Delmas climate — normals and trends

Delmas (Haiti) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 22.5 °C and it receives 1,714 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 (24.1 °C on average) and the coldest is January (20.8 °C). Rainfall peaks in May.

Delmas averages 0 frost days, 8 hot days (≥ 30 °C) and 224 rainy days per year.

Delmas has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.8 °C (on 12 July 2023) and the coldest 9.9 °C (on 15 January 1956).

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

DelmasOuest

coords
18.54°, -72.30°
period
19402025 · 86 yrs
AwTropical savannaWarmest monthJulyColdest monthJanuaryWettest monthMayDriest monthJanuary

Mean daily temperature

22.5°C

Average daily high

26.9°C

Average daily low

19.0°C

Annual rainfall

1,714mm

Sunshine / day

11.2h

Mean relative humidity

81%

Average peak wind

6.3km/h

Seasonal range

3.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

8 d/yr

Rainy days (≥ 1 mm)

224 d/yr

Annual snowfall

0.0 cm

Average feels-like high

31.1 °C

Average feels-like low

21.5 °C

Average peak gust

28.0 km/h

Tropical nights (≥ 20 °C)

127 d/yr

Solar radiation

20.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.5 °C

since 1940

+0.2 °C per decade · r² = 0.64 · 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

34.8 °C

12 July 2023

Coldest day

9.9 °C

15 January 1956

Wettest day

265 mm

22 May 1948

Windiest day

27.1 km/h

5 August 1980

Strongest gust

143.3 km/h

5 August 1980

Hottest feels-like

39.9 °C

12 July 2023

Coldest feels-like

8.6 °C

7 January 1956

Sunniest day

12.8 h

18 June 1959

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202532.2 °C24 July 202515.3 °C18 March 202523.8 °C1,549 mm270
202432.2 °C21 August 202413.1 °C11 February 202424.1 °C1,543 mm340
202334.8 °C12 July 202312.2 °C18 January 202323.9 °C1,459 mm570
202231.4 °C9 August 202213.7 °C14 December 202223.1 °C1,487 mm140
202131.2 °C11 July 202114.0 °C2 January 202123.2 °C1,551 mm160
202032.3 °C29 July 202015.3 °C17 March 202023.6 °C1,426 mm280
201931.0 °C16 July 201915.7 °C30 November 201923.3 °C1,650 mm100
201831.6 °C8 August 201814.1 °C5 March 201823.2 °C1,325 mm100
201731.6 °C19 August 201711.0 °C21 January 201723.3 °C1,804 mm120
201631.5 °C12 July 201614.2 °C5 February 201623.4 °C1,870 mm180
201532.4 °C5 July 201515.6 °C12 February 201523.8 °C1,238 mm480
201431.5 °C25 July 201415.3 °C7 December 201423.4 °C1,189 mm360
201331.1 °C3 August 201314.5 °C14 February 201323.1 °C1,561 mm60
201231.4 °C7 July 201214.2 °C25 January 201223.0 °C1,785 mm120
201130.3 °C29 June 201113.4 °C1 January 201122.9 °C1,911 mm60
201030.7 °C25 March 201012.6 °C25 December 201023.4 °C1,968 mm210
200930.7 °C5 July 200913.1 °C2 January 200922.9 °C1,562 mm80
200830.6 °C8 July 200811.8 °C31 January 200822.7 °C1,817 mm70
200731.0 °C10 July 200715.0 °C21 January 200723.1 °C1,940 mm40
200630.7 °C15 August 200614.7 °C31 January 200623.0 °C1,695 mm40
200530.6 °C21 June 200512.3 °C8 February 200523.1 °C1,968 mm120
200430.9 °C21 August 200413.7 °C1 January 200422.6 °C1,344 mm80
200330.4 °C8 July 200312.8 °C30 December 200322.9 °C1,698 mm30
200232.4 °C14 July 200215.6 °C21 February 200223.0 °C1,253 mm70
200131.7 °C17 August 200113.2 °C28 February 200122.7 °C1,348 mm110
200031.6 °C22 August 200011.6 °C17 January 200022.6 °C1,319 mm120
199930.5 °C19 July 199912.1 °C4 December 199922.0 °C1,875 mm10
199831.2 °C2 July 199812.5 °C11 February 199823.1 °C1,929 mm170
199732.1 °C23 June 199714.7 °C4 January 199723.1 °C1,210 mm250
199631.0 °C25 July 199612.8 °C6 December 199622.1 °C1,787 mm30
