Shirahama weather in April
In April, Shirahama sees average daytime highs of 17°C and overnight lows near 13°C, with 158 mm of rain across 11.1 wet days and about 12.8 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.
Highs climb over the month, from about 15°C in the first days to 19°C by the end. The sky is clear or mostly clear about 36% of the time in April, and the air most often feels dry.
Daylight stretches from about 12 h 18 min at the start of April to 13 h 18 min by month's end. Set against the rest of the year, April is Shirahama's 5th-clearest and 6th-windiest month. For the whole year in context, see Shirahama's year-round climate.
- Daytime high
- 17°
- 8th warmest
- Overnight low
- 13°
- 5th coldest
- Rainfall
- 158 mm
- 11.1 wet days
- Daylight
- 12 h 48 min
- 5:34 AM – 6:24 PM
- Cloud cover
- 56%
- 5th clearest
- Wind
- 18 km/h
- 6th windiest
- Solar energy
- 5.33 kWh/m²
- Travel score
- 5.4
- out of 10
Temperature in April
Highs climb over the month, from about 15°C in the first days to 19°C by the end.
A typical April day in Shirahama reaches about 17°C in the afternoon and slips back to 13°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 20°C. Set against its neighbours, April runs about 4°C warmer than March and about 4°C cooler than May.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 |
| Avg low (°C) | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 15 | 11 |
| 2 | 15 | 11 |
| 3 | 15 | 11 |
| 4 | 16 | 11 |
| 5 | 16 | 11 |
| 6 | 16 | 12 |
| 7 | 16 | 12 |
| 8 | 16 | 12 |
| 9 | 16 | 12 |
| 10 | 16 | 12 |
| 11 | 17 | 12 |
| 12 | 17 | 12 |
| 13 | 17 | 13 |
| 14 | 17 | 13 |
| 15 | 17 | 13 |
| 16 | 17 | 13 |
| 17 | 17 | 13 |
| 18 | 17 | 13 |
| 19 | 18 | 14 |
| 20 | 18 | 14 |
| 21 | 18 | 14 |
| 22 | 18 | 14 |
| 23 | 18 | 14 |
| 24 | 18 | 14 |
| 25 | 18 | 14 |
| 26 | 18 | 15 |
| 27 | 19 | 15 |
| 28 | 19 | 15 |
| 29 | 19 | 15 |
| 30 | 19 | 15 |
How April really feels in Shirahama
Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Shirahama weather by month
How April compares with the rest of the year at a glance. April is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 10° / 6° | 95 | 11.6 | 0.5 | 10 | 2.3 |
| Feb | 11° / 6° | 104 | 11.1 | 0.5 | 10.7 | 2.4 |
| Mar | 13° / 9° | 151 | 12.3 | 0 | 11.7 | 3.7 |
| Apr | 17° / 13° | 158 | 11.1 | 0 | 12.8 | 5.4 |
| May | 21° / 17° | 177 | 11 | 0 | 13.7 | 6.2 |
| Jun | 24° / 21° | 293 | 15.4 | 0 | 14.2 | 5.6 |
| Jul | 27° / 24° | 246 | 14.4 | 0 | 14 | 5.7 |
| Aug | 28° / 25° | 146 | 13.3 | 0 | 13.3 | 5.6 |
| Sep | 26° / 23° | 215 | 13.3 | 0 | 12.2 | 6.1 |
| Oct | 22° / 18° | 217 | 11.2 | 0 | 11.2 | 6.6 |
| Nov | 17° / 14° | 127 | 8.8 | 0 | 10.3 | 5.8 |
| Dec | 13° / 9° | 97 | 10.1 | 0.1 | 9.8 | 3.6 |
Cloud cover in April
The sky is clear or mostly clear about 36% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 50%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 53 | 53 | 53 | 53 | 53 | 53 | 52 | 53 | 52 | 52 | 52 | 51 | 50 | 50 | 49 | 49 | 48 | 48 | 47 | 47 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 47 | 47 | 47 |
