Lāhījān weather in April
In April, Lāhījān sees average daytime highs of 19°C and overnight lows near 10°C, with 81 mm of rain across 10.5 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.
Highs climb over the month, from about 17°C in the first days to 20°C by the end. The sky is clear or mostly clear about 28% of the time in April, and the air most often feels dry.
Daylight stretches from about 12 h 24 min at the start of April to 13 h 30 min by month's end. Set against the rest of the year, April is Lāhījān's 12th-clearest and 6th-windiest month. For the whole year in context, see Lāhījān's year-round climate.
- Daytime high
- 19°
- 7th warmest
- Overnight low
- 10°
- 6th coldest
- Rainfall
- 81 mm
- 10.5 wet days
- Daylight
- 13 hours
- 5:42 AM – 6:39 PM
- Cloud cover
- 64%
- 12th clearest
- Wind
- 7 km/h
- 6th windiest
- Solar energy
- 5.34 kWh/m²
- Travel score
- 5.8
- out of 10
Lāhījān is city in Gilan Province, Iran.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in April
Highs climb over the month, from about 17°C in the first days to 20°C by the end.
A typical April day in Lāhījān reaches about 19°C in the afternoon and slips back to 10°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 25°C. Set against its neighbours, April runs about 4°C warmer than March and about 5°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) | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Avg low (°C) | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 17 | 8 |
| 2 | 17 | 9 |
| 3 | 17 | 9 |
| 4 | 17 | 9 |
| 5 | 17 | 9 |
| 6 | 18 | 9 |
| 7 | 18 | 9 |
| 8 | 18 | 9 |
| 9 | 18 | 10 |
| 10 | 18 | 10 |
| 11 | 18 | 10 |
| 12 | 19 | 10 |
| 13 | 19 | 10 |
| 14 | 19 | 10 |
| 15 | 19 | 10 |
| 16 | 19 | 11 |
| 17 | 19 | 11 |
| 18 | 19 | 11 |
| 19 | 19 | 11 |
| 20 | 19 | 11 |
| 21 | 19 | 11 |
| 22 | 19 | 11 |
| 23 | 20 | 11 |
| 24 | 20 | 12 |
| 25 | 20 | 12 |
| 26 | 20 | 12 |
| 27 | 20 | 12 |
| 28 | 20 | 12 |
| 29 | 20 | 12 |
| 30 | 20 | 12 |
How April really feels in Lāhījān
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.
Lāhījān weather by month
How April compares with the rest of the year at a glance. April is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 12° / 4° | 116 | 12 | 1.6 | 9.7 | 2.9 |
| Feb | 12° / 4° | 121 | 12.3 | 2.2 | 10.6 | 2.9 |
| Mar | 15° / 7° | 115 | 13.3 | 0.4 | 11.7 | 4.1 |
| Apr | 19° / 10° | 81 | 10.5 | 0 | 12.9 | 5.8 |
| May | 23° / 15° | 50 | 8.5 | 0 | 14 | 7.0 |
| Jun | 27° / 19° | 64 | 8.4 | 0 | 14.5 | 6.7 |
| Jul | 29° / 22° | 72 | 9.9 | 0 | 14.3 | 5.5 |
| Aug | 30° / 22° | 84 | 11.7 | 0 | 13.4 | 5.2 |
| Sep | 26° / 19° | 158 | 14.1 | 0 | 12.3 | 6.0 |
| Oct | 22° / 15° | 174 | 14.3 | 0 | 11 | 6.1 |
| Nov | 17° / 10° | 168 | 13.6 | 0.2 | 10 | 4.9 |
| Dec | 13° / 6° | 124 | 11.5 | 0.7 | 9.5 | 3.7 |
Cloud cover in April
The sky is clear or mostly clear about 28% of the time in April, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 58%.
