May weather forecastHamamatsu, Japan
May
Weather in May
May in Hamamatsu presents residents and visitors with the sweet allure of temperate weather. It signifies a seamless shift from the cool months to the warmer ones as temperatures ascend on average but stay below 23.7°C (74.7°F). A significant difference in rainfall from April illustrates the progression towards the wet season, while the sun continues to shine for longer intervals. The wind's whisper grows softer and the sea murmurs a warmer tone, disclosing summer's approach. In contrast to future months, May still maintains reasonably comfortable humidity levels.Temperature
May's arrival coincides with a subtle temperature rise, moving from April's comfortable 16.5°C (61.7°F) to an agreeable 21°C (69.8°F). Throughout May in Hamamatsu, a steady low-temperature average of 15.3°C (59.5°F) is noted.Humidity
In Hamamatsu, the average relative humidity in May is 73%.Rainfall
In May, the rain falls for 12.2 days. Throughout May, 115mm (4.53") of precipitation is accumulated. Throughout the year, in Hamamatsu, Japan, there are 160.9 rainfall days, and 1265mm (49.8") of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Sea temperature
In Hamamatsu, Japan, in May, the average water temperature is 19°C (66.2°F).Note: Most people do not find swimming enjoyable in water of 19°C (66.2°F). The task of controlling breathing becomes tougher as the temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Hamamatsu, the average length of the day in May is 13h and 59min.On the first day of the month, sunrise is at 04:58 and sunset at 18:33. On the last day of May, in Hamamatsu, sunrise is at 04:37 and sunset at 18:56 JST.
Sunshine
In Hamamatsu, the average sunshine in May is 9.6h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 5 during May leads to these instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Hamamatsu, Japan
- Average high temperature in May: 21°C
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in May: 15.3°C
The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (3.2°C).
Average pressure in May
Hamamatsu, Japan
- Average pressure in May: 1012.1mbar
The month with the highest atmospheric pressure is November (1018.6mbar).
The month with the lowest atmospheric pressure is June (1009mbar).
Average wind speed in May
Hamamatsu, Japan
- Average wind speed in May: 14.4km/h
The windiest month (with the highest average wind speed) is January (22.9km/h).
The calmest months (with the lowest average wind speed) are July and August (12.2km/h).
Average humidity in May
Hamamatsu, Japan
- Average humidity in May: 73%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is January (65%).
Average rainfall in May
Hamamatsu, Japan
- Average rainfall in May: 115mm
The wettest month (with the highest rainfall) is July (205mm).
The driest month (with the least rainfall) is January (37mm).
Average rainfall days in May
Hamamatsu, Japan
- Average rainfall days in May: 12.2 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in May
Hamamatsu, Japan
- Average snowfall in May: 0mm
The month with the highest snowfall is February (1mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in May
Hamamatsu, Japan
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.2 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
Hamamatsu, Japan
- Average sea temperature in May: 19°C
The best month for swimming (with the highest average sea temperature) is August (26.8°C).
The coldest month (with the lowest average sea temperature) is March (15.1°C).
Average daylight in May /
Average sunshine in May
Hamamatsu, Japan
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 9h and 36min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days in May
Hamamatsu, Japan
- Average sunshine days in May: 16.7 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in May
Hamamatsu, Japan
- Average UV index in May: 5
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
Hamamatsu, Japan
- Average cloud cover in May: 33
The month with the most cloud cover is June (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 25).
Average visibility in May
Hamamatsu, Japan
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
