Laï climate — normals and trends

Q: What is the climate of Laï?

Laï has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 27.9 °C and it receives 811 mm of precipitation per year.

Q: What is the hottest day ever recorded in Laï?

The hottest day measured in Laï between 1940 and 2025 was 10 March 2016, reaching 45.5 °C.

Q: What is the coldest day in Laï?

The coldest day measured in Laï between 1940 and 2025 was 13 January 2002, at 12.2 °C.

Q: Does it snow in Laï?

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

Q: Has the climate of Laï warmed?

Yes: Laï warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Laï?

The wettest day measured in Laï between 1940 and 2025 was 31 May 1987, with 139 mm of rain in 24 hours.

Q: What was the windiest day in Laï?

The windiest day measured in Laï between 1940 and 2025 was 10 May 1967, with winds reaching 34.3 km/h.

Q: What is the warmest month in Laï?

The warmest month in Laï is April (32.9 °C on average); the coldest is August (25.2 °C).

Q: How much does it rain in Laï?

Laï receives on average 811 mm of precipitation per year, spread over about 116 rainy days.

Q: Is it sunny in Laï?

Laï gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.

Laï (Chad) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 27.9 °C and it receives 811 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 April (32.9 °C on average) and the coldest is August (25.2 °C). Rainfall peaks in August.

Laï averages 0 frost days, 309 hot days (≥ 30 °C) and 116 rainy days per year.

Laï has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.

The hottest day of the period reached 45.5 °C (on 10 March 2016) and the coldest 12.2 °C (on 13 January 2002).

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

LaïTandjilé Region

coords: 9.40°, 16.30°
period: 1940–2025 · 86 yrs

BShHot semi-aridWarmest monthAprilColdest monthAugustWettest monthAugustDriest monthJanuary

Mean daily temperature

27.9°C

Average daily high

34.3°C

Average daily low

22.5°C

Annual rainfall

811mm

Sunshine / day

10.7h

Mean relative humidity

51%

Average peak wind

13.4km/h

Seasonal range

7.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

309 d/yr

Rainy days (≥ 1 mm)

116 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.6 °C

Average feels-like low

23.1 °C

Average peak gust

29.3 km/h

Tropical nights (≥ 20 °C)