| 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 (%) | 41 | 41 | 42 | 41 | 42 | 43 | 43 | 44 | 44 | 44 | 46 | 46 | 45 | 45 | 45 | 45 | 44 | 44 | 44 | 42 | 42 | 41 | 40 | 40 | 39 | 39 | 38 | 38 | 39 | 39 |
| Cloudier (%) | 59 | 59 | 58 | 59 | 58 | 57 | 57 | 56 | 56 | 56 | 54 | 54 | 55 | 55 | 55 | 55 | 56 | 56 | 56 | 58 | 58 | 59 | 60 | 60 | 61 | 61 | 62 | 62 | 61 | 61 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 41 | 59 |
| 2 | 41 | 59 |
| 3 | 42 | 58 |
| 4 | 41 | 59 |
| 5 | 42 | 58 |
| 6 | 43 | 57 |
| 7 | 43 | 57 |
| 8 | 44 | 56 |
| 9 | 44 | 56 |
| 10 | 44 | 56 |
| 11 | 46 | 54 |
| 12 | 46 | 54 |
| 13 | 45 | 55 |
| 14 | 45 | 55 |
| 15 | 45 | 55 |
| 16 | 45 | 55 |
| 17 | 44 | 56 |
| 18 | 44 | 56 |
| 19 | 44 | 56 |
| 20 | 42 | 58 |
| 21 | 42 | 58 |
| 22 | 41 | 59 |
| 23 | 40 | 60 |
| 24 | 40 | 60 |
| 25 | 39 | 61 |
| 26 | 39 | 61 |
| 27 | 38 | 62 |
| 28 | 38 | 62 |
| 29 | 39 | 61 |
| 30 | 39 | 61 |
Chance of precipitation in April
Lāhījān gets around 81 mm of rain over 10.5 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 35% and peaks near 37% 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 (%) | 37 | 37 | 36 | 36 | 35 | 35 | 35 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 34 | 34 | 35 | 35 | 35 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 35 | 35 | 34 |
| Rain chance (%) | |
|---|---|
| 1 | 37 |
| 2 | 37 |
| 3 | 36 |
| 4 | 36 |
| 5 | 35 |
| 6 | 35 |
| 7 | 35 |
| 8 | 34 |
| 9 | 34 |
| 10 | 34 |
| 11 | 33 |
| 12 | 33 |
| 13 | 33 |
| 14 | 33 |
| 15 | 33 |
| 16 | 34 |
| 17 | 34 |
| 18 | 35 |
| 19 | 35 |
| 20 | 35 |
| 21 | 36 |
| 22 | 36 |
| 23 | 36 |
| 24 | 36 |
| 25 | 36 |
| 26 | 36 |
| 27 | 36 |
| 28 | 35 |
| 29 | 35 |
| 30 | 34 |
Humidity in April
Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the dry band about 72% 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 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 96 | 96 | 95 | 92 | 91 | 90 | 89 | 87 | 85 | 84 | 81 | 79 | 77 | 76 | 73 | 72 | 70 | 68 | 67 | 65 | 64 | 62 | 60 | 58 | 56 | 54 | 52 | 49 | 46 | 44 |
| Comfortable (%) | 4 | 4 | 5 | 7 | 8 | 9 | 10 | 12 | 14 | 15 | 17 | 19 | 21 | 22 | 24 | 25 | 27 | 28 | 29 | 30 | 31 | 32 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 |
| Humid (%) | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 6 | 7 | 8 | 9 | 10 | 12 | 13 | 15 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 96 | 4 | 0 |
| 2 | 96 | 4 | 0 |
| 3 | 95 | 5 | 0 |
| 4 | 92 | 7 | 1 |
| 5 | 91 | 8 | 1 |
| 6 | 90 | 9 | 1 |
| 7 | 89 | 10 | 1 |
| 8 | 87 | 12 | 1 |
| 9 | 85 | 14 | 1 |
| 10 | 84 | 15 | 1 |
| 11 | 81 | 17 | 2 |
| 12 | 79 | 19 | 2 |
| 13 | 77 | 21 | 2 |
| 14 | 76 | 22 | 2 |
| 15 | 73 | 24 | 3 |
| 16 | 72 | 25 | 3 |
| 17 | 70 | 27 | 3 |
| 18 | 68 | 28 | 4 |
| 19 | 67 | 29 | 4 |
| 20 | 65 | 30 | 5 |
| 21 | 64 | 31 | 5 |
| 22 | 62 | 32 | 6 |
| 23 | 60 | 34 | 6 |
| 24 | 58 | 35 | 7 |
| 25 | 56 | 36 | 8 |
| 26 | 54 | 37 | 9 |
| 27 | 52 | 38 | 10 |
| 28 | 49 | 39 | 12 |
| 29 | 46 | 40 | 13 |
| 30 | 44 | 41 | 15 |
Wind in April
Winds average 7 km/h in April.
