As Sawānī climate — normals and trends

As Sawānī (Libya) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 20.3 °C and it receives 178 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 August (27.8 °C on average) and the coldest is January (12.4 °C). Rainfall peaks in December.

As Sawānī averages 0 frost days, 114 hot days (≥ 30 °C) and 38 rainy days per year.

As Sawānī has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.

The hottest day of the period reached 46.6 °C (on 19 August 1945) and the coldest 1.4 °C (on 7 January 1941).

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

As SawānīAl Jafarah

coords
32.72°, 13.07°
period
19402025 · 86 yrs
BWhHot desertWarmest monthAugustColdest monthJanuaryWettest monthDecemberDriest monthJuly

Mean daily temperature

20.3°C

Average daily high

25.5°C

Average daily low

16.1°C

Annual rainfall

178mm

Sunshine / day

11.0h

Mean relative humidity

63%

Average peak wind

19.5km/h

Seasonal range

15.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

114 d/yr

Rainy days (≥ 1 mm)

38 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.3 °C

Average feels-like low

15.3 °C

Average peak gust

36.4 km/h

Tropical nights (≥ 20 °C)

116 d/yr

Solar radiation

19.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.56 · 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

46.6 °C

19 August 1945

Coldest day

1.4 °C

7 January 1941

Wettest day

85 mm

20 October 1974

Windiest day

54.6 km/h

5 April 1994

Strongest gust

97.6 km/h

5 April 1994

Hottest feels-like

47.8 °C

18 August 2022

Coldest feels-like

-4.4 °C

19 December 1940

Snowiest day

0.1 cm

18 February 1979

Sunniest day

13.9 h

16 June 2025

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202543.2 °C25 July 20258.0 °C17 February 202522.0 °C116 mm1460
202443.1 °C10 June 20248.2 °C1 February 202422.4 °C156 mm1420
202344.3 °C25 July 20236.9 °C25 January 202321.2 °C129 mm1130
202243.3 °C18 August 20226.2 °C28 January 202221.4 °C137 mm1280
202141.0 °C23 June 20215.7 °C5 January 202121.7 °C58 mm1240
202043.4 °C14 May 20206.0 °C8 February 202021.5 °C152 mm1210
201942.5 °C12 June 20195.1 °C17 February 201921.1 °C210 mm1260
201840.3 °C23 July 20186.3 °C30 December 201821.5 °C146 mm1220
201742.1 °C29 June 20174.2 °C19 January 201720.6 °C210 mm1060
201644.7 °C16 June 20166.1 °C20 February 201621.9 °C77 mm1310
201541.6 °C13 June 20155.6 °C1 January 201520.9 °C164 mm1280
201442.5 °C22 September 20146.2 °C31 December 201421.7 °C169 mm1390
201342.2 °C6 June 20135.6 °C27 February 201321.6 °C141 mm1330
201241.6 °C14 August 20123.5 °C9 February 201221.4 °C101 mm1600
201145.3 °C22 July 20117.0 °C9 March 201120.9 °C174 mm1150
201041.5 °C12 June 20106.0 °C18 December 201021.9 °C109 mm1220
200941.2 °C7 July 20096.6 °C17 February 200921.2 °C122 mm1210
200843.6 °C13 July 20085.3 °C19 February 200821.3 °C169 mm1330
200743.0 °C22 August 20075.9 °C19 December 200721.3 °C180 mm1230
200641.4 °C23 June 20065.2 °C7 January 200621.1 °C199 mm1220
200541.9 °C26 July 20054.8 °C19 February 200520.8 °C162 mm1080
200439.9 °C10 August 20045.0 °C2 February 200420.9 °C134 mm1300
200342.5 °C30 June 20035.9 °C8 February 200321.2 °C170 mm1360
200242.8 °C14 July 20024.8 °C9 January 200221.0 °C220 mm1150
200141.5 °C19 July 20016.2 °C5 February 200121.3 °C149 mm1260
200043.0 °C11 July 20005.0 °C23 February 200020.6 °C122 mm1070
199943.0 °C8 June 19992.8 °C2 February 199921.6 °C190 mm1370
199840.8 °C5 September 19986.3 °C24 January 199820.5 °C193 mm1150
199744.0 °C24 July 19976.1 °C30 December 199720.5 °C209 mm1060
