Chase the autumn leaves in Japan
Japan is one of these cases which turns into a gold, yellow and orange fairy tale starting from September. And we can honestly say: We cannot imagine a more beautiful season to visit Japan.
Shirahama Weather in May
Shirahama in May sees high daytime temperatures of 22°C (72°F) and nighttime lows of 17°C (63°F). As part of the rainy season, showers are frequent and often heavy. Budget around 192 mm (7.6 in) of rainfall for the month.
Rainfall in Shirahama in May
As part of the rainy season, Shirahama sees around 16 days of rain in May, with an average of 192 mm (7.6 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in Shirahama in May
Daytime temperatures in Shirahama reach 22°C (72°F) in May, dropping to 17°C (63°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 17°C (63°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Shirahama in May
The city usually sees around 203 hours of sunlight, indicating many sunny days despite it being the rainy season.If your ideal day consists of dry skies and pleasant temperatures, April, May and November typically offer the best circumstances for Shirahama.
Shirahama Temperature in May
Min Temperature
17°C (63°F)
Max Temperature
22°C (72°F)
Chance of Rain
53%
Precipitation
192 mm (7.6 in)
Rainy days
16 days
Humidity
68% *
Sunshine
203 hours *
Percentage Sunshine
*
* Data from: Wakayama, Japan (63 KM, 39 Miles).
Shirahama Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Shirahama - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Shirahama typically stay consistent throughout May, with daily highs averaging around 22°C (72°F). Nights are pleasant, with lows typically ranging from 15°C (59°F) to 18°C (64°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Shirahama in May
Browse day-by-day weather records for Shirahama spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Shirahama historical weather extremes in May
Based on 50 years of weather observations in Shirahama between 1976 and 2026, these are the recorded extremes.
- The warmest day in May was on May 20, 1977, with a maximum of 30°C (86°F).
- The coldest May day was on May 3, 1976, with a maximum of 15°C (59°F).
- The lowest overnight temperature recorded in May was 8°C (46°F) (May 2, 1980).
Best Places in Japan in May
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Shirahama in May
For Shirahama in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Shirahama in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Camping6/10
Shirahama 3-Day Forecast
More climate data for Shirahama
Temperature Rainfall Sunshine Humidity
See the full Shirahama climate overview or explore weather in Japan.
Popular in May
Where to go in May - average daytime high across popular destinations.
Bucket list
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