Deira climate — normals and trends

Q: What is the climate of Deira?

Deira has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 27.4 °C and it receives 81 mm of precipitation per year.

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

The hottest day measured in Deira between 1940 and 2025 was 18 August 1951, reaching 44.0 °C.

Q: What is the coldest day in Deira?

The coldest day measured in Deira between 1940 and 2025 was 9 February 1950, at 8.3 °C.

Q: Does it snow in Deira?

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

Q: Has the climate of Deira warmed?

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

Q: What is the wettest day in Deira?

The wettest day measured in Deira between 1940 and 2025 was 16 April 2024, with 122 mm of rain in 24 hours.

Q: What was the windiest day in Deira?

The windiest day measured in Deira between 1940 and 2025 was 3 February 2017, with winds reaching 53.4 km/h.

Q: What is the warmest month in Deira?

The warmest month in Deira is August (34.5 °C on average); the coldest is January (19.4 °C).

Q: How much does it rain in Deira?

Deira receives on average 81 mm of precipitation per year, spread over about 11 rainy days.

Q: Is it sunny in Deira?

Deira gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.

Deira (United Arab Emirates) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 27.4 °C and it receives 81 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 (34.5 °C on average) and the coldest is January (19.4 °C). Rainfall peaks in January.

Deira averages 0 frost days, 220 hot days (≥ 30 °C) and 11 rainy days per year.

Deira 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 44.0 °C (on 18 August 1951) and the coldest 8.3 °C (on 9 February 1950).

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

DeiraDubai

coords: 25.27°, 55.30°
period: 1940–2025 · 86 yrs

BWhHot desertWarmest monthAugustColdest monthJanuaryWettest monthJanuaryDriest monthJune

Mean daily temperature

27.4°C

Average daily high

31.7°C

Average daily low

23.3°C

Annual rainfall

81mm

Sunshine / day

11.3h

Mean relative humidity

61%

Average peak wind

22.1km/h

Seasonal range

15.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

220 d/yr

Rainy days (≥ 1 mm)

11 d/yr

Annual snowfall

0.0 cm

Average feels-like high

33.4 °C

Average feels-like low

25.0 °C

Average peak gust

35.0 km/h

Tropical nights (≥ 20 °C)

246 d/yr

Solar radiation

21.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.58 · 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

