Hengchun weather in April
In April, Hengchun sees average daytime highs of 25°C and overnight lows near 24°C, with 44 mm of rain across 7.2 wet days and about 12.5 hours of daylight. It is the 7th-warmest and 10th-wettest month of the year here.
Highs climb over the month, from about 25°C in the first days to 26°C by the end. The sky is clear or mostly clear about 48% of the time in April, and the air most often feels oppressive.
Daylight stretches from about 12 h 12 min at the start of April to 12 h 48 min by month's end. Set against the rest of the year, April is Hengchun's 3rd-clearest and 7th-windiest month. For the whole year in context, see Hengchun's year-round climate.
- Daytime high
- 25°
- 7th warmest
- Overnight low
- 24°
- 6th coldest
- Rainfall
- 44 mm
- 7.2 wet days
- Daylight
- 12 h 30 min
- 5:42 AM – 6:12 PM
- Cloud cover
- 46%
- 3rd clearest
- Wind
- 24 km/h
- 7th windiest
- Solar energy
- 6.03 kWh/m²
- Travel score
- 7.4
- out of 10
Temperature in April
Highs climb over the month, from about 25°C in the first days to 26°C by the end.
A typical April day in Hengchun reaches about 25°C in the afternoon and slips back to 24°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°C. Set against its neighbours, April runs about 2°C warmer than March and about 2°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 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 25 | 23 |
| 2 | 25 | 23 |
| 3 | 25 | 23 |
| 4 | 25 | 23 |
| 5 | 25 | 23 |
| 6 | 25 | 23 |
| 7 | 25 | 23 |
| 8 | 25 | 23 |
| 9 | 25 | 23 |
| 10 | 25 | 23 |
| 11 | 25 | 23 |
| 12 | 25 | 24 |
| 13 | 25 | 24 |
| 14 | 25 | 24 |
| 15 | 25 | 24 |
| 16 | 26 | 24 |
| 17 | 26 | 24 |
| 18 | 26 | 24 |
| 19 | 26 | 24 |
| 20 | 26 | 24 |
| 21 | 26 | 24 |
| 22 | 26 | 24 |
| 23 | 26 | 24 |
| 24 | 26 | 24 |
| 25 | 26 | 24 |
| 26 | 26 | 25 |
| 27 | 26 | 25 |
| 28 | 26 | 25 |
| 29 | 26 | 25 |
| 30 | 26 | 25 |
How April really feels in Hengchun
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.
Hengchun weather by month
How April compares with the rest of the year at a glance. April is the 7th-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 22° / 20° | 48 | 8.3 | 10.8 | 7.0 |
| Feb | 22° / 21° | 34 | 7.4 | 11.2 | 7.2 |
| Mar | 24° / 22° | 29 | 6.6 | 11.8 | 7.7 |
| Apr | 25° / 24° | 44 | 7.2 | 12.5 | 7.4 |
| May | 27° / 26° | 177 | 13.9 | 13 | 5.9 |
| Jun | 28° / 27° | 298 | 19.8 | 13.3 | 4.5 |
| Jul | 28° / 27° | 292 | 19.5 | 13.2 | 4.5 |
| Aug | 28° / 27° | 370 | 20.1 | 12.8 | 4.5 |
| Sep | 28° / 26° | 213 | 13.9 | 12.1 | 5.6 |
| Oct | 27° / 25° | 106 | 6.6 | 11.5 | 7.3 |
| Nov | 25° / 23° | 78 | 6 | 10.9 | 7.8 |
| Dec | 23° / 21° | 48 | 7 | 10.7 | 7.5 |
Cloud cover in April
The sky is clear or mostly clear about 48% 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 33%.
