Erlun weather in April
In April, Erlun sees average daytime highs of 27°C and overnight lows near 20°C, with 147 mm of rain across 14.9 wet days and about 12.5 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.
Highs climb over the month, from about 26°C in the first days to 28°C by the end. The sky is clear or mostly clear about 28% 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 Erlun's 7th-clearest and 9th-windiest month. For the whole year in context, see Erlun's year-round climate.
- Daytime high
- 27°
- 7th warmest
- Overnight low
- 20°
- 6th coldest
- Rainfall
- 147 mm
- 14.9 wet days
- Daylight
- 12 h 36 min
- 5:42 AM – 6:15 PM
- Cloud cover
- 60%
- 7th clearest
- Wind
- 7 km/h
- 9th windiest
- Solar energy
- 5.57 kWh/m²
- Travel score
- 5.7
- out of 10
Temperature in April
Highs climb over the month, from about 26°C in the first days to 28°C by the end.
A typical April day in Erlun reaches about 27°C in the afternoon and slips back to 20°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°C. Set against its neighbours, April runs about 3°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 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 25 | 18 |
| 2 | 26 | 18 |
| 3 | 26 | 18 |
| 4 | 26 | 18 |
| 5 | 26 | 18 |
| 6 | 26 | 19 |
| 7 | 26 | 19 |
| 8 | 26 | 19 |
| 9 | 26 | 19 |
| 10 | 26 | 19 |
| 11 | 26 | 19 |
| 12 | 27 | 19 |
| 13 | 27 | 19 |
| 14 | 27 | 19 |
| 15 | 27 | 20 |
| 16 | 27 | 20 |
| 17 | 27 | 20 |
| 18 | 27 | 20 |
| 19 | 27 | 20 |
| 20 | 27 | 20 |
| 21 | 28 | 20 |
| 22 | 28 | 20 |
| 23 | 28 | 20 |
| 24 | 28 | 21 |
| 25 | 28 | 21 |
| 26 | 28 | 21 |
| 27 | 28 | 21 |
| 28 | 28 | 21 |
| 29 | 28 | 21 |
| 30 | 28 | 21 |
How April really feels in Erlun
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.
Erlun weather by month
How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 21° / 13° | 56 | 9.8 | 10.7 | 6.8 |
| Feb | 22° / 14° | 66 | 11.2 | 11.2 | 6.5 |
| Mar | 24° / 16° | 98 | 12.7 | 11.8 | 6.6 |
| Apr | 27° / 20° | 147 | 14.9 | 12.5 | 5.7 |
| May | 29° / 22° | 245 | 19.2 | 13.1 | 4.2 |
| Jun | 31° / 24° | 313 | 21.3 | 13.4 | 3.2 |
| Jul | 31° / 25° | 359 | 21.9 | 13.3 | 3.0 |
| Aug | 31° / 25° | 441 | 23.9 | 12.8 | 3.0 |
| Sep | 30° / 24° | 267 | 17.9 | 12.1 | 3.9 |
| Oct | 29° / 22° | 120 | 11 | 11.4 | 5.8 |
| Nov | 26° / 19° | 60 | 8.3 | 10.9 | 7.2 |
| Dec | 23° / 15° | 61 | 8.9 | 10.6 | 7.3 |
Cloud cover in April
The sky is clear or mostly clear about 28% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 54%. 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 (%) | 49 | 49 | 50 | 49 | 49 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 47 | 46 | 46 | 46 | 46 | 46 | 46 | 44 | 44 | 44 | 42 | 42 | 41 | 41 | 40 | 39 | 39 |
| Cloudier (%) | 51 | 51 | 50 | 51 | 51 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 53 | 54 | 54 | 54 | 54 | 54 | 54 | 56 | 56 | 56 | 58 | 58 | 59 | 59 | 60 | 61 | 61 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 49 | 51 |
| 2 | 49 | 51 |
| 3 | 50 | 50 |
| 4 | 49 | 51 |
