Shirahama
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Shirahama Weather in April

Thinking of visiting Shirahama in April? Expect pleasant temperatures reaching 19°C (66°F) during the day, dropping to 12°C (54°F) at night. Heavy showers are common during the rainy season.

Rainfall in Shirahama in April

Shirahama is in the rainy season in April, with rain on around 16 days and an average of 176 mm (6.9 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.

Temperature in Shirahama in April

Expect highs of 19°C (66°F) in Shirahama in April, with nights dropping to around 12°C (54°F). Conditions are often most pleasant around the middle of the day. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Shirahama in April

You can expect a moderate amount of sunlight, with approximately 180 hours. Even though this month is part of the wet season, you can still see the sun occasionally.

If you're a fan of comfortable temperatures and drier conditions, April is a great time to visit.

Shirahama Temperature in April

Min Temperature
12°C (54°F)
Max Temperature
19°C (66°F)
Chance of Rain
53%
Precipitation
176 mm (6.9 in)
Rainy days
16 days
Humidity
65% *
Sunshine
180 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 rise from around 17°C (63°F) at the start of April to approximately 21°C (70°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 14°C (57°F).

Average temperatures in April

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 April

Historical weather records for Shirahama in April

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 April

Based on 50 years of weather observations in Shirahama between 1976 and 2026, these are the recorded extremes.

  • Shirahama recorded its highest April temperature of 26°C (79°F) on April 26, 2019.
  • The lowest daytime temperature in April was 9°C (48°F), recorded on April 3, 1996.
  • Nighttime temperatures dropped to 3°C (37°F) on April 1, 1987, marking the coldest April night on record.

Best Places in Japan in April

Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in April →

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 April

For Shirahama in April, 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Shirahama in April

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    6/10
  • Camping
    6/10

Shirahama 3-Day Forecast

More climate data for Shirahama

Popular in April

Where to go in April - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.