Across April, daily wind ranges from about 7 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 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| 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 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
Sunrise & sunset in April
Daylight runs from about 12 h 24 min at the start of April to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 66 minutes over April. Sunrise moves from 6:04 AM to 5:23 AM, and sunset from 6:25 PM to 6:52 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) | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 13.0 | 13.0 | 13.0 | 13.1 | 13.1 | 13.1 | 13.2 | 13.2 | 13.3 | 13.3 | 13.3 | 13.4 | 13.4 | 13.4 | 13.5 |
| Sunrise (AM) | 6:04 | 6:02 | 6:01 | 5:59 | 5:58 | 5:56 | 5:55 | 5:53 | 5:52 | 5:50 | 5:49 | 5:47 | 5:46 | 5:44 | 5:43 | 5:42 | 5:40 | 5:39 | 5:37 | 5:36 | 5:35 | 5:33 | 5:32 | 5:31 | 5:29 | 5:28 | 5:27 | 5:26 | 5:24 | 5:23 |
| Sunset (PM) | 6:25 | 6:26 | 6:27 | 6:28 | 6:29 | 6:30 | 6:31 | 6:32 | 6:32 | 6:33 | 6:34 | 6:35 | 6:36 | 6:37 | 6:38 | 6:39 | 6:40 | 6:41 | 6:42 | 6:42 | 6:43 | 6:44 | 6:45 | 6:46 | 6:47 | 6:48 | 6:49 | 6:50 | 6:51 | 6:52 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.4 | 6:04 | 6:25 |
| 2 | 12.4 | 6:02 | 6:26 |
| 3 | 12.4 | 6:01 | 6:27 |
| 4 | 12.5 | 5:59 | 6:28 |
| 5 | 12.5 | 5:58 | 6:29 |
| 6 | 12.6 | 5:56 | 6:30 |
| 7 | 12.6 | 5:55 | 6:31 |
| 8 | 12.6 | 5:53 | 6:32 |
| 9 | 12.7 | 5:52 | 6:32 |
| 10 | 12.7 | 5:50 | 6:33 |
| 11 | 12.8 | 5:49 | 6:34 |
| 12 | 12.8 | 5:47 | 6:35 |
| 13 | 12.8 | 5:46 | 6:36 |
| 14 | 12.9 | 5:44 | 6:37 |
| 15 | 12.9 | 5:43 | 6:38 |
| 16 | 13.0 | 5:42 | 6:39 |
| 17 | 13.0 | 5:40 | 6:40 |
| 18 | 13.0 | 5:39 | 6:41 |
| 19 | 13.1 | 5:37 | 6:42 |
| 20 | 13.1 | 5:36 | 6:42 |
| 21 | 13.1 | 5:35 | 6:43 |
| 22 | 13.2 | 5:33 | 6:44 |
| 23 | 13.2 | 5:32 | 6:45 |
| 24 | 13.3 | 5:31 | 6:46 |
| 25 | 13.3 | 5:29 | 6:47 |
| 26 | 13.3 | 5:28 | 6:48 |
| 27 | 13.4 | 5:27 | 6:49 |
| 28 | 13.4 | 5:26 | 6:50 |
| 29 | 13.4 | 5:24 | 6:51 |
| 30 | 13.5 | 5:23 | 6:52 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 5.34 kWh/m².