| 5 | 49 | 51 |
| 6 | 48 | 52 |
| 7 | 48 | 52 |
| 8 | 48 | 52 |
| 9 | 48 | 52 |
| 10 | 48 | 52 |
| 11 | 48 | 52 |
| 12 | 48 | 52 |
| 13 | 48 | 52 |
| 14 | 47 | 53 |
| 15 | 46 | 54 |
| 16 | 46 | 54 |
| 17 | 46 | 54 |
| 18 | 46 | 54 |
| 19 | 46 | 54 |
| 20 | 46 | 54 |
| 21 | 44 | 56 |
| 22 | 44 | 56 |
| 23 | 44 | 56 |
| 24 | 42 | 58 |
| 25 | 42 | 58 |
| 26 | 41 | 59 |
| 27 | 41 | 59 |
| 28 | 40 | 60 |
| 29 | 39 | 61 |
| 30 | 39 | 61 |
Chance of precipitation in April
Erlun gets around 147 mm of rain over 14.9 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 50% and peaks near 55% on the wettest days. The odds climb 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 47 | 47 | 48 | 48 | 48 | 48 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 51 | 51 | 52 | 53 | 53 | 54 | 54 | 55 | 55 |
| Rain chance (%) | |
|---|---|
| 1 | 47 |
| 2 | 47 |
| 3 | 48 |
| 4 | 48 |
| 5 | 48 |
| 6 | 48 |
| 7 | 49 |
| 8 | 49 |
| 9 | 49 |
| 10 | 49 |
| 11 | 49 |
| 12 | 49 |
| 13 | 49 |
| 14 | 50 |
| 15 | 50 |
| 16 | 50 |
| 17 | 50 |
| 18 | 50 |
| 19 | 50 |
| 20 | 50 |
| 21 | 50 |
| 22 | 51 |
| 23 | 51 |
| 24 | 52 |
| 25 | 53 |
| 26 | 53 |
| 27 | 54 |
| 28 | 54 |
| 29 | 55 |
| 30 | 55 |
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 53% of days. Sticky, muggy-or-worse air turns up on roughly 73% 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 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Comfortable (%) | 12 | 11 | 11 | 10 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 1 |
| Humid (%) | 34 | 33 | 32 | 31 | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 23 | 22 | 21 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 9 | 8 | 8 | 7 | 7 |
| Muggy (%) | 46 | 47 | 49 | 51 | 51 | 53 | 54 | 55 | 55 | 56 | 56 | 58 | 57 | 56 | 56 | 56 | 56 | 56 | 55 | 55 | 54 | 53 | 52 | 52 | 51 | 50 | 49 | 47 | 46 | 45 |
| Oppressive (%) | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 7 | 8 | 9 | 11 | 12 | 14 | 16 | 18 | 20 | 21 | 23 | 25 | 26 | 28 | 30 | 32 | 35 | 37 | 39 | 41 | 43 | 44 | 46 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 6 | 12 | 34 | 46 | 3 |
| 2 | 5 | 11 | 33 | 47 | 3 |
| 3 | 5 | 11 | 32 | 49 | 4 |
| 4 | 4 | 10 | 31 | 51 | 4 |
| 5 | 4 | 9 | 31 | 51 | 5 |
| 6 | 4 | 8 | 30 | 53 | 5 |
| 7 | 3 | 8 | 29 | 54 | 6 |
| 8 | 3 | 7 | 28 | 55 | 7 |
| 9 | 3 | 7 | 27 | 55 | 8 |
| 10 | 3 | 6 | 26 | 56 | 9 |
| 11 | 2 | 6 | 25 | 56 | 11 |
| 12 | 2 | 5 | 23 | 58 | 12 |
| 13 | 2 | 5 | 22 | 57 | 14 |
| 14 | 2 | 5 | 21 | 56 | 16 |
| 15 | 2 | 5 | 19 | 56 | 18 |
| 16 | 1 | 5 | 18 | 56 | 20 |
| 17 | 1 | 5 | 17 | 56 | 21 |
| 18 | 1 | 4 | 16 | 56 | 23 |
| 19 | 1 | 4 | 15 | 55 | 25 |
| 20 | 1 | 4 | 14 | 55 | 26 |
| 21 | 1 | 4 | 13 | 54 | 28 |
| 22 | 1 | 4 | 12 | 53 | 30 |
| 23 | 1 | 4 | 11 | 52 | 32 |
| 24 | 0 | 3 | 10 | 52 | 35 |
| 25 | 0 | 3 | 9 | 51 | 37 |
| 26 | 0 | 3 | 9 | 50 | 39 |
| 27 | 0 | 2 | 8 | 49 | 41 |
| 28 | 0 | 2 | 8 | 47 | 43 |
| 29 | 0 | 2 | 7 | 46 | 44 |
| 30 | 0 | 1 | 7 | 45 | 46 |
Wind in April
Winds average 7 km/h in April.
