Changhua weather in April
In April, Changhua sees average daytime highs of 26°C and overnight lows near 21°C, with 150 mm of rain across 13.1 wet days and about 12.5 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.
Highs climb over the month, from about 25°C in the first days to 27°C by the end. The sky is clear or mostly clear about 30% of the time in April, and the air most often feels muggy.
Daylight stretches from about 12 h 12 min at the start of April to 12 h 54 min by month's end. Set against the rest of the year, April is Changhua's 7th-clearest and 7th-windiest month. For the whole year in context, see Changhua's year-round climate.
- Daytime high
- 26°
- 7th warmest
- Overnight low
- 21°
- 6th coldest
- Rainfall
- 150 mm
- 13.1 wet days
- Daylight
- 12 h 36 min
- 5:41 AM – 6:15 PM
- Cloud cover
- 58%
- 7th clearest
- Wind
- 11 km/h
- 7th windiest
- Solar energy
- 5.4 kWh/m²
- Travel score
- 6.2
- out of 10
Temperature in April
Highs climb over the month, from about 25°C in the first days to 27°C by the end.
A typical April day in Changhua reaches about 26°C in the afternoon and slips back to 21°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 29°C. Set against its neighbours, April runs about 3°C warmer than March and about 3°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) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 |
| Avg low (°C) | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 25 | 19 |
| 2 | 25 | 19 |
| 3 | 25 | 19 |
| 4 | 25 | 19 |
| 5 | 25 | 19 |
| 6 | 25 | 20 |
| 7 | 25 | 20 |
| 8 | 25 | 20 |
| 9 | 25 | 20 |
| 10 | 26 | 20 |
| 11 | 26 | 20 |
| 12 | 26 | 20 |
| 13 | 26 | 20 |
| 14 | 26 | 20 |
| 15 | 26 | 21 |
| 16 | 26 | 21 |
| 17 | 26 | 21 |
| 18 | 27 | 21 |
| 19 | 27 | 21 |
| 20 | 27 | 21 |
| 21 | 27 | 21 |
| 22 | 27 | 21 |
| 23 | 27 | 21 |
| 24 | 27 | 22 |
| 25 | 27 | 22 |
| 26 | 27 | 22 |
| 27 | 27 | 22 |
| 28 | 27 | 22 |
| 29 | 28 | 22 |
| 30 | 28 | 22 |
How April really feels in Changhua
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.
Changhua weather by month
How April compares with the rest of the year at a glance. April is the 7th-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 | 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 April
The sky is clear or mostly clear about 30% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 19% of April, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 51 | 52 | 51 | 51 | 50 | 50 | 50 | 49 | 48 | 47 | 47 | 46 | 46 | 45 | 44 | 43 | 43 | 42 | 42 |
| Cloudier (%) | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 49 | 48 | 49 | 49 | 50 | 50 | 50 | 51 | 52 | 53 | 53 | 54 | 54 | 55 | 56 | 57 | 57 | 58 | 58 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 52 | 48 |
| 2 | 52 | 48 |
| 3 | 52 | 48 |
| 4 | 52 | 48 |
| 5 | 52 | 48 |
| 6 | 52 | 48 |