| 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 (%) | 68 | 68 | 69 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 69 | 69 | 69 | 69 | 68 | 68 | 68 | 68 | 67 | 67 | 67 | 65 | 65 | 64 | 64 | 63 | 62 | 61 | 61 | 60 |
| Cloudier (%) | 32 | 32 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 35 | 35 | 36 | 36 | 37 | 38 | 39 | 39 | 40 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 68 | 32 |
| 2 | 68 | 32 |
| 3 | 69 | 31 |
| 4 | 70 | 30 |
| 5 | 70 | 30 |
| 6 | 70 | 30 |
| 7 | 70 | 30 |
| 8 | 70 | 30 |
| 9 | 70 | 30 |
| 10 | 70 | 30 |
| 11 | 69 | 31 |
| 12 | 69 | 31 |
| 13 | 69 | 31 |
| 14 | 69 | 31 |
| 15 | 68 | 32 |
| 16 | 68 | 32 |
| 17 | 68 | 32 |
| 18 | 68 | 32 |
| 19 | 67 | 33 |
| 20 | 67 | 33 |
| 21 | 67 | 33 |
| 22 | 65 | 35 |
| 23 | 65 | 35 |
| 24 | 64 | 36 |
| 25 | 64 | 36 |
| 26 | 63 | 37 |
| 27 | 62 | 38 |
| 28 | 61 | 39 |
| 29 | 61 | 39 |
| 30 | 60 | 40 |
Chance of precipitation in April
Hengchun gets around 44 mm of rain over 7.2 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 25% and peaks near 27% 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 (%) | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 25 | 26 | 26 | 27 |
| Rain chance (%) | |
|---|---|
| 1 | 24 |
| 2 | 24 |
| 3 | 24 |
| 4 | 24 |
| 5 | 25 |
| 6 | 25 |
| 7 | 25 |
| 8 | 26 |
| 9 | 26 |
| 10 | 26 |
| 11 | 26 |
| 12 | 26 |
| 13 | 26 |
| 14 | 26 |
| 15 | 26 |
| 16 | 25 |
| 17 | 25 |
| 18 | 24 |
| 19 | 24 |
| 20 | 23 |
| 21 | 23 |
| 22 | 23 |
| 23 | 23 |
| 24 | 23 |
| 25 | 24 |
| 26 | 24 |
| 27 | 25 |
| 28 | 26 |
| 29 | 26 |
| 30 | 27 |
Humidity in April
Most of April feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the oppressive band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 85% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 9 | 9 | 8 | 7 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Humid (%) | 19 | 19 | 19 | 18 | 18 | 17 | 17 | 16 | 15 | 15 | 14 | 13 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 |
| Muggy (%) | 37 | 37 | 37 | 37 | 37 | 38 | 38 | 37 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 28 | 27 | 26 | 25 | 24 | 22 | 22 | 21 | 20 | 19 | 19 | 19 | 19 | 19 |
| Oppressive (%) | 34 | 35 | 36 | 37 | 37 | 38 | 39 | 40 | 41 | 43 | 44 | 46 | 47 | 49 | 50 | 51 | 53 | 54 | 55 | 56 | 56 | 58 | 58 | 58 | 58 | 58 | 58 | 57 | 57 | 56 |
| Miserable (%) | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 6 | 6 | 7 | 7 | 8 | 9 | 9 | 10 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 16 | 17 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 9 | 19 | 37 | 34 | 1 |
| 2 | 9 | 19 | 37 | 35 | 1 |
| 3 | 8 | 19 | 37 | 36 | 1 |
| 4 | 7 | 18 | 37 | 37 | 1 |
| 5 | 6 | 18 | 37 | 37 | 1 |
| 6 | 5 | 17 | 38 | 38 | 2 |
| 7 | 5 | 17 | 38 | 39 | 2 |
| 8 | 4 | 16 | 37 | 40 | 2 |
| 9 | 4 | 15 | 37 | 41 | 3 |
| 10 | 3 | 15 | 36 | 43 | 3 |
| 11 | 3 | 14 | 35 | 44 | 4 |
| 12 | 3 | 13 | 34 | 46 | 4 |
| 13 | 2 | 12 | 33 | 47 | 5 |
| 14 | 2 | 11 | 32 | 49 | 6 |
| 15 | 2 | 11 | 31 | 50 | 6 |
| 16 | 2 | 10 | 30 | 51 | 7 |
| 17 | 2 | 10 | 28 | 53 | 7 |
| 18 | 2 | 9 | 27 | 54 | 8 |
| 19 | 1 | 9 | 26 | 55 | 9 |
| 20 | 1 | 9 | 25 | 56 | 9 |
| 21 | 1 | 9 | 24 | 56 | 10 |
| 22 | 1 | 9 | 22 | 58 | 10 |
| 23 | 1 | 8 | 22 | 58 | 11 |
| 24 | 1 | 8 | 21 | 58 | 12 |
| 25 | 1 | 8 | 20 | 58 | 13 |
| 26 | 1 | 8 | 19 | 58 | 14 |
| 27 | 1 | 7 | 19 | 58 | 15 |
| 28 | 1 | 7 | 19 | 57 | 16 |
| 29 | 1 | 7 | 19 | 57 | 16 |
| 30 | 1 | 7 | 19 | 56 | 17 |
Wind in April
Winds average 24 km/h in April.
