Owase weather in December
In December, Owase sees average daytime highs of 12°C and overnight lows near 8°C, with 97 mm of precipitation across 7.6 wet days and about 9.8 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.
Highs ease over the month, from about 14°C in the first days to 10°C by the end. The sky is clear or mostly clear about 59% of the time in December, and the air most often feels dry.
Daylight stretches from about 9 h 54 min at the start of December to 9 h 48 min by month's end. Set against the rest of the year, December is Owase's 1st-clearest and 4th-windiest month. For the whole year in context, see Owase's year-round climate.
- Daytime high
- 12°
- 10th warmest
- Overnight low
- 8°
- 4th coldest
- Precipitation
- 97 mm
- 7.6 wet days
- Daylight
- 9 h 42 min
- 6:59 AM – 4:44 PM
- Cloud cover
- 40%
- 1st clearest
- Wind
- 16 km/h
- 4th windiest
- Solar energy
- 2.69 kWh/m²
- Travel score
- 3.5
- out of 10
Owase is city in Mie Prefecture, Japan.
- Density
- 88/km²
- people per km²
- Founded
- 1954
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Highs ease over the month, from about 14°C in the first days to 10°C by the end.
A typical December day in Owase reaches about 12°C in the afternoon and slips back to 8°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 15°C. Set against its neighbours, December runs about 5°C cooler than November and about 3°C warmer than January.
| 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) | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 |
| Avg low (°C) | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 14 | 10 |
| 2 | 14 | 10 |
| 3 | 14 | 10 |
| 4 | 14 | 10 |
| 5 | 13 | 10 |
| 6 | 13 | 9 |
| 7 | 13 | 9 |
| 8 | 13 | 9 |
| 9 | 13 | 9 |
| 10 | 13 | 9 |
| 11 | 12 | 9 |
| 12 | 12 | 8 |
| 13 | 12 | 8 |
| 14 | 12 | 8 |
| 15 | 12 | 8 |
| 16 | 12 | 8 |
| 17 | 12 | 8 |
| 18 | 12 | 8 |
| 19 | 11 | 8 |
| 20 | 11 | 8 |
| 21 | 11 | 7 |
| 22 | 11 | 7 |
| 23 | 11 | 7 |
| 24 | 11 | 7 |
| 25 | 11 | 7 |
| 26 | 11 | 7 |
| 27 | 11 | 7 |
| 28 | 11 | 7 |
| 29 | 10 | 7 |
| 30 | 10 | 7 |
| 31 | 10 | 6 |
Owase weather by month
How December compares with the rest of the year at a glance. December is the 10th-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 9° / 6° | 97 | 7.1 | 1.4 | 10 | 2.2 |
| Feb | 10° / 6° | 100 | 8.5 | 1.3 | 10.7 | 2.4 |
| Mar | 13° / 8° | 183 | 11.4 | 0.6 | 11.7 | 3.5 |
| Apr | 16° / 12° | 194 | 11.5 | 0 | 12.8 | 5.0 |
| May | 20° / 17° | 231 | 13.3 | 0 | 13.7 | 5.7 |
| Jun | 23° / 20° | 326 | 17.1 | 0 | 14.2 | 5.2 |
| Jul | 26° / 24° | 244 | 16.1 | 0 | 14 | 5.6 |
| Aug | 27° / 25° | 230 | 15 | 0 | 13.3 | 5.8 |
| Sep | 25° / 22° | 329 | 17 | 0 | 12.2 | 5.7 |
| Oct | 21° / 18° | 343 | 15.1 | 0 | 11.1 | 5.8 |
| Nov | 17° / 13° | 156 | 10.4 | 0 | 10.2 | 5.4 |
| Dec | 12° / 8° | 97 | 7.6 | 0.4 | 9.8 | 3.5 |
Cloud cover in December
