Yilan weather in February
In February, Yilan sees average daytime highs of 17°C and overnight lows near 13°C, with 164 mm of precipitation across 19.7 wet days and about 11.1 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.
Highs climb over the month, from about 16°C in the first days to 18°C by the end. The sky is clear or mostly clear about 7% of the time in February, and the air most often feels dry.
Daylight stretches from about 10 h 54 min at the start of February to 11 h 24 min by month's end. Set against the rest of the year, February is Yilan's 10th-clearest and 5th-windiest month. For the whole year in context, see Yilan's year-round climate.
- Daytime high
- 17°
- 11th warmest
- Overnight low
- 13°
- 2nd coldest
- Precipitation
- 164 mm
- 19.7 wet days
- Daylight
- 11 h 06 min
- 6:33 AM – 5:42 PM
- Cloud cover
- 82%
- 10th clearest
- Wind
- 8 km/h
- 5th windiest
- Solar energy
- 2.72 kWh/m²
- Travel score
- 3.9
- out of 10
Yilan is A county-administered city in Yilan County, Taiwan.
- Density
- 3,203/km²
- people per km²
- Founded
- 1945
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in February
Highs climb over the month, from about 16°C in the first days to 18°C by the end.
A typical February day in Yilan reaches about 17°C in the afternoon and slips back to 13°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 21°C. Set against its neighbours, February runs on par with January and about 2°C cooler than March.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Avg low (°C) | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 16 | 12 |
| 2 | 16 | 12 |
| 3 | 16 | 12 |
| 4 | 16 | 12 |
| 5 | 16 | 12 |
| 6 | 17 | 13 |
| 7 | 17 | 13 |
| 8 | 17 | 13 |
| 9 | 17 | 13 |
| 10 | 17 | 13 |
| 11 | 17 | 13 |
| 12 | 17 | 13 |
| 13 | 17 | 13 |
| 14 | 17 | 13 |
| 15 | 17 | 13 |
| 16 | 17 | 13 |
| 17 | 17 | 13 |
| 18 | 17 | 13 |
| 19 | 17 | 13 |
| 20 | 18 | 13 |
| 21 | 18 | 13 |
| 22 | 18 | 13 |
| 23 | 18 | 14 |
| 24 | 18 | 14 |
| 25 | 18 | 14 |
| 26 | 18 | 14 |
| 27 | 18 | 14 |
| 28 | 18 | 14 |
How February really feels in Yilan
Once humidity and wind are folded in, February 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.
February sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Yilan weather by month
How February compares with the rest of the year at a glance. February is the 11th-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 | 17° / 13° | 190 | 22 | 10.6 | 3.6 |
| Feb | 17° / 13° | 164 | 19.7 | 11.1 | 3.9 |
| Mar | 19° / 15° | 152 | 19.9 | 11.8 | 4.6 |
| Apr | 22° / 18° | 185 | 20.8 | 12.6 | 4.8 |
| May | 25° / 21° | 297 | 25.2 | 13.2 | 4.3 |
| Jun | 28° / 24° | 319 | 25.3 | 13.5 | 3.6 |
| Jul | 30° / 25° | 271 | 22.3 | 13.4 | 3.7 |
| Aug | 29° / 25° | 329 | 22.9 | 12.9 | 3.7 |
| Sep | 27° / 24° | 336 | 20.5 | 12.2 | 4.6 |
| Oct | 24° / 21° | 394 | 21.6 | 11.4 | 4.9 |
| Nov | 21° / 18° | 336 | 21 | 10.8 | 4.6 |
| Dec | 18° / 14° | 244 | 21.7 | 10.5 | 4.1 |
Cloud cover in February
The sky is clear or mostly clear about 7% of the time in February.
