Changhua weather in December
In December, Changhua sees average daytime highs of 22°C and overnight lows near 17°C, with 50 mm of rain across 6.1 wet days and about 10.5 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.
Highs ease over the month, from about 24°C in the first days to 21°C by the end. The sky is clear or mostly clear about 56% of the time in December, and the air most often feels humid.
Daylight stretches from about 10 h 36 min at the start of December to 10 h 30 min by month's end. Set against the rest of the year, December is Changhua's 4th-clearest and 1st-windiest month. For the whole year in context, see Changhua's year-round climate.
- Daytime high
- 22°
- 10th warmest
- Overnight low
- 17°
- 3rd coldest
- Rainfall
- 50 mm
- 6.1 wet days
- Daylight
- 10 h 30 min
- 6:38 AM – 5:10 PM
- Cloud cover
- 41%
- 4th clearest
- Wind
- 18 km/h
- 1st windiest
- Solar energy
- 3.46 kWh/m²
- Travel score
- 7.7
- out of 10
Temperature in December
Highs ease over the month, from about 24°C in the first days to 21°C by the end.
A typical December day in Changhua reaches about 22°C in the afternoon and slips back to 17°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 25°C. Set against its neighbours, December runs about 4°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) | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 |
| Avg low (°C) | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 24 | 18 |
| 2 | 24 | 18 |
| 3 | 24 | 18 |
| 4 | 24 | 18 |
| 5 | 24 | 18 |
| 6 | 24 | 18 |
| 7 | 23 | 18 |
| 8 | 23 | 18 |
| 9 | 23 | 17 |
| 10 | 23 | 17 |
| 11 | 23 | 17 |
| 12 | 23 | 17 |
| 13 | 23 | 17 |
| 14 | 23 | 17 |
| 15 | 22 | 17 |
| 16 | 22 | 17 |
| 17 | 22 | 17 |
| 18 | 22 | 17 |
| 19 | 22 | 16 |
| 20 | 22 | 16 |
| 21 | 22 | 16 |
| 22 | 22 | 16 |
| 23 | 22 | 16 |
| 24 | 22 | 16 |
| 25 | 22 | 16 |
| 26 | 21 | 16 |
| 27 | 21 | 16 |
| 28 | 21 | 16 |
| 29 | 21 | 16 |
| 30 | 21 | 16 |
| 31 | 21 | 16 |
How December really feels in Changhua
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.
Changhua 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 20° / 15° | 52 | 7.7 | 10.7 | 7.1 |
| Feb | 21° / 15° | 74 | 9.1 | 11.2 | 6.7 |
| Mar | 23° / 17° | 115 | 11.8 | 11.8 | 6.7 |
| Apr | 26° / 21° | 150 | 13.1 | 12.5 | 6.2 |
| May | 29° / 23° | 228 | 15.6 | 13.1 | 4.9 |
| Jun | 30° / 25° | 287 | 18.6 | 13.5 | 3.6 |
| Jul | 31° / 26° | 230 | 17.5 | 13.3 | 3.5 |
| Aug | 31° / 26° | 287 | 19.9 | 12.8 | 3.5 |
| Sep | 30° / 25° | 144 | 12.1 | 12.1 | 4.7 |
| Oct | 28° / 23° | 55 | 4.8 | 11.4 | 6.8 |
| Nov | 26° / 20° | 43 | 5.3 | 10.8 | 7.7 |
| Dec | 22° / 17° | 50 | 6.1 | 10.5 | 7.7 |
Cloud cover in December
The sky is clear or mostly clear about 56% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 28%.