44.0 °C

18 August 1951

Coldest day

8.3 °C

9 February 1950

Wettest day

122 mm

16 April 2024

Windiest day

53.4 km/h

3 February 2017

Strongest gust

79.2 km/h

3 February 2017

Hottest feels-like

50.2 °C

22 July 2024

Coldest feels-like

3.9 °C

8 February 1950

Sunniest day

13.0 h

23 May 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	42.9 °C1 August 2025	13.6 °C25 January 2025	28.8 °C	40 mm	243
2024	43.2 °C9 July 2024	14.5 °C12 January 2024	28.9 °C	274 mm	228
2023	43.6 °C5 August 2023	14.0 °C31 January 2023	28.9 °C	62 mm	223
2022	42.1 °C8 August 2022	13.9 °C7 January 2022	28.8 °C	44 mm	247
2021	43.3 °C6 June 2021	12.0 °C11 January 2021	29.0 °C	3 mm	244
2020	43.1 °C31 July 2020	13.6 °C14 February 2020	28.5 °C	107 mm	226
2019	42.8 °C9 August 2019	11.7 °C7 February 2019	28.4 °C	70 mm	216
2018	43.2 °C6 July 2018	13.1 °C7 February 2018	28.7 °C	22 mm	236
2017	43.9 °C19 July 2017	13.2 °C6 February 2017	28.7 °C	65 mm	232
2016	43.1 °C4 August 2016	12.9 °C8 February 2016	28.4 °C	42 mm	216
2015	43.7 °C11 August 2015	12.2 °C22 January 2015	28.7 °C	41 mm	229
2014	43.4 °C16 August 2014	13.4 °C15 February 2014	28.1 °C	26 mm	218
2013	43.3 °C9 July 2013	11.7 °C18 January 2013	28.0 °C	50 mm	221
2012	43.6 °C5 August 2012	13.3 °C26 January 2012	28.3 °C	23 mm	226
2011	43.1 °C17 July 2011	13.9 °C1 January 2011	28.3 °C	26 mm	232
2010	43.3 °C5 August 2010	13.5 °C11 February 2010	28.7 °C	66 mm	238
2009	41.9 °C25 July 2009	12.4 °C16 January 2009	28.0 °C	90 mm	233
2008	43.3 °C15 July 2008	10.6 °C7 February 2008	27.7 °C	64 mm	231
2007	42.9 °C31 July 2007	12.1 °C6 January 2007	28.2 °C	13 mm	232
2006	42.9 °C18 August 2006	13.4 °C27 December 2006	28.1 °C	95 mm	223
2005	44.0 °C17 August 2005	12.9 °C22 January 2005	28.0 °C	58 mm	228
2004	42.9 °C20 July 2004	12.7 °C31 December 2004	28.1 °C	38 mm	232
2003	43.1 °C22 August 2003	12.7 °C3 January 2003	28.2 °C	20 mm	232
2002	42.9 °C2 August 2002	12.6 °C27 January 2002	28.2 °C	12 mm	227
2001	43.4 °C31 July 2001	11.4 °C30 January 2001	28.0 °C	7 mm	228
2000	43.1 °C19 July 2000	14.1 °C16 January 2000	27.9 °C	19 mm	228
1999	43.7 °C15 August 1999	13.1 °C6 January 1999	28.4 °C	38 mm	232
1998	43.3 °C14 August 1998	12.5 °C20 January 1998	28.3 °C	95 mm	232
1997	42.1 °C16 June 1997	13.0 °C29 January 1997	27.0 °C	253 mm	207
1996	42.6 °C7 July 1996	12.4 °C10 December 1996	27.4 °C	172 mm	210
1995	42.1 °C16 August 1995	13.0 °C29 January 1995	27.1 °C	179 mm	212
1994	41.6 °C12 August 1994	11.6 °C28 December 1994	27.3 °C	15 mm	221
1993	43.1 °C20 July 1993	11.7 °C16 January 1993	27.2 °C	117 mm	211
1992	40.5 °C15 August 1992	9.5 °C30 January 1992	26.2 °C	173 mm	206
1991	41.3 °C23 July 1991	10.3 °C17 February 1991	26.5 °C	26 mm	203
1990	42.7 °C22 July 1990	10.9 °C21 January 1990	27.4 °C	111 mm	222
1989	43.1 °C20 August 1989	10.5 °C16 January 1989	27.0 °C	92 mm	222
1988	42.2 °C15 July 1988	11.2 °C30 December 1988	27.5 °C	112 mm	219
1987	43.5 °C14 August 1987	12.5 °C18 January 1987	27.5 °C	63 mm	215
1986	42.0 °C6 August 1986	11.7 °C3 January 1986	27.4 °C	75 mm	214
1985	42.8 °C12 August 1985	12.6 °C26 February 1985	27.5 °C	7 mm	217
1984	42.2 °C5 July 1984	10.0 °C3 February 1984	27.0 °C	42 mm	229
1983	43.2 °C13 July 1983	10.7 °C23 January 1983	26.3 °C	127 mm	200
1982	43.7 °C20 July 1982	11.6 °C4 February 1982	26.4 °C	178 mm	199
1981	42.7 °C29 July 1981	13.7 °C6 February 1981	27.3 °C	20 mm	223
1980	42.6 °C23 July 1980	11.7 °C20 January 1980	27.4 °C	29 mm	230
1979	43.6 °C22 July 1979	10.3 °C29 January 1979	27.1 °C	98 mm	223
1978	42.5 °C10 June 1978	12.5 °C2 February 1978	27.0 °C	28 mm	215
1977	43.7 °C7 August 1977	12.0 °C10 February 1977	27.3 °C	56 mm	218
1976	42.2 °C3 August 1976	10.6 °C20 January 1976	26.5 °C	165 mm	198
1975	42.4 °C22 June 1975	10.7 °C16 February 1975	26.8 °C	37 mm	209
1974	42.7 °C26 June 1974	9.6 °C22 February 1974	26.8 °C	69 mm	214
1973	42.2 °C15 August 1973	10.1 °C7 January 1973	26.9 °C	24 mm	218
1972	41.8 °C8 August 1972	9.4 °C13 February 1972	26.3 °C	193 mm	193
1971	42.6 °C14 July 1971	11.8 °C24 December 1971	26.5 °C	30 mm	205
1970	41.6 °C20 June 1970	12.2 °C30 January 1970	27.0 °C	41 mm	220
1969	41.3 °C20 August 1969	12.6 °C7 February 1969	26.9 °C	171 mm	217
1968	42.5 °C20 July 1968	10.7 °C7 February 1968	26.3 °C	90 mm	209
1967	42.1 °C26 August 1967	10.6 °C29 December 1967	26.6 °C	26 mm	202
1966	42.7 °C2 August 1966	12.8 °C3 January 1966	27.0 °C	57 mm	207
1965	42.4 °C28 July 1965	11.1 °C2 January 1965	26.5 °C	178 mm	204
1964	42.1 °C26 July 1964	10.1 °C3 February 1964	26.4 °C	108 mm	213
1963	42.8 °C29 July 1963	10.6 °C30 December 1963	26.9 °C	91 mm	210
1962	43.8 °C9 July 1962	11.0 °C26 January 1962	27.3 °C	26 mm	227
1961	43.8 °C16 August 1961	12.0 °C19 January 1961	26.9 °C	48 mm	198
1960	42.8 °C28 June 1960	12.0 °C6 February 1960	26.9 °C	40 mm	216
1959	41.6 °C23 May 1959	10.9 °C6 February 1959	26.4 °C	99 mm	209
1958	42.4 °C3 August 1958	11.8 °C1 January 1958	27.1 °C	65 mm	217
1957	42.7 °C7 July 1957	10.2 °C31 December 1957	26.5 °C	243 mm	199
1956	42.5 °C8 August 1956	11.7 °C4 January 1956	26.8 °C	17 mm	210
1955	42.7 °C21 August 1955	10.8 °C6 February 1955	26.8 °C	135 mm	219
1954	43.3 °C17 August 1954	12.6 °C11 January 1954	27.5 °C	75 mm	233
1953	43.0 °C24 July 1953	11.4 °C4 January 1953	27.6 °C	141 mm	232
1952	43.4 °C18 August 1952	11.1 °C7 January 1952	27.2 °C	80 mm	216
1951	44.0 °C18 August 1951	11.7 °C31 January 1951	27.3 °C	92 mm	217
1950	41.5 °C29 August 1950	8.3 °C9 February 1950	26.5 °C	51 mm	213
1949	42.5 °C28 June 1949	8.5 °C3 January 1949	26.7 °C	161 mm	219
1948	42.9 °C23 August 1948	12.5 °C26 January 1948	27.3 °C	158 mm	211
1947	42.5 °C17 July 1947	11.6 °C22 February 1947	27.2 °C	138 mm	221
1946	43.3 °C17 August 1946	11.6 °C15 January 1946	26.7 °C	20 mm	225
1945	43.4 °C25 August 1945	11.9 °C30 January 1945	26.8 °C	51 mm	224
1944	42.8 °C2 September 1944	10.9 °C17 February 1944	27.2 °C	202 mm	235
1943	42.6 °C15 August 1943	9.1 °C10 February 1943	26.7 °C	206 mm	212
1942	43.5 °C30 July 1942	9.7 °C12 January 1942	27.1 °C	138 mm	241
1941	41.4 °C14 July 1941	11.2 °C6 January 1941	27.3 °C	12 mm	218
1940	42.5 °C31 July 1940	11.5 °C26 December 1940	27.0 °C	20 mm	219