For context, solar energy here swings from a low near 2.1 kWh/m² to a high of 6.42 kWh/m² in June across the year — April's 5.34 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 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.0 | 5.0 | 5.0 | 5.1 | 5.1 | 5.1 | 5.2 | 5.2 | 5.2 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.6 | 5.7 | 5.7 |
| 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 | 5.0 | Bright |
| 2 | 5.0 | Bright |
| 3 | 5.0 | Bright |
| 4 | 5.1 | Bright |
| 5 | 5.1 | Bright |
| 6 | 5.1 | Bright |
| 7 | 5.2 | Bright |
| 8 | 5.2 | Bright |
| 9 | 5.2 | Bright |
| 10 | 5.3 | Bright |
| 11 | 5.3 | Bright |
| 12 | 5.3 | Bright |
| 13 | 5.3 | Bright |
| 14 | 5.3 | Bright |
| 15 | 5.4 | Bright |
| 16 | 5.4 | Bright |
| 17 | 5.4 | Bright |
| 18 | 5.4 | Bright |
| 19 | 5.4 | 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 | 5.6 | Bright |
| 27 | 5.6 | Bright |
| 28 | 5.6 | Bright |
| 29 | 5.7 | Bright |
| 30 | 5.7 | Bright |
Hazard calendar for Lāhījān
None of Lāhījān's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Lāhījān sees seasonal dust haze (May), heaviest in May.
Is April a good time to visit Lāhījān?
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 Lāhījān for sightseeing.
What to pack for Lāhījān in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Lāhījān sees daytime highs around 19°C and nights near 10°C. Worth packing: rain gear and sun protection. About 11 days see rain.
Sea temperature near Lāhījān in April
The nearest coast averages about 13°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 22 km away) is warmest in August at about 28°C and coldest in February near 10°C.
It's comfortable for a long swim from May 24 to Nov 4 — about 5.4 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 12 | 10 | 11 | 13 | 19 | 24 | 27 | 28 | 26 | 23 | 19 | 15 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Warm | Warm | Warm | Warm | Refreshing | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 12 | Bracing |
| Feb | 10 | Bracing |
| Mar | 11 | Bracing |
| Apr | 13 | Bracing |
| May | 19 | Cool |
| Jun | 24 | Warm |
| Jul | 27 | Warm |
| Aug | 28 | Warm |
| Sep | 26 | Warm |
| Oct | 23 | Refreshing |
| Nov | 19 | Cool |
| Dec | 15 | Bracing |
UV index in Lāhījān in April
Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Lāhījān peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 4 | 4 | 6 | 8 | 8 | 9 | 8 | 6 | 5 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 4 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Air quality in Lāhījān 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 Lāhījān is worst in September — around 30 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (July, 15 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) | 18 | 19 | 26 | 21 | 20 | 16 | 15 | 21 | 30 | 28 | 22 | 18 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 19 | Moderate |
| Mar | 26 | Moderate |
| Apr | 21 | Moderate |
| May | 20 | Moderate |
| Jun | 16 | Moderate |
| Jul | 15 | Moderate |
| Aug | 21 | Moderate |
| Sep | 30 | Moderate |
| Oct | 28 | Moderate |
| Nov | 22 | Moderate |
| Dec | 18 | Moderate |
Where is Lāhījān?
Lāhījān sits at 37.2°N, 50.0°E, 4 m above sea level, in Iran. The nearest listed city is Āstāneh-ye Ashrafīyeh, 9.0 km away.
Topography around Lāhījān
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Lāhījān.
Within 3 km, the terrain around Lāhījān has significant variations in elevation — a maximum elevation change of 344 m around an average of 18 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,110 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,710 m.
The land around Lāhījān is covered by artificial surfaces (36%) and trees (34%) within 3 km, cropland (45%) and trees (43%) within 16 km, and water (43%) and trees (23%) within 80 km.
Iran travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type C / F
- 220 V · 50 Hz
- Prices
- ≈ 352% of US
- price level, 2025
- GDP per capita
- $3,924
- 2025
- Happiness
- 5.2 / 10
- World Happiness, 2025
- Safe drinking water
- 94%
- of population, 2024
- Homicide rate
- 2.4
- per 100k, 2014
- Road deaths
- 21.5
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 492
- 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 Lāhījān (37.2042°, 50.0092°, elevation 4 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. 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).