Siyazan weather in May
In May, Siyazan sees average daytime highs of 20°C and overnight lows near 11°C, with 45 mm of precipitation across 10 wet days and about 14.3 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.
Highs climb over the month, from about 17°C in the first days to 22°C by the end. The sky is clear or mostly clear about 30% of the time in May, and the air most often feels dry.
Daylight stretches from about 13 h 42 min at the start of May to 14 h 42 min by month's end. Set against the rest of the year, May is Siyazan's 6th-clearest and 9th-windiest month. For the whole year in context, see Siyazan's year-round climate.
- Daytime high
- 20°
- 5th warmest
- Overnight low
- 11°
- 8th coldest
- Precipitation
- 45 mm
- 10 wet days
- Daylight
- 14 h 18 min
- 5:31 AM – 7:49 PM
- Cloud cover
- 58%
- 6th clearest
- Wind
- 7 km/h
- 9th windiest
- Solar energy
- 5.64 kWh/m²
- Travel score
- 6.3
- out of 10
Siyazan is city in Azerbaijan.
- Density
- 34/km²
- people per km²
- Founded
- 1954
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Highs climb over the month, from about 17°C in the first days to 22°C by the end.
A typical May day in Siyazan reaches about 20°C in the afternoon and slips back to 11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 25°C. Set against its neighbours, May runs about 6°C warmer than April and about 5°C cooler than June.
| 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) | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 |
| Avg low (°C) | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 17 | 8 |
| 2 | 17 | 8 |
| 3 | 17 | 8 |
| 4 | 17 | 9 |
| 5 | 18 | 9 |
| 6 | 18 | 9 |
| 7 | 18 | 9 |
| 8 | 18 | 9 |
| 9 | 19 | 10 |
| 10 | 19 | 10 |
| 11 | 19 | 10 |
| 12 | 19 | 10 |
| 13 | 19 | 10 |
| 14 | 20 | 11 |
| 15 | 20 | 11 |
| 16 | 20 | 11 |
| 17 | 20 | 11 |
| 18 | 20 | 11 |
| 19 | 21 | 11 |
| 20 | 21 | 11 |
| 21 | 21 | 12 |
| 22 | 21 | 12 |
| 23 | 21 | 12 |
| 24 | 22 | 12 |
| 25 | 22 | 12 |
| 26 | 22 | 12 |
| 27 | 22 | 13 |
| 28 | 22 | 13 |
| 29 | 22 | 13 |
| 30 | 23 | 13 |
| 31 | 23 | 13 |
How May really feels in Siyazan
Once humidity and wind are folded in, May 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.
May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Siyazan weather by month
How May compares with the rest of the year at a glance. May is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 4° / -3° | 36 | 8.4 | 7.3 | 9.4 | 0.0 |
| Feb | 5° / -3° | 43 | 9.1 | 8.3 | 10.4 | 0.1 |
| Mar | 9° / 1° | 46 | 9.1 | 5.6 | 11.7 | 1.9 |
| Apr | 14° / 6° | 45 | 9 | 1.3 | 13.1 | 4.2 |
| May | 20° / 11° | 45 | 10 | 0 | 14.3 | 6.3 |
| Jun | 25° / 15° | 34 | 7.1 | 0 | 14.9 | 7.6 |
| Jul | 28° / 18° | 20 | 4.1 | 0 | 14.7 | 7.6 |
| Aug | 28° / 18° | 24 | 5.5 | 0 | 13.6 | 7.3 |
| Sep | 23° / 14° | 47 | 7.7 | 0 | 12.3 | 7.3 |
| Oct | 17° / 9° | 55 | 9.7 | 0.6 | 10.9 | 5.6 |
| Nov | 10° / 3° | 53 | 9.4 | 3.3 | 9.7 | 2.3 |
| Dec | 6° / -1° | 39 | 8.3 | 5.7 | 9.1 | 0.3 |
Cloud cover in May