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

32.8 °C

+1.1 °C

Hot days (≥ 30 °C)

243 d/yr

+23

Frost days (< 0 °C)

0 d/yr

Annual rainfall

40 mm

-42 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	23.7 °C	+0.8 °C	2 mm	-17 mm
Feb	25.1 °C	+1.2 °C	3 mm	-12 mm
Mar	28.5 °C	+1.6 °C	1 mm	-15 mm
Apr	33.7 °C	+2.8 °C	0 mm	-8 mm
May	36.5 °C	+1.5 °C	0 mm	-1 mm
Jun	37.8 °C	+0.5 °C	0 mm	-0 mm
Jul	39.5 °C	+0.7 °C	0 mm	-1 mm
Aug	39.9 °C	+0.7 °C	0 mm	-0 mm
Sep	37.9 °C	+0.5 °C	0 mm	-0 mm
Oct	34.2 °C	+0.2 °C	0 mm	-1 mm
Nov	30.3 °C	+0.9 °C	0 mm	-4 mm
Dec	26.1 °C	+1.1 °C	34 mm	+18 mm

The year's extremes

Hottest day

42.9 °C

1 Aug 2025

Coldest day

13.6 °C

25 Jan 2025

Wettest day

26.5 mm

19 Dec 2025

Windiest day

40.5 km/h

25 Feb 2025

Strongest gust

60.5 km/h

7 May 2025

Hottest feels-like

49.4 °C

21 Jul 2025

Coldest feels-like

11.2 °C

25 Jan 2025

Sunniest day

13.0 h

24 May 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 Deira?

Deira has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 27.4 °C and it receives 81 mm of precipitation per year.

What is the hottest day ever recorded in Deira?

The hottest day measured in Deira between 1940 and 2025 was 18 August 1951, reaching 44.0 °C.

What is the coldest day in Deira?

The coldest day measured in Deira between 1940 and 2025 was 9 February 1950, at 8.3 °C.

Does it snow in Deira?

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

Has the climate of Deira warmed?

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

What is the wettest day in Deira?

The wettest day measured in Deira between 1940 and 2025 was 16 April 2024, with 122 mm of rain in 24 hours.

What was the windiest day in Deira?

The windiest day measured in Deira between 1940 and 2025 was 3 February 2017, with winds reaching 53.4 km/h.

What is the warmest month in Deira?

The warmest month in Deira is August (34.5 °C on average); the coldest is January (19.4 °C).

How much does it rain in Deira?

Deira receives on average 81 mm of precipitation per year, spread over about 11 rainy days.

Is it sunny in Deira?

Deira gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.

Are there tropical nights in Deira?

Yes: Deira has on average 246 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Deira?

In Deira, between 1940 and 2025, the highest apparent temperature reached 50.2 °C on 22 July 2024, and the lowest was 3.9 °C on 8 February 1950.

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