Osmaniye climate
Osmaniye is warmest in August, with average highs of 33 °C, and coldest in January, when nights average 3.3 °C. March is the wettest month (115 mm) and July the driest (8.5 mm). Figures are 1991–2020 climate normals.
Across a full year Osmaniye averages 811 mm of rain, 164 days above 25 °C and 16 days below freezing.
Turkey · population 202,837 · 1991–2020 normals
Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month
- Warmest month August 33 °C
- Coldest month January 3.3 °C
- Driest month July 8 mm
- Wettest month March 115 mm
- Least cloud July 21 % cloud
- Hottest on record September 44 °C
- Coldest on record February -9.7 °C
- Warmest sea August 29 °C
What to expectOsmaniye through the year
Osmaniye has a clear annual cycle: average daily highs run from 12 °C in January to 33 °C in August, a swing of 20 °C in mean temperature across the year.
Counted across a normal year, 164 days a year reach 25 °C, 98 of them reach 30 °C, 16 nights drop below freezing. The warmest reading in the 1991–2020 record is 44 °C, in September.
Rain is strongly seasonal. March averages 115 mm against 8 mm in July — 14 times as much. Planning around the dry months matters more here than planning around temperature.
The sea off Osmaniye is warmest in August at 29 °C and coldest in February at 16 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.
Month by month
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 12.2 °C | 108 mm | 52 % |
| February | 13.7 °C | 104 mm | 51 % |
| March | 17.1 °C | 115 mm | 51 % |
| April | 21.2 °C | 100 mm | 52 % |
| May | 25.6 °C | 74 mm | 43 % |
| June | 29.6 °C | 25 mm | 26 % |
| July | 32.9 °C | 8 mm | 21 % |
| August | 33.4 °C | 9 mm | 24 % |
| September | 31.0 °C | 32 mm | 23 % |
| October | 26.5 °C | 66 mm | 35 % |
| November | 19.6 °C | 69 mm | 40 % |
| December | 14.0 °C | 102 mm | 51 % |
Temperature month by month
| Month | Avg high | Avg low | Mean | Record high | Record low | Days above 25 °C | Days above 30 °C | Days below 0 °C |
|---|---|---|---|---|---|---|---|---|
| January | 12.2 °C | 3.3 °C | 7.4 °C | 20.1 °C | -4.8 °C | 0 | 0 | 6 |
| February | 13.7 °C | 3.7 °C | 8.6 °C | 25.6 °C | -9.7 °C | 0 | 0 | 5 |
| March | 17.1 °C | 6.8 °C | 12.1 °C | 29.5 °C | -3.0 °C | 0 | 0 | 1 |
| April | 21.2 °C | 10.9 °C | 16.2 °C | 33.8 °C | 0.5 °C | 6 | 1 | 0 |
| May | 25.6 °C | 15.5 °C | 20.6 °C | 36.8 °C | 8.5 °C | 16 | 5 | 0 |
| June | 29.6 °C | 19.6 °C | 24.4 °C | 41.2 °C | 13.7 °C | 28 | 13 | 0 |
| July | 32.9 °C | 22.4 °C | 27.1 °C | 42.5 °C | 15.6 °C | 31 | 27 | 0 |
| August | 33.4 °C | 23.1 °C | 27.6 °C | 42.2 °C | 18.8 °C | 31 | 29 | 0 |
| September | 31.0 °C | 20.2 °C | 25.2 °C | 43.6 °C | 10.0 °C | 29 | 18 | 0 |
| October | 26.5 °C | 15.1 °C | 20.6 °C | 36.5 °C | 5.6 °C | 21 | 6 | 0 |
| November | 19.6 °C | 8.9 °C | 13.8 °C | 28.6 °C | -1.8 °C | 2 | 0 | 0 |
| December | 14.0 °C | 5.0 °C | 9.1 °C | 26.3 °C | -4.6 °C | 0 | 0 | 3 |
Rain, sun and wind month by month
| Month | Rainfall | Wet days | Daylight | Cloud cover | Humidity | Wind | Sea temp |
|---|---|---|---|---|---|---|---|
| January | 108 mm | 11 | 9.9 h/day | 52 % | 76 % | 9.2 km/h | 17.3 °C |
| February | 104 mm | 11 | 11 h/day | 51 % | 74 % | 9.4 km/h | 16.4 °C |
| March | 115 mm | 13 | 12 h/day | 51 % | 73 % | 10 km/h | 16.8 °C |
| April | 100 mm | 11 | 13 h/day | 52 % | 74 % | 10 km/h | 18.4 °C |
| May | 74 mm | 9 | 14 h/day | 43 % | 72 % | 10 km/h | 21.7 °C |
| June | 25 mm | 6 | 15 h/day | 26 % | 68 % | 12 km/h | 25.4 °C |
| July | 8 mm | 2 | 14 h/day | 21 % | 67 % | 12 km/h | 28.1 °C |
| August | 9 mm | 3 | 14 h/day | 24 % | 68 % | 12 km/h | 29.2 °C |
| September | 32 mm | 5 | 12 h/day | 23 % | 65 % | 11 km/h | 28.7 °C |
| October | 66 mm | 8 | 11 h/day | 35 % | 65 % | 8.7 km/h | 26.4 °C |
| November | 69 mm | 8 | 10 h/day | 40 % | 69 % | 8.6 km/h | 22.7 °C |
| December | 102 mm | 11 | 9.6 h/day | 51 % | 75 % | 8.9 km/h | 19.4 °C |
How Osmaniye compares
The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.
| Destination | Summer high | Winter low | Rain per year | Days above 25 °C |
|---|---|---|---|---|
| Osmaniye | 33 °C | 3.3 °C | 811 mm | 164 |
| İskenderun · Turkey | 33 °C | 7.6 °C | 670 mm | 169 |
| Adana · Turkey | 35 °C | 4.0 °C | 691 mm | 175 |
| Kahramanmaraş · Turkey | 35 °C | -0.4 °C | 573 mm | 148 |
| Antakya · Turkey | 33 °C | 5.0 °C | 626 mm | 172 |
| Gaziantep · Turkey | 35 °C | -0.3 °C | 451 mm | 151 |
| Tarsus · Turkey | 32 °C | 4.3 °C | 548 mm | 160 |
Where Osmaniye ranks
| Ranking | Position | Value |
|---|---|---|
| Best beach destinations in Asia in June | 19thof 50 | 93/100 |
| Best beach destinations in Asia in May | 30thof 50 | 78/100 |
| Best beach destinations in Asia in July | 37thof 50 | 85/100 |
| Best beach destinations in Asia in October | 37thof 50 | 90/100 |
| Best beach destinations in Asia in September | 42ndof 50 | 85/100 |
Planning a trip? See the best time to visit Osmaniye.
QuestionsCommon questions about Osmaniye’s climate
When is the best time to visit Osmaniye?
That depends on what you want, so the honest answer is a comparison rather than a single month. April, May, October sit closest to 20 °C on average, August is the warmest month and July the driest. The month-by-month table above has the full picture.
How hot does Osmaniye get?
In August, the warmest month, daily highs average 33 °C. About 98 days a year pass 30 °C. The highest value in the 1991–2020 record is 44 °C.
How cold does it get in winter?
Nights average 3.3 °C in January, the coldest month. A normal year has 16 nights below freezing.
Which month is wettest in Osmaniye?
March, averaging 115 mm over 13 days with rain. The driest month is July with 8 mm. The year as a whole averages 811 mm.
Are these figures a forecast?
No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Osmaniye rather than what any particular week will bring. Individual years can differ substantially from the normal.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.