Sukumo weather in May
In May, Sukumo sees average daytime highs of 23°C and overnight lows near 16°C, with 189 mm of rain across 12 wet days and about 13.7 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.
Highs climb over the month, from about 22°C in the first days to 24°C by the end. The sky is clear or mostly clear about 27% of the time in May, and the air most often feels dry.
Daylight stretches from about 13 h 18 min at the start of May to 14 hours by month's end. Set against the rest of the year, May is Sukumo's 10th-clearest and 7th-windiest month. For the whole year in context, see Sukumo's year-round climate.
- Daytime high
- 23°
- 6th warmest
- Overnight low
- 16°
- 7th coldest
- Rainfall
- 189 mm
- 12 wet days
- Daylight
- 13 h 42 min
- 5:15 AM – 6:56 PM
- Cloud cover
- 66%
- 10th clearest
- Wind
- 12 km/h
- 7th windiest
- Solar energy
- 5.46 kWh/m²
- Travel score
- 6.4
- out of 10
Sukumo is city in Kōchi Prefecture, Japan.
- Density
- 67/km²
- people per km²
- Founded
- 1954
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Highs climb over the month, from about 22°C in the first days to 24°C by the end.
A typical May day in Sukumo reaches about 23°C in the afternoon and slips back to 16°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 25°C. Set against its neighbours, May runs about 4°C warmer than April and about 3°C cooler than June.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg low (°C) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 21 | 15 |
| 2 | 21 | 15 |
| 3 | 22 | 15 |
| 4 | 22 | 15 |
| 5 | 22 | 15 |
| 6 | 22 | 15 |
| 7 | 22 | 15 |
| 8 | 22 | 16 |
| 9 | 22 | 16 |
| 10 | 22 | 16 |
| 11 | 22 | 16 |
| 12 | 23 | 16 |
| 13 | 23 | 16 |
| 14 | 23 | 16 |
| 15 | 23 | 16 |
| 16 | 23 | 16 |
| 17 | 23 | 16 |
| 18 | 23 | 17 |
| 19 | 23 | 17 |
| 20 | 23 | 17 |
| 21 | 23 | 17 |
| 22 | 23 | 17 |
| 23 | 23 | 17 |
| 24 | 24 | 17 |
| 25 | 24 | 17 |
| 26 | 24 | 17 |
| 27 | 24 | 18 |
| 28 | 24 | 18 |
| 29 | 24 | 18 |
| 30 | 24 | 18 |
| 31 | 24 | 18 |
How May really feels in Sukumo
Once humidity and wind are folded in, May 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.
May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Sukumo weather by month
How May compares with the rest of the year at a glance. May is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 11° / 5° | 66 | 6.3 | 10.1 | 2.8 |
| Feb | 12° / 5° | 84 | 8.2 | 10.8 | 3.1 |
| Mar | 15° / 8° | 136 | 11.3 | 11.7 | 4.4 |
| Apr | 19° / 12° | 160 | 11 | 12.8 | 6.0 |
| May | 23° / 16° | 189 | 12 | 13.7 | 6.4 |
| Jun | 25° / 20° | 328 | 16.6 | 14.1 | 5.4 |
| Jul | 29° / 24° | 252 | 15.8 | 14 | 4.6 |
| Aug | 30° / 25° | 192 | 15.4 | 13.2 | 4.4 |
| Sep | 28° / 22° | 239 | 14.9 | 12.2 | 5.4 |
| Oct | 23° / 17° | 183 | 10.1 | 11.2 | 7.0 |
| Nov | 18° / 12° | 108 | 8.7 | 10.3 | 6.1 |
| Dec | 13° / 7° | 80 | 6.7 | 9.9 | 4.1 |
Cloud cover in May
The sky is clear or mostly clear about 27% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 10% of May, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to cloud over as the month goes on.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 44 | 43 | 42 | 41 | 41 | 40 | 39 | 38 | 38 | 38 | 38 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 36 | 36 | 36 | 35 | 35 | 35 | 32 | 32 | 31 | 32 | 31 |
