Sīāhkal weather in October
In October, Sīāhkal sees average daytime highs of 22°C and overnight lows near 14°C, with 188 mm of rain across 14.6 wet days and about 11 hours of daylight. It is the 6th-warmest and 1st-wettest month of the year here.
Highs ease over the month, from about 24°C in the first days to 20°C by the end. The sky is clear or mostly clear about 30% of the time in October, and the air most often feels humid.
Daylight stretches from about 11 h 36 min at the start of October to 10 h 30 min by month's end. Set against the rest of the year, October is Sīāhkal's 10th-clearest and 12th-windiest month. For the whole year in context, see Sīāhkal's year-round climate.
- Daytime high
- 22°
- 6th warmest
- Overnight low
- 14°
- 7th coldest
- Rainfall
- 188 mm
- 14.6 wet days
- Daylight
- 11 hours
- 6:25 AM – 5:26 PM
- Cloud cover
- 62%
- 10th clearest
- Wind
- 6 km/h
- 12th windiest
- Solar energy
- 3.18 kWh/m²
- Travel score
- 6.0
- out of 10
Sīāhkal is city in Gilan Province, Iran.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in October
Highs ease over the month, from about 24°C in the first days to 20°C by the end.
A typical October day in Sīāhkal reaches about 22°C in the afternoon and slips back to 14°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 26°C. Set against its neighbours, October runs about 4°C cooler than September and about 5°C warmer than November.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 |
| Avg low (°C) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 24 | 16 |
| 2 | 24 | 16 |
| 3 | 24 | 16 |
| 4 | 24 | 16 |
| 5 | 24 | 16 |
| 6 | 24 | 16 |
| 7 | 23 | 16 |
| 8 | 23 | 15 |
| 9 | 23 | 15 |
| 10 | 23 | 15 |
| 11 | 23 | 15 |
| 12 | 23 | 15 |
| 13 | 23 | 15 |
| 14 | 23 | 15 |
| 15 | 23 | 15 |
| 16 | 23 | 14 |
| 17 | 22 | 14 |
| 18 | 22 | 14 |
| 19 | 22 | 14 |
| 20 | 22 | 14 |
| 21 | 22 | 14 |
| 22 | 22 | 14 |
| 23 | 21 | 14 |
| 24 | 21 | 13 |
| 25 | 21 | 13 |
| 26 | 21 | 13 |
| 27 | 21 | 13 |
| 28 | 21 | 13 |
| 29 | 20 | 13 |
| 30 | 20 | 13 |
| 31 | 20 | 12 |
How October really feels in Sīāhkal
Once humidity and wind are folded in, October 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.
October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Sīāhkal weather by month
How October compares with the rest of the year at a glance. October is the 6th-warmest and 1st-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° / 3° | 116 | 11.2 | 1.6 | 9.7 | 3.0 |
| Feb | 12° / 4° | 117 | 11.6 | 2.2 | 10.6 | 3.0 |
| Mar | 15° / 7° | 109 | 13.1 | 0.4 | 11.7 | 4.3 |
| Apr | 19° / 11° | 77 | 10.6 | 0 | 12.9 | 5.9 |
| May | 24° / 15° | 47 | 8.5 | 0 | 14 | 7.0 |
| Jun | 28° / 19° | 66 | 7.7 | 0 | 14.5 | 6.7 |
| Jul | 30° / 22° | 76 | 8.7 | 0 | 14.3 | 5.4 |
| Aug | 30° / 22° | 96 | 10.6 | 0 | 13.4 | 5.2 |
| Sep | 26° / 19° | 169 | 13.8 | 0 | 12.3 | 6.0 |
| Oct | 22° / 14° | 188 | 14.6 | 0 | 11 | 6.0 |
| Nov | 17° / 10° | 178 | 13.2 | 0.3 | 10 | 5.0 |
| Dec | 14° / 6° | 125 | 11.3 | 0.6 | 9.5 | 3.8 |
Cloud cover in October
The sky is clear or mostly clear about 30% of the time in October.
