Hilvan climate — normals and trends
Hilvan (Republic of Türkiye) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 16.7 °C and it receives 609 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 (30.7 °C on average) and the coldest is January (3.5 °C). Rainfall peaks in January.
Hilvan averages 41 frost days, 124 hot days (≥ 30 °C) and 78 rainy days per year.
Hilvan has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 55 to 27 per year over the period.
The hottest day of the period reached 46.0 °C (on 28 July 2011) and the coldest -20.9 °C (on 8 February 1950).
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
HilvanŞanlıurfa
- coords
- 37.59°, 38.96°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.7°C
Average daily high
23.0°C
Average daily low
10.9°C
Annual rainfall
609mm
Sunshine / day
10.4h
Mean relative humidity
55%
Average peak wind
13.7km/h
Seasonal range
27.2°C
Frost days (< 0 °C)
41 d/yr
Hot days (≥ 30 °C)
124 d/yr
Rainy days (≥ 1 mm)
78 d/yr
Annual snowfall
21.1 cm
Average feels-like high
21.5 °C
Average feels-like low
8.7 °C
Average peak gust
28.7 km/h
Tropical nights (≥ 20 °C)
74 d/yr
Solar radiation
18.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.39 · 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
46.0 °C
28 July 2011
Coldest day
-20.9 °C
8 February 1950
Wettest day
61 mm
18 October 1987
Windiest day
43.3 km/h
6 January 2015
Strongest gust
85.3 km/h
16 March 1998
Hottest feels-like
46.9 °C
30 July 2000
Coldest feels-like
-25.9 °C
8 February 1950
Snowiest day
24.2 cm
18 December 1951
Sunniest day
14.4 h
27 June 1941
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 | 12.9 °C | +4.6 °C | 9 mm | -91 mm |
| Feb | 9.8 °C | -0.6 °C | 72 mm | -17 mm |
| Mar | 20.1 °C | +5.3 °C | 54 mm | -36 mm |
| Apr | 21.4 °C | +0.9 °C | 62 mm | -9 mm |
| May | 29.8 °C | +3.2 °C | 42 mm | +3 mm |
| Jun | 35.9 °C | +2.6 °C | 0 mm | -6 mm |
| Jul | 40.5 °C | +2.7 °C | 0 mm | -1 mm |
| Aug | 39.8 °C | +2.0 °C | 0 mm | -1 mm |
| Sep | 33.7 °C | +0.6 °C | 0 mm | -4 mm |
| Oct | 26.5 °C | +0.9 °C | 32 mm | -14 mm |
| Nov | 21.4 °C | +4.2 °C | 25 mm | -46 mm |
| Dec | 12.4 °C | +1.8 °C | 73 mm | -20 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 Hilvan?
Hilvan has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 16.7 °C and it receives 609 mm of precipitation per year.
What is the hottest day ever recorded in Hilvan?
The hottest day measured in Hilvan between 1940 and 2025 was 28 July 2011, reaching 46.0 °C.
What is the coldest day in Hilvan?
The coldest day measured in Hilvan between 1940 and 2025 was 8 February 1950, at -20.9 °C.
Does it snow in Hilvan?
Yes. Hilvan gets on average 21.1 cm of snow per year and has around 41 frost days.
Has the climate of Hilvan warmed?
Yes: Hilvan warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Hilvan?
The wettest day measured in Hilvan between 1940 and 2025 was 18 October 1987, with 61 mm of rain in 24 hours.
What was the windiest day in Hilvan?
The windiest day measured in Hilvan between 1940 and 2025 was 6 January 2015, with winds reaching 43.3 km/h.
What is the warmest month in Hilvan?
The warmest month in Hilvan is July (30.7 °C on average); the coldest is January (3.5 °C).
How much does it rain in Hilvan?
Hilvan receives on average 609 mm of precipitation per year, spread over about 78 rainy days.
Is it sunny in Hilvan?
Hilvan gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
What is the biggest single-day snowfall in Hilvan?
The heaviest 24-hour snowfall measured in Hilvan between 1940 and 2025 was 18 December 1951, with 24.2 cm.
Are there tropical nights in Hilvan?
Yes: Hilvan has on average 74 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Hilvan?
In Hilvan, between 1940 and 2025, the highest apparent temperature reached 46.9 °C on 30 July 2000, and the lowest was -25.9 °C on 8 February 1950.
Compare Hilvan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Hilvan