| 7 | 52 | 48 |
| 8 | 52 | 48 |
| 9 | 52 | 48 |
| 10 | 52 | 48 |
| 11 | 52 | 48 |
| 12 | 51 | 49 |
| 13 | 52 | 48 |
| 14 | 51 | 49 |
| 15 | 51 | 49 |
| 16 | 50 | 50 |
| 17 | 50 | 50 |
| 18 | 50 | 50 |
| 19 | 49 | 51 |
| 20 | 48 | 52 |
| 21 | 47 | 53 |
| 22 | 47 | 53 |
| 23 | 46 | 54 |
| 24 | 46 | 54 |
| 25 | 45 | 55 |
| 26 | 44 | 56 |
| 27 | 43 | 57 |
| 28 | 43 | 57 |
| 29 | 42 | 58 |
| 30 | 42 | 58 |
Chance of precipitation in April
Changhua gets around 150 mm of rain over 13.1 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 43% and peaks near 44% 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 (%) | 42 | 42 | 43 | 43 | 43 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 44 | 44 | 44 |
| Rain chance (%) | |
|---|---|
| 1 | 42 |
| 2 | 42 |
| 3 | 43 |
| 4 | 43 |
| 5 | 43 |
| 6 | 44 |
| 7 | 44 |
| 8 | 44 |
| 9 | 44 |
| 10 | 44 |
| 11 | 44 |
| 12 | 44 |
| 13 | 44 |
| 14 | 44 |
| 15 | 44 |
| 16 | 44 |
| 17 | 44 |
| 18 | 44 |
| 19 | 43 |
| 20 | 43 |
| 21 | 43 |
| 22 | 43 |
| 23 | 43 |
| 24 | 43 |
| 25 | 43 |
| 26 | 43 |
| 27 | 43 |
| 28 | 44 |
| 29 | 44 |
| 30 | 44 |
Humidity in April
Most of April feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the muggy band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 72% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Comfortable (%) | 13 | 12 | 11 | 11 | 10 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 |
| Humid (%) | 33 | 32 | 32 | 31 | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 8 |
| Muggy (%) | 42 | 42 | 43 | 44 | 45 | 45 | 46 | 47 | 47 | 47 | 47 | 47 | 47 | 46 | 45 | 45 | 44 | 43 | 42 | 41 | 40 | 39 | 38 | 37 | 36 | 35 | 35 | 34 | 34 | 33 |
| Oppressive (%) | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 17 | 19 | 21 | 23 | 25 | 27 | 30 | 32 | 34 | 36 | 38 | 40 | 42 | 45 | 47 | 49 | 51 | 52 | 54 | 55 | 57 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 6 | 13 | 33 | 42 | 7 |
| 2 | 6 | 12 | 32 | 42 | 8 |
| 3 | 5 | 11 | 32 | 43 | 9 |
| 4 | 5 | 11 | 31 | 44 | 10 |
| 5 | 4 | 10 | 31 | 45 | 11 |
| 6 | 4 | 9 | 30 | 45 | 12 |
| 7 | 4 | 8 | 29 | 46 | 13 |
| 8 | 3 | 8 | 28 | 47 | 14 |
| 9 | 3 | 7 | 27 | 47 | 15 |
| 10 | 3 | 7 | 26 | 47 | 17 |
| 11 | 3 | 6 | 25 | 47 | 19 |
| 12 | 3 | 6 | 24 | 47 | 21 |
| 13 | 2 | 5 | 23 | 47 | 23 |
| 14 | 2 | 5 | 21 | 46 | 25 |
| 15 | 2 | 5 | 20 | 45 | 27 |
| 16 | 2 | 5 | 19 | 45 | 30 |
| 17 | 2 | 5 | 18 | 44 | 32 |
| 18 | 2 | 5 | 17 | 43 | 34 |
| 19 | 2 | 5 | 16 | 42 | 36 |
| 20 | 1 | 4 | 15 | 41 | 38 |
| 21 | 1 | 4 | 14 | 40 | 40 |
| 22 | 1 | 4 | 13 | 39 | 42 |
| 23 | 1 | 4 | 12 | 38 | 45 |
| 24 | 1 | 4 | 11 | 37 | 47 |
| 25 | 1 | 4 | 11 | 36 | 49 |
| 26 | 1 | 3 | 10 | 35 | 51 |
| 27 | 0 | 3 | 10 | 35 | 52 |
| 28 | 0 | 3 | 9 | 34 | 54 |
| 29 | 0 | 2 | 9 | 34 | 55 |
| 30 | 0 | 2 | 8 | 33 | 57 |
Wind in April
Winds average 11 km/h in April.