| Cloudier (%) | 56 | 57 | 58 | 59 | 59 | 60 | 61 | 62 | 62 | 62 | 62 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 64 | 64 | 64 | 65 | 65 | 65 | 68 | 68 | 69 | 68 | 69 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 44 | 56 |
| 2 | 43 | 57 |
| 3 | 42 | 58 |
| 4 | 41 | 59 |
| 5 | 41 | 59 |
| 6 | 40 | 60 |
| 7 | 39 | 61 |
| 8 | 38 | 62 |
| 9 | 38 | 62 |
| 10 | 38 | 62 |
| 11 | 38 | 62 |
| 12 | 37 | 63 |
| 13 | 37 | 63 |
| 14 | 37 | 63 |
| 15 | 37 | 63 |
| 16 | 37 | 63 |
| 17 | 37 | 63 |
| 18 | 37 | 63 |
| 19 | 37 | 63 |
| 20 | 37 | 63 |
| 21 | 36 | 64 |
| 22 | 36 | 64 |
| 23 | 36 | 64 |
| 24 | 35 | 65 |
| 25 | 35 | 65 |
| 26 | 35 | 65 |
| 27 | 32 | 68 |
| 28 | 32 | 68 |
| 29 | 31 | 69 |
| 30 | 32 | 68 |
| 31 | 31 | 69 |
Chance of precipitation in May
Sukumo gets around 189 mm of rain over 12 wet days in May. 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 40% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 38 | 38 | 38 | 39 | 39 | 39 | 40 | 40 | 40 | 40 | 39 | 39 | 39 | 38 | 38 | 37 | 37 | 36 | 36 | 36 | 36 | 36 | 36 | 37 | 37 | 37 | 37 | 38 | 38 | 39 | 40 |
| Rain chance (%) | |
|---|---|
| 1 | 38 |
| 2 | 38 |
| 3 | 38 |
| 4 | 39 |
| 5 | 39 |
| 6 | 39 |
| 7 | 40 |
| 8 | 40 |
| 9 | 40 |
| 10 | 40 |
| 11 | 39 |
| 12 | 39 |
| 13 | 39 |
| 14 | 38 |
| 15 | 38 |
| 16 | 37 |
| 17 | 37 |
| 18 | 36 |
| 19 | 36 |
| 20 | 36 |
| 21 | 36 |
| 22 | 36 |
| 23 | 36 |
| 24 | 37 |
| 25 | 37 |
| 26 | 37 |
| 27 | 37 |
| 28 | 38 |
| 29 | 38 |
| 30 | 39 |
| 31 | 40 |
Humidity in May
Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the dry band about 33% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 52 | 51 | 48 | 47 | 45 | 44 | 43 | 42 | 41 | 40 | 39 | 38 | 37 | 36 | 35 | 34 | 32 | 31 | 30 | 29 | 28 | 26 | 25 | 23 | 22 | 20 | 18 | 17 | 15 | 14 | 12 |
| Comfortable (%) | 27 | 27 | 28 | 28 | 29 | 29 | 30 | 30 | 31 | 31 | 32 | 32 | 33 | 34 | 35 | 35 | 36 | 36 | 36 | 36 | 36 | 36 | 35 | 35 | 34 | 33 | 33 | 31 | 30 | 29 | 27 |
| Humid (%) | 15 | 16 | 17 | 17 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 21 | 21 | 22 | 23 | 24 | 26 | 27 | 29 | 30 | 32 | 34 | 35 | 37 | 39 | 40 |
| Muggy (%) | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Oppressive (%) | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 52 | 27 | 15 | 6 | 0 |
| 2 | 51 | 27 | 16 | 6 | 0 |
| 3 | 48 | 28 | 17 | 6 | 0 |
| 4 | 47 | 28 | 17 | 7 | 1 |
| 5 | 45 | 29 | 18 | 7 | 1 |
| 6 | 44 | 29 | 19 | 8 | 1 |
| 7 | 43 | 30 | 19 | 8 | 1 |
| 8 | 42 | 30 | 19 | 8 | 1 |
| 9 | 41 | 31 | 19 | 9 | 1 |
| 10 | 40 | 31 | 19 | 9 | 1 |
| 11 | 39 | 32 | 19 | 9 | 0 |
| 12 | 38 | 32 | 19 | 10 | 0 |
| 13 | 37 | 33 | 20 | 10 | 0 |
| 14 | 36 | 34 | 20 | 10 | 0 |
| 15 | 35 | 35 | 20 | 10 | 0 |
| 16 | 34 | 35 | 20 | 10 | 0 |
| 17 | 32 | 36 | 21 | 10 | 1 |
| 18 | 31 | 36 | 21 | 11 | 1 |
| 19 | 30 | 36 | 22 | 11 | 1 |
| 20 | 29 | 36 | 23 | 11 | 1 |
| 21 | 28 | 36 | 24 | 11 | 1 |
| 22 | 26 | 36 | 26 | 12 | 1 |
| 23 | 25 | 35 | 27 | 12 | 1 |
| 24 | 23 | 35 | 29 | 12 | 1 |
| 25 | 22 | 34 | 30 | 12 | 1 |
| 26 | 20 | 33 | 32 | 13 | 1 |
| 27 | 18 | 33 | 34 | 14 | 2 |
| 28 | 17 | 31 | 35 | 15 | 2 |
| 29 | 15 | 30 | 37 | 16 | 2 |
| 30 | 14 | 29 | 39 | 17 | 2 |
| 31 | 12 | 27 | 40 | 18 | 2 |
Wind in May
Winds average 12 km/h in May.
