Neyrīz climate — normals and trends
Neyrīz (Iran) has a cold desert climate (BWk) under the Köppen-Geiger classification. Its mean annual temperature is 16.9 °C and it receives 163 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 (28.5 °C on average) and the coldest is January (4.6 °C). Rainfall peaks in January.
Neyrīz averages 31 frost days, 109 hot days (≥ 30 °C) and 28 rainy days per year.
Neyrīz has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The number of frost days there went from about 36 to 26 per year over the period.
The hottest day of the period reached 40.2 °C (on 28 July 2024) and the coldest -16.6 °C (on 6 January 1973).
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
NeyrīzFars
- coords
- 29.20°, 54.33°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.9°C
Average daily high
22.4°C
Average daily low
11.2°C
Annual rainfall
163mm
Sunshine / day
11.2h
Mean relative humidity
35%
Average peak wind
13.0km/h
Seasonal range
23.9°C
Frost days (< 0 °C)
31 d/yr
Hot days (≥ 30 °C)
109 d/yr
Rainy days (≥ 1 mm)
28 d/yr
Annual snowfall
8.4 cm
Average feels-like high
19.8 °C
Average feels-like low
8.2 °C
Average peak gust
36.6 km/h
Tropical nights (≥ 20 °C)
65 d/yr
Solar radiation
22.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.36 · 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
40.2 °C
28 July 2024
Coldest day
-16.6 °C
6 January 1973
Wettest day
55 mm
22 December 1992
Windiest day
35.9 km/h
31 March 1956
Strongest gust
102.2 km/h
7 April 1949
Hottest feels-like
40.0 °C
13 July 1977
Coldest feels-like
-21.4 °C
6 January 1973
Snowiest day
21.8 cm
11 January 1996
Sunniest day
13.0 h
5 May 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 | 10.7 °C | +1.2 °C | 13 mm | -24 mm |
| Feb | 11.7 °C | -0.2 °C | 34 mm | +4 mm |
| Mar | 17.3 °C | +1.4 °C | 28 mm | -2 mm |
| Apr | 27.1 °C | +5.6 °C | 2 mm | -13 mm |
| May | 32.4 °C | +4.7 °C | 0 mm | -4 mm |
| Jun | 34.8 °C | +1.9 °C | 0 mm | -0 mm |
| Jul | 36.0 °C | +1.8 °C | 2 mm | -2 mm |
| Aug | 34.6 °C | +1.8 °C | 0 mm | -2 mm |
| Sep | 32.6 °C | +2.9 °C | 0 mm | -0 mm |
| Oct | 26.7 °C | +2.8 °C | 0 mm | -2 mm |
| Nov | 19.9 °C | +3.0 °C | 0 mm | -10 mm |
| Dec | 11.6 °C | -0.1 °C | 119 mm | +90 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 Neyrīz?
Neyrīz has a cold desert climate (Köppen BWk). Over 1940-2025, the average annual temperature is 16.9 °C and it receives 163 mm of precipitation per year.
What is the hottest day ever recorded in Neyrīz?
The hottest day measured in Neyrīz between 1940 and 2025 was 28 July 2024, reaching 40.2 °C.
What is the coldest day in Neyrīz?
The coldest day measured in Neyrīz between 1940 and 2025 was 6 January 1973, at -16.6 °C.
Does it snow in Neyrīz?
Yes. Neyrīz gets on average 8.4 cm of snow per year and has around 31 frost days.
Has the climate of Neyrīz warmed?
Yes: Neyrīz warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Neyrīz?
The wettest day measured in Neyrīz between 1940 and 2025 was 22 December 1992, with 55 mm of rain in 24 hours.
What was the windiest day in Neyrīz?
The windiest day measured in Neyrīz between 1940 and 2025 was 31 March 1956, with winds reaching 35.9 km/h.
What is the warmest month in Neyrīz?
The warmest month in Neyrīz is July (28.5 °C on average); the coldest is January (4.6 °C).
How much does it rain in Neyrīz?
Neyrīz receives on average 163 mm of precipitation per year, spread over about 28 rainy days.
Is it sunny in Neyrīz?
Neyrīz gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
What is the biggest single-day snowfall in Neyrīz?
The heaviest 24-hour snowfall measured in Neyrīz between 1940 and 2025 was 11 January 1996, with 21.8 cm.
Are there tropical nights in Neyrīz?
Yes: Neyrīz has on average 65 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Neyrīz?
In Neyrīz, between 1940 and 2025, the highest apparent temperature reached 40.0 °C on 13 July 1977, and the lowest was -21.4 °C on 6 January 1973.
Compare Neyrīz with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Neyrīz