Siyazan in Summer
In summer (June, July and August), Siyazan sees average daytime highs around 27°C and overnight lows near 17°C, with 78 mm of rain over about 17 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 23°C in early June to 26°C by late August. The sky is clear or mostly clear about 60% of the time across summer, and the air most often feels comfortable.
Summer is Siyazan's best season of the year to visit on our travel score. For the whole year in context, see Siyazan's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 17°C
- Rainfall
- 78 mm
- 17 wet days
- Avg wind
- 8 km/h
- Travel score
- 7.5
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Siyazan in Summer
Over the season highs climb from about 23°C in early June to 26°C by late August.
A typical summer day in Siyazan reaches about 27°C and drops to 17°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Siyazan
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer 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 the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| 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 Summer
The sky is clear or mostly clear about 60% of the time across summer.
Chance of precipitation in Summer
Siyazan gets around 78 mm of rain over 17 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 8 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 42 min in early June to 13 hours by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.1 kWh/m².
Is summer a good time to visit Siyazan?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is one of the better times to visit Siyazan for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Siyazan in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Siyazan sees daytime highs around 27°C and nights near 17°C. Pack light clothes and sun protection. About 17 days see rain.
Sea temperature near Siyazan in Summer
The nearest coast averages about 23°C across summer — 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 Summer
Clear-sky midday UV across summer averages 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 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 Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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.