Across April, daily wind ranges from about 23 km/h on the calmest days to 26 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) | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Feels | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 26 | breezy |
| 2 | 26 | breezy |
| 3 | 26 | breezy |
| 4 | 25 | breezy |
| 5 | 25 | breezy |
| 6 | 25 | breezy |
| 7 | 25 | breezy |
| 8 | 25 | breezy |
| 9 | 25 | breezy |
| 10 | 24 | breezy |
| 11 | 24 | breezy |
| 12 | 24 | breezy |
| 13 | 24 | breezy |
| 14 | 24 | breezy |
| 15 | 24 | breezy |
| 16 | 24 | breezy |
| 17 | 24 | breezy |
| 18 | 24 | breezy |
| 19 | 24 | breezy |
| 20 | 23 | breezy |
| 21 | 23 | breezy |
| 22 | 23 | breezy |
| 23 | 23 | breezy |
| 24 | 23 | breezy |
| 25 | 23 | breezy |
| 26 | 23 | breezy |
| 27 | 23 | breezy |
| 28 | 23 | breezy |
| 29 | 23 | breezy |
| 30 | 23 | breezy |
Sunrise & sunset in April
Daylight runs from about 12 h 12 min at the start of April to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 36 minutes over April. Sunrise moves from 5:56 AM to 5:31 AM, and sunset from 6:07 PM to 6:18 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 | 12.2 | 12.3 | 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 | 12.5 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 |
| Sunrise (AM) | 5:56 | 5:55 | 5:54 | 5:53 | 5:52 | 5:51 | 5:50 | 5:49 | 5:48 | 5:47 | 5:47 | 5:46 | 5:45 | 5:44 | 5:43 | 5:42 | 5:41 | 5:40 | 5:39 | 5:39 | 5:38 | 5:37 | 5:36 | 5:35 | 5:35 | 5:34 | 5:33 | 5:32 | 5:32 | 5:31 |
| Sunset (PM) | 6:07 | 6:08 | 6:08 | 6:08 | 6:09 | 6:09 | 6:09 | 6:10 | 6:10 | 6:10 | 6:11 | 6:11 | 6:11 | 6:12 | 6:12 | 6:12 | 6:13 | 6:13 | 6:14 | 6:14 | 6:14 | 6:15 | 6:15 | 6:15 | 6:16 | 6:16 | 6:17 | 6:17 | 6:17 | 6:18 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.2 | 5:56 | 6:07 |
| 2 | 12.2 | 5:55 | 6:08 |
| 3 | 12.2 | 5:54 | 6:08 |
| 4 | 12.3 | 5:53 | 6:08 |
| 5 | 12.3 | 5:52 | 6:09 |
| 6 | 12.3 | 5:51 | 6:09 |
| 7 | 12.3 | 5:50 | 6:09 |
| 8 | 12.3 | 5:49 | 6:10 |
| 9 | 12.4 | 5:48 | 6:10 |
| 10 | 12.4 | 5:47 | 6:10 |
| 11 | 12.4 | 5:47 | 6:11 |
| 12 | 12.4 | 5:46 | 6:11 |
| 13 | 12.4 | 5:45 | 6:11 |
| 14 | 12.5 | 5:44 | 6:12 |
| 15 | 12.5 | 5:43 | 6:12 |
| 16 | 12.5 | 5:42 | 6:12 |
| 17 | 12.5 | 5:41 | 6:13 |
| 18 | 12.5 | 5:40 | 6:13 |
| 19 | 12.6 | 5:39 | 6:14 |
| 20 | 12.6 | 5:39 | 6:14 |
| 21 | 12.6 | 5:38 | 6:14 |
| 22 | 12.6 | 5:37 | 6:15 |
| 23 | 12.6 | 5:36 | 6:15 |
| 24 | 12.7 | 5:35 | 6:15 |
| 25 | 12.7 | 5:35 | 6:16 |
| 26 | 12.7 | 5:34 | 6:16 |
| 27 | 12.7 | 5:33 | 6:17 |
| 28 | 12.7 | 5:32 | 6:17 |
| 29 | 12.8 | 5:32 | 6:17 |
| 30 | 12.8 | 5:31 | 6:18 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 6.03 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 3.37 kWh/m² to a high of 6.03 kWh/m² in April across the year — April's 6.03 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) | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.7 | Bright |
| 2 | 5.7 | Bright |
| 3 | 5.7 | Bright |
| 4 | 5.8 | Bright |
| 5 | 5.8 | Bright |
| 6 | 5.8 | Bright |
| 7 | 5.8 | Bright |
| 8 | 5.9 | Bright |
| 9 | 5.9 | Bright |
| 10 | 5.9 | Bright |
| 11 | 5.9 | Bright |
| 12 | 6.0 | Bright |
| 13 | 6.0 | Bright |
| 14 | 6.0 | Intense |
| 15 | 6.0 | Intense |
| 16 | 6.1 | Intense |
| 17 | 6.1 | Intense |
| 18 | 6.1 | Intense |
| 19 | 6.1 | Intense |
| 20 | 6.1 | Intense |
| 21 | 6.1 | Intense |
| 22 | 6.2 | Intense |
| 23 | 6.2 | Intense |