199642.8 °C22 August 19965.3 °C29 December 199620.6 °C170 mm920
199544.2 °C26 June 19955.6 °C7 January 199520.4 °C240 mm940
199439.4 °C18 August 19946.6 °C1 February 199420.8 °C211 mm1230
199342.6 °C3 July 19935.3 °C31 January 199320.5 °C109 mm1140
199240.4 °C6 July 19925.0 °C7 January 199219.8 °C108 mm920
199140.7 °C31 July 19915.4 °C17 February 199119.7 °C218 mm970
199041.5 °C20 June 19906.1 °C8 December 199020.8 °C145 mm1270
198940.7 °C8 September 19896.2 °C7 March 198920.3 °C107 mm1020
198844.4 °C1 July 19885.3 °C11 March 198820.6 °C243 mm1190
198743.3 °C15 June 19874.6 °C10 January 198720.3 °C115 mm1160
198639.4 °C14 July 19864.8 °C3 February 198619.8 °C239 mm930
198541.1 °C19 June 19854.0 °C11 January 198520.3 °C105 mm1010
198441.1 °C24 August 19843.7 °C21 February 198419.7 °C193 mm980
198343.2 °C30 August 19835.0 °C6 February 198319.8 °C131 mm970
198241.3 °C24 June 19825.1 °C16 March 198220.3 °C212 mm1150
198143.3 °C3 July 19812.8 °C10 January 198120.1 °C159 mm1160
198042.1 °C27 June 19804.8 °C11 January 198019.4 °C155 mm890
197941.3 °C3 July 19793.7 °C18 February 197919.9 °C181 mm1040
197843.6 °C15 June 19785.3 °C3 January 197819.8 °C161 mm920
197743.8 °C8 July 19775.6 °C24 December 197720.5 °C150 mm970
197640.7 °C14 September 19762.9 °C30 January 197619.2 °C372 mm930
197540.0 °C16 June 19755.5 °C4 December 197519.5 °C212 mm860
197442.7 °C26 June 19745.3 °C11 February 197419.3 °C423 mm850
197342.8 °C15 July 19734.6 °C3 March 197319.7 °C216 mm1180
197242.0 °C14 June 19725.4 °C16 January 197219.7 °C282 mm860
197141.9 °C18 June 19714.8 °C4 January 197119.6 °C215 mm960
197041.7 °C17 June 19704.0 °C1 March 197019.8 °C73 mm880
196941.7 °C19 June 19695.4 °C6 January 196920.0 °C201 mm860
196843.4 °C11 August 19684.3 °C30 January 196820.1 °C146 mm990
196741.1 °C17 June 19673.5 °C20 January 196719.2 °C193 mm920
196643.8 °C27 July 19664.5 °C31 January 196620.0 °C209 mm1050
196542.5 °C1 August 19653.7 °C11 February 196519.6 °C167 mm1100
196444.9 °C15 August 19644.0 °C29 December 196420.0 °C283 mm1220
196337.9 °C9 August 19634.1 °C30 January 196319.5 °C189 mm780
196240.5 °C1 June 19624.2 °C31 January 196219.3 °C276 mm630
196140.7 °C28 May 19615.4 °C2 January 196119.3 °C181 mm780
196043.1 °C12 August 19604.2 °C15 January 196020.3 °C148 mm1100
195943.2 °C5 August 19594.7 °C20 January 195919.3 °C131 mm890
195842.7 °C10 June 19583.5 °C26 January 195820.0 °C99 mm1080
195742.8 °C24 June 19573.4 °C5 March 195719.4 °C264 mm910
195645.1 °C21 July 19563.3 °C4 February 195619.6 °C143 mm1080
195545.8 °C2 August 19555.5 °C17 March 195521.0 °C193 mm1220
195445.2 °C5 July 19544.2 °C2 January 195419.5 °C161 mm980
195342.5 °C30 June 19532.4 °C24 January 195319.9 °C232 mm1380
195241.9 °C26 July 19523.7 °C22 January 195220.6 °C120 mm1420
195144.0 °C26 June 19514.5 °C20 December 195120.2 °C224 mm1150
195040.4 °C8 August 19504.0 °C21 January 195019.7 °C228 mm1260
194941.2 °C16 June 19494.7 °C6 March 194919.7 °C192 mm1230
194844.1 °C11 July 19484.6 °C24 January 194820.0 °C167 mm1210
194743.2 °C1 September 19474.8 °C27 December 194720.9 °C137 mm1420
194641.8 °C24 August 19463.6 °C26 February 194620.9 °C156 mm1560
194546.6 °C19 August 19452.8 °C3 January 194520.1 °C204 mm1410
194445.5 °C10 August 19442.2 °C10 January 194419.5 °C223 mm1330
194343.3 °C7 July 19434.1 °C3 January 194319.9 °C242 mm1290
194246.1 °C18 June 19422.3 °C13 January 194220.0 °C195 mm1320
194145.4 °C4 August 19411.4 °C7 January 194119.7 °C158 mm1240
194043.9 °C23 June 19401.9 °C19 December 194019.6 °C178 mm1310