Beyond those clear spells, partly cloudy skies cover about 12% of October, 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 42 | 41 | 41 | 41 | 40 | 41 | 42 | 41 | 41 | 42 | 42 | 43 | 43 | 44 | 44 | 45 | 44 | 44 | 44 | 44 | 44 | 44 | 42 | 42 | 41 | 41 | 41 | 40 | 39 | 39 | 39 |
| Cloudier (%) | 58 | 59 | 59 | 59 | 60 | 59 | 58 | 59 | 59 | 58 | 58 | 57 | 57 | 56 | 56 | 55 | 56 | 56 | 56 | 56 | 56 | 56 | 58 | 58 | 59 | 59 | 59 | 60 | 61 | 61 | 61 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 42 | 58 |
| 2 | 41 | 59 |
| 3 | 41 | 59 |
| 4 | 41 | 59 |
| 5 | 40 | 60 |
| 6 | 41 | 59 |
| 7 | 42 | 58 |
| 8 | 41 | 59 |
| 9 | 41 | 59 |
| 10 | 42 | 58 |
| 11 | 42 | 58 |
| 12 | 43 | 57 |
| 13 | 43 | 57 |
| 14 | 44 | 56 |
| 15 | 44 | 56 |
| 16 | 45 | 55 |
| 17 | 44 | 56 |
| 18 | 44 | 56 |
| 19 | 44 | 56 |
| 20 | 44 | 56 |
| 21 | 44 | 56 |
| 22 | 44 | 56 |
| 23 | 42 | 58 |
| 24 | 42 | 58 |
| 25 | 41 | 59 |
| 26 | 41 | 59 |
| 27 | 41 | 59 |
| 28 | 40 | 60 |
| 29 | 39 | 61 |
| 30 | 39 | 61 |
| 31 | 39 | 61 |
Chance of precipitation in October
Sīāhkal gets around 188 mm of rain over 14.6 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 47% and peaks near 50% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 50 | 50 | 49 | 49 | 49 | 48 | 48 | 47 | 47 | 46 | 45 | 45 | 45 | 44 | 44 | 44 | 44 | 44 | 45 | 45 | 45 | 46 | 46 | 47 | 47 | 47 | 48 | 48 | 48 | 48 | 47 |
| Rain chance (%) | |
|---|---|
| 1 | 50 |
| 2 | 50 |
| 3 | 49 |
| 4 | 49 |
| 5 | 49 |
| 6 | 48 |
| 7 | 48 |
| 8 | 47 |
| 9 | 47 |
| 10 | 46 |
| 11 | 45 |
| 12 | 45 |
| 13 | 45 |
| 14 | 44 |
| 15 | 44 |
| 16 | 44 |
| 17 | 44 |
| 18 | 44 |
| 19 | 45 |
| 20 | 45 |
| 21 | 45 |
| 22 | 46 |
| 23 | 46 |
| 24 | 47 |
| 25 | 47 |
| 26 | 47 |
| 27 | 48 |
| 28 | 48 |
| 29 | 48 |
| 30 | 48 |
| 31 | 47 |
Humidity in October
Most of October feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, October lands in the humid band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 15% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 3 | 3 | 4 | 5 | 5 | 6 | 7 | 7 | 8 | 9 | 9 | 10 | 11 | 12 | 12 | 13 | 14 | 14 | 15 | 16 | 18 | 19 | 21 | 22 | 24 | 26 | 28 | 30 | 33 | 36 | 38 |
| Comfortable (%) | 17 | 18 | 19 | 20 | 22 | 23 | 24 | 25 | 27 | 28 | 29 | 31 | 32 | 33 | 35 | 36 | 37 | 39 | 40 | 41 | 42 | 43 | 43 | 44 | 44 | 44 | 43 | 43 | 42 | 42 | 41 |
| Humid (%) | 43 | 44 | 45 | 45 | 45 | 45 | 45 | 45 | 44 | 43 | 42 | 41 | 40 | 39 | 38 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 22 | 20 |
| Muggy (%) | 34 | 31 | 29 | 27 | 25 | 24 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 14 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 2 | 1 | 1 | 1 |
| Oppressive (%) | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 3 | 17 | 43 | 34 | 4 |
| 2 | 3 | 18 | 44 | 31 | 3 |
| 3 | 4 | 19 | 45 | 29 | 3 |
| 4 | 5 | 20 | 45 | 27 | 3 |
| 5 | 5 | 22 | 45 | 25 | 2 |
| 6 | 6 | 23 | 45 | 24 | 2 |
| 7 | 7 | 24 | 45 | 22 | 2 |
| 8 | 7 | 25 | 45 | 21 | 2 |
| 9 | 8 | 27 | 44 | 20 | 2 |
| 10 | 9 | 28 | 43 | 19 | 1 |
| 11 | 9 | 29 | 42 | 18 | 1 |
| 12 | 10 | 31 | 41 | 17 | 1 |
| 13 | 11 | 32 | 40 | 16 | 1 |
| 14 | 12 | 33 | 39 | 15 | 0 |
| 15 | 12 | 35 | 38 | 14 | 0 |
| 16 | 13 | 36 | 37 | 14 | 0 |
| 17 | 14 | 37 | 36 | 12 | 0 |
| 18 | 14 | 39 | 35 | 11 | 0 |
| 19 | 15 | 40 | 34 | 10 | 0 |
| 20 | 16 | 41 | 33 | 9 | 0 |
| 21 | 18 | 42 | 32 | 8 | 0 |
| 22 | 19 | 43 | 31 | 7 | 0 |
| 23 | 21 | 43 | 30 | 6 | 0 |
| 24 | 22 | 44 | 29 | 5 | 0 |
| 25 | 24 | 44 | 28 | 4 | 0 |
| 26 | 26 | 44 | 27 | 3 | 0 |
| 27 | 28 | 43 | 26 | 2 | 0 |
| 28 | 30 | 43 | 25 | 2 | 0 |
| 29 | 33 | 42 | 24 | 1 | 0 |
| 30 | 36 | 42 | 22 | 1 | 0 |
| 31 | 38 | 41 | 20 | 1 | 0 |
Wind in October
Winds average 6 km/h in October, the calmest month.