The sky is clear or mostly clear about 59% of the time in December, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to open up 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 (%) | 68 | 68 | 68 | 69 | 69 | 70 | 71 | 71 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 73 | 72 | 72 | 73 | 73 | 75 | 75 | 75 | 76 | 76 | 77 | 77 | 78 | 77 | 77 | 77 |
| Cloudier (%) | 32 | 32 | 32 | 31 | 31 | 30 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 27 | 27 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 22 | 23 | 23 | 23 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 68 | 32 |
| 2 | 68 | 32 |
| 3 | 68 | 32 |
| 4 | 69 | 31 |
| 5 | 69 | 31 |
| 6 | 70 | 30 |
| 7 | 71 | 29 |
| 8 | 71 | 29 |
| 9 | 72 | 28 |
| 10 | 72 | 28 |
| 11 | 72 | 28 |
| 12 | 72 | 28 |
| 13 | 72 | 28 |
| 14 | 72 | 28 |
| 15 | 72 | 28 |
| 16 | 73 | 27 |
| 17 | 72 | 28 |
| 18 | 72 | 28 |
| 19 | 73 | 27 |
| 20 | 73 | 27 |
| 21 | 75 | 25 |
| 22 | 75 | 25 |
| 23 | 75 | 25 |
| 24 | 76 | 24 |
| 25 | 76 | 24 |
| 26 | 77 | 23 |
| 27 | 77 | 23 |
| 28 | 78 | 22 |
| 29 | 77 | 23 |
| 30 | 77 | 23 |
| 31 | 77 | 23 |
Chance of precipitation in December
Owase gets around 97 mm of rain and snow over 7.6 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 25% and peaks near 30% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.
| 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 (%) | 30 | 30 | 30 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 20 | 19 |
| Snow chance (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 30 | 0 |
| 2 | 30 | 0 |
| 3 | 30 | 0 |
| 4 | 29 | 0 |
| 5 | 29 | 0 |
| 6 | 28 | 0 |
| 7 | 28 | 0 |
| 8 | 28 | 0 |
| 9 | 27 | 0 |
| 10 | 27 | 0 |
| 11 | 26 | 1 |
| 12 | 26 | 1 |
| 13 | 26 | 1 |
| 14 | 25 | 1 |
| 15 | 25 | 1 |
| 16 | 24 | 1 |
| 17 | 24 | 1 |
| 18 | 24 | 1 |
| 19 | 23 | 1 |
| 20 | 23 | 1 |
| 21 | 23 | 1 |
| 22 | 22 | 1 |
| 23 | 22 | 2 |
| 24 | 22 | 2 |
| 25 | 21 | 2 |
| 26 | 21 | 2 |
| 27 | 20 | 2 |
| 28 | 20 | 2 |
| 29 | 20 | 2 |
| 30 | 20 | 2 |
| 31 | 19 | 2 |
Humidity in December
Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the dry band about 99% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 95 | 95 | 96 | 96 | 96 | 98 | 98 | 98 | 98 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Comfortable (%) | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Humid (%) | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 95 | 4 | 1 |
| 2 | 95 | 4 | 1 |
| 3 | 96 | 3 | 1 |
| 4 | 96 | 3 | 1 |
| 5 | 96 | 3 | 1 |
| 6 | 98 | 2 | 0 |
| 7 | 98 | 2 | 0 |
| 8 | 98 | 2 | 0 |
| 9 | 98 | 2 | 0 |
| 10 | 99 | 1 | 0 |
| 11 | 99 | 1 | 0 |
| 12 | 99 | 1 | 0 |
| 13 | 99 | 1 | 0 |
| 14 | 99 | 1 | 0 |
| 15 | 99 | 1 | 0 |
| 16 | 99 | 1 | 0 |
| 17 | 99 | 1 | 0 |
| 18 | 100 | 0 | 0 |
| 19 | 100 | 0 | 0 |
| 20 | 100 | 0 | 0 |
| 21 | 100 | 0 | 0 |
| 22 | 100 | 0 | 0 |
| 23 | 100 | 0 | 0 |
| 24 | 100 | 0 | 0 |
| 25 | 100 | 0 | 0 |
| 26 | 100 | 0 | 0 |
| 27 | 100 | 0 | 0 |
| 28 | 100 | 0 | 0 |
| 29 | 100 | 0 | 0 |
| 30 | 100 | 0 | 0 |
| 31 | 100 | 0 | 0 |
Wind in December
Winds average 16 km/h in December.