Across April, daily wind ranges from about 6 km/h on the calmest days to 7 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) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| 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 |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | 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 5:57 AM to 5:30 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 | 12.3 | 12.4 | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.8 | 12.9 |
| Sunrise (AM) | 5:57 | 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 | 5:37 | 5:37 | 5:36 | 5:35 | 5:34 | 5:33 | 5:32 | 5:32 | 5:31 | 5:30 |
| Sunset (PM) | 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 | 6:16 | 6:17 | 6:17 | 6:18 | 6:18 | 6:19 | 6:19 | 6:19 | 6:20 | 6:20 | 6:21 | 6:21 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.2 | 5:57 | 6:09 |
| 2 | 12.2 | 5:56 | 6:10 |
| 3 | 12.3 | 5:55 | 6:10 |
| 4 | 12.3 | 5:54 | 6:10 |
| 5 | 12.3 | 5:53 | 6:11 |
| 6 | 12.3 | 5:52 | 6:11 |
| 7 | 12.3 | 5:51 | 6:12 |
| 8 | 12.4 | 5:50 | 6:12 |
| 9 | 12.4 | 5:49 | 6:12 |
| 10 | 12.4 | 5:48 | 6:13 |
| 11 | 12.4 | 5:47 | 6:13 |
| 12 | 12.5 | 5:46 | 6:14 |
| 13 | 12.5 | 5:45 | 6:14 |
| 14 | 12.5 | 5:44 | 6:14 |
| 15 | 12.5 | 5:43 | 6:15 |
| 16 | 12.6 | 5:42 | 6:15 |
| 17 | 12.6 | 5:41 | 6:16 |
| 18 | 12.6 | 5:40 | 6:16 |
| 19 | 12.6 | 5:39 | 6:16 |
| 20 | 12.6 | 5:38 | 6:17 |
| 21 | 12.7 | 5:37 | 6:17 |
| 22 | 12.7 | 5:37 | 6:18 |
| 23 | 12.7 | 5:36 | 6:18 |
| 24 | 12.7 | 5:35 | 6:19 |
| 25 | 12.7 | 5:34 | 6:19 |
| 26 | 12.8 | 5:33 | 6:19 |
| 27 | 12.8 | 5:32 | 6:20 |
| 28 | 12.8 | 5:32 | 6:20 |
| 29 | 12.8 | 5:31 | 6:21 |
| 30 | 12.9 | 5:30 | 6:21 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 5.57 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 3.59 kWh/m² to a high of 5.57 kWh/m² in April across the year — April's 5.57 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) | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 |
| 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 | 5.4 | Bright |
| 2 | 5.4 | Bright |
| 3 | 5.5 | Bright |
| 4 | 5.5 | Bright |
| 5 | 5.5 | Bright |
| 6 | 5.5 | Bright |
| 7 | 5.5 | Bright |
| 8 | 5.5 | Bright |
| 9 | 5.5 | Bright |
| 10 | 5.5 | Bright |
| 11 | 5.5 | Bright |
| 12 | 5.6 | Bright |
| 13 | 5.6 | Bright |
| 14 | 5.6 | Bright |
| 15 | 5.6 | Bright |
| 16 | 5.6 | Bright |
| 17 | 5.6 | Bright |
| 18 | 5.6 | Bright |
| 19 | 5.6 | Bright |
| 20 | 5.6 | Bright |
| 21 | 5.6 | Bright |
| 22 | 5.6 | Bright |
| 23 | 5.6 | Bright |
| 24 | 5.6 | Bright |
| 25 | 5.6 | Bright |
| 26 | 5.6 | Bright |
| 27 | 5.6 | Bright |
| 28 | 5.6 | Bright |
| 29 | 5.6 | Bright |
| 30 | 5.6 | Bright |
Hazard calendar for Erlun
In April, Erlun sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Erlun sits in the Pacific typhoon belt; the season peaks July–October.
Erlun's monsoon runs May–September, when most of the year's rain falls.
Is April a good time to visit Erlun?
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 Erlun for sightseeing.
What to pack for Erlun in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Erlun sees daytime highs around 27°C and nights near 20°C. Pack rain gear. Worth having: light clothes and sun protection. About 15 days see rain.
Sea temperature near Erlun 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 32 km away) is warmest in August at about 29°C and coldest in January near 21°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) | 21 | 21 | 22 | 24 | 26 | 28 | 29 | 29 | 28 | 26 | 25 | 22 |
| Comfort | Refreshing | Refreshing | Refreshing | Warm | Warm | Warm | Tropical | Tropical | Warm | Warm | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 21 | Refreshing |
| Feb | 21 | Refreshing |
| Mar | 22 | Refreshing |
| Apr | 24 | Warm |
| May | 26 | Warm |
| Jun | 28 | Warm |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 28 | Warm |
| Oct | 26 | Warm |
| Nov | 25 | Warm |
| Dec | 22 | Refreshing |
UV index in Erlun in April
Clear-sky midday UV in April peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Erlun peaks around June 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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) | 6 | 8 | 10 | 8 | 10 | 12 | 10 | 11 | 9 | 7 | 7 | 6 |
| 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 | 10 | Very high |
| Apr | 8 | Very high |
| May | 10 | Very high |
| Jun | 12 | Extreme |
| Jul | 10 | Extreme |
| Aug | 11 | Extreme |
| Sep | 9 | Very high |
| Oct | 7 | Very high |
| Nov | 7 | High |
| Dec | 6 | High |
Air quality in Erlun 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 Erlun 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 Erlun?
Erlun sits at 23.8°N, 120.4°E, 27 m above sea level, in Taiwan. The nearest listed city is Xiluo, 6.0 km away.
Topography around Erlun
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Erlun.
Within 3 km, the terrain around Erlun has only modest variations in elevation — a maximum elevation change of 16 m around an average of 23 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 67 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,887 m.
The land around Erlun is covered by cropland (57%) and artificial surfaces (21%) within 3 km, cropland (63%) within 16 km, and trees (42%) and water (35%) 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 Erlun (23.7705°, 120.4134°, elevation 27 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).