289 d/yr

Solar radiation

21.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.9 °C

since 1940

+0.1 °C per decade · r² = 0.17 · p = < 0.001

19402025

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

45.5 °C

10 March 2016

Coldest day

12.2 °C

13 January 2002

Wettest day

139 mm

31 May 1987

Windiest day

34.3 km/h

10 May 1967

Strongest gust

64.4 km/h

5 April 1967

Hottest feels-like

47.1 °C

19 April 2010

Coldest feels-like

8.2 °C

19 January 1968

Sunniest day

12.0 h

19 March 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	43.2 °C30 March 2025	13.8 °C17 December 2025	28.3 °C	708 mm	329
2024	44.7 °C29 March 2024	14.2 °C26 December 2024	28.8 °C	805 mm	332
2023	42.9 °C7 March 2023	15.6 °C13 January 2023	28.6 °C	679 mm	340
2022	44.2 °C7 March 2022	15.1 °C30 December 2022	28.1 °C	722 mm	320
2021	43.2 °C6 April 2021	16.0 °C9 February 2021	29.1 °C	532 mm	340
2020	44.0 °C3 April 2020	14.4 °C3 January 2020	28.6 °C	570 mm	329
2019	43.8 °C6 April 2019	15.4 °C10 December 2019	28.6 °C	932 mm	330
2018	43.0 °C27 March 2018	13.9 °C5 January 2018	28.7 °C	731 mm	334
2017	43.2 °C22 March 2017	16.0 °C11 January 2017	28.6 °C	679 mm	325
2016	45.5 °C10 March 2016	15.2 °C31 January 2016	28.7 °C	767 mm	342
2015	43.6 °C1 May 2015	13.2 °C12 January 2015	28.8 °C	605 mm	335
2014	43.4 °C23 March 2014	15.1 °C27 December 2014	28.4 °C	742 mm	335
2013	42.9 °C27 February 2013	14.2 °C16 December 2013	28.6 °C	702 mm	320
2012	43.2 °C3 April 2012	14.0 °C9 January 2012	27.8 °C	871 mm	318
2011	42.9 °C24 March 2011	13.7 °C28 November 2011	28.0 °C	775 mm	327
2010	44.8 °C20 April 2010	14.1 °C30 December 2010	28.6 °C	895 mm	317
2009	43.0 °C7 March 2009	14.1 °C27 December 2009	28.4 °C	623 mm	341
2008	42.6 °C25 March 2008	15.4 °C22 January 2008	27.7 °C	759 mm	319
2007	43.5 °C22 March 2007	14.6 °C15 January 2007	28.4 °C	788 mm	317
2006	43.1 °C28 February 2006	13.4 °C31 December 2006	28.5 °C	725 mm	320
2005	43.5 °C25 February 2005	15.0 °C8 January 2005	28.8 °C	825 mm	323
2004	43.4 °C25 March 2004	16.3 °C21 December 2004	28.1 °C	694 mm	322
2003	42.9 °C8 April 2003	14.3 °C8 December 2003	28.2 °C	902 mm	314
2002	41.9 °C7 April 2002	12.2 °C13 January 2002	28.1 °C	653 mm	326
2001	42.2 °C13 April 2001	12.8 °C6 January 2001	27.7 °C	822 mm	311
2000	42.2 °C11 April 2000	14.4 °C15 December 2000	27.3 °C	827 mm	316
1999	42.6 °C20 March 1999	13.7 °C10 January 1999	27.6 °C	1,009 mm	289
1998	44.2 °C11 April 1998	14.0 °C15 January 1998	28.4 °C	884 mm	321
1997	41.6 °C23 March 1997	15.1 °C25 January 1997	27.6 °C	764 mm	345
1996	42.3 °C7 April 1996	13.1 °C20 December 1996	27.7 °C	1,105 mm	312
1995	42.9 °C17 March 1995	15.6 °C13 January 1995	27.8 °C	887 mm	319
1994	43.2 °C8 March 1994	14.9 °C17 January 1994	27.9 °C	1,071 mm	303
1993	42.5 °C4 March 1993	14.2 °C7 January 1993	28.0 °C	703 mm	327
1992	43.6 °C27 March 1992	13.8 °C5 January 1992	27.5 °C	896 mm	304
1991	42.9 °C31 March 1991	14.2 °C21 December 1991	28.1 °C	776 mm	317
1990	43.2 °C8 April 1990	16.4 °C3 January 1990	28.7 °C	653 mm	342
1989	41.0 °C8 April 1989	12.5 °C21 January 1989	26.9 °C	763 mm	308
1988	42.9 °C1 March 1988	16.3 °C28 December 1988	27.5 °C	1,077 mm	290
1987	43.1 °C14 April 1987	15.4 °C1 January 1987	28.2 °C	927 mm	323
1986	43.0 °C16 April 1986	12.5 °C8 December 1986	27.8 °C	798 mm	300
1985	43.6 °C19 March 1985	16.3 °C31 December 1985	27.5 °C	1,047 mm	280
1984	42.0 °C30 March 1984	14.3 °C25 January 1984	27.7 °C	822 mm	321
1983	43.2 °C17 April 1983	13.7 °C4 January 1983	27.7 °C	575 mm	315
1982	42.6 °C17 March 1982	13.6 °C27 November 1982	27.1 °C	819 mm	303
1981	41.9 °C19 April 1981	15.5 °C14 January 1981	27.0 °C	969 mm	297
1980	42.6 °C22 March 1980	12.8 °C27 December 1980	27.5 °C	1,046 mm	294
1979	42.4 °C17 March 1979	15.4 °C31 January 1979	27.5 °C	887 mm	306
1978	41.3 °C9 March 1978	13.1 °C11 January 1978	27.3 °C	999 mm	305
1977	43.7 °C21 April 1977	13.0 °C26 December 1977	27.5 °C	899 mm	315
1976	40.5 °C27 March 1976	13.7 °C2 January 1976	27.2 °C	892 mm	310
1975	42.3 °C15 March 1975	13.6 °C12 December 1975	27.1 °C	1,070 mm	289
1974	41.5 °C23 March 1974	14.0 °C30 December 1974	27.3 °C	968 mm	289
1973	43.8 °C22 March 1973	14.9 °C23 December 1973	28.6 °C	745 mm	327
1972	43.0 °C28 March 1972	14.6 °C8 January 1972	28.1 °C	691 mm	328
1971	42.8 °C14 March 1971	12.7 °C25 December 1971	27.6 °C	731 mm	303
1970	42.5 °C7 April 1970	12.9 °C3 December 1970	27.6 °C	810 mm	301
1969	42.5 °C5 April 1969	14.5 °C23 December 1969	27.6 °C	1,042 mm	308
1968	42.4 °C7 April 1968	12.4 °C19 January 1968	27.4 °C	723 mm	308
1967	42.8 °C3 April 1967	13.6 °C27 January 1967	27.1 °C	789 mm	299
1966	43.2 °C5 May 1966	14.0 °C5 January 1966	29.2 °C	406 mm	343
1965	42.7 °C24 April 1965	14.6 °C18 December 1965	29.0 °C	403 mm	349
1964	42.9 °C1 April 1964	15.5 °C13 January 1964	28.7 °C	504 mm	313
1963	42.4 °C25 March 1963	14.3 °C9 December 1963	28.2 °C	613 mm	320
1962	40.8 °C8 March 1962	14.5 °C5 January 1962	27.8 °C	663 mm	293
1961	41.9 °C17 April 1961	15.4 °C28 December 1961	27.6 °C	754 mm	286
1960	43.1 °C29 March 1960	16.7 °C24 January 1960	28.2 °C	698 mm	305
1959	42.5 °C15 March 1959	15.5 °C29 December 1959	28.2 °C	572 mm	318
1958	41.7 °C29 March 1958	15.7 °C8 January 1958	27.6 °C	940 mm	268
1957	40.8 °C6 May 1957	13.8 °C12 January 1957	26.8 °C	974 mm	262
1956	41.7 °C11 May 1956	15.9 °C6 January 1956	27.5 °C	1,026 mm	265
1955	41.9 °C26 April 1955	15.4 °C10 December 1955	27.0 °C	992 mm	250
1954	40.5 °C30 April 1954	14.5 °C15 January 1954	27.2 °C	879 mm	253
1953	42.1 °C23 April 1953	13.6 °C23 December 1953	26.8 °C	1,243 mm	253
1952	41.3 °C28 March 1952	16.2 °C6 January 1952	27.5 °C	1,088 mm	286
1951	41.8 °C12 March 1951	15.1 °C27 December 1951	27.5 °C	949 mm	299
1950	41.4 °C1 March 1950	15.9 °C21 November 1950	27.2 °C	968 mm	277
1949	42.5 °C29 April 1949	16.2 °C8 February 1949	28.9 °C	387 mm	334
1948	41.0 °C28 March 1948	13.9 °C22 December 1948	26.9 °C	1,021 mm	268
1947	41.3 °C31 March 1947	15.9 °C8 December 1947	26.9 °C	1,219 mm	230
1946	42.8 °C10 March 1946	15.4 °C13 January 1946	27.3 °C	985 mm	258
1945	41.5 °C9 April 1945	14.8 °C9 February 1945	27.2 °C	817 mm	284
1944	42.4 °C14 March 1944	15.0 °C1 December 1944	27.5 °C	953 mm	271
1943	41.4 °C14 March 1943	17.2 °C19 November 1943	29.0 °C	462 mm	309
1942	42.0 °C27 March 1942	18.2 °C22 January 1942	28.1 °C	830 mm	279
1941	42.7 °C29 March 1941	16.3 °C25 January 1941	28.9 °C	619 mm	335
1940	40.4 °C9 April 1940	16.8 °C10 January 1940	28.1 °C	590 mm	343