The sky is clear or mostly clear about 30% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to open up 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 40 | 40 | 40 | 41 | 41 | 41 | 42 | 42 | 43 | 43 | 44 | 45 | 46 | 47 | 47 | 49 | 50 | 51 | 52 | 52 | 54 | 55 | 56 | 57 | 58 | 58 | 59 | 59 | 59 | 61 | 61 |
| Cloudier (%) | 60 | 60 | 60 | 59 | 59 | 59 | 58 | 58 | 57 | 57 | 56 | 55 | 54 | 53 | 53 | 51 | 50 | 49 | 48 | 48 | 46 | 45 | 44 | 43 | 42 | 42 | 41 | 41 | 41 | 39 | 39 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 40 | 60 |
| 2 | 40 | 60 |
| 3 | 40 | 60 |
| 4 | 41 | 59 |
| 5 | 41 | 59 |
| 6 | 41 | 59 |
| 7 | 42 | 58 |
| 8 | 42 | 58 |
| 9 | 43 | 57 |
| 10 | 43 | 57 |
| 11 | 44 | 56 |
| 12 | 45 | 55 |
| 13 | 46 | 54 |
| 14 | 47 | 53 |
| 15 | 47 | 53 |
| 16 | 49 | 51 |
| 17 | 50 | 50 |
| 18 | 51 | 49 |
| 19 | 52 | 48 |
| 20 | 52 | 48 |
| 21 | 54 | 46 |
| 22 | 55 | 45 |
| 23 | 56 | 44 |
| 24 | 57 | 43 |
| 25 | 58 | 42 |
| 26 | 58 | 42 |
| 27 | 59 | 41 |
| 28 | 59 | 41 |
| 29 | 59 | 41 |
| 30 | 61 | 39 |
| 31 | 61 | 39 |
Chance of precipitation in May
Siyazan gets around 45 mm of rain and snow over 10 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 32% and peaks near 35% 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 (%) | 33 | 33 | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 34 | 35 | 35 | 34 | 34 | 34 | 34 | 33 | 33 | 33 | 32 | 32 | 31 | 30 | 30 | 29 | 29 | 28 | 28 | 28 | 27 | 27 |
| Snow chance (%) | 2 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 33 | 2 |
| 2 | 33 | 1 |
| 3 | 33 | 1 |
| 4 | 33 | 1 |
| 5 | 33 | 1 |
| 6 | 33 | 1 |
| 7 | 34 | 0 |
| 8 | 34 | 0 |
| 9 | 34 | 0 |
| 10 | 34 | 0 |
| 11 | 35 | 0 |
| 12 | 35 | 0 |
| 13 | 34 | 0 |
| 14 | 34 | 0 |
| 15 | 34 | 0 |
| 16 | 34 | 0 |
| 17 | 33 | 0 |
| 18 | 33 | 0 |
| 19 | 33 | 0 |
| 20 | 32 | 0 |
| 21 | 32 | 0 |
| 22 | 31 | 0 |
| 23 | 30 | 0 |
| 24 | 30 | 0 |
| 25 | 29 | 0 |
| 26 | 29 | 0 |
| 27 | 28 | 0 |
| 28 | 28 | 0 |
| 29 | 28 | 0 |
| 30 | 27 | 0 |
| 31 | 27 | 0 |
Humidity in May
Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the dry band about 90% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 99 | 99 | 99 | 99 | 99 | 98 | 98 | 97 | 97 | 97 | 96 | 96 | 95 | 95 | 94 | 93 | 92 | 92 | 90 | 89 | 87 | 86 | 84 | 83 | 82 | 80 | 78 | 76 | 75 | 73 | 72 |
| Comfortable (%) | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 7 | 8 | 8 | 10 | 11 | 12 | 13 | 15 | 16 | 17 | 19 | 20 | 22 | 23 | 25 | 26 |
| Humid (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 99 | 1 | 0 |
| 2 | 99 | 1 | 0 |
| 3 | 99 | 1 | 0 |
| 4 | 99 | 1 | 0 |
| 5 | 99 | 1 | 0 |
| 6 | 98 | 2 | 0 |
| 7 | 98 | 2 | 0 |
| 8 | 97 | 3 | 0 |
| 9 | 97 | 3 | 0 |
| 10 | 97 | 3 | 0 |
| 11 | 96 | 4 | 0 |
| 12 | 96 | 4 | 0 |
| 13 | 95 | 5 | 0 |
| 14 | 95 | 5 | 0 |
| 15 | 94 | 6 | 0 |
| 16 | 93 | 7 | 0 |
| 17 | 92 | 8 | 0 |
| 18 | 92 | 8 | 0 |
| 19 | 90 | 10 | 0 |
| 20 | 89 | 11 | 0 |
| 21 | 87 | 12 | 1 |
| 22 | 86 | 13 | 1 |
| 23 | 84 | 15 | 1 |
| 24 | 83 | 16 | 1 |
| 25 | 82 | 17 | 1 |
| 26 | 80 | 19 | 1 |
| 27 | 78 | 20 | 2 |
| 28 | 76 | 22 | 2 |
| 29 | 75 | 23 | 2 |
| 30 | 73 | 25 | 2 |
| 31 | 72 | 26 | 2 |
Wind in May
Winds average 7 km/h in May.
