.
Is May a good time to visit Gunma? check out the best time to travel to Gunma page.
✨ Is May a good time to visit Gunma? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
17
Dry days
14
Rainy days
0
Snow days
18°/8°
Temperatures
12 km/h
Avg max wind
73 %
Avg humidity
Gunma Weather May
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What’s the Weather Like in Gunma This May?
Discover the average temperatures and weather trends across Gunma’s cities this May.
Temperatures trend during May in Gunma
See the weather trend as well as the moving average line
May weather in Gunma day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Moderate rain | 14° /6° | 15.1 mm | 3 | |
| 2 May |  Light rain | 13° /5° | 5.3 mm | 5 | |
| 3 May | Light rain | 18° /5° | 3 mm | 6 | |
| 4 May | Light rain | 20° /6° | 9.1 mm | 5 | |
| 5 May |  Sunny | 19° /6° | 0 mm | 7 | |
| 6 May | Light rain | 14° /7° | 7.7 mm | 5 | |
| 7 May | Light rain | 17° /7° | 2.9 mm | 5 | |
| 8 May |  Patchy rain possible | 16° /5° | 0.8 mm | 6 | |
| 9 May |  Light sleet | 12° /4° | 4.3 mm | 5 | |
| 10 May | Light rain | 19° /4° | 3.1 mm | 7 | |
| 11 May | Sunny | 20° /7° | 0.1 mm | 7 | |
| 12 May | Patchy rain possible | 18° /9° | 2 mm | 4 | |
| 13 May | Moderate rain | 17° /7° | 17.8 mm | 5 | |
| 14 May | Patchy rain possible | 18° /7° | 0.6 mm | 6 | |
| 15 May | Patchy rain possible | 19° /8° | 0.1 mm | 7 | |
| 16 May | Patchy rain possible | 18° /8° | 0.5 mm | 6 | |
| 17 May | Light rain | 19° /8° | 4.2 mm | 6 | |
| 18 May | Sunny | 24° /9° | 0.4 mm | 7 | |
| 19 May | Patchy light rain | 21° /11° | 2.4 mm | 6 | |
| 20 May | Light rain | 24° /10° | 3.8 mm | 7 | |
| 21 May | Patchy rain possible | 23° /12° | 1.2 mm | 6 | |
| 22 May | Patchy rain possible | 16° /9° | 2.1 mm | 4 | |
| 23 May | Patchy rain possible | 17° /8° | 0.2 mm | 4 | |
| 24 May | Light rain | 17° /9° | 2.7 mm | 4 | |
| 25 May | Light rain | 21° /9° | 9.7 mm | 7 | |
| 26 May |  Overcast | 18° /9° | 0.1 mm | 4 | |
| 27 May | Patchy rain possible | 18° /10° | 1.4 mm | 5 | |
| 28 May |  Heavy rain | 18° /11° | 39.7 mm | 5 | |
| 29 May | Light rain | 20° /8° | 6 mm | 6 | |
| 30 May | Light rain | 19° /8° | 8.1 mm | 6 | |
| 31 May | Moderate rain | 17° /9° | 10.9 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Gunma 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 Gunma forecast closer to your planned date for the most up-to-date weather information.
Change Month
Gunma weather in May vs April vs June
Compare May weather in Gunma 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° | 22°/13° |
| Rainfall | 103 mm | 165 mm | 221 mm |
| Snowfall | 5 cm | 0 cm | 0 cm |
| Wind | 11.7 km/h | 11.8 km/h | 10 km/h |
| Humidity | 69% | 73% | 82% |
| Rainy days | 10 days | 14 days | 18 days |
| Snow days | 1 days | 0 days | 0 days |
| Dry days | 19 days | 17 days | 12 days |
Planning a trip to Gunma? Discover the best time to visit
Gunma in May - FAQ
What are the expected maximum and minimum temperatures in Gunma 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 Gunma during May?
Significant rainfall exceeding 165.5 mm is expected in Gunma during May, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Gunma during May?
The average wind speed in Gunma during May is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Gunma
Explore the daily rainfall trends and prepare for Gunmas May weather 💧
Typically, Gunma has 14 rainy days in May with a total of 165.5 mm of rainfall.
UV exposure in Gunma during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
What to pack to Gunma in May?
Mild & changeable · highs around 18 °C, frequent showers
As you prepare for your trip to Gunma 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 Gunma, during May, is comfortable and enjoyable, regardless of the weather conditions.
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