Shiraz climate — normals and trends
Shiraz (Iran) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 15.9 °C and it receives 369 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 July (28.0 °C on average) and the coldest is January (3.0 °C). Rainfall peaks in January.
Shiraz averages 48 frost days, 115 hot days (≥ 30 °C) and 40 rainy days per year.
Shiraz has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 55 to 41 per year over the period.
The hottest day of the period reached 40.6 °C (on 28 July 2024) and the coldest -18.0 °C (on 28 January 1983).
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
ShirazFars
- coords
- 29.61°, 52.53°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.9°C
Average daily high
22.3°C
Average daily low
10.0°C
Annual rainfall
369mm
Sunshine / day
11.1h
Mean relative humidity
41%
Average peak wind
11.5km/h
Seasonal range
25.0°C
Frost days (< 0 °C)
48 d/yr
Hot days (≥ 30 °C)
115 d/yr
Rainy days (≥ 1 mm)
40 d/yr
Annual snowfall
33.6 cm
Average feels-like high
20.2 °C
Average feels-like low
7.0 °C
Average peak gust
36.1 km/h
Tropical nights (≥ 20 °C)
51 d/yr
Solar radiation
21.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.35 · 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
40.6 °C
28 July 2024
Coldest day
-18.0 °C
28 January 1983
Wettest day
117 mm
2 December 1986
Windiest day
29.1 km/h
23 March 1941
Strongest gust
97.9 km/h
25 February 1980
Hottest feels-like
40.5 °C
11 July 1998
Coldest feels-like
-22.6 °C
28 January 1983
Snowiest day
35.4 cm
11 January 1996
Sunniest day
13.0 h
23 April 1940
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 | 11.0 °C | +2.3 °C | 25 mm | -64 mm |
| Feb | 10.7 °C | -0.3 °C | 96 mm | +31 mm |
| Mar | 15.7 °C | +0.7 °C | 95 mm | +30 mm |
| Apr | 26.0 °C | +5.6 °C | 9 mm | -24 mm |
| May | 32.4 °C | +5.1 °C | 0 mm | -10 mm |
| Jun | 35.3 °C | +2.2 °C | 0 mm | -0 mm |
| Jul | 36.4 °C | +1.7 °C | 5 mm | +3 mm |
| Aug | 35.8 °C | +2.2 °C | 0 mm | -1 mm |
| Sep | 33.2 °C | +2.8 °C | 0 mm | -0 mm |
| Oct | 27.2 °C | +2.7 °C | 0 mm | -4 mm |
| Nov | 20.4 °C | +3.3 °C | 0 mm | -30 mm |
| Dec | 11.8 °C | +0.3 °C | 133 mm | +63 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 Shiraz?
Shiraz has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 15.9 °C and it receives 369 mm of precipitation per year.
What is the hottest day ever recorded in Shiraz?
The hottest day measured in Shiraz between 1940 and 2025 was 28 July 2024, reaching 40.6 °C.
What is the coldest day in Shiraz?
The coldest day measured in Shiraz between 1940 and 2025 was 28 January 1983, at -18.0 °C.
Does it snow in Shiraz?
Yes. Shiraz gets on average 33.6 cm of snow per year and has around 48 frost days.
Has the climate of Shiraz warmed?
Yes: Shiraz warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Shiraz?
The wettest day measured in Shiraz between 1940 and 2025 was 2 December 1986, with 117 mm of rain in 24 hours.
What was the windiest day in Shiraz?
The windiest day measured in Shiraz between 1940 and 2025 was 23 March 1941, with winds reaching 29.1 km/h.
What is the warmest month in Shiraz?
The warmest month in Shiraz is July (28.0 °C on average); the coldest is January (3.0 °C).
How much does it rain in Shiraz?
Shiraz receives on average 369 mm of precipitation per year, spread over about 40 rainy days.
Is it sunny in Shiraz?
Shiraz gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.
What is the biggest single-day snowfall in Shiraz?
The heaviest 24-hour snowfall measured in Shiraz between 1940 and 2025 was 11 January 1996, with 35.4 cm.
Are there tropical nights in Shiraz?
Yes: Shiraz has on average 51 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Shiraz?
In Shiraz, between 1940 and 2025, the highest apparent temperature reached 40.5 °C on 11 July 1998, and the lowest was -22.6 °C on 28 January 1983.
Compare Shiraz with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Shiraz