Across October, 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 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 | 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 | 6 | calm |
| 9 | 6 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 6 | calm |
| 17 | 6 | calm |
| 18 | 6 | calm |
| 19 | 6 | calm |
| 20 | 6 | calm |
| 21 | 6 | 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 |
| 31 | 6 | calm |
Sunrise & sunset in October
Daylight runs from about 11 h 36 min at the start of October to 10 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 66 minutes over October. Sunrise moves from 6:11 AM to 6:40 AM, and sunset from 5:48 PM to 5:08 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.6 | 11.6 | 11.5 | 11.5 | 11.5 | 11.4 | 11.4 | 11.3 | 11.3 | 11.3 | 11.2 | 11.2 | 11.1 | 11.1 | 11.1 | 11.0 | 11.0 | 11.0 | 10.9 | 10.9 | 10.8 | 10.8 | 10.8 | 10.7 | 10.7 | 10.7 | 10.6 | 10.6 | 10.5 | 10.5 | 10.5 |
| Sunrise (AM) | 6:11 | 6:12 | 6:13 | 6:13 | 6:14 | 6:15 | 6:16 | 6:17 | 6:18 | 6:19 | 6:20 | 6:21 | 6:22 | 6:23 | 6:24 | 6:25 | 6:26 | 6:27 | 6:28 | 6:29 | 6:30 | 6:31 | 6:32 | 6:33 | 6:34 | 6:35 | 6:36 | 6:37 | 6:38 | 6:39 | 6:40 |
| Sunset (PM) | 5:48 | 5:47 | 5:45 | 5:44 | 5:42 | 5:41 | 5:39 | 5:38 | 5:36 | 5:35 | 5:33 | 5:32 | 5:31 | 5:29 | 5:28 | 5:26 | 5:25 | 5:24 | 5:22 | 5:21 | 5:20 | 5:19 | 5:17 | 5:16 | 5:15 | 5:14 | 5:13 | 5:12 | 5:10 | 5:09 | 5:08 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.6 | 6:11 | 5:48 |
| 2 | 11.6 | 6:12 | 5:47 |
| 3 | 11.5 | 6:13 | 5:45 |
| 4 | 11.5 | 6:13 | 5:44 |
| 5 | 11.5 | 6:14 | 5:42 |
| 6 | 11.4 | 6:15 | 5:41 |
| 7 | 11.4 | 6:16 | 5:39 |
| 8 | 11.3 | 6:17 | 5:38 |
| 9 | 11.3 | 6:18 | 5:36 |
| 10 | 11.3 | 6:19 | 5:35 |
| 11 | 11.2 | 6:20 | 5:33 |
| 12 | 11.2 | 6:21 | 5:32 |
| 13 | 11.1 | 6:22 | 5:31 |
| 14 | 11.1 | 6:23 | 5:29 |
| 15 | 11.1 | 6:24 | 5:28 |
| 16 | 11.0 | 6:25 | 5:26 |
| 17 | 11.0 | 6:26 | 5:25 |
| 18 | 11.0 | 6:27 | 5:24 |
| 19 | 10.9 | 6:28 | 5:22 |
| 20 | 10.9 | 6:29 | 5:21 |
| 21 | 10.8 | 6:30 | 5:20 |
| 22 | 10.8 | 6:31 | 5:19 |
| 23 | 10.8 | 6:32 | 5:17 |
| 24 | 10.7 | 6:33 | 5:16 |
| 25 | 10.7 | 6:34 | 5:15 |
| 26 | 10.7 | 6:35 | 5:14 |
| 27 | 10.6 | 6:36 | 5:13 |
| 28 | 10.6 | 6:37 | 5:12 |
| 29 | 10.5 | 6:38 | 5:10 |
| 30 | 10.5 | 6:39 | 5:09 |
| 31 | 10.5 | 6:40 | 5:08 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 3.18 kWh/m².
