Sidi Okba climate — normals and trends

Sidi Okba (Algeria) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 22.0 °C and it receives 115 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 (33.9 °C on average) and the coldest is January (10.8 °C). Rainfall peaks in October.

Sidi Okba averages 1 frost days, 149 hot days (≥ 30 °C) and 22 rainy days per year.

Sidi Okba has warmed by +3.4 °C between 1940 and 2025, or +0.40 °C per decade. This trend is statistically significant.

The number of frost days there went from about 2 to 0 per year over the period.

The hottest day of the period reached 48.9 °C (on 13 July 2017) and the coldest -2.0 °C (on 31 December 1940).

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

Sidi OkbaBiskra Province

coords
34.75°, 5.90°
period
19402025 · 86 yrs
BWhHot desertWarmest monthJulyColdest monthJanuaryWettest monthOctoberDriest monthJuly

Mean daily temperature

22.0°C

Average daily high

27.2°C

Average daily low

16.7°C

Annual rainfall

115mm

Sunshine / day

11.0h

Mean relative humidity

42%

Average peak wind

16.6km/h

Seasonal range

23.1°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

149 d/yr

Rainy days (≥ 1 mm)

22 d/yr

Annual snowfall

0.1 cm

Average feels-like high

25.6 °C

Average feels-like low

14.6 °C

Average peak gust

32.3 km/h

Tropical nights (≥ 20 °C)

142 d/yr

Solar radiation

19.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+3.4 °C

since 1940

+0.4 °C per decade · r² = 0.80 · p = < 0.001

1940Each stripe is one year, from 1940 (left) to 2025 (right). Blue = colder than the period average, red = warmer.2025

