Shimada weather in December
In December, Shimada sees average daytime highs of 11°C and overnight lows near 5°C, with 84 mm of precipitation across 10 wet days and about 9.9 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.
Highs ease over the month, from about 13°C in the first days to 10°C by the end. The sky is clear or mostly clear about 29% of the time in December, and the air most often feels dry.
Daylight stretches from about 10 hours at the start of December to 9 h 54 min by month's end. Set against the rest of the year, December is Shimada's 3rd-clearest and 4th-windiest month. For the whole year in context, see Shimada's year-round climate.
- Daytime high
- 11°
- 10th warmest
- Overnight low
- 5°
- 3rd coldest
- Precipitation
- 84 mm
- 10 wet days
- Daylight
- 9 h 54 min
- 7:17 AM – 5:09 PM
- Cloud cover
- 56%
- 3rd clearest
- Wind
- 9 km/h
- 4th windiest
- Solar energy
- 2.31 kWh/m²
- Travel score
- 2.9
- out of 10
Temperature in December
Highs ease over the month, from about 13°C in the first days to 10°C by the end.
A typical December day in Shimada reaches about 11°C in the afternoon and slips back to 5°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 16°C. Set against its neighbours, December runs about 6°C cooler than November and about 2°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 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Avg low (°C) | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 14 | 7 |
| 2 | 14 | 7 |
| 3 | 13 | 7 |
| 4 | 13 | 7 |
| 5 | 13 | 6 |
| 6 | 13 | 6 |
| 7 | 12 | 6 |
| 8 | 12 | 6 |
| 9 | 12 | 6 |
| 10 | 12 | 6 |
| 11 | 12 | 6 |
| 12 | 12 | 5 |
| 13 | 11 | 5 |
| 14 | 11 | 5 |
| 15 | 11 | 5 |
| 16 | 11 | 5 |
| 17 | 11 | 5 |
| 18 | 11 | 5 |
| 19 | 11 | 5 |
| 20 | 11 | 5 |
| 21 | 11 | 5 |
| 22 | 11 | 5 |
| 23 | 10 | 4 |
| 24 | 10 | 4 |
| 25 | 10 | 4 |
| 26 | 10 | 4 |
| 27 | 10 | 4 |
| 28 | 10 | 4 |
| 29 | 10 | 4 |
| 30 | 10 | 4 |
| 31 | 10 | 4 |
How December really feels in Shimada
Once humidity and wind are folded in, December 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.
December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Shimada 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° / 3° | 79 | 10.6 | 1.8 | 10.1 | 1.8 |
| Feb | 10° / 4° | 96 | 10.2 | 1.2 | 10.8 | 2.3 |
| Mar | 14° / 7° | 142 | 13.1 | 0.2 | 11.8 | 3.8 |
| Apr | 18° / 11° | 154 | 12.1 | 0 | 12.8 | 5.5 |
| May | 22° / 15° | 178 | 12 | 0 | 13.7 | 6.4 |
| Jun | 25° / 20° | 403 | 17 | 0 | 14.1 | 5.4 |
| Jul | 29° / 23° | 301 | 16.3 | 0 | 13.9 | 4.8 |
| Aug | 30° / 24° | 135 | 13 | 0 | 13.2 | 4.7 |
| Sep | 27° / 21° | 156 | 11.8 | 0 | 12.2 | 6.1 |
| Oct | 23° / 15° | 98 | 8.3 | 0 | 11.2 | 7.1 |
| Nov | 17° / 10° | 93 | 8.8 | 0 | 10.3 | 5.6 |
| Dec | 11° / 5° | 84 | 10 | 0.9 | 9.9 | 2.9 |
Cloud cover in December
The sky is clear or mostly clear about 29% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 51%. 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 (%) | 55 | 54 | 54 | 53 | 53 | 52 | 52 | 51 | 51 | 50 | 49 | 49 | 49 | 48 | 49 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 47 | 48 | 47 | 46 | 46 | 45 | 45 |
| Cloudier (%) | 45 | 46 | 46 | 47 | 47 | 48 | 48 | 49 | 49 | 50 | 51 | 51 | 51 | 52 | 51 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 53 | 52 | 53 | 54 | 54 | 55 | 55 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 55 | 45 |
| 2 | 54 | 46 |
| 3 | 54 | 46 |
| 4 | 53 | 47 |
| 5 | 53 | 47 |
| 6 | 52 | 48 |
| 7 | 52 | 48 |
| 8 | 51 | 49 |
| 9 | 51 | 49 |
| 10 | 50 | 50 |
| 11 | 49 | 51 |
| 12 | 49 | 51 |
| 13 | 49 | 51 |
| 14 | 48 | 52 |
| 15 | 49 | 51 |
| 16 | 48 | 52 |
| 17 | 48 | 52 |
| 18 | 48 | 52 |
| 19 | 48 | 52 |
| 20 | 48 | 52 |
| 21 | 48 | 52 |
| 22 | 48 | 52 |
| 23 | 48 | 52 |
| 24 | 48 | 52 |
| 25 | 47 | 53 |
| 26 | 48 | 52 |
| 27 | 47 | 53 |
| 28 | 46 | 54 |
| 29 | 46 | 54 |
| 30 | 45 | 55 |
| 31 | 45 | 55 |
Chance of precipitation in December
Shimada gets around 84 mm of rain and snow over 10 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 32% and peaks near 34% on the wettest days, and about 1 day brings snow.