| Cloudier (%) | 47 | 47 | 47 | 47 | 47 | 47 | 48 | 47 | 48 | 48 | 48 | 49 | 50 | 50 | 51 | 51 | 52 | 52 | 53 | 53 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 53 | 53 | 53 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 53 | 47 |
| 2 | 53 | 47 |
| 3 | 53 | 47 |
| 4 | 53 | 47 |
| 5 | 53 | 47 |
| 6 | 53 | 47 |
| 7 | 52 | 48 |
| 8 | 53 | 47 |
| 9 | 52 | 48 |
| 10 | 52 | 48 |
| 11 | 52 | 48 |
| 12 | 51 | 49 |
| 13 | 50 | 50 |
| 14 | 50 | 50 |
| 15 | 49 | 51 |
| 16 | 49 | 51 |
| 17 | 48 | 52 |
| 18 | 48 | 52 |
| 19 | 47 | 53 |
| 20 | 47 | 53 |
| 21 | 48 | 52 |
| 22 | 48 | 52 |
| 23 | 48 | 52 |
| 24 | 48 | 52 |
| 25 | 48 | 52 |
| 26 | 48 | 52 |
| 27 | 48 | 52 |
| 28 | 47 | 53 |
| 29 | 47 | 53 |
| 30 | 47 | 53 |
Chance of precipitation in April
Shirahama gets around 158 mm of rain over 11.1 wet days in April. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 38% and peaks near 41% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 37 | 36 | 36 | 36 | 36 | 36 | 36 | 37 | 37 | 38 | 38 | 39 | 40 | 40 | 40 | 41 | 41 | 41 | 40 | 40 | 39 | 39 | 38 | 37 | 37 | 36 | 36 | 35 | 35 | 35 |
| Rain chance (%) | |
|---|---|
| 1 | 37 |
| 2 | 36 |
| 3 | 36 |
| 4 | 36 |
| 5 | 36 |
| 6 | 36 |
| 7 | 36 |
| 8 | 37 |
| 9 | 37 |
| 10 | 38 |
| 11 | 38 |
| 12 | 39 |
| 13 | 40 |
| 14 | 40 |
| 15 | 40 |
| 16 | 41 |
| 17 | 41 |
| 18 | 41 |
| 19 | 40 |
| 20 | 40 |
| 21 | 39 |
| 22 | 39 |
| 23 | 38 |
| 24 | 37 |
| 25 | 37 |
| 26 | 36 |
| 27 | 36 |
| 28 | 35 |
| 29 | 35 |
| 30 | 35 |
Humidity in April
Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the dry band about 72% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 89 | 88 | 87 | 86 | 85 | 84 | 83 | 83 | 82 | 80 | 78 | 77 | 76 | 75 | 74 | 72 | 71 | 70 | 69 | 67 | 66 | 64 | 62 | 60 | 59 | 57 | 56 | 53 | 51 | 50 |
| Comfortable (%) | 9 | 9 | 10 | 11 | 11 | 12 | 13 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 24 | 25 | 26 | 27 | 28 | 28 | 29 | 29 | 30 | 30 | 30 |
| Humid (%) | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 16 | 17 |
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 4 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 89 | 9 | 2 | 0 |
| 2 | 88 | 9 | 3 | 0 |
| 3 | 87 | 10 | 3 | 0 |
| 4 | 86 | 11 | 3 | 0 |
| 5 | 85 | 11 | 4 | 0 |
| 6 | 84 | 12 | 4 | 0 |
| 7 | 83 | 13 | 4 | 0 |
| 8 | 83 | 13 | 4 | 0 |
| 9 | 82 | 14 | 4 | 0 |
| 10 | 80 | 15 | 5 | 0 |
| 11 | 78 | 16 | 5 | 1 |
| 12 | 77 | 17 | 5 | 1 |
| 13 | 76 | 18 | 5 | 1 |
| 14 | 75 | 19 | 5 | 1 |
| 15 | 74 | 20 | 5 | 1 |
| 16 | 72 | 21 | 6 | 1 |
| 17 | 71 | 22 | 6 | 1 |
| 18 | 70 | 23 | 6 | 1 |
| 19 | 69 | 24 | 6 | 1 |
| 20 | 67 | 24 | 7 | 2 |
| 21 | 66 | 25 | 7 | 2 |
| 22 | 64 | 26 | 8 | 2 |
| 23 | 62 | 27 | 9 | 2 |
| 24 | 60 | 28 | 10 | 2 |
| 25 | 59 | 28 | 11 | 2 |
| 26 | 57 | 29 | 12 | 2 |
| 27 | 56 | 29 | 13 | 2 |
| 28 | 53 | 30 | 14 | 3 |
| 29 | 51 | 30 | 16 | 3 |
| 30 | 50 | 30 | 17 | 4 |
Wind in April
Winds average 18 km/h in April.