199530.2 °C25 June 199514.8 °C21 March 199522.5 °C1,660 mm20
199431.3 °C14 July 199414.1 °C28 December 199422.4 °C1,468 mm150
199330.8 °C3 August 199312.7 °C3 February 199322.5 °C1,633 mm90
199230.9 °C30 July 199213.9 °C16 December 199222.6 °C1,779 mm60
199132.7 °C8 August 199112.1 °C23 December 199122.7 °C1,352 mm90
199032.4 °C21 August 199014.7 °C25 December 199022.8 °C1,751 mm180
198930.8 °C5 September 198915.1 °C21 January 198922.4 °C1,916 mm30
198830.9 °C2 August 198813.7 °C20 January 198822.7 °C1,893 mm70
198730.6 °C7 August 198713.6 °C8 January 198723.1 °C1,763 mm40
198630.7 °C23 July 198614.3 °C4 February 198622.5 °C1,684 mm70
198531.0 °C7 July 198514.1 °C17 January 198522.4 °C1,581 mm70
198430.2 °C26 July 198413.7 °C19 December 198422.3 °C1,767 mm20
198330.4 °C23 August 198314.8 °C13 March 198322.9 °C1,453 mm30
198230.9 °C20 August 198212.5 °C25 February 198222.2 °C1,242 mm10
198129.3 °C2 August 198113.6 °C24 February 198122.4 °C1,781 mm00
198030.2 °C24 July 198013.1 °C21 January 198022.7 °C1,541 mm30
197930.5 °C24 July 197912.2 °C26 December 197922.2 °C2,123 mm30
197830.6 °C30 July 197813.2 °C12 February 197822.3 °C2,182 mm10
197729.1 °C4 July 197715.4 °C13 January 197722.6 °C1,882 mm00
197629.1 °C20 August 197612.7 °C29 January 197621.9 °C1,666 mm00
197529.5 °C2 July 197512.9 °C29 December 197522.0 °C1,712 mm00
197430.2 °C16 August 197414.8 °C30 April 197421.9 °C2,239 mm10
197329.6 °C10 August 197313.1 °C13 December 197322.3 °C2,107 mm00
197230.3 °C27 July 197213.0 °C14 March 197222.2 °C1,921 mm50
197130.0 °C2 July 197114.0 °C2 April 197121.8 °C1,973 mm10
197031.6 °C21 August 197013.6 °C4 March 197022.5 °C1,574 mm80
196931.7 °C7 August 196912.6 °C31 January 196922.7 °C1,778 mm50
196830.4 °C28 July 196812.7 °C30 January 196822.1 °C1,451 mm30
196731.5 °C21 July 196713.8 °C17 March 196722.2 °C1,243 mm60
196630.0 °C25 August 196612.8 °C9 February 196622.0 °C1,737 mm10
196530.4 °C27 July 196512.0 °C9 January 196522.0 °C1,496 mm30
196430.0 °C23 August 196412.9 °C23 December 196422.0 °C1,718 mm10
196330.4 °C20 July 196313.9 °C6 January 196322.1 °C1,997 mm10
196230.9 °C24 July 196212.0 °C8 March 196222.0 °C1,659 mm70
196130.4 °C21 July 196114.7 °C1 February 196121.9 °C1,926 mm20
196030.0 °C31 July 196011.5 °C7 December 196021.9 °C2,313 mm10
195931.3 °C28 June 195915.2 °C6 January 195922.5 °C1,752 mm90
195831.7 °C5 April 195811.6 °C5 February 195822.9 °C1,540 mm170
195731.1 °C14 August 195714.3 °C7 December 195722.3 °C1,518 mm60
195630.2 °C31 July 19569.9 °C15 January 195621.7 °C1,749 mm10
195529.3 °C22 May 195512.6 °C6 January 195521.7 °C1,871 mm00
195429.5 °C17 August 195413.3 °C6 December 195421.8 °C2,178 mm00
195329.6 °C9 April 195314.3 °C3 January 195322.2 °C1,497 mm00
195229.6 °C24 July 195212.7 °C14 January 195222.0 °C1,710 mm00
195130.1 °C13 April 195112.1 °C15 February 195122.1 °C1,698 mm20
195030.1 °C27 July 195013.0 °C6 January 195021.7 °C1,976 mm10
194930.9 °C22 February 194912.8 °C15 December 194922.4 °C1,521 mm90
194829.2 °C23 June 194814.1 °C21 February 194822.4 °C2,047 mm00
194730.4 °C14 July 194715.7 °C2 January 194722.6 °C1,674 mm50
194631.8 °C24 July 194613.2 °C9 January 194622.3 °C1,522 mm50
194529.6 °C24 July 194512.5 °C15 January 194522.1 °C2,026 mm00
194431.1 °C9 August 194410.9 °C6 December 194422.2 °C1,849 mm70
194330.5 °C20 July 194313.3 °C9 February 194321.8 °C2,082 mm50
194231.0 °C4 July 194212.5 °C24 January 194222.1 °C2,310 mm50
194130.7 °C20 April 194111.7 °C12 January 194122.3 °C1,795 mm40
194030.8 °C6 August 194013.9 °C4 March 194022.0 °C2,065 mm60