Across May, 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 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 | 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 |
| 31 | 7 | calm |
Sunrise & sunset in May
Daylight runs from about 13 h 42 min at the start of May to 14 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 60 minutes over May. Sunrise moves from 5:49 AM to 5:20 AM, and sunset from 7:33 PM to 8:02 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) | 13.7 | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 14.0 | 14.0 | 14.0 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.3 | 14.3 | 14.3 | 14.4 | 14.4 | 14.4 | 14.4 | 14.5 | 14.5 | 14.5 | 14.6 | 14.6 | 14.6 | 14.6 | 14.7 | 14.7 | 14.7 |
| Sunrise (AM) | 5:49 | 5:47 | 5:46 | 5:45 | 5:43 | 5:42 | 5:41 | 5:40 | 5:39 | 5:37 | 5:36 | 5:35 | 5:34 | 5:33 | 5:32 | 5:31 | 5:30 | 5:29 | 5:28 | 5:27 | 5:27 | 5:26 | 5:25 | 5:24 | 5:23 | 5:23 | 5:22 | 5:21 | 5:21 | 5:20 | 5:20 |
| Sunset (PM) | 7:33 | 7:34 | 7:35 | 7:36 | 7:37 | 7:38 | 7:39 | 7:40 | 7:41 | 7:42 | 7:43 | 7:44 | 7:45 | 7:47 | 7:48 | 7:49 | 7:50 | 7:50 | 7:51 | 7:52 | 7:53 | 7:54 | 7:55 | 7:56 | 7:57 | 7:58 | 7:59 | 8:00 | 8:01 | 8:01 | 8:02 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.7 | 5:49 | 7:33 |
| 2 | 13.8 | 5:47 | 7:34 |
| 3 | 13.8 | 5:46 | 7:35 |
| 4 | 13.9 | 5:45 | 7:36 |
| 5 | 13.9 | 5:43 | 7:37 |
| 6 | 13.9 | 5:42 | 7:38 |
| 7 | 14.0 | 5:41 | 7:39 |
| 8 | 14.0 | 5:40 | 7:40 |
| 9 | 14.0 | 5:39 | 7:41 |
| 10 | 14.1 | 5:37 | 7:42 |
| 11 | 14.1 | 5:36 | 7:43 |
| 12 | 14.2 | 5:35 | 7:44 |
| 13 | 14.2 | 5:34 | 7:45 |
| 14 | 14.2 | 5:33 | 7:47 |
| 15 | 14.3 | 5:32 | 7:48 |
| 16 | 14.3 | 5:31 | 7:49 |
| 17 | 14.3 | 5:30 | 7:50 |
| 18 | 14.4 | 5:29 | 7:50 |
| 19 | 14.4 | 5:28 | 7:51 |
| 20 | 14.4 | 5:27 | 7:52 |
| 21 | 14.4 | 5:27 | 7:53 |
| 22 | 14.5 | 5:26 | 7:54 |
| 23 | 14.5 | 5:25 | 7:55 |
| 24 | 14.5 | 5:24 | 7:56 |
| 25 | 14.6 | 5:23 | 7:57 |
| 26 | 14.6 | 5:23 | 7:58 |
| 27 | 14.6 | 5:22 | 7:59 |
| 28 | 14.6 | 5:21 | 8:00 |
| 29 | 14.7 | 5:21 | 8:01 |
| 30 | 14.7 | 5:20 | 8:01 |
| 31 | 14.7 | 5:20 | 8:02 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 5.64 kWh/m².