Across April, daily wind ranges from about 17 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 20 | light breeze |
| 2 | 20 | light breeze |
| 3 | 19 | light breeze |
| 4 | 19 | light breeze |
| 5 | 19 | light breeze |
| 6 | 19 | light breeze |
| 7 | 19 | light breeze |
| 8 | 19 | light breeze |
| 9 | 19 | light breeze |
| 10 | 19 | light breeze |
| 11 | 19 | light breeze |
| 12 | 19 | light breeze |
| 13 | 19 | light breeze |
| 14 | 18 | light breeze |
| 15 | 18 | light breeze |
| 16 | 18 | light breeze |
| 17 | 18 | light breeze |
| 18 | 18 | light breeze |
| 19 | 18 | light breeze |
| 20 | 18 | light breeze |
| 21 | 18 | light breeze |
| 22 | 18 | light breeze |
| 23 | 18 | light breeze |
| 24 | 18 | light breeze |
| 25 | 18 | light breeze |
| 26 | 18 | light breeze |
| 27 | 18 | light breeze |
| 28 | 18 | light breeze |
| 29 | 17 | light breeze |
| 30 | 17 | light breeze |
Sunrise & sunset in April
Daylight runs from about 12 h 18 min at the start of April to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 60 minutes over April. Sunrise moves from 5:54 AM to 5:17 AM, and sunset from 6:13 PM to 6:35 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.3 | 12.3 | 12.4 | 12.4 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 13.0 | 13.0 | 13.0 | 13.1 | 13.1 | 13.1 | 13.2 | 13.2 | 13.2 | 13.3 | 13.3 |
| Sunrise (AM) | 5:54 | 5:52 | 5:51 | 5:50 | 5:48 | 5:47 | 5:46 | 5:44 | 5:43 | 5:42 | 5:40 | 5:39 | 5:38 | 5:36 | 5:35 | 5:34 | 5:32 | 5:31 | 5:30 | 5:29 | 5:27 | 5:26 | 5:25 | 5:24 | 5:23 | 5:22 | 5:20 | 5:19 | 5:18 | 5:17 |
| Sunset (PM) | 6:13 | 6:13 | 6:14 | 6:15 | 6:16 | 6:16 | 6:17 | 6:18 | 6:19 | 6:19 | 6:20 | 6:21 | 6:22 | 6:22 | 6:23 | 6:24 | 6:25 | 6:25 | 6:26 | 6:27 | 6:28 | 6:29 | 6:29 | 6:30 | 6:31 | 6:32 | 6:32 | 6:33 | 6:34 | 6:35 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.3 | 5:54 | 6:13 |
| 2 | 12.3 | 5:52 | 6:13 |
| 3 | 12.4 | 5:51 | 6:14 |
| 4 | 12.4 | 5:50 | 6:15 |
| 5 | 12.5 | 5:48 | 6:16 |
| 6 | 12.5 | 5:47 | 6:16 |
| 7 | 12.5 | 5:46 | 6:17 |
| 8 | 12.6 | 5:44 | 6:18 |
| 9 | 12.6 | 5:43 | 6:19 |
| 10 | 12.6 | 5:42 | 6:19 |
| 11 | 12.7 | 5:40 | 6:20 |
| 12 | 12.7 | 5:39 | 6:21 |
| 13 | 12.7 | 5:38 | 6:22 |
| 14 | 12.8 | 5:36 | 6:22 |
| 15 | 12.8 | 5:35 | 6:23 |
| 16 | 12.8 | 5:34 | 6:24 |
| 17 | 12.9 | 5:32 | 6:25 |
| 18 | 12.9 | 5:31 | 6:25 |
| 19 | 12.9 | 5:30 | 6:26 |
| 20 | 13.0 | 5:29 | 6:27 |
| 21 | 13.0 | 5:27 | 6:28 |
| 22 | 13.0 | 5:26 | 6:29 |
| 23 | 13.1 | 5:25 | 6:29 |
| 24 | 13.1 | 5:24 | 6:30 |
| 25 | 13.1 | 5:23 | 6:31 |
| 26 | 13.2 | 5:22 | 6:32 |
| 27 | 13.2 | 5:20 | 6:32 |
| 28 | 13.2 | 5:19 | 6:33 |
| 29 | 13.3 | 5:18 | 6:34 |
| 30 | 13.3 | 5:17 | 6:35 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 5.33 kWh/m².