Across December, daily wind ranges from about 15 km/h on the calmest days to 16 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) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| 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 | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 15 | light breeze |
| 2 | 15 | light breeze |
| 3 | 15 | light breeze |
| 4 | 15 | light breeze |
| 5 | 15 | light breeze |
| 6 | 15 | light breeze |
| 7 | 15 | light breeze |
| 8 | 15 | light breeze |
| 9 | 15 | light breeze |
| 10 | 15 | light breeze |
| 11 | 16 | light breeze |
| 12 | 16 | light breeze |
| 13 | 16 | light breeze |
| 14 | 16 | light breeze |
| 15 | 16 | light breeze |
| 16 | 16 | light breeze |
| 17 | 16 | light breeze |
| 18 | 16 | light breeze |
| 19 | 16 | light breeze |
| 20 | 16 | light breeze |
| 21 | 16 | light breeze |
| 22 | 16 | light breeze |
| 23 | 16 | light breeze |
| 24 | 16 | light breeze |
| 25 | 16 | light breeze |
| 26 | 16 | light breeze |
| 27 | 16 | light breeze |
| 28 | 16 | light breeze |
| 29 | 16 | light breeze |
| 30 | 16 | light breeze |
| 31 | 16 | light breeze |
Sunrise & sunset in December
Daylight runs from about 9 h 54 min at the start of December to 9 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over December. Sunrise moves from 6:48 AM to 7:06 AM, and sunset from 4:42 PM to 4:51 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) | 9.9 | 9.9 | 9.9 | 9.9 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.8 | 9.8 |
| Sunrise (AM) | 6:48 | 6:49 | 6:50 | 6:51 | 6:51 | 6:52 | 6:53 | 6:54 | 6:54 | 6:55 | 6:56 | 6:57 | 6:57 | 6:58 | 6:59 | 6:59 | 7:00 | 7:00 | 7:01 | 7:01 | 7:02 | 7:02 | 7:03 | 7:03 | 7:04 | 7:04 | 7:04 | 7:05 | 7:05 | 7:05 | 7:06 |
| Sunset (PM) | 4:42 | 4:42 | 4:42 | 4:42 | 4:42 | 4:42 | 4:42 | 4:42 | 4:42 | 4:42 | 4:42 | 4:43 | 4:43 | 4:43 | 4:43 | 4:44 | 4:44 | 4:44 | 4:45 | 4:45 | 4:46 | 4:46 | 4:46 | 4:47 | 4:47 | 4:48 | 4:49 | 4:49 | 4:50 | 4:50 | 4:51 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 9.9 | 6:48 | 4:42 |
| 2 | 9.9 | 6:49 | 4:42 |
| 3 | 9.9 | 6:50 | 4:42 |
| 4 | 9.9 | 6:51 | 4:42 |
| 5 | 9.8 | 6:51 | 4:42 |
| 6 | 9.8 | 6:52 | 4:42 |
| 7 | 9.8 | 6:53 | 4:42 |
| 8 | 9.8 | 6:54 | 4:42 |
| 9 | 9.8 | 6:54 | 4:42 |
| 10 | 9.8 | 6:55 | 4:42 |
| 11 | 9.8 | 6:56 | 4:42 |
| 12 | 9.8 | 6:57 | 4:43 |
| 13 | 9.8 | 6:57 | 4:43 |
| 14 | 9.8 | 6:58 | 4:43 |
| 15 | 9.7 | 6:59 | 4:43 |
| 16 | 9.7 | 6:59 | 4:44 |
| 17 | 9.7 | 7:00 | 4:44 |
| 18 | 9.7 | 7:00 | 4:44 |
| 19 | 9.7 | 7:01 | 4:45 |
| 20 | 9.7 | 7:01 | 4:45 |
| 21 | 9.7 | 7:02 | 4:46 |
| 22 | 9.7 | 7:02 | 4:46 |
| 23 | 9.7 | 7:03 | 4:46 |
| 24 | 9.7 | 7:03 | 4:47 |
| 25 | 9.7 | 7:04 | 4:47 |
| 26 | 9.7 | 7:04 | 4:48 |
| 27 | 9.7 | 7:04 | 4:49 |
| 28 | 9.7 | 7:05 | 4:49 |
| 29 | 9.7 | 7:05 | 4:50 |
| 30 | 9.8 | 7:05 | 4:50 |
| 31 | 9.8 | 7:06 | 4:51 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 2.69 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 2.69 kWh/m² to a high of 5.33 kWh/m² in May across the year — December's 2.69 kWh/m² sits near the bottom.
