Borūjerd climate — normals and trends
Borūjerd (Iran) has a hot-summer mediterranean continental climate (Dsa) under the Köppen-Geiger classification. Its mean annual temperature is 10.6 °C and it receives 483 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 (25.0 °C on average) and the coldest is January (-4.4 °C). Rainfall peaks in March.
Borūjerd averages 121 frost days, 65 hot days (≥ 30 °C) and 74 rainy days per year.
Borūjerd has warmed by +3.1 °C between 1940 and 2025, or +0.37 °C per decade. This trend is statistically significant.
The number of frost days there went from about 141 to 101 per year over the period.
The hottest day of the period reached 38.5 °C (on 25 July 2013) and the coldest -28.6 °C (on 16 January 2008).
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
BorūjerdLorestan Province
- coords
- 33.90°, 48.75°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.6°C
Average daily high
16.8°C
Average daily low
4.7°C
Annual rainfall
483mm
Sunshine / day
10.9h
Mean relative humidity
50%
Average peak wind
12.6km/h
Seasonal range
29.4°C
Frost days (< 0 °C)
121 d/yr
Hot days (≥ 30 °C)
65 d/yr
Rainy days (≥ 1 mm)
74 d/yr
Annual snowfall
154.8 cm
Average feels-like high
14.1 °C
Average feels-like low
1.6 °C
Average peak gust
38.8 km/h
Tropical nights (≥ 20 °C)
4 d/yr
Solar radiation
20.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.1 °C
since 1940
+0.4 °C per decade · r² = 0.50 · 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
38.5 °C
25 July 2013
Coldest day
-28.6 °C
16 January 2008
Wettest day
71 mm
1 April 2019
Windiest day
39.7 km/h
7 April 1964
Strongest gust
113.0 km/h
7 March 1994
Hottest feels-like
37.3 °C
19 August 2025
Coldest feels-like
-33.0 °C
16 January 2008
Snowiest day
35.0 cm
17 December 1941
Sunniest day
13.8 h
28 June 1977
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 | 4.3 °C | +4.0 °C | 32 mm | -33 mm |
| Feb | 1.3 °C | -0.7 °C | 77 mm | +10 mm |
| Mar | 11.4 °C | +3.9 °C | 60 mm | -33 mm |
| Apr | 18.6 °C | +4.0 °C | 69 mm | -7 mm |
| May | 26.6 °C | +5.7 °C | 14 mm | -24 mm |
| Jun | 31.2 °C | +3.0 °C | 4 mm | +1 mm |
| Jul | 34.4 °C | +2.2 °C | 5 mm | +4 mm |
| Aug | 35.0 °C | +3.3 °C | 0 mm | -1 mm |
| Sep | 29.6 °C | +2.1 °C | 0 mm | -2 mm |
| Oct | 24.3 °C | +4.2 °C | 0 mm | -20 mm |
| Nov | 17.1 °C | +5.4 °C | 6 mm | -47 mm |
| Dec | 6.3 °C | +2.0 °C | 73 mm | +9 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 Borūjerd?
Borūjerd has a hot-summer mediterranean continental climate (Köppen Dsa). Over 1940-2025, the average annual temperature is 10.6 °C and it receives 483 mm of precipitation per year.
What is the hottest day ever recorded in Borūjerd?
The hottest day measured in Borūjerd between 1940 and 2025 was 25 July 2013, reaching 38.5 °C.
What is the coldest day in Borūjerd?
The coldest day measured in Borūjerd between 1940 and 2025 was 16 January 2008, at -28.6 °C.
Does it snow in Borūjerd?
Yes. Borūjerd gets on average 154.8 cm of snow per year and has around 121 frost days.
Has the climate of Borūjerd warmed?
Yes: Borūjerd warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Borūjerd?
The wettest day measured in Borūjerd between 1940 and 2025 was 1 April 2019, with 71 mm of rain in 24 hours.
What was the windiest day in Borūjerd?
The windiest day measured in Borūjerd between 1940 and 2025 was 7 April 1964, with winds reaching 39.7 km/h.
What is the warmest month in Borūjerd?
The warmest month in Borūjerd is July (25.0 °C on average); the coldest is January (-4.4 °C).
How much does it rain in Borūjerd?
Borūjerd receives on average 483 mm of precipitation per year, spread over about 74 rainy days.
Is it sunny in Borūjerd?
Borūjerd gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
What is the biggest single-day snowfall in Borūjerd?
The heaviest 24-hour snowfall measured in Borūjerd between 1940 and 2025 was 17 December 1941, with 35.0 cm.
Are there tropical nights in Borūjerd?
Yes: Borūjerd has on average 4 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Borūjerd?
In Borūjerd, between 1940 and 2025, the highest apparent temperature reached 37.3 °C on 19 August 2025, and the lowest was -33.0 °C on 16 January 2008.
Compare Borūjerd with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Borūjerd