Beyond those clear spells, partly cloudy skies cover about 10% of February, with mostly cloudy or overcast conditions the remaining 83%.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 15 | 15 | 15 | 16 | 15 | 15 | 16 | 16 | 16 | 15 | 16 | 17 | 17 | 17 | 18 | 19 | 20 | 21 | 21 | 21 | 23 |
| Cloudier (%) | 82 | 82 | 82 | 83 | 83 | 83 | 84 | 85 | 85 | 85 | 84 | 85 | 85 | 84 | 84 | 84 | 85 | 84 | 83 | 83 | 83 | 82 | 81 | 80 | 79 | 79 | 79 | 77 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 18 | 82 |
| 2 | 18 | 82 |
| 3 | 18 | 82 |
| 4 | 17 | 83 |
| 5 | 17 | 83 |
| 6 | 17 | 83 |
| 7 | 16 | 84 |
| 8 | 15 | 85 |
| 9 | 15 | 85 |
| 10 | 15 | 85 |
| 11 | 16 | 84 |
| 12 | 15 | 85 |
| 13 | 15 | 85 |
| 14 | 16 | 84 |
| 15 | 16 | 84 |
| 16 | 16 | 84 |
| 17 | 15 | 85 |
| 18 | 16 | 84 |
| 19 | 17 | 83 |
| 20 | 17 | 83 |
| 21 | 17 | 83 |
| 22 | 18 | 82 |
| 23 | 19 | 81 |
| 24 | 20 | 80 |
| 25 | 21 | 79 |
| 26 | 21 | 79 |
| 27 | 21 | 79 |
| 28 | 23 | 77 |
Chance of precipitation in February
Yilan gets around 164 mm of rain and snow over 19.7 wet days in February. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 70% and peaks near 73% on the wettest days, and about 0 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 70 | 70 | 70 | 70 | 70 | 70 | 71 | 71 | 71 | 72 | 72 | 72 | 73 | 73 | 73 | 72 | 72 | 72 | 71 | 71 | 71 | 70 | 69 | 69 | 68 | 67 | 67 | 66 |
| Rain chance (%) | |
|---|---|
| 1 | 70 |
| 2 | 70 |
| 3 | 70 |
| 4 | 70 |
| 5 | 70 |
| 6 | 70 |
| 7 | 71 |
| 8 | 71 |
| 9 | 71 |
| 10 | 72 |
| 11 | 72 |
| 12 | 72 |
| 13 | 73 |
| 14 | 73 |
| 15 | 73 |
| 16 | 72 |
| 17 | 72 |
| 18 | 72 |
| 19 | 71 |
| 20 | 71 |
| 21 | 71 |
| 22 | 70 |
| 23 | 69 |
| 24 | 69 |
| 25 | 68 |
| 26 | 67 |
| 27 | 67 |
| 28 | 66 |
Humidity in February
Most of February feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, February lands in the dry band about 52% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 62 | 62 | 60 | 60 | 59 | 58 | 57 | 56 | 54 | 53 | 53 | 52 | 51 | 51 | 51 | 49 | 49 | 48 | 48 | 47 | 47 | 46 | 46 | 46 | 46 | 45 | 45 | 45 |
| Comfortable (%) | 31 | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 33 | 33 | 33 | 32 | 32 | 32 | 31 | 31 |
| Humid (%) | 7 | 7 | 8 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 14 | 15 | 16 | 16 | 16 | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 20 | 20 | 21 | 21 | 22 | 22 |
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 62 | 31 | 7 | 0 |
| 2 | 62 | 31 | 7 | 0 |
| 3 | 60 | 32 | 8 | 0 |
| 4 | 60 | 32 | 8 | 0 |
| 5 | 59 | 32 | 9 | 0 |
| 6 | 58 | 32 | 10 | 0 |
| 7 | 57 | 32 | 11 | 0 |
| 8 | 56 | 32 | 12 | 0 |
| 9 | 54 | 33 | 13 | 0 |
| 10 | 53 | 33 | 14 | 0 |
| 11 | 53 | 33 | 14 | 0 |
| 12 | 52 | 33 | 15 | 0 |
| 13 | 51 | 33 | 16 | 0 |
| 14 | 51 | 33 | 16 | 0 |
| 15 | 51 | 33 | 16 | 0 |
| 16 | 49 | 33 | 17 | 0 |
| 17 | 49 | 33 | 17 | 1 |
| 18 | 48 | 34 | 18 | 1 |
| 19 | 48 | 34 | 18 | 1 |
| 20 | 47 | 34 | 18 | 1 |
| 21 | 47 | 33 | 19 | 1 |
| 22 | 46 | 33 | 19 | 1 |
| 23 | 46 | 33 | 20 | 1 |
| 24 | 46 | 32 | 20 | 1 |
| 25 | 46 | 32 | 21 | 1 |
| 26 | 45 | 32 | 21 | 2 |
| 27 | 45 | 31 | 22 | 2 |
| 28 | 45 | 31 | 22 | 2 |
Wind in February
Winds average 8 km/h in February.