| 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) | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.9 | 2.9 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 2.7 | Moderate |
| 2 | 2.7 | Moderate |
| 3 | 2.7 | Moderate |
| 4 | 2.7 | Moderate |
| 5 | 2.7 | Moderate |
| 6 | 2.7 | Moderate |
| 7 | 2.7 | Moderate |
| 8 | 2.7 | Moderate |
| 9 | 2.7 | Moderate |
| 10 | 2.7 | Moderate |
| 11 | 2.7 | Moderate |
| 12 | 2.7 | Moderate |
| 13 | 2.7 | Moderate |
| 14 | 2.7 | Moderate |
| 15 | 2.7 | Moderate |
| 16 | 2.7 | Moderate |
| 17 | 2.7 | Moderate |
| 18 | 2.7 | Moderate |
| 19 | 2.7 | Moderate |
| 20 | 2.7 | Moderate |
| 21 | 2.7 | Moderate |
| 22 | 2.7 | Moderate |
| 23 | 2.8 | Moderate |
| 24 | 2.8 | Moderate |
| 25 | 2.8 | Moderate |
| 26 | 2.8 | Moderate |
| 27 | 2.8 | Moderate |
| 28 | 2.8 | Moderate |
| 29 | 2.8 | Moderate |
| 30 | 2.9 | Moderate |
| 31 | 2.9 | Moderate |
Hazard calendar for Owase
In December, Owase sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Owase sits in the Pacific typhoon belt; the season peaks July–October.
Is December a good time to visit Owase?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a weaker month for outdoor sightseeing in Owase.
What to pack for Owase in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Owase sees daytime highs around 12°C and nights near 8°C. Pack a warm layer. About 8 days see rain.
Sea temperature near Owase in December
The nearest coast averages about 19°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 17 km away) is warmest in August at about 27°C and coldest in February near 16°C.
It's comfortable for a long swim from May 21 to Nov 29 — about 6.3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 17 | 16 | 16 | 18 | 20 | 22 | 25 | 27 | 26 | 23 | 21 | 19 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 17 | Cool |
| Feb | 16 | Cool |
| Mar | 16 | Cool |
| Apr | 18 | Cool |
| May | 20 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 27 | Warm |
| Sep | 26 | Warm |
| Oct | 23 | Refreshing |
| Nov | 21 | Refreshing |
| Dec | 19 | Cool |
UV index in Owase in December
Clear-sky midday UV in December peaks around 3. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Owase peaks around July 13 at about 10 (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 | 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 | 4 | Moderate |
| Mar | 6 | High |
| Apr | 7 | Very high |
| May | 9 | Very high |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 10 | Very high |
| Sep | 10 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Owase in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Owase is worst in April — around 18 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 9 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) | 11 | 14 | 18 | 18 | 17 | 13 | 9 | 9 | 9 | 10 | 10 | 9 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 14 | Moderate |
| Mar | 18 | Moderate |
| Apr | 18 | Moderate |
| May | 17 | Moderate |
| Jun | 13 | Moderate |
| Jul | 9 | Good |
| Aug | 9 | Good |
| Sep | 9 | Good |
| Oct | 10 | Good |
| Nov | 10 | Good |
| Dec | 9 | Good |
Where is Owase?
Owase sits at 34.1°N, 136.2°E, 4 m above sea level, in Japan. The nearest listed city is Kumano, 19 km away.
Topography around Owase
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Owase.
Within 3 km, the terrain around Owase has significant variations in elevation — a maximum elevation change of 527 m around an average of 140 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,688 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,878 m.
The land around Owase is covered by trees (70%) within 3 km, trees (67%) and water (31%) within 16 km, and trees (61%) and water (32%) 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 Owase (34.0667°, 136.2°, elevation 4 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).