| 24 | 6.2 | Intense |
| 25 | 6.2 | Intense |
| 26 | 6.2 | Intense |
| 27 | 6.2 | Intense |
| 28 | 6.1 | Intense |
| 29 | 6.1 | Intense |
| 30 | 6.1 | Intense |
Hazard calendar for Hengchun
In April, Hengchun sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Hengchun sits in the Pacific typhoon belt; the season peaks July–October.
Hengchun's monsoon runs May–September, when most of the year's rain falls.
Is April a good time to visit Hengchun?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is one of the better times to visit Hengchun for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Hengchun in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Hengchun sees daytime highs around 25°C and nights near 24°C. Pack sun protection. Worth having: light clothes and a windbreaker. About 7 days see rain.
Sea temperature near Hengchun in April
The nearest coast averages about 26°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 18 km away) is warmest in July at about 29°C and coldest in January near 24°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 24 | 24 | 25 | 26 | 28 | 29 | 29 | 29 | 29 | 28 | 26 | 25 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 24 | Warm |
| Feb | 24 | Warm |
| Mar | 25 | Warm |
| Apr | 26 | Warm |
| May | 28 | Warm |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 28 | Warm |
| Nov | 26 | Warm |
| Dec | 25 | Warm |
UV index in Hengchun in April
Clear-sky midday UV in April peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Hengchun peaks around August 13 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 6 (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) | 7 | 9 | 10 | 10 | 10 | 12 | 12 | 12 | 11 | 9 | 8 | 6 |
| Level | High | Very high | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | High |
| Feb | 9 | Very high |
| Mar | 10 | Extreme |
| Apr | 10 | Very high |
| May | 10 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 11 | Extreme |
| Oct | 9 | Very high |
| Nov | 8 | Very high |
| Dec | 6 | High |
Air quality in Hengchun 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 Hengchun is worst in March — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (June, 8 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) | 14 | 15 | 16 | 13 | 9 | 8 | 9 | 11 | 10 | 13 | 13 | 15 |
| Level | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 15 | Moderate |
| Mar | 16 | Moderate |
| Apr | 13 | Moderate |
| May | 9 | Good |
| Jun | 8 | Good |
| Jul | 9 | Good |
| Aug | 11 | Good |
| Sep | 10 | Good |
| Oct | 13 | Moderate |
| Nov | 13 | Moderate |
| Dec | 15 | Moderate |
Where is Hengchun?
Hengchun sits at 22.0°N, 120.7°E, 25 m above sea level, in Taiwan. The nearest listed city is Donggang, 60 km away.
Topography around Hengchun
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Hengchun.
Within 3 km, the terrain around Hengchun has significant variations in elevation — a maximum elevation change of 368 m around an average of 58 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 887 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,015 m.
The land around Hengchun is covered by trees (51%) and cropland (22%) within 3 km, water (54%) and trees (39%) within 16 km, and water (74%) and trees (22%) 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 Hengchun (22.0042°, 120.7439°, elevation 25 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).