| 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 (%) | 74 | 74 | 72 | 72 | 72 | 71 | 71 | 71 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 71 | 71 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 73 | 74 | 74 | 74 | 74 |
| Cloudier (%) | 26 | 26 | 28 | 28 | 28 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 26 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 74 | 26 |
| 2 | 74 | 26 |
| 3 | 72 | 28 |
| 4 | 72 | 28 |
| 5 | 72 | 28 |
| 6 | 71 | 29 |
| 7 | 71 | 29 |
| 8 | 71 | 29 |
| 9 | 70 | 30 |
| 10 | 70 | 30 |
| 11 | 70 | 30 |
| 12 | 70 | 30 |
| 13 | 70 | 30 |
| 14 | 70 | 30 |
| 15 | 70 | 30 |
| 16 | 70 | 30 |
| 17 | 71 | 29 |
| 18 | 71 | 29 |
| 19 | 72 | 28 |
| 20 | 72 | 28 |
| 21 | 72 | 28 |
| 22 | 72 | 28 |
| 23 | 72 | 28 |
| 24 | 72 | 28 |
| 25 | 72 | 28 |
| 26 | 72 | 28 |
| 27 | 73 | 27 |
| 28 | 74 | 26 |
| 29 | 74 | 26 |
| 30 | 74 | 26 |
| 31 | 74 | 26 |
Chance of precipitation in December
Changhua gets around 50 mm of rain over 6.1 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 19% and peaks near 22% 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 (%) | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 18 | 18 | 19 | 19 | 19 | 19 | 20 | 20 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 |
| Rain chance (%) | |
|---|---|
| 1 | 17 |
| 2 | 17 |
| 3 | 16 |
| 4 | 16 |
| 5 | 16 |
| 6 | 16 |
| 7 | 16 |
| 8 | 16 |
| 9 | 17 |
| 10 | 17 |
| 11 | 18 |
| 12 | 18 |
| 13 | 19 |
| 14 | 19 |
| 15 | 19 |
| 16 | 19 |
| 17 | 20 |
| 18 | 20 |
| 19 | 21 |
| 20 | 21 |
| 21 | 22 |
| 22 | 22 |
| 23 | 22 |
| 24 | 22 |
| 25 | 22 |
| 26 | 22 |
| 27 | 22 |
| 28 | 21 |
| 29 | 21 |
| 30 | 21 |
| 31 | 21 |
Humidity in December
Most of December feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the humid 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 (%) | 15 | 16 | 16 | 17 | 18 | 18 | 19 | 19 | 20 | 20 | 21 | 22 | 22 | 23 | 24 | 24 | 25 | 26 | 27 | 28 | 28 | 29 | 30 | 31 | 31 | 32 | 32 | 32 | 32 | 33 | 33 |
| Comfortable (%) | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 29 | 30 | 31 | 31 | 31 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 35 | 35 | 35 | 36 | 36 | 36 | 36 |
| Humid (%) | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 35 | 35 | 34 | 34 | 33 | 33 | 32 | 31 | 31 | 30 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 |
| Muggy (%) | 25 | 23 | 22 | 20 | 19 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 3 |
| Oppressive (%) | 1 | 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 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 15 | 23 | 36 | 25 | 1 |
| 2 | 16 | 24 | 36 | 23 | 1 |
| 3 | 16 | 25 | 36 | 22 | 1 |
| 4 | 17 | 26 | 36 | 20 | 1 |
| 5 | 18 | 27 | 36 | 19 | 1 |
| 6 | 18 | 28 | 36 | 17 | 1 |
| 7 | 19 | 29 | 36 | 16 | 0 |
| 8 | 19 | 29 | 36 | 15 | 0 |
| 9 | 20 | 30 | 36 | 14 | 0 |
| 10 | 20 | 31 | 36 | 13 | 0 |
| 11 | 21 | 31 | 36 | 12 | 0 |
| 12 | 22 | 31 | 36 | 11 | 0 |
| 13 | 22 | 32 | 36 | 11 | 0 |
| 14 | 23 | 32 | 35 | 10 | 0 |
| 15 | 24 | 32 | 35 | 10 | 0 |
| 16 | 24 | 32 | 34 | 9 | 0 |
| 17 | 25 | 33 | 34 | 9 | 0 |
| 18 | 26 | 33 | 33 | 8 | 0 |
| 19 | 27 | 33 | 33 | 8 | 0 |
| 20 | 28 | 33 | 32 | 7 | 0 |
| 21 | 28 | 33 | 31 | 7 | 0 |
| 22 | 29 | 34 | 31 | 6 | 0 |
| 23 | 30 | 34 | 30 | 6 | 0 |
| 24 | 31 | 34 | 29 | 6 | 0 |
| 25 | 31 | 35 | 29 | 5 | 0 |
| 26 | 32 | 35 | 28 | 5 | 0 |
| 27 | 32 | 35 | 28 | 4 | 0 |
| 28 | 32 | 36 | 28 | 4 | 0 |
| 29 | 32 | 36 | 28 | 4 | 0 |
| 30 | 33 | 36 | 28 | 3 | 0 |
| 31 | 33 | 36 | 28 | 3 | 0 |
Wind in December
Winds average 18 km/h in December, the windiest month of the year.