Across April, daily wind ranges from about 9 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 |
| Feels | 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 | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 12 | light breeze |
| 2 | 12 | light breeze |
| 3 | 12 | calm |
| 4 | 12 | calm |
| 5 | 12 | calm |
| 6 | 12 | calm |
| 7 | 12 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 11 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 11 | calm |
| 15 | 11 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
Sunrise & sunset in April
Daylight runs from about 12 h 12 min at the start of April to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 42 minutes over April. Sunrise moves from 5:56 AM to 5:29 AM, and sunset from 6:09 PM to 6:21 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) | 12.2 | 12.2 | 12.3 | 12.3 | 12.3 | 12.3 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.9 |
| Sunrise (AM) | 5:56 | 5:55 | 5:54 | 5:53 | 5:52 | 5:51 | 5:50 | 5:49 | 5:48 | 5:47 | 5:46 | 5:45 | 5:44 | 5:43 | 5:42 | 5:41 | 5:40 | 5:39 | 5:38 | 5:38 | 5:37 | 5:36 | 5:35 | 5:34 | 5:33 | 5:32 | 5:32 | 5:31 | 5:30 | 5:29 |
| Sunset (PM) | 6:09 | 6:09 | 6:10 | 6:10 | 6:10 | 6:11 | 6:11 | 6:12 | 6:12 | 6:12 | 6:13 | 6:13 | 6:14 | 6:14 | 6:14 | 6:15 | 6:15 | 6:16 | 6:16 | 6:17 | 6:17 | 6:17 | 6:18 | 6:18 | 6:19 | 6:19 | 6:20 | 6:20 | 6:21 | 6:21 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.2 | 5:56 | 6:09 |
| 2 | 12.2 | 5:55 | 6:09 |
| 3 | 12.3 | 5:54 | 6:10 |
| 4 | 12.3 | 5:53 | 6:10 |
| 5 | 12.3 | 5:52 | 6:10 |
| 6 | 12.3 | 5:51 | 6:11 |
| 7 | 12.4 | 5:50 | 6:11 |
| 8 | 12.4 | 5:49 | 6:12 |
| 9 | 12.4 | 5:48 | 6:12 |
| 10 | 12.4 | 5:47 | 6:12 |
| 11 | 12.4 | 5:46 | 6:13 |
| 12 | 12.5 | 5:45 | 6:13 |
| 13 | 12.5 | 5:44 | 6:14 |
| 14 | 12.5 | 5:43 | 6:14 |
| 15 | 12.5 | 5:42 | 6:14 |
| 16 | 12.6 | 5:41 | 6:15 |
| 17 | 12.6 | 5:40 | 6:15 |
| 18 | 12.6 | 5:39 | 6:16 |
| 19 | 12.6 | 5:38 | 6:16 |
| 20 | 12.7 | 5:38 | 6:17 |
| 21 | 12.7 | 5:37 | 6:17 |
| 22 | 12.7 | 5:36 | 6:17 |
| 23 | 12.7 | 5:35 | 6:18 |
| 24 | 12.7 | 5:34 | 6:18 |
| 25 | 12.8 | 5:33 | 6:19 |
| 26 | 12.8 | 5:32 | 6:19 |
| 27 | 12.8 | 5:32 | 6:20 |
| 28 | 12.8 | 5:31 | 6:20 |
| 29 | 12.8 | 5:30 | 6:21 |
| 30 | 12.9 | 5:29 | 6:21 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 5.4 kWh/m².
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 — April's 5.4 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.2 | 5.2 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 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 |
| 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 | 5.2 | Bright |
| 2 | 5.2 | Bright |
| 3 | 5.3 | Bright |
| 4 | 5.3 | Bright |
| 5 | 5.3 | Bright |
| 6 | 5.3 | Bright |
| 7 | 5.3 | Bright |
| 8 | 5.3 | Bright |
| 9 | 5.3 | Bright |
| 10 | 5.3 | Bright |
| 11 | 5.4 | Bright |
| 12 | 5.4 | Bright |
| 13 | 5.4 | Bright |
| 14 | 5.4 | Bright |
| 15 | 5.4 | Bright |
| 16 | 5.4 | 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 | 5.5 | Bright |
| 27 | 5.5 | Bright |
| 28 | 5.5 | Bright |
| 29 | 5.5 | Bright |
| 30 | 5.5 | Bright |
Hazard calendar for Changhua
In April, Changhua sits inside its pacific typhoon and monsoon 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 April a good time to visit Changhua?
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 Changhua for sightseeing.
What to pack for Changhua in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Changhua sees daytime highs around 26°C and nights near 21°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.
Sea temperature near Changhua in April
The nearest coast averages about 24°C in April — 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 April
Clear-sky midday UV in April peaks around 8 — 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 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 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).