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
27.2 °C
+1.7 °C
Hot days (≥ 30 °C)
146 d/yr
+32
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
116 mm
-62 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan18.5 °C+1.9 °C16 mm-14 mm
Feb19.6 °C+1.4 °C7 mm-15 mm
Mar25.6 °C+4.8 °C21 mm+2 mm
Apr25.4 °C+0.9 °C10 mm-1 mm
May29.0 °C+0.9 °C7 mm+3 mm
Jun33.0 °C+1.4 °C0 mm-1 mm
Jul35.4 °C+2.5 °C0 mm-0 mm
Aug34.2 °C+0.7 °C0 mm-1 mm
Sep32.6 °C+1.0 °C6 mm-4 mm
Oct28.7 °C+1.1 °C21 mm-2 mm
Nov24.0 °C+1.5 °C5 mm-20 mm
Dec19.7 °C+1.8 °C23 mm-9 mm

The year's extremes

Hottest day
43.2 °C
25 Jul 2025
Coldest day
8.0 °C
17 Feb 2025
Wettest day
15.3 mm
19 Oct 2025
Windiest day
36.9 km/h
21 Apr 2025
Strongest gust
69.1 km/h
29 Jan 2025
Hottest feels-like
45.9 °C
24 Jul 2025
Coldest feels-like
3.9 °C
28 Nov 2025
Sunniest day
13.9 h
16 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 As Sawānī?

As Sawānī has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 20.3 °C and it receives 178 mm of precipitation per year.

What is the hottest day ever recorded in As Sawānī?

The hottest day measured in As Sawānī between 1940 and 2025 was 19 August 1945, reaching 46.6 °C.

What is the coldest day in As Sawānī?

The coldest day measured in As Sawānī between 1940 and 2025 was 7 January 1941, at 1.4 °C.

Does it snow in As Sawānī?

Almost never: As Sawānī sees virtually no snow, with about 0 frost days per year.

Has the climate of As Sawānī warmed?

Yes: As Sawānī warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in As Sawānī?

The wettest day measured in As Sawānī between 1940 and 2025 was 20 October 1974, with 85 mm of rain in 24 hours.

What was the windiest day in As Sawānī?

The windiest day measured in As Sawānī between 1940 and 2025 was 5 April 1994, with winds reaching 54.6 km/h.

What is the warmest month in As Sawānī?

The warmest month in As Sawānī is August (27.8 °C on average); the coldest is January (12.4 °C).

How much does it rain in As Sawānī?

As Sawānī receives on average 178 mm of precipitation per year, spread over about 38 rainy days.

Is it sunny in As Sawānī?

As Sawānī 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 As Sawānī?

The heaviest 24-hour snowfall measured in As Sawānī between 1940 and 2025 was 18 February 1979, with 0.1 cm.

Are there tropical nights in As Sawānī?

Yes: As Sawānī has on average 116 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in As Sawānī?

In As Sawānī, between 1940 and 2025, the highest apparent temperature reached 47.8 °C on 18 August 2022, and the lowest was -4.4 °C on 19 December 1940.

Compare As Sawānī with another city

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

Nearby cities

The climate around As Sawānī

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