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
28.1 °C
+1.2 °C
Hot days (≥ 30 °C)
27 d/yr
+19
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
1549 mm
-165 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan27.3 °C+1.5 °C10 mm-20 mm
Feb27.9 °C+1.8 °C29 mm-21 mm
Mar27.1 °C+0.7 °C93 mm-6 mm
Apr27.5 °C+1.0 °C224 mm+35 mm
May27.8 °C+1.0 °C269 mm+4 mm
Jun29.0 °C+1.3 °C80 mm-90 mm
Jul29.3 °C+0.9 °C106 mm-34 mm
Aug29.5 °C+1.2 °C135 mm-59 mm
Sep28.4 °C+0.8 °C248 mm+26 mm
Oct27.3 °C+0.4 °C289 mm+70 mm
Nov28.1 °C+1.8 °C41 mm-57 mm
Dec27.4 °C+1.6 °C26 mm-14 mm

The year's extremes

Hottest day
32.2 °C
24 Jul 2025
Coldest day
15.3 °C
18 Mar 2025
Wettest day
41.9 mm
15 May 2025
Windiest day
15.4 km/h
29 Oct 2025
Strongest gust
71.3 km/h
29 Oct 2025
Hottest feels-like
38.0 °C
24 Aug 2025
Coldest feels-like
16.1 °C
20 Mar 2025
Sunniest day
12.8 h
26 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 Delmas?

Delmas has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 22.5 °C and it receives 1,714 mm of precipitation per year.

What is the hottest day ever recorded in Delmas?

The hottest day measured in Delmas between 1940 and 2025 was 12 July 2023, reaching 34.8 °C.

What is the coldest day in Delmas?

The coldest day measured in Delmas between 1940 and 2025 was 15 January 1956, at 9.9 °C.

Does it snow in Delmas?

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

Has the climate of Delmas warmed?

Yes: Delmas warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Delmas?

The wettest day measured in Delmas between 1940 and 2025 was 22 May 1948, with 265 mm of rain in 24 hours.

What was the windiest day in Delmas?

The windiest day measured in Delmas between 1940 and 2025 was 5 August 1980, with winds reaching 27.1 km/h.

What is the warmest month in Delmas?

The warmest month in Delmas is July (24.1 °C on average); the coldest is January (20.8 °C).

How much does it rain in Delmas?

Delmas receives on average 1,714 mm of precipitation per year, spread over about 224 rainy days.

Is it sunny in Delmas?

Delmas gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.

Are there tropical nights in Delmas?

Yes: Delmas has on average 127 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Delmas?

In Delmas, between 1940 and 2025, the highest apparent temperature reached 39.9 °C on 12 July 2023, and the lowest was 8.6 °C on 7 January 1956.

Compare Delmas with another city

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Nearby cities

The climate around Delmas

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