For context, solar energy here swings from a low near 1.66 kWh/m² to a high of 6.43 kWh/m² in July across the year — May's 5.64 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) | 5.2 | 5.2 | 5.2 | 5.2 | 5.3 | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 |
| 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 | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.2 | Bright |
| 2 | 5.2 | Bright |
| 3 | 5.2 | Bright |
| 4 | 5.2 | Bright |
| 5 | 5.3 | Bright |
| 6 | 5.3 | Bright |
| 7 | 5.3 | Bright |
| 8 | 5.3 | Bright |
| 9 | 5.4 | Bright |
| 10 | 5.4 | Bright |
| 11 | 5.4 | Bright |
| 12 | 5.5 | Bright |
| 13 | 5.5 | Bright |
| 14 | 5.5 | Bright |
| 15 | 5.5 | Bright |
| 16 | 5.6 | Bright |
| 17 | 5.6 | Bright |
| 18 | 5.7 | Bright |
| 19 | 5.7 | Bright |
| 20 | 5.8 | Bright |
| 21 | 5.8 | Bright |
| 22 | 5.8 | Bright |
| 23 | 5.9 | Bright |
| 24 | 5.9 | Bright |
| 25 | 5.9 | Bright |
| 26 | 6.0 | Bright |
| 27 | 6.0 | Intense |
| 28 | 6.0 | Intense |
| 29 | 6.0 | Intense |
| 30 | 6.1 | Intense |
| 31 | 6.1 | Intense |
Is May a good time to visit Siyazan?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit Siyazan for sightseeing.
What to pack for Siyazan in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Siyazan sees daytime highs around 20°C and nights near 11°C. Worth packing: rain gear and sun protection. About 10 days see rain.
Sea temperature near Siyazan in May
The nearest coast averages about 14°C in May — 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 26°C and coldest in February near 7°C.
It's comfortable for a long swim from Jun 15 to Oct 6 — about 3.7 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 8 | 7 | 7 | 9 | 14 | 20 | 24 | 26 | 23 | 19 | 14 | 10 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Refreshing | Warm | Warm | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 8 | Bracing |
| Feb | 7 | Bracing |
| Mar | 7 | Bracing |
| Apr | 9 | Bracing |
| May | 14 | Bracing |
| Jun | 20 | Refreshing |
| Jul | 24 | Warm |
| Aug | 26 | Warm |
| Sep | 23 | Refreshing |
| Oct | 19 | Cool |
| Nov | 14 | Bracing |
| Dec | 10 | Bracing |
UV index in Siyazan in May
Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Siyazan peaks around July 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 3 | 5 | 7 | 8 | 9 | 8 | 5 | 4 | 2 | 2 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | Very high | Moderate | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 3 | Moderate |
| Apr | 5 | High |
| May | 7 | High |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 5 | Moderate |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Siyazan in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Siyazan is worst in September — around 20 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (December, 7 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) | 9 | 11 | 17 | 16 | 16 | 13 | 15 | 18 | 20 | 14 | 10 | 7 |
| Level | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 11 | Good |
| Mar | 17 | Moderate |
| Apr | 16 | Moderate |
| May | 16 | Moderate |
| Jun | 13 | Moderate |
| Jul | 15 | Moderate |
| Aug | 18 | Moderate |
| Sep | 20 | Moderate |
| Oct | 14 | Moderate |
| Nov | 10 | Good |
| Dec | 7 | Good |
Where is Siyazan?
Siyazan sits at 41.1°N, 49.1°E, 34 m above sea level, in Azerbaijan. The nearest listed city is Divichibazar, 17 km away.
Topography around Siyazan
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Siyazan.
Within 3 km, the terrain around Siyazan has only modest variations in elevation — a maximum elevation change of 248 m around an average of 49 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,101 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,652 m.
The land around Siyazan is covered by grassland (42%), cropland (28%) and artificial surfaces (20%) within 3 km, grassland (48%) and water (27%) within 16 km, and water (42%) and grassland (31%) within 80 km.
Azerbaijan travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type C / F
- 220 V · 50 Hz
- Prices
- ≈ 28% of US
- price level, 2025
- GDP per capita
- $7,411
- 2025
- Happiness
- 5.0 / 10
- World Happiness, 2025
- Safe drinking water
- 58%
- of population, 2024
- Homicide rate
- 2.2
- per 100k, 2023
- Road deaths
- 6.7
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 454
- 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 Siyazan (41.0781°, 49.1156°, elevation 34 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).