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

48.9 °C

13 July 2017

Coldest day

-2.0 °C

31 December 1940

Wettest day

45 mm

20 November 1967

Windiest day

52.5 km/h

19 February 1943

Strongest gust

91.8 km/h

19 February 1943

Hottest feels-like

48.2 °C

8 July 2008

Coldest feels-like

-6.4 °C

18 February 1942

Snowiest day

2.0 cm

16 January 1987

Sunniest day

13.6 h

30 June 1944

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202546.9 °C22 July 20254.5 °C23 November 202523.8 °C110 mm1680
202448.9 °C10 July 20243.8 °C9 January 202424.4 °C50 mm1740
202347.9 °C29 July 20231.3 °C30 January 202323.9 °C31 mm1760
202247.8 °C2 July 20222.0 °C21 January 202224.0 °C74 mm1570
202148.2 °C1 July 20211.6 °C4 January 202124.2 °C56 mm1680
202047.4 °C2 July 20202.1 °C31 December 202023.4 °C82 mm1680
201947.0 °C8 August 20193.5 °C11 January 201923.2 °C116 mm1600
201848.3 °C22 July 20182.8 °C8 February 201823.1 °C79 mm1550
201748.9 °C13 July 20172.0 °C4 January 201723.1 °C61 mm1680
201646.9 °C6 July 20161.9 °C19 January 201623.7 °C89 mm1800
201547.0 °C3 August 20151.9 °C2 January 201523.0 °C75 mm1710
201446.2 °C26 July 20142.3 °C3 February 201423.8 °C68 mm1770
201344.9 °C21 July 20132.1 °C26 February 201323.0 °C116 mm1750
201248.1 °C30 July 20120.9 °C13 February 201223.3 °C116 mm1750
201148.0 °C8 August 20112.4 °C29 December 201122.8 °C139 mm1520
201047.9 °C23 July 20101.5 °C3 February 201023.1 °C94 mm1600
200945.9 °C30 July 20093.6 °C17 February 200922.5 °C193 mm1480
200847.7 °C10 July 20082.1 °C10 February 200822.9 °C134 mm1560
200746.4 °C19 June 20071.2 °C17 December 200723.0 °C82 mm1560
200647.2 °C4 July 20060.7 °C18 January 200623.0 °C226 mm1710
200547.7 °C27 July 20050.1 °C27 January 200522.8 °C80 mm1730
200445.9 °C11 August 20042.1 °C28 December 200422.5 °C212 mm1480
200346.8 °C18 July 20033.3 °C31 January 200323.2 °C178 mm1650
200245.1 °C23 July 20020.9 °C7 January 200223.1 °C96 mm1660
200145.5 °C29 July 20013.3 °C13 December 200123.7 °C57 mm1760
200046.6 °C28 July 20002.2 °C17 January 200022.8 °C25 mm1550
199946.2 °C8 August 19990.4 °C3 February 199923.8 °C124 mm1750
199844.8 °C28 June 19982.8 °C23 January 199822.5 °C71 mm1540
199747.7 °C14 June 19974.0 °C5 January 199723.0 °C98 mm1580
199646.1 °C7 July 19963.3 °C28 December 199621.8 °C207 mm1360
199544.4 °C10 August 19952.6 °C6 January 199522.5 °C101 mm1370
199444.7 °C6 July 19942.2 °C5 February 199423.1 °C95 mm1440
199347.1 °C6 July 19933.3 °C8 January 199322.3 °C56 mm1510
199241.3 °C24 August 19921.2 °C5 January 199221.6 °C108 mm1520
199144.5 °C25 July 19912.2 °C16 February 199121.5 °C109 mm1410
199042.7 °C1 July 19903.1 °C16 December 199022.5 °C200 mm1470
198944.4 °C8 August 19893.2 °C2 January 198922.7 °C57 mm1450
198845.7 °C5 July 19882.6 °C28 December 198823.0 °C71 mm1580
198746.4 °C16 August 19871.5 °C16 January 198722.7 °C101 mm1580
198643.8 °C15 August 19861.7 °C13 February 198622.1 °C115 mm1480
198545.2 °C17 June 19850.2 °C10 January 198522.3 °C111 mm1450
198443.6 °C30 June 19842.9 °C17 February 198421.4 °C85 mm1340
198343.5 °C8 August 19831.3 °C24 January 198322.4 °C19 mm1600
198245.6 °C22 July 19823.0 °C17 December 198222.2 °C139 mm1510
198146.0 °C3 July 19811.9 °C14 January 198122.4 °C54 mm1670
198042.8 °C9 July 19800.2 °C13 December 198021.1 °C190 mm1370
197945.3 °C7 August 19793.3 °C17 January 197921.6 °C116 mm1340
197845.6 °C16 July 19780.3 °C14 January 197821.3 °C108 mm1290
197744.5 °C14 July 19772.8 °C20 December 197722.2 °C129 mm1360
197642.5 °C12 July 19762.2 °C16 February 197620.7 °C142 mm1260
197545.5 °C11 July 19750.4 °C7 January 197521.2 °C131 mm1380
197443.1 °C29 June 19742.5 °C6 March 197421.2 °C81 mm1420
197345.4 °C18 July 19732.3 °C1 March 197321.7 °C183 mm1650
197244.1 °C8 July 19722.8 °C25 December 197220.7 °C290 mm1230
197144.7 °C19 July 19710.3 °C3 January 197121.1 °C168 mm1360
197045.5 °C23 July 19701.9 °C17 February 197021.6 °C123 mm1430
196943.1 °C15 August 19691.2 °C7 February 196920.9 °C318 mm1360
196845.2 °C2 August 19682.5 °C6 February 196821.8 °C91 mm1390
196743.3 °C11 August 19671.6 °C18 January 196721.6 °C144 mm1370
196644.5 °C9 August 19663.2 °C26 December 196621.9 °C64 mm1350
196545.1 °C26 July 19651.1 °C17 February 196521.3 °C116 mm1330
196442.9 °C18 August 19641.4 °C12 January 196420.9 °C211 mm1530
196342.7 °C3 July 1963-0.4 °C30 January 196320.7 °C141 mm1223
196244.5 °C13 July 19620.4 °C16 December 196221.2 °C72 mm1420
196143.0 °C2 August 19612.9 °C28 January 196121.6 °C81 mm1400
196044.5 °C18 August 19600.7 °C19 January 196021.7 °C122 mm1400
195944.0 °C26 July 19591.8 °C19 January 195921.3 °C99 mm1360
195843.8 °C8 July 19582.2 °C25 January 195821.3 °C220 mm1500
195741.3 °C23 June 1957-2.0 °C19 January 195720.6 °C234 mm1233
195643.3 °C21 July 1956-0.7 °C6 February 195619.9 °C104 mm1325
195543.4 °C27 July 19553.0 °C1 March 195521.5 °C106 mm1410
195443.1 °C30 June 1954-0.6 °C3 February 195420.3 °C77 mm1303
195341.4 °C16 July 1953-1.3 °C18 January 195320.4 °C99 mm1442
195244.2 °C17 June 1952-0.1 °C11 January 195221.7 °C71 mm1451
195142.8 °C17 August 1951-0.2 °C1 January 195120.6 °C155 mm1311
195043.7 °C9 July 19500.1 °C30 December 195021.1 °C68 mm1450
194943.3 °C15 July 1949-0.8 °C5 February 194920.7 °C136 mm1423
194842.6 °C4 August 19481.8 °C25 January 194820.7 °C81 mm1370
194743.1 °C9 July 19471.1 °C19 December 194721.6 °C127 mm1470
194643.1 °C11 August 19460.6 °C24 December 194621.6 °C30 mm1520
194544.8 °C8 August 1945-1.1 °C14 January 194521.1 °C58 mm1472
194443.8 °C23 July 1944-0.2 °C9 January 194420.3 °C66 mm1462
194342.4 °C27 July 19431.3 °C31 December 194320.1 °C303 mm1380
194243.6 °C13 July 1942-1.5 °C2 January 194220.8 °C109 mm1439
194144.1 °C16 July 1941-1.9 °C7 January 194120.2 °C67 mm12610
194044.5 °C16 July 1940-2.0 °C31 December 194020.0 °C81 mm1417