Across December, daily wind ranges from about 17 km/h on the calmest days to 18 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) | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 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 | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 17 | light breeze |
| 2 | 17 | light breeze |
| 3 | 17 | light breeze |
| 4 | 17 | light breeze |
| 5 | 17 | light breeze |
| 6 | 17 | light breeze |
| 7 | 17 | light breeze |
| 8 | 17 | light breeze |
| 9 | 17 | light breeze |
| 10 | 17 | light breeze |
| 11 | 17 | light breeze |
| 12 | 17 | light breeze |
| 13 | 18 | light breeze |
| 14 | 18 | light breeze |
| 15 | 18 | light breeze |
| 16 | 18 | light breeze |
| 17 | 18 | light breeze |
| 18 | 18 | light breeze |
| 19 | 17 | light breeze |
| 20 | 17 | light breeze |
| 21 | 17 | light breeze |
| 22 | 17 | light breeze |
| 23 | 17 | light breeze |
| 24 | 17 | light breeze |
| 25 | 17 | light breeze |
| 26 | 17 | light breeze |
| 27 | 17 | light breeze |
| 28 | 17 | light breeze |
| 29 | 17 | light breeze |
| 30 | 17 | light breeze |
| 31 | 17 | light breeze |
Sunrise & sunset in December
Daylight runs from about 10 h 36 min at the start of December to 10 h 30 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 6:29 AM to 6:45 AM, and sunset from 5:06 PM to 5:17 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) | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 |
| Sunrise (AM) | 6:29 | 6:30 | 6:30 | 6:31 | 6:32 | 6:32 | 6:33 | 6:34 | 6:34 | 6:35 | 6:35 | 6:36 | 6:37 | 6:37 | 6:38 | 6:38 | 6:39 | 6:39 | 6:40 | 6:40 | 6:41 | 6:41 | 6:42 | 6:42 | 6:43 | 6:43 | 6:44 | 6:44 | 6:44 | 6:45 | 6:45 |
| Sunset (PM) | 5:06 | 5:06 | 5:06 | 5:06 | 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 | 5:10 | 5:11 | 5:11 | 5:12 | 5:12 | 5:13 | 5:13 | 5:14 | 5:14 | 5:15 | 5:15 | 5:16 | 5:16 | 5:17 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.6 | 6:29 | 5:06 |
| 2 | 10.6 | 6:30 | 5:06 |
| 3 | 10.6 | 6:30 | 5:06 |
| 4 | 10.6 | 6:31 | 5:06 |
| 5 | 10.6 | 6:32 | 5:07 |
| 6 | 10.6 | 6:32 | 5:07 |
| 7 | 10.6 | 6:33 | 5:07 |
| 8 | 10.6 | 6:34 | 5:07 |
| 9 | 10.6 | 6:34 | 5:07 |
| 10 | 10.5 | 6:35 | 5:08 |
| 11 | 10.5 | 6:35 | 5:08 |
| 12 | 10.5 | 6:36 | 5:08 |
| 13 | 10.5 | 6:37 | 5:09 |
| 14 | 10.5 | 6:37 | 5:09 |
| 15 | 10.5 | 6:38 | 5:09 |
| 16 | 10.5 | 6:38 | 5:10 |
| 17 | 10.5 | 6:39 | 5:10 |
| 18 | 10.5 | 6:39 | 5:10 |
| 19 | 10.5 | 6:40 | 5:11 |
| 20 | 10.5 | 6:40 | 5:11 |
| 21 | 10.5 | 6:41 | 5:12 |
| 22 | 10.5 | 6:41 | 5:12 |
| 23 | 10.5 | 6:42 | 5:13 |
| 24 | 10.5 | 6:42 | 5:13 |
| 25 | 10.5 | 6:43 | 5:14 |
| 26 | 10.5 | 6:43 | 5:14 |
| 27 | 10.5 | 6:44 | 5:15 |
| 28 | 10.5 | 6:44 | 5:15 |
| 29 | 10.5 | 6:44 | 5:16 |
| 30 | 10.5 | 6:45 | 5:16 |
| 31 | 10.5 | 6:45 | 5:17 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 3.46 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 3.46 kWh/m² to a high of 5.45 kWh/m² in May across the year — December's 3.46 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) | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.6 | 3.6 |
| 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 | 3.6 | Moderate |
| 2 | 3.6 | Moderate |
| 3 | 3.6 | Moderate |
| 4 | 3.6 | Moderate |
| 5 | 3.6 | Moderate |
| 6 | 3.5 | Moderate |
| 7 | 3.5 | Moderate |
| 8 | 3.5 | Moderate |
| 9 | 3.5 | Moderate |
| 10 | 3.5 | Moderate |
| 11 | 3.5 | Moderate |
| 12 | 3.5 | Moderate |
| 13 | 3.5 | Moderate |
| 14 | 3.5 | Moderate |
| 15 | 3.5 | Moderate |
| 16 | 3.5 | Moderate |
| 17 | 3.5 | Moderate |
| 18 | 3.5 | Moderate |
| 19 | 3.5 | Moderate |
| 20 | 3.5 | Moderate |
| 21 | 3.5 | Moderate |
| 22 | 3.5 | Moderate |
| 23 | 3.5 | Moderate |
| 24 | 3.5 | Moderate |
| 25 | 3.5 | Moderate |
| 26 | 3.5 | Moderate |
| 27 | 3.5 | Moderate |
| 28 | 3.5 | Moderate |
| 29 | 3.5 | Moderate |
| 30 | 3.6 | Moderate |
| 31 | 3.6 | Moderate |
Hazard calendar for Changhua
In December, Changhua sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Changhua sits in the Pacific typhoon belt; the season peaks July–October.