Across February, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| 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 |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 9 | calm |
| 2 | 9 | calm |
| 3 | 9 | calm |
| 4 | 9 | calm |
| 5 | 9 | calm |
| 6 | 9 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 9 | 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 | 8 | calm |
| 21 | 8 | calm |
| 22 | 8 | calm |
| 23 | 8 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
Sunrise & sunset in February
Daylight runs from about 10 h 54 min at the start of February to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 30 minutes over February. Sunrise moves from 6:41 AM to 6:23 AM, and sunset from 5:32 PM to 5:49 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.3 | 11.3 | 11.3 | 11.3 | 11.4 | 11.4 | 11.4 | 11.4 |
| Sunrise (AM) | 6:41 | 6:40 | 6:40 | 6:39 | 6:39 | 6:39 | 6:38 | 6:38 | 6:37 | 6:36 | 6:36 | 6:35 | 6:35 | 6:34 | 6:33 | 6:33 | 6:32 | 6:31 | 6:31 | 6:30 | 6:29 | 6:28 | 6:28 | 6:27 | 6:26 | 6:25 | 6:24 | 6:23 |
| Sunset (PM) | 5:32 | 5:33 | 5:34 | 5:34 | 5:35 | 5:36 | 5:37 | 5:37 | 5:38 | 5:39 | 5:39 | 5:40 | 5:40 | 5:41 | 5:42 | 5:42 | 5:43 | 5:44 | 5:44 | 5:45 | 5:45 | 5:46 | 5:47 | 5:47 | 5:48 | 5:48 | 5:49 | 5:49 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.9 | 6:41 | 5:32 |
| 2 | 10.9 | 6:40 | 5:33 |
| 3 | 10.9 | 6:40 | 5:34 |
| 4 | 10.9 | 6:39 | 5:34 |
| 5 | 10.9 | 6:39 | 5:35 |
| 6 | 11.0 | 6:39 | 5:36 |
| 7 | 11.0 | 6:38 | 5:37 |
| 8 | 11.0 | 6:38 | 5:37 |
| 9 | 11.0 | 6:37 | 5:38 |
| 10 | 11.0 | 6:36 | 5:39 |
| 11 | 11.1 | 6:36 | 5:39 |
| 12 | 11.1 | 6:35 | 5:40 |
| 13 | 11.1 | 6:35 | 5:40 |
| 14 | 11.1 | 6:34 | 5:41 |
| 15 | 11.1 | 6:33 | 5:42 |
| 16 | 11.2 | 6:33 | 5:42 |
| 17 | 11.2 | 6:32 | 5:43 |
| 18 | 11.2 | 6:31 | 5:44 |
| 19 | 11.2 | 6:31 | 5:44 |
| 20 | 11.2 | 6:30 | 5:45 |
| 21 | 11.3 | 6:29 | 5:45 |
| 22 | 11.3 | 6:28 | 5:46 |
| 23 | 11.3 | 6:28 | 5:47 |
| 24 | 11.3 | 6:27 | 5:47 |
| 25 | 11.4 | 6:26 | 5:48 |
| 26 | 11.4 | 6:25 | 5:48 |
| 27 | 11.4 | 6:24 | 5:49 |
| 28 | 11.4 | 6:23 | 5:49 |
Solar energy in February
Average shortwave solar energy reaching the ground each day in February, about 2.72 kWh/m².