Across May, daily wind ranges from about 11 km/h on the calmest days to 12 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Feels | light breeze | light breeze | light breeze | light breeze | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 12 | light breeze |
| 2 | 12 | light breeze |
| 3 | 12 | light breeze |
| 4 | 12 | light breeze |
| 5 | 12 | calm |
| 6 | 12 | calm |
| 7 | 12 | calm |
| 8 | 12 | calm |
| 9 | 12 | calm |
| 10 | 12 | calm |
| 11 | 12 | calm |
| 12 | 12 | calm |
| 13 | 12 | calm |
| 14 | 12 | calm |
| 15 | 12 | calm |
| 16 | 12 | calm |
| 17 | 12 | calm |
| 18 | 12 | calm |
| 19 | 12 | calm |
| 20 | 12 | calm |
| 21 | 11 | calm |
| 22 | 11 | calm |
| 23 | 11 | calm |
| 24 | 11 | calm |
| 25 | 11 | calm |
| 26 | 11 | calm |
| 27 | 11 | calm |
| 28 | 11 | calm |
| 29 | 11 | calm |
| 30 | 11 | calm |
| 31 | 11 | calm |
Sunrise & sunset in May
Daylight runs from about 13 h 18 min at the start of May to 14 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 42 minutes over May. Sunrise moves from 5:28 AM to 5:07 AM, and sunset from 6:45 PM to 7:06 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.3 | 13.3 | 13.3 | 13.4 | 13.4 | 13.4 | 13.5 | 13.5 | 13.5 | 13.5 | 13.6 | 13.6 | 13.6 | 13.6 | 13.7 | 13.7 | 13.7 | 13.7 | 13.8 | 13.8 | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 14.0 | 14.0 | 14.0 |
| Sunrise (AM) | 5:28 | 5:27 | 5:26 | 5:25 | 5:24 | 5:23 | 5:22 | 5:21 | 5:20 | 5:19 | 5:18 | 5:18 | 5:17 | 5:16 | 5:15 | 5:15 | 5:14 | 5:13 | 5:13 | 5:12 | 5:11 | 5:11 | 5:10 | 5:10 | 5:09 | 5:09 | 5:08 | 5:08 | 5:07 | 5:07 | 5:07 |
| Sunset (PM) | 6:45 | 6:46 | 6:46 | 6:47 | 6:48 | 6:49 | 6:49 | 6:50 | 6:51 | 6:52 | 6:52 | 6:53 | 6:54 | 6:55 | 6:55 | 6:56 | 6:57 | 6:57 | 6:58 | 6:59 | 7:00 | 7:00 | 7:01 | 7:02 | 7:02 | 7:03 | 7:04 | 7:04 | 7:05 | 7:06 | 7:06 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.3 | 5:28 | 6:45 |
| 2 | 13.3 | 5:27 | 6:46 |
| 3 | 13.3 | 5:26 | 6:46 |
| 4 | 13.4 | 5:25 | 6:47 |
| 5 | 13.4 | 5:24 | 6:48 |
| 6 | 13.4 | 5:23 | 6:49 |
| 7 | 13.5 | 5:22 | 6:49 |
| 8 | 13.5 | 5:21 | 6:50 |
| 9 | 13.5 | 5:20 | 6:51 |
| 10 | 13.5 | 5:19 | 6:52 |
| 11 | 13.6 | 5:18 | 6:52 |
| 12 | 13.6 | 5:18 | 6:53 |
| 13 | 13.6 | 5:17 | 6:54 |
| 14 | 13.6 | 5:16 | 6:55 |
| 15 | 13.7 | 5:15 | 6:55 |
| 16 | 13.7 | 5:15 | 6:56 |
| 17 | 13.7 | 5:14 | 6:57 |
| 18 | 13.7 | 5:13 | 6:57 |
| 19 | 13.8 | 5:13 | 6:58 |
| 20 | 13.8 | 5:12 | 6:59 |
| 21 | 13.8 | 5:11 | 7:00 |
| 22 | 13.8 | 5:11 | 7:00 |
| 23 | 13.8 | 5:10 | 7:01 |
| 24 | 13.9 | 5:10 | 7:02 |
| 25 | 13.9 | 5:09 | 7:02 |
| 26 | 13.9 | 5:09 | 7:03 |
| 27 | 13.9 | 5:08 | 7:04 |
| 28 | 13.9 | 5:08 | 7:04 |
| 29 | 14.0 | 5:07 | 7:05 |
| 30 | 14.0 | 5:07 | 7:06 |
| 31 | 14.0 | 5:07 | 7:06 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 5.46 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 2.56 kWh/m² to a high of 5.46 kWh/m² in May across the year — May's 5.46 kWh/m² sits near the top of that range.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 |
| 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 | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.4 | Bright |
| 2 | 5.4 | Bright |
| 3 | 5.4 | Bright |
| 4 | 5.4 | Bright |
| 5 | 5.4 | Bright |