Changhua's monsoon runs April–September, when most of the year's rain falls.
Is December a good time to visit Changhua?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is one of the better times to visit Changhua for general sightseeing.
What to pack for Changhua in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Changhua sees daytime highs around 22°C and nights near 17°C. Worth packing: light clothes. About 6 days see rain.
Sea temperature near Changhua in December
The nearest coast averages about 21°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 19 km away) is warmest in August at about 29°C and coldest in January near 19°C.
It's comfortable for a long swim from Feb 21 to Jan 4 — about 10.5 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 19 | 20 | 22 | 24 | 26 | 28 | 28 | 29 | 28 | 26 | 24 | 21 |
| Comfort | Cool | Cool | Refreshing | Warm | Warm | Warm | Tropical | Tropical | Warm | Warm | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 19 | Cool |
| Feb | 20 | Cool |
| Mar | 22 | Refreshing |
| Apr | 24 | Warm |
| May | 26 | Warm |
| Jun | 28 | Warm |
| Jul | 28 | Tropical |
| Aug | 29 | Tropical |
| Sep | 28 | Warm |
| Oct | 26 | Warm |
| Nov | 24 | Warm |
| Dec | 21 | Refreshing |
UV index in Changhua in December
Clear-sky midday UV in December peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Changhua peaks around June 18 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 5 (high).
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) | 6 | 8 | 9 | 8 | 10 | 12 | 11 | 11 | 9 | 7 | 7 | 5 |
| Level | High | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Very high | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 8 | Very high |
| Mar | 9 | Very high |
| Apr | 8 | Very high |
| May | 10 | Very high |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 9 | Very high |
| Oct | 7 | Very high |
| Nov | 7 | High |
| Dec | 5 | High |
Air quality in Changhua 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 Changhua is worst in March — around 56 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (July, 33 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) | 45 | 48 | 56 | 50 | 41 | 34 | 33 | 36 | 41 | 38 | 41 | 39 |
| Level | Poor | Poor | Unhealthy | Poor | Poor | Moderate | Moderate | Poor | Poor | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 45 | Poor |
| Feb | 48 | Poor |
| Mar | 56 | Unhealthy |
| Apr | 50 | Poor |
| May | 41 | Poor |
| Jun | 34 | Moderate |
| Jul | 33 | Moderate |
| Aug | 36 | Poor |
| Sep | 41 | Poor |
| Oct | 38 | Poor |
| Nov | 41 | Poor |
| Dec | 39 | Poor |
Where is Changhua?
Changhua sits at 24.1°N, 120.6°E, 28 m above sea level, in Taiwan. The nearest listed city is Chang-hua, 1.0 km away.
Topography around Changhua
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Changhua.
Within 3 km, the terrain around Changhua has only modest variations in elevation — a maximum elevation change of 155 m around an average of 46 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 397 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,887 m.
The land around Changhua is covered by artificial surfaces (51%) and trees (38%) within 3 km, artificial surfaces (38%), cropland (30%) and trees (22%) within 16 km, and trees (49%) and water (30%) within 80 km.
Taiwan travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 110 / 220 V · 60 Hz
- Happiness
- 6.7 / 10
- World Happiness, 2025
- 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 Changhua (24.0692°, 120.5512°, elevation 28 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).