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?

Year

Across the whole year

Average daily high

35.2 °C

+0.9 °C

Hot days (≥ 30 °C)

329 d/yr

+20

Frost days (< 0 °C)

0 d/yr

Annual rainfall

708 mm

-104 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	35.4 °C	+1.0 °C	0 mm	0 mm
Feb	37.9 °C	+0.8 °C	0 mm	0 mm
Mar	41.6 °C	+2.1 °C	0 mm	-3 mm
Apr	40.1 °C	+0.7 °C	9 mm	-9 mm
May	37.9 °C	+1.2 °C	3 mm	-54 mm
Jun	34.5 °C	+1.2 °C	59 mm	-40 mm
Jul	30.4 °C	+0.1 °C	284 mm	+92 mm
Aug	29.4 °C	+0.1 °C	232 mm	+1 mm
Sep	30.7 °C	+0.5 °C	95 mm	-59 mm
Oct	33.0 °C	+0.3 °C	25 mm	-28 mm
Nov	35.9 °C	+1.2 °C	0 mm	-4 mm
Dec	36.0 °C	+1.9 °C	0 mm	-0 mm

The year's extremes

Hottest day

43.2 °C

30 Mar 2025

Coldest day

13.8 °C

17 Dec 2025

Wettest day

38.1 mm

29 Jun 2025

Windiest day

27.5 km/h

15 May 2025

Strongest gust

54.4 km/h

5 Oct 2025

Hottest feels-like

46.0 °C

23 Apr 2025

Coldest feels-like

10.8 °C

11 Jan 2025

Sunniest day

12.0 h

21 Mar 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 Laï?

Laï has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 27.9 °C and it receives 811 mm of precipitation per year.

What is the hottest day ever recorded in Laï?

The hottest day measured in Laï between 1940 and 2025 was 10 March 2016, reaching 45.5 °C.

What is the coldest day in Laï?

The coldest day measured in Laï between 1940 and 2025 was 13 January 2002, at 12.2 °C.

Does it snow in Laï?

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

Has the climate of Laï warmed?

Yes: Laï warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Laï?

The wettest day measured in Laï between 1940 and 2025 was 31 May 1987, with 139 mm of rain in 24 hours.

What was the windiest day in Laï?

The windiest day measured in Laï between 1940 and 2025 was 10 May 1967, with winds reaching 34.3 km/h.

What is the warmest month in Laï?

The warmest month in Laï is April (32.9 °C on average); the coldest is August (25.2 °C).

How much does it rain in Laï?

Laï receives on average 811 mm of precipitation per year, spread over about 116 rainy days.

Is it sunny in Laï?

Laï gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.

Are there tropical nights in Laï?

Yes: Laï has on average 289 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Laï?

In Laï, between 1940 and 2025, the highest apparent temperature reached 47.1 °C on 19 April 2010, and the lowest was 8.2 °C on 19 January 1968.

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