| 6 | 5.4 | Bright |
| 7 | 5.4 | Bright |
| 8 | 5.4 | Bright |
| 9 | 5.4 | Bright |
| 10 | 5.4 | Bright |
| 11 | 5.5 | Bright |
| 12 | 5.5 | Bright |
| 13 | 5.5 | Bright |
| 14 | 5.5 | Bright |
| 15 | 5.5 | Bright |
| 16 | 5.5 | Bright |
| 17 | 5.5 | Bright |
| 18 | 5.5 | Bright |
| 19 | 5.5 | Bright |
| 20 | 5.5 | Bright |
| 21 | 5.5 | Bright |
| 22 | 5.5 | Bright |
| 23 | 5.5 | Bright |
| 24 | 5.5 | Bright |
| 25 | 5.5 | Bright |
| 26 | 5.4 | Bright |
| 27 | 5.4 | Bright |
| 28 | 5.4 | Bright |
| 29 | 5.3 | Bright |
| 30 | 5.3 | Bright |
| 31 | 5.3 | Bright |
Hazard calendar for Sukumo
In May, Sukumo sits inside its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.
Sukumo sits in the Pacific typhoon belt; the season peaks July–October.
Sukumo's rainy season runs April–October, when most of the year's rain falls.
Is May a good time to visit Sukumo?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit Sukumo for sightseeing.
What to pack for Sukumo in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Sukumo sees daytime highs around 23°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.
Sea temperature near Sukumo in May
The nearest coast averages about 21°C in May — 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 18°C.
It's comfortable for a long swim from May 1 to Dec 23 — about 7.8 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 19 | 18 | 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 | 19 | Cool |
| Feb | 18 | 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 Sukumo in May
Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Sukumo peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 6 | 7 | 8 | 11 | 11 | 10 | 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 | 5 | Moderate |
| Mar | 6 | High |
| Apr | 7 | Very high |
| May | 8 | Very high |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 10 | Very high |
| Sep | 10 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Sukumo in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Sukumo is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 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) | 13 | 15 | 19 | 20 | 18 | 15 | 11 | 11 | 10 | 10 | 11 | 10 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 15 | Moderate |
| Mar | 19 | Moderate |
| Apr | 20 | Moderate |
| May | 18 | Moderate |
| Jun | 15 | Moderate |
| Jul | 11 | Good |
| Aug | 11 | Good |
| Sep | 10 | Good |
| Oct | 10 | Good |
| Nov | 11 | Good |
| Dec | 10 | Good |
Where is Sukumo?
Sukumo sits at 32.9°N, 132.7°E, 12 m above sea level, in Japan. The nearest listed city is Mishōhirajō, 16 km away.
Topography around Sukumo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sukumo.
Within 3 km, the terrain around Sukumo has significant variations in elevation — a maximum elevation change of 454 m around an average of 116 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,052 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,528 m.
The land around Sukumo is covered by trees (76%) within 3 km, trees (79%) within 16 km, and water (62%) and trees (36%) 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 Sukumo (32.9333°, 132.7333°, elevation 12 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).