For context, solar energy here swings from a low near 2.07 kWh/m² to a high of 5.81 kWh/m² in July across the year — February's 2.72 kWh/m² falls in the middle.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 2.4 | 2.4 | 2.4 | 2.5 | 2.5 | 2.5 | 2.6 | 2.6 | 2.6 | 2.6 | 2.7 | 2.7 | 2.7 | 2.7 | 2.8 | 2.8 | 2.8 | 2.8 | 2.9 | 2.9 | 2.9 | 2.9 | 3.0 | 3.0 | 3.0 | 3.0 | 3.1 | 3.1 |
| 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 |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 2.4 | Moderate |
| 2 | 2.4 | Moderate |
| 3 | 2.4 | Moderate |
| 4 | 2.5 | Moderate |
| 5 | 2.5 | Moderate |
| 6 | 2.5 | Moderate |
| 7 | 2.6 | Moderate |
| 8 | 2.6 | Moderate |
| 9 | 2.6 | Moderate |
| 10 | 2.6 | Moderate |
| 11 | 2.7 | Moderate |
| 12 | 2.7 | Moderate |
| 13 | 2.7 | Moderate |
| 14 | 2.7 | Moderate |
| 15 | 2.8 | Moderate |
| 16 | 2.8 | Moderate |
| 17 | 2.8 | Moderate |
| 18 | 2.8 | Moderate |
| 19 | 2.9 | Moderate |
| 20 | 2.9 | Moderate |
| 21 | 2.9 | Moderate |
| 22 | 2.9 | Moderate |
| 23 | 3.0 | Moderate |
| 24 | 3.0 | Moderate |
| 25 | 3.0 | Moderate |
| 26 | 3.0 | Moderate |
| 27 | 3.1 | Moderate |
| 28 | 3.1 | Moderate |
Hazard calendar for Yilan
In February, Yilan sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Yilan sits in the Pacific typhoon belt; the season peaks July–October.
Is February a good time to visit Yilan?
Our two travel scores rate February for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
February is a weaker month for outdoor sightseeing in Yilan.
What to pack for Yilan in February
From February's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In February, Yilan sees daytime highs around 17°C and nights near 13°C. Pack rain gear. About 20 days see rain.
Sea temperature near Yilan in February
The nearest coast averages about 22°C in February — 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 August at about 28°C and coldest in January near 22°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) | 22 | 22 | 23 | 24 | 26 | 27 | 28 | 28 | 28 | 26 | 25 | 23 |
| Comfort | Refreshing | Refreshing | Refreshing | Warm | Warm | Warm | Tropical | Tropical | Warm | Warm | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 22 | Refreshing |
| Feb | 22 | Refreshing |
| Mar | 23 | Refreshing |
| Apr | 24 | Warm |
| May | 26 | Warm |
| Jun | 27 | Warm |
| Jul | 28 | Tropical |
| Aug | 28 | Tropical |
| Sep | 28 | Warm |
| Oct | 26 | Warm |
| Nov | 25 | Warm |
| Dec | 23 | Refreshing |
UV index in Yilan in February
Clear-sky midday UV in February 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 Yilan peaks around July 14 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 | 7 | 10 | 11 | 12 | 10 | 11 | 8 | 7 | 5 |
| Level | High | Very high | Very high | High | Extreme | Extreme | Extreme | Very high | Extreme | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 8 | Very high |
| Mar | 9 | Very high |
| Apr | 7 | High |
| May | 10 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 10 | Very high |
| Sep | 11 | Extreme |
| Oct | 8 | Very high |
| Nov | 7 | High |
| Dec | 5 | Moderate |
Air quality in Yilan in February
Average fine-particle pollution (PM2.5) through the year — so you can see where February falls, not just the annual average.
Air quality in Yilan is worst in April — around 52 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (October, 25 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) | 38 | 43 | 51 | 52 | 44 | 41 | 32 | 32 | 30 | 25 | 32 | 32 |
| Level | Poor | Poor | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 38 | Poor |
| Feb | 43 | Poor |
| Mar | 51 | Poor |
| Apr | 52 | Poor |
| May | 44 | Poor |
| Jun | 41 | Poor |
| Jul | 32 | Moderate |
| Aug | 32 | Moderate |
| Sep | 30 | Moderate |
| Oct | 25 | Moderate |
| Nov | 32 | Moderate |
| Dec | 32 | Moderate |
Where is Yilan?
Yilan sits at 24.8°N, 121.8°E, 15 m above sea level, in Taiwan. The nearest listed city is Xizhi, 36 km away.
Topography around Yilan
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Yilan.
Within 3 km, the terrain around Yilan has only modest variations in elevation — a maximum elevation change of 33 m around an average of 9 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,413 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,839 m.
The land around Yilan is covered by cropland (40%), artificial surfaces (35%) and trees (21%) within 3 km, trees (50%) and water (23%) within 16 km, and trees (47%) and water (46%) 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 Yilan (24.757°, 121.753°, elevation 15 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).