For context, solar energy here swings from a low near 2.44 kWh/m² to a high of 5.6 kWh/m² in May across the year — April's 5.33 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.0 | 5.0 | 5.0 | 5.1 | 5.1 | 5.1 | 5.1 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.0 | Bright |
| 2 | 5.0 | Bright |
| 3 | 5.0 | Bright |
| 4 | 5.1 | Bright |
| 5 | 5.1 | Bright |
| 6 | 5.1 | Bright |
| 7 | 5.1 | Bright |
| 8 | 5.2 | Bright |
| 9 | 5.2 | Bright |
| 10 | 5.2 | Bright |
| 11 | 5.2 | Bright |
| 12 | 5.2 | Bright |
| 13 | 5.3 | Bright |
| 14 | 5.3 | Bright |
| 15 | 5.3 | Bright |
| 16 | 5.3 | Bright |
| 17 | 5.3 | Bright |
| 18 | 5.3 | Bright |
| 19 | 5.4 | Bright |
| 20 | 5.4 | Bright |
| 21 | 5.4 | Bright |
| 22 | 5.4 | Bright |
| 23 | 5.4 | Bright |
| 24 | 5.5 | Bright |
| 25 | 5.5 | Bright |
| 26 | 5.5 | Bright |
| 27 | 5.5 | Bright |
| 28 | 5.5 | Bright |
| 29 | 5.5 | Bright |
| 30 | 5.5 | Bright |
Hazard calendar for Shirahama
In April, Shirahama sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Shirahama sits in the Pacific typhoon belt; the season peaks July–October.
Is April a good time to visit Shirahama?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is a reasonable time to visit Shirahama for sightseeing.
What to pack for Shirahama in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Shirahama sees daytime highs around 17°C and nights near 13°C. Worth packing: rain gear and sun protection. About 11 days see rain.
Sea temperature near Shirahama in April
The nearest coast averages about 19°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 28°C and coldest in February near 17°C.
It's comfortable for a long swim from May 4 to Dec 22 — about 7.7 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 18 | 17 | 18 | 19 | 21 | 23 | 26 | 28 | 27 | 25 | 23 | 20 |
| Comfort | Cool | Cool | Cool | Cool | Refreshing | Refreshing | Warm | Warm | Warm | Warm | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 18 | Cool |
| Feb | 17 | Cool |
| Mar | 18 | Cool |
| Apr | 19 | Cool |
| May | 21 | Refreshing |
| Jun | 23 | Refreshing |
| Jul | 26 | Warm |
| Aug | 28 | Warm |
| Sep | 27 | Warm |
| Oct | 25 | Warm |
| Nov | 23 | Refreshing |
| Dec | 20 | Refreshing |
UV index in Shirahama in April
Clear-sky midday UV in April peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Shirahama peaks around July 11 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 6 | 7 | 9 | 10 | 11 | 9 | 10 | 6 | 4 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 6 | High |
| Apr | 7 | Very high |
| May | 9 | Very high |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 9 | Very high |
| Sep | 10 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Shirahama in April
Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.
Air quality in Shirahama is worst in April — around 19 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 10 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 12 | 15 | 19 | 19 | 17 | 14 | 10 | 10 | 10 | 10 | 11 | 10 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 15 | Moderate |
| Mar | 19 | Moderate |
| Apr | 19 | Moderate |
| May | 17 | Moderate |
| Jun | 14 | Moderate |
| Jul | 10 | Good |
| Aug | 10 | Good |
| Sep | 10 | Good |
| Oct | 10 | Good |
| Nov | 11 | Good |
| Dec | 10 | Good |
Where is Shirahama?
Shirahama sits at 33.7°N, 135.3°E, 13 m above sea level, in Japan. The nearest listed city is Tanabe, 6.0 km away.
Topography around Shirahama
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Shirahama.
Within 3 km, the terrain around Shirahama has only modest variations in elevation — a maximum elevation change of 148 m around an average of 22 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 789 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,877 m.
The land around Shirahama is covered by water (57%) and trees (26%) within 3 km, water (53%) and trees (41%) within 16 km, and water (54%) and trees (43%) within 80 km.
Japan travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 100 V · 50 / 60 Hz
- Prices
- ≈ 65% of US
- price level, 2025
- GDP per capita
- $35,951
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 0.2
- per 100k, 2023
- Road deaths
- 3.6
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very low
- EF EPI 446
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Shirahama (33.6833°, 135.35°, elevation 13 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).