May weather forecastMinamata, Japan
May
Weather in May
The last month of the spring, May, is a pleasant month in Minamata, Japan, with temperature in the range of an average high of 21.9°C (71.4°F) and an average low of 17.1°C (62.8°F).Temperature
May's arrival brings a slight change in high-temperatures, adjusting from an enjoyable 18°C (64.4°F) in April to an agreeable 21.9°C (71.4°F). Minamata encounters a negligible difference from daytime peaks throughout the May nights, with a low-temperature average of 17.1°C (62.8°F).Humidity
The average relative humidity in May is 77%.Rainfall
In May, the rain falls for 11.4 days. Throughout May, 77mm (3.03") of precipitation is accumulated. Throughout the year, there are 190.1 rainfall days, and 1194mm (47.01") of precipitation is accumulated.Snowfall
March through December are months without snowfall in Minamata.Sea temperature
In Minamata, Japan, the average seawater temperature in May is 20.3°C (68.5°F).Note: Swimming in water with a temperature of 20.3°C (68.5°F) is not a pleasurable experience for the majority. As the temperature falls below 21°C (69.8°F), it becomes increasingly hard to control one's breathing.
Daylight
In May, the average length of the day is 13h and 49min.On the first day of May, sunrise is at 05:31 and sunset at 18:59. On the last day of the month, sunrise is at 05:12 and sunset at 19:19 JST.
Sunshine
In Minamata, the average sunshine in May is 8.7h.UV index
The average daily maximum UV index in May in Minamata is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 5 during May translates into the following directions:
Undertake precautions - Guarding against sun damage is counselled. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Minamata, Japan
- Average high temperature in May: 21.9°C
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (10.8°C).
- Average low temperature in May: 17.1°C
The month with the highest average low temperature is August (25.3°C).
The coldest month (with the lowest average low temperature) is January (6.8°C).
Average pressure in May
Minamata, Japan
- Average pressure in May: 1012mbar
The month with the highest atmospheric pressure is January (1021.7mbar).
The month with the lowest atmospheric pressure is June (1008mbar).
Average wind speed in May
Minamata, Japan
- Average wind speed in May: 12.7km/h
The windiest month (with the highest average wind speed) is December (19.8km/h).
The calmest month (with the lowest average wind speed) is June (11.2km/h).
Average humidity in May
Minamata, Japan
- Average humidity in May: 77%
The month with the highest relative humidity is July (87%).
The month with the lowest relative humidity is March (72%).
Average rainfall in May
Minamata, Japan
- Average rainfall in May: 77mm
The wettest month (with the highest rainfall) is June (261mm).
The driest month (with the least rainfall) is January (44mm).
Average rainfall days in May
Minamata, Japan
- Average rainfall days in May: 11.4 days
The month with the highest number of rainy days is July (22.2 days).
The month with the least rainy days is October (11.2 days).
Average snowfall in May
Minamata, Japan
- Average snowfall in May: 0mm
The month with the highest snowfall is January (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in May
Minamata, Japan
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in May
Minamata, Japan
- Average sea temperature in May: 20.3°C
The best month for swimming (with the highest average sea temperature) is August (27.9°C).
The coldest month (with the lowest average sea temperature) is March (16.2°C).
Average daylight in May /
Average sunshine in May
Minamata, Japan
- Average daylight in May: 13h and 48min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Minamata, Japan
- Average sunshine days in May: 17.7 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in May
Minamata, Japan
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in May
Minamata, Japan
- Average cloud cover in May: 41
The month with the most cloud cover is June (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Minamata, Japan
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).