| 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 (%) | 33 | 33 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 |
| Snow chance (%) | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 33 | 0 |
| 2 | 33 | 0 |
| 3 | 34 | 0 |
| 4 | 34 | 0 |
| 5 | 34 | 1 |
| 6 | 34 | 1 |
| 7 | 34 | 1 |
| 8 | 34 | 1 |
| 9 | 34 | 1 |
| 10 | 34 | 1 |
| 11 | 33 | 1 |
| 12 | 33 | 2 |
| 13 | 33 | 2 |
| 14 | 33 | 2 |
| 15 | 32 | 2 |
| 16 | 32 | 3 |
| 17 | 32 | 3 |
| 18 | 32 | 3 |
| 19 | 31 | 3 |
| 20 | 31 | 4 |
| 21 | 31 | 4 |
| 22 | 31 | 4 |
| 23 | 31 | 5 |
| 24 | 30 | 5 |
| 25 | 30 | 5 |
| 26 | 30 | 5 |
| 27 | 30 | 6 |
| 28 | 30 | 6 |
| 29 | 30 | 6 |
| 30 | 29 | 6 |
| 31 | 29 | 6 |
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 | 98 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Comfortable (%) | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 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 | 98 | 2 | 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 | 99 | 1 | 0 |
| 19 | 99 | 1 | 0 |
| 20 | 99 | 1 | 0 |
| 21 | 99 | 1 | 0 |
| 22 | 99 | 1 | 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 9 km/h in December.
Across December, daily wind ranges from about 8 km/h on the calmest days to 9 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) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Feels | 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 | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 8 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
| 31 | 9 | calm |
Sunrise & sunset in December
Daylight runs from about 10 hours at the start of December to 9 h 54 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 7:07 AM to 7:24 AM, and sunset from 5:07 PM to 5:16 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) | 10.0 | 10.0 | 10.0 | 10.0 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 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 | 9.8 | 9.9 | 9.9 | 9.9 | 9.9 |
| Sunrise (AM) | 7:07 | 7:07 | 7:08 | 7:09 | 7:10 | 7:11 | 7:11 | 7:12 | 7:13 | 7:13 | 7:14 | 7:15 | 7:16 | 7:16 | 7:17 | 7:17 | 7:18 | 7:19 | 7:19 | 7:20 | 7:20 | 7:21 | 7:21 | 7:21 | 7:22 | 7:22 | 7:23 | 7:23 | 7:23 | 7:24 | 7:24 |
| Sunset (PM) | 5:07 | 5:07 | 5:06 | 5:06 | 5:07 | 5:07 | 5:07 | 5:07 | 5:07 | 5:07 | 5:07 | 5:07 | 5:08 | 5:08 | 5:08 | 5:09 | 5:09 | 5:09 | 5:10 | 5:10 | 5:11 | 5:11 | 5:12 | 5:12 | 5:13 | 5:13 | 5:14 | 5:14 | 5:15 | 5:15 | 5:16 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.0 | 7:07 | 5:07 |
| 2 | 10.0 | 7:07 | 5:07 |
| 3 | 10.0 | 7:08 | 5:06 |
| 4 | 10.0 | 7:09 | 5:06 |
| 5 | 9.9 | 7:10 | 5:07 |
| 6 | 9.9 | 7:11 | 5:07 |
| 7 | 9.9 | 7:11 | 5:07 |
| 8 | 9.9 | 7:12 | 5:07 |
| 9 | 9.9 | 7:13 | 5:07 |
| 10 | 9.9 | 7:13 | 5:07 |
| 11 | 9.9 | 7:14 | 5:07 |
| 12 | 9.9 | 7:15 | 5:07 |
| 13 | 9.9 | 7:16 | 5:08 |
| 14 | 9.9 | 7:16 | 5:08 |
| 15 | 9.9 | 7:17 | 5:08 |
| 16 | 9.9 | 7:17 | 5:09 |
| 17 | 9.8 | 7:18 | 5:09 |
| 18 | 9.8 | 7:19 | 5:09 |
| 19 | 9.8 | 7:19 | 5:10 |
| 20 | 9.8 | 7:20 | 5:10 |
| 21 | 9.8 | 7:20 | 5:11 |
| 22 | 9.8 | 7:21 | 5:11 |
| 23 | 9.8 | 7:21 | 5:12 |
| 24 | 9.8 | 7:21 | 5:12 |
| 25 | 9.8 | 7:22 | 5:13 |
| 26 | 9.8 | 7:22 | 5:13 |
| 27 | 9.8 | 7:23 | 5:14 |
| 28 | 9.9 | 7:23 | 5:14 |
| 29 | 9.9 | 7:23 | 5:15 |
| 30 | 9.9 | 7:24 | 5:15 |
| 31 | 9.9 | 7:24 | 5:16 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 2.31 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 2.31 kWh/m² to a high of 5.15 kWh/m² in May across the year — December's 2.31 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) | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 |
| 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 | 2.4 | Moderate |
| 2 | 2.4 | Moderate |
| 3 | 2.4 | Moderate |
| 4 | 2.4 | Moderate |
| 5 | 2.4 | Moderate |