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

Average daily high
29.1 °C
+1.9 °C
Hot days (≥ 30 °C)
168 d/yr
+19
Frost days (< 0 °C)
0 d/yr
-1
Annual rainfall
110 mm
-5 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan18.8 °C+2.9 °C5 mm-9 mm
Feb20.1 °C+2.0 °C2 mm-8 mm
Mar24.8 °C+2.9 °C4 mm-9 mm
Apr27.5 °C+1.5 °C16 mm+4 mm
May33.0 °C+1.7 °C18 mm+12 mm
Jun39.0 °C+2.4 °C0 mm-3 mm
Jul41.2 °C+1.6 °C0 mm-0 mm
Aug40.0 °C+1.3 °C1 mm-1 mm
Sep35.2 °C+1.5 °C6 mm-5 mm
Oct29.4 °C+2.0 °C5 mm-11 mm
Nov22.1 °C+1.1 °C2 mm-11 mm
Dec17.3 °C+0.7 °C51 mm+36 mm

The year's extremes

Hottest day
46.9 °C
22 Jul 2025
Coldest day
4.5 °C
23 Nov 2025
Wettest day
22.1 mm
15 Dec 2025
Windiest day
36.5 km/h
28 Jan 2025
Strongest gust
66.6 km/h
13 Apr 2025
Hottest feels-like
46.6 °C
22 Jul 2025
Coldest feels-like
1.4 °C
23 Nov 2025
Sunniest day
13.5 h
19 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Sidi Okba?

Sidi Okba has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 22.0 °C and it receives 115 mm of precipitation per year.

What is the hottest day ever recorded in Sidi Okba?

The hottest day measured in Sidi Okba between 1940 and 2025 was 13 July 2017, reaching 48.9 °C.

What is the coldest day in Sidi Okba?

The coldest day measured in Sidi Okba between 1940 and 2025 was 31 December 1940, at -2.0 °C.

Does it snow in Sidi Okba?

Almost never: Sidi Okba sees virtually no snow, with about 1 frost days per year.

Has the climate of Sidi Okba warmed?

Yes: Sidi Okba warmed by +3.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Sidi Okba?

The wettest day measured in Sidi Okba between 1940 and 2025 was 20 November 1967, with 45 mm of rain in 24 hours.

What was the windiest day in Sidi Okba?

The windiest day measured in Sidi Okba between 1940 and 2025 was 19 February 1943, with winds reaching 52.5 km/h.

What is the warmest month in Sidi Okba?

The warmest month in Sidi Okba is July (33.9 °C on average); the coldest is January (10.8 °C).

How much does it rain in Sidi Okba?

Sidi Okba receives on average 115 mm of precipitation per year, spread over about 22 rainy days.

Is it sunny in Sidi Okba?

Sidi Okba 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 Sidi Okba?

The heaviest 24-hour snowfall measured in Sidi Okba between 1940 and 2025 was 16 January 1987, with 2.0 cm.

Are there tropical nights in Sidi Okba?

Yes: Sidi Okba has on average 142 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Sidi Okba?

In Sidi Okba, between 1940 and 2025, the highest apparent temperature reached 48.2 °C on 8 July 2008, and the lowest was -6.4 °C on 18 February 1942.

Compare Sidi Okba with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Sidi Okba

Other cities — Algeria