For context, solar energy here swings from a low near 2.07 kWh/m² to a high of 6.29 kWh/m² in June across the year — October's 3.18 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 3.6 | 3.6 | 3.5 | 3.5 | 3.5 | 3.5 | 3.4 | 3.4 | 3.4 | 3.4 | 3.3 | 3.3 | 3.3 | 3.3 | 3.2 | 3.2 | 3.2 | 3.1 | 3.1 | 3.1 | 3.0 | 3.0 | 3.0 | 2.9 | 2.9 | 2.8 | 2.8 | 2.8 | 2.7 | 2.7 | 2.7 |
| 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 | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.6 | Moderate |
| 2 | 3.6 | Moderate |
| 3 | 3.5 | Moderate |
| 4 | 3.5 | Moderate |
| 5 | 3.5 | Moderate |
| 6 | 3.5 | Moderate |
| 7 | 3.4 | Moderate |
| 8 | 3.4 | Moderate |
| 9 | 3.4 | Moderate |
| 10 | 3.4 | Moderate |
| 11 | 3.3 | Moderate |
| 12 | 3.3 | Moderate |
| 13 | 3.3 | Moderate |
| 14 | 3.3 | Moderate |
| 15 | 3.2 | Moderate |
| 16 | 3.2 | Moderate |
| 17 | 3.2 | Moderate |
| 18 | 3.1 | Moderate |
| 19 | 3.1 | Moderate |
| 20 | 3.1 | Moderate |
| 21 | 3.0 | Moderate |
| 22 | 3.0 | Moderate |
| 23 | 3.0 | Moderate |
| 24 | 2.9 | Moderate |
| 25 | 2.9 | Moderate |
| 26 | 2.8 | Moderate |
| 27 | 2.8 | Moderate |
| 28 | 2.8 | Moderate |
| 29 | 2.7 | Moderate |
| 30 | 2.7 | Moderate |
| 31 | 2.7 | Moderate |
Is October a good time to visit Sīāhkal?
Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
October is a reasonable time to visit Sīāhkal for sightseeing.
What to pack for Sīāhkal in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Sīāhkal sees daytime highs around 22°C and nights near 14°C. Pack rain gear. Worth having: light clothes. About 15 days see rain.
Sea temperature near Sīāhkal in October
The nearest coast averages about 23°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 33 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 Sīāhkal in October
Clear-sky midday UV in October peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Sīāhkal 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 Sīāhkal in October
Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.
Air quality in Sīāhkal is worst in March — around 27 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 14 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) | 21 | 21 | 27 | 23 | 21 | 17 | 14 | 20 | 25 | 23 | 21 | 20 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 21 | Moderate |
| Feb | 21 | Moderate |
| Mar | 27 | Moderate |
| Apr | 23 | Moderate |
| May | 21 | Moderate |
| Jun | 17 | Moderate |
| Jul | 14 | Moderate |
| Aug | 20 | Moderate |
| Sep | 25 | Moderate |
| Oct | 23 | Moderate |
| Nov | 21 | Moderate |
| Dec | 20 | Moderate |
Where is Sīāhkal?
Sīāhkal sits at 37.2°N, 49.9°E, 47 m above sea level, in Iran. The nearest listed city is Lāhījān, 13 km away.
Topography around Sīāhkal
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sīāhkal.
Within 3 km, the terrain around Sīāhkal has only modest variations in elevation — a maximum elevation change of 148 m around an average of 44 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,255 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,710 m.
The land around Sīāhkal is covered by trees (40%) and cropland (39%) within 3 km, trees (56%) and cropland (34%) within 16 km, and water (35%), trees (25%) and grassland (25%) 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 Sīāhkal (37.1533°, 49.8714°, elevation 47 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).