| 6 | 2.3 | Moderate |
| 7 | 2.3 | Moderate |
| 8 | 2.3 | Moderate |
| 9 | 2.3 | Moderate |
| 10 | 2.3 | Moderate |
| 11 | 2.3 | Moderate |
| 12 | 2.3 | Moderate |
| 13 | 2.3 | Moderate |
| 14 | 2.3 | Moderate |
| 15 | 2.3 | Moderate |
| 16 | 2.3 | Moderate |
| 17 | 2.3 | Moderate |
| 18 | 2.3 | Moderate |
| 19 | 2.3 | Moderate |
| 20 | 2.3 | Moderate |
| 21 | 2.3 | Moderate |
| 22 | 2.3 | Moderate |
| 23 | 2.3 | Moderate |
| 24 | 2.3 | Moderate |
| 25 | 2.3 | Moderate |
| 26 | 2.4 | Moderate |
| 27 | 2.4 | Moderate |
| 28 | 2.4 | Moderate |
| 29 | 2.4 | Moderate |
| 30 | 2.4 | Moderate |
| 31 | 2.4 | Moderate |
Hazard calendar for Shimada
In December, Shimada sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Shimada sits in the Pacific typhoon belt; the season peaks July–October.
Shimada's rainy season runs June–July, when most of the year's rain falls.
Is December a good time to visit Shimada?
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 Shimada.
What to pack for Shimada in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Shimada sees daytime highs around 11°C and nights near 5°C. Pack a warm layer. Worth having: rain gear. About 10 days see rain.
Sea temperature near Shimada in December
The nearest coast averages about 17°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 20 km away) is warmest in August at about 27°C and coldest in February near 13°C.
It's comfortable for a long swim from May 27 to Nov 13 — about 5.6 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 13 | 14 | 16 | 19 | 22 | 25 | 27 | 26 | 23 | 20 | 17 |
| Comfort | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 13 | Bracing |
| Mar | 14 | Bracing |
| Apr | 16 | Cool |
| May | 19 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 27 | Warm |
| Sep | 26 | Warm |
| Oct | 23 | Refreshing |
| Nov | 20 | Cool |
| Dec | 17 | Cool |
UV index in Shimada in December
Clear-sky midday UV in December peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Shimada peaks around June 22 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 | 8 | 8 | 10 | 10 | 9 | 10 | 7 | 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 | 8 | Very high |
| May | 8 | Very high |
| Jun | 10 | Extreme |
| Jul | 10 | Extreme |
| Aug | 9 | Very high |
| Sep | 10 | Very high |
| Oct | 7 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Shimada 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 Shimada is worst in March — around 25 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (July, 13 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) | 18 | 20 | 25 | 25 | 23 | 19 | 13 | 15 | 14 | 14 | 16 | 15 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 20 | Moderate |
| Mar | 25 | Moderate |
| Apr | 25 | Moderate |
| May | 23 | Moderate |
| Jun | 19 | Moderate |
| Jul | 13 | Moderate |
| Aug | 15 | Moderate |
| Sep | 14 | Moderate |
| Oct | 14 | Moderate |
| Nov | 16 | Moderate |
| Dec | 15 | Moderate |
Where is Shimada?
Shimada sits at 32.8°N, 130.8°E, 4 m above sea level, in Japan. The nearest listed city is Kotō, 5.0 km away.
Topography around Shimada
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Shimada.
Within 3 km, the terrain around Shimada has significant variations in elevation — a maximum elevation change of 261 m around an average of 25 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 883 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,757 m.
The land around Shimada is covered by cropland (47%), artificial surfaces (27%) and trees (21%) within 3 km, trees (47%), artificial surfaces (25%) and cropland (22%) within 16 km, and trees (68%) 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 Shimada (32.7568°, 130.7904°, 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).