Sumqayit climate — normals and trends
Sumqayit (Azerbaijan) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 14.7 °C and it receives 255 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is August (25.6 °C on average) and the coldest is February (5.2 °C). Rainfall peaks in November.
Sumqayit averages 4 frost days, 10 hot days (≥ 30 °C) and 58 rainy days per year.
Sumqayit has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 7 to 1 per year over the period.
The hottest day of the period reached 35.0 °C (on 8 August 2021) and the coldest -5.9 °C (on 23 January 1972).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
SumqayitSumqayit
- coords
- 40.59°, 49.67°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.7°C
Average daily high
16.4°C
Average daily low
13.2°C
Annual rainfall
255mm
Sunshine / day
9.6h
Mean relative humidity
77%
Average peak wind
30.9km/h
Seasonal range
20.4°C
Frost days (< 0 °C)
4 d/yr
Hot days (≥ 30 °C)
10 d/yr
Rainy days (≥ 1 mm)
58 d/yr
Annual snowfall
12.6 cm
Average feels-like high
14.7 °C
Average feels-like low
10.0 °C
Average peak gust
43.6 km/h
Tropical nights (≥ 20 °C)
93 d/yr
Solar radiation
15.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.44 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
35.0 °C
8 August 2021
Coldest day
-5.9 °C
23 January 1972
Wettest day
54 mm
16 April 2025
Windiest day
76.5 km/h
14 January 1971
Strongest gust
109.1 km/h
14 January 1971
Hottest feels-like
39.6 °C
3 August 2011
Coldest feels-like
-16.8 °C
23 January 1972
Snowiest day
13.9 cm
5 February 2010
Sunniest day
14.0 h
26 June 2025
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 8.8 °C | +1.9 °C | 6 mm | -19 mm |
| Feb | 5.6 °C | -1.1 °C | 33 mm | +9 mm |
| Mar | 11.2 °C | +2.6 °C | 12 mm | -13 mm |
| Apr | 14.9 °C | +1.8 °C | 85 mm | +61 mm |
| May | 20.0 °C | +1.2 °C | 6 mm | -10 mm |
| Jun | 24.2 °C | +0.2 °C | 2 mm | -5 mm |
| Jul | 28.2 °C | +1.2 °C | 3 mm | -2 mm |
| Aug | 28.7 °C | +1.2 °C | 1 mm | -5 mm |
| Sep | 23.0 °C | -0.6 °C | 33 mm | +14 mm |
| Oct | 20.1 °C | +1.7 °C | 16 mm | -17 mm |
| Nov | 16.4 °C | +3.2 °C | 17 mm | -19 mm |
| Dec | 10.7 °C | +1.6 °C | 56 mm | +22 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Sumqayit?
Sumqayit has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 14.7 °C and it receives 255 mm of precipitation per year.
What is the hottest day ever recorded in Sumqayit?
The hottest day measured in Sumqayit between 1940 and 2025 was 8 August 2021, reaching 35.0 °C.
What is the coldest day in Sumqayit?
The coldest day measured in Sumqayit between 1940 and 2025 was 23 January 1972, at -5.9 °C.
Does it snow in Sumqayit?
Yes. Sumqayit gets on average 12.6 cm of snow per year and has around 4 frost days.
Has the climate of Sumqayit warmed?
Yes: Sumqayit warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sumqayit?
The wettest day measured in Sumqayit between 1940 and 2025 was 16 April 2025, with 54 mm of rain in 24 hours.
What was the windiest day in Sumqayit?
The windiest day measured in Sumqayit between 1940 and 2025 was 14 January 1971, with winds reaching 76.5 km/h.
What is the warmest month in Sumqayit?
The warmest month in Sumqayit is August (25.6 °C on average); the coldest is February (5.2 °C).
How much does it rain in Sumqayit?
Sumqayit receives on average 255 mm of precipitation per year, spread over about 58 rainy days.
Is it sunny in Sumqayit?
Sumqayit gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sumqayit?
The heaviest 24-hour snowfall measured in Sumqayit between 1940 and 2025 was 5 February 2010, with 13.9 cm.
Are there tropical nights in Sumqayit?
Yes: Sumqayit has on average 93 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sumqayit?
In Sumqayit, between 1940 and 2025, the highest apparent temperature reached 39.6 °C on 3 August 2011, and the lowest was -16.8 °C on 23 January 1972.
Compare Sumqayit with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sumqayit