Constantine climate
Constantine is warmest in July, with average highs of 34 °C, and coldest in January, when nights average 2.3 °C. March is the wettest month (53 mm) and July the driest (8.0 mm). Figures are 1991–2020 climate normals.
Across a full year Constantine averages 451 mm of rain, 139 days above 25 °C and 15 days below freezing.
Algeria · population 448,028 · 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 July 34 °C
- Coldest month January 2.3 °C
- Driest month July 8 mm
- Wettest month March 53 mm
- Least cloud July 17 % cloud
- Hottest on record August 44 °C
- Coldest on record February -13 °C
What to expectConstantine through the year
Constantine has a clear annual cycle: average daily highs run from 12 °C in January to 34 °C in July, a swing of 19 °C in mean temperature across the year.
Counted across a normal year, 139 days a year reach 25 °C, 84 of them reach 30 °C, 15 nights drop below freezing. The warmest reading in the 1991–2020 record is 44 °C, in August.
Rain is strongly seasonal. March averages 53 mm against 8 mm in July — 6.7 times as much. Planning around the dry months matters more here than planning around temperature.
Month by month
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 12.3 °C | 50 mm | 55 % |
| February | 13.1 °C | 44 mm | 53 % |
| March | 16.3 °C | 53 mm | 53 % |
| April | 19.4 °C | 53 mm | 51 % |
| May | 24.2 °C | 49 mm | 47 % |
| June | 29.6 °C | 18 mm | 31 % |
| July | 33.9 °C | 8 mm | 17 % |
| August | 33.7 °C | 18 mm | 24 % |
| September | 28.6 °C | 30 mm | 44 % |
| October | 23.8 °C | 39 mm | 49 % |
| November | 17.3 °C | 42 mm | 53 % |
| December | 13.3 °C | 48 mm | 56 % |
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 | 12.3 °C | 2.3 °C | 6.8 °C | 21.8 °C | -8.6 °C | 0 | 0 | 6 |
| February | 13.1 °C | 2.5 °C | 7.3 °C | 27.0 °C | -13.3 °C | 0 | 0 | 5 |
| March | 16.3 °C | 4.7 °C | 10.2 °C | 31.4 °C | -3.0 °C | 1 | 0 | 1 |
| April | 19.4 °C | 7.1 °C | 13.0 °C | 33.4 °C | -2.2 °C | 4 | 0 | 0 |
| May | 24.2 °C | 10.7 °C | 17.3 °C | 39.0 °C | 2.3 °C | 13 | 4 | 0 |
| June | 29.6 °C | 14.9 °C | 22.1 °C | 42.7 °C | 5.3 °C | 24 | 14 | 0 |
| July | 33.9 °C | 18.0 °C | 25.7 °C | 43.2 °C | 10.4 °C | 30 | 26 | 0 |
| August | 33.7 °C | 18.5 °C | 25.7 °C | 43.6 °C | 11.6 °C | 30 | 25 | 0 |
| September | 28.6 °C | 15.8 °C | 21.5 °C | 40.7 °C | 8.6 °C | 23 | 11 | 0 |
| October | 23.8 °C | 12.0 °C | 17.3 °C | 36.5 °C | 3.7 °C | 12 | 3 | 0 |
| November | 17.3 °C | 7.1 °C | 11.6 °C | 29.1 °C | -1.6 °C | 1 | 0 | 0 |
| December | 13.3 °C | 3.7 °C | 8.0 °C | 23.8 °C | -6.7 °C | 0 | 0 | 2 |
Rain, sun and wind month by month
| Month | Rainfall | Wet days | Daylight | Cloud cover | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 50 mm | 9 | 10.0 h/day | 55 % | 78 % | 13 km/h |
| February | 44 mm | 8 | 11 h/day | 53 % | 77 % | 14 km/h |
| March | 53 mm | 9 | 12 h/day | 53 % | 75 % | 14 km/h |
| April | 53 mm | 9 | 13 h/day | 51 % | 72 % | 14 km/h |
| May | 49 mm | 8 | 14 h/day | 47 % | 68 % | 14 km/h |
| June | 18 mm | 5 | 15 h/day | 31 % | 58 % | 14 km/h |
| July | 8 mm | 3 | 14 h/day | 17 % | 50 % | 15 km/h |
| August | 18 mm | 5 | 14 h/day | 24 % | 53 % | 14 km/h |
| September | 30 mm | 7 | 12 h/day | 44 % | 64 % | 13 km/h |
| October | 39 mm | 7 | 11 h/day | 49 % | 69 % | 12 km/h |
| November | 42 mm | 7 | 10 h/day | 53 % | 73 % | 13 km/h |
| December | 48 mm | 8 | 9.7 h/day | 56 % | 78 % | 13 km/h |
Where Constantine ranks
| Ranking | Position | Value |
|---|---|---|
| The coolest places in Africa in March | 9th of 50 | 16 °C |
| The coolest places in Africa in December | 13th of 50 | 13 °C |
| The coolest places in Africa in February | 13th of 50 | 13 °C |
| The coolest places in Africa in January | 13th of 50 | 12 °C |
| The coolest places in Africa in April | 14th of 50 | 19 °C |
| The coolest places in Africa in November | 14th of 50 | 17 °C |
Planning a trip? See the best time to visit Constantine.
QuestionsCommon questions about Constantine’s climate
When is the best time to visit Constantine?
That depends on what you want, so the honest answer is a comparison rather than a single month. June, September, October sit closest to 20 °C on average, July is the warmest month and July the driest. The month-by-month table above has the full picture.
How hot does Constantine get?
In July, the warmest month, daily highs average 34 °C. About 84 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 2.3 °C in January, the coldest month. A normal year has 15 nights below freezing.
Which month is wettest in Constantine?
March, averaging 53 mm over 9 days with rain. The driest month is July with 8 mm. The year as a whole averages 451 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 Constantine 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
- Data point
- 36.365°, 6.615° (the coordinates the reanalysis values are taken for)
- 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.