Omīdīyeh climate — normals and trends
Omīdīyeh (Iran) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 25.5 °C and it receives 340 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 (37.3 °C on average) and the coldest is January (12.3 °C). Rainfall peaks in December.
Omīdīyeh averages 0 frost days, 209 hot days (≥ 30 °C) and 34 rainy days per year.
Omīdīyeh has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The hottest day of the period reached 50.5 °C (on 27 July 2011) and the coldest -5.2 °C (on 20 January 1964).
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
OmīdīyehKhuzestan
- coords
- 30.76°, 49.70°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.5°C
Average daily high
32.0°C
Average daily low
19.4°C
Annual rainfall
340mm
Sunshine / day
11.0h
Mean relative humidity
40%
Average peak wind
17.5km/h
Seasonal range
25.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
209 d/yr
Rainy days (≥ 1 mm)
34 d/yr
Annual snowfall
0.0 cm
Average feels-like high
30.3 °C
Average feels-like low
17.3 °C
Average peak gust
31.4 km/h
Tropical nights (≥ 20 °C)
184 d/yr
Solar radiation
20.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.48 · 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
50.5 °C
27 July 2011
Coldest day
-5.2 °C
20 January 1964
Wettest day
163 mm
6 December 1954
Windiest day
51.6 km/h
5 April 1948
Strongest gust
89.3 km/h
13 April 1952
Hottest feels-like
51.5 °C
30 July 2020
Coldest feels-like
-10.1 °C
20 January 1964
Snowiest day
0.1 cm
19 January 1964
Sunniest day
13.1 h
15 June 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 | 21.3 °C | +4.1 °C | 9 mm | -66 mm |
| Feb | 20.7 °C | +1.2 °C | 19 mm | -27 mm |
| Mar | 26.8 °C | +2.3 °C | 70 mm | +25 mm |
| Apr | 36.0 °C | +4.8 °C | 3 mm | -17 mm |
| May | 43.1 °C | +4.7 °C | 0 mm | -5 mm |
| Jun | 44.8 °C | +1.6 °C | 0 mm | 0 mm |
| Jul | 46.6 °C | +1.8 °C | 1 mm | +0 mm |
| Aug | 46.4 °C | +2.0 °C | 2 mm | +1 mm |
| Sep | 42.6 °C | +1.6 °C | 0 mm | -0 mm |
| Oct | 37.3 °C | +2.4 °C | 0 mm | -5 mm |
| Nov | 30.1 °C | +4.3 °C | 0 mm | -57 mm |
| Dec | 20.9 °C | +1.8 °C | 199 mm | +112 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 Omīdīyeh?
Omīdīyeh has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 25.5 °C and it receives 340 mm of precipitation per year.
What is the hottest day ever recorded in Omīdīyeh?
The hottest day measured in Omīdīyeh between 1940 and 2025 was 27 July 2011, reaching 50.5 °C.
What is the coldest day in Omīdīyeh?
The coldest day measured in Omīdīyeh between 1940 and 2025 was 20 January 1964, at -5.2 °C.
Does it snow in Omīdīyeh?
Almost never: Omīdīyeh sees virtually no snow, with about 0 frost days per year.
Has the climate of Omīdīyeh warmed?
Yes: Omīdīyeh warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Omīdīyeh?
The wettest day measured in Omīdīyeh between 1940 and 2025 was 6 December 1954, with 163 mm of rain in 24 hours.
What was the windiest day in Omīdīyeh?
The windiest day measured in Omīdīyeh between 1940 and 2025 was 5 April 1948, with winds reaching 51.6 km/h.
What is the warmest month in Omīdīyeh?
The warmest month in Omīdīyeh is July (37.3 °C on average); the coldest is January (12.3 °C).
How much does it rain in Omīdīyeh?
Omīdīyeh receives on average 340 mm of precipitation per year, spread over about 34 rainy days.
Is it sunny in Omīdīyeh?
Omīdīyeh gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.
What is the biggest single-day snowfall in Omīdīyeh?
The heaviest 24-hour snowfall measured in Omīdīyeh between 1940 and 2025 was 19 January 1964, with 0.1 cm.
Are there tropical nights in Omīdīyeh?
Yes: Omīdīyeh has on average 184 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Omīdīyeh?
In Omīdīyeh, between 1940 and 2025, the highest apparent temperature reached 51.5 °C on 30 July 2020, and the lowest was -10.1 °C on 20 January 1964.
Compare Omīdīyeh with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Omīdīyeh