Yazd climate — normals and trends
Yazd (Iran) has a cold desert climate (BWk) under the Köppen-Geiger classification. Its mean annual temperature is 18.0 °C and it receives 109 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 (30.5 °C on average) and the coldest is January (5.0 °C). Rainfall peaks in March.
Yazd averages 38 frost days, 130 hot days (≥ 30 °C) and 25 rainy days per year.
Yazd has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 46 to 31 per year over the period.
The hottest day of the period reached 43.4 °C (on 27 July 2024) and the coldest -14.7 °C (on 7 February 2014).
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
YazdYazd Province
- coords
- 31.90°, 54.37°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.0°C
Average daily high
24.1°C
Average daily low
11.7°C
Annual rainfall
109mm
Sunshine / day
11.1h
Mean relative humidity
31%
Average peak wind
10.5km/h
Seasonal range
25.5°C
Frost days (< 0 °C)
38 d/yr
Hot days (≥ 30 °C)
130 d/yr
Rainy days (≥ 1 mm)
25 d/yr
Annual snowfall
10.2 cm
Average feels-like high
21.8 °C
Average feels-like low
8.6 °C
Average peak gust
29.7 km/h
Tropical nights (≥ 20 °C)
83 d/yr
Solar radiation
21.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.53 · 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
43.4 °C
27 July 2024
Coldest day
-14.7 °C
7 February 2014
Wettest day
29 mm
3 April 1977
Windiest day
36.8 km/h
11 March 2022
Strongest gust
81.7 km/h
27 March 1979
Hottest feels-like
42.9 °C
26 July 2024
Coldest feels-like
-19.3 °C
7 February 2014
Snowiest day
11.1 cm
20 January 1983
Sunniest day
13.1 h
30 May 2022
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 | 10.4 °C | -0.6 °C | 14 mm | -5 mm |
| Feb | 13.4 °C | -0.3 °C | 9 mm | -7 mm |
| Mar | 19.7 °C | +1.4 °C | 20 mm | 0 mm |
| Apr | 28.8 °C | +5.1 °C | 3 mm | -15 mm |
| May | 34.1 °C | +4.8 °C | 1 mm | -5 mm |
| Jun | 36.5 °C | +1.7 °C | 0 mm | -0 mm |
| Jul | 38.2 °C | +1.7 °C | 0 mm | -0 mm |
| Aug | 36.2 °C | +1.3 °C | 0 mm | -0 mm |
| Sep | 34.3 °C | +2.8 °C | 0 mm | -0 mm |
| Oct | 29.1 °C | +3.8 °C | 0 mm | -2 mm |
| Nov | 20.7 °C | +2.9 °C | 0 mm | -11 mm |
| Dec | 14.1 °C | +1.4 °C | 37 mm | +21 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 Yazd?
Yazd has a cold desert climate (Köppen BWk). Over 1940-2025, the average annual temperature is 18.0 °C and it receives 109 mm of precipitation per year.
What is the hottest day ever recorded in Yazd?
The hottest day measured in Yazd between 1940 and 2025 was 27 July 2024, reaching 43.4 °C.
What is the coldest day in Yazd?
The coldest day measured in Yazd between 1940 and 2025 was 7 February 2014, at -14.7 °C.
Does it snow in Yazd?
Yes. Yazd gets on average 10.2 cm of snow per year and has around 38 frost days.
Has the climate of Yazd warmed?
Yes: Yazd warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Yazd?
The wettest day measured in Yazd between 1940 and 2025 was 3 April 1977, with 29 mm of rain in 24 hours.
What was the windiest day in Yazd?
The windiest day measured in Yazd between 1940 and 2025 was 11 March 2022, with winds reaching 36.8 km/h.
What is the warmest month in Yazd?
The warmest month in Yazd is July (30.5 °C on average); the coldest is January (5.0 °C).
How much does it rain in Yazd?
Yazd receives on average 109 mm of precipitation per year, spread over about 25 rainy days.
Is it sunny in Yazd?
Yazd 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 Yazd?
The heaviest 24-hour snowfall measured in Yazd between 1940 and 2025 was 20 January 1983, with 11.1 cm.
Are there tropical nights in Yazd?
Yes: Yazd has on average 83 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Yazd?
In Yazd, between 1940 and 2025, the highest apparent temperature reached 42.9 °C on 26 July 2024, and the lowest was -19.3 °C on 7 February 2014.
Compare Yazd with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Yazd