Coatzacoalcos climate — normals and trends

Coatzacoalcos (Mexico) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 25.6 °C and it receives 1,925 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 May (27.8 °C on average) and the coldest is January (22.5 °C). Rainfall peaks in September.

Coatzacoalcos averages 0 frost days, 68 hot days (≥ 30 °C) and 203 rainy days per year.

Coatzacoalcos has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.3 °C (on 17 May 2024) and the coldest 15.5 °C (on 14 February 1960).

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

CoatzacoalcosVeracruz

coords
18.15°, -94.44°
period
19402025 · 86 yrs
AmTropical monsoonWarmest monthMayColdest monthJanuaryWettest monthSeptemberDriest monthApril

Mean daily temperature

25.6°C

Average daily high

27.6°C

Average daily low

23.9°C

Annual rainfall

1,925mm

Sunshine / day

10.4h

Mean relative humidity

82%

Average peak wind

19.2km/h

Seasonal range

5.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

68 d/yr

Rainy days (≥ 1 mm)

203 d/yr

Annual snowfall

0.0 cm

Average feels-like high

31.9 °C

Average feels-like low

26.8 °C

Average peak gust

31.8 km/h

Tropical nights (≥ 20 °C)

349 d/yr

Solar radiation

18.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.4 °C

since 1940

+0.2 °C per decade · r² = 0.68 · 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

37.3 °C

17 May 2024

Coldest day

15.5 °C

14 February 1960

Wettest day

282 mm

5 June 1946

Windiest day

66.0 km/h

11 November 1942

Strongest gust

108.0 km/h

11 November 1942

Hottest feels-like

45.2 °C

27 May 2024

Coldest feels-like

11.0 °C

13 February 1960

Sunniest day

12.9 h

6 July 2025

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202536.1 °C20 May 202518.4 °C22 January 202526.7 °C1,940 mm1280
202437.3 °C17 May 202419.3 °C8 February 202427.1 °C1,965 mm1640
202335.2 °C16 June 202318.9 °C18 December 202326.7 °C1,926 mm1470
202235.3 °C21 May 202218.2 °C6 February 202226.0 °C2,002 mm830
202134.8 °C16 April 202118.0 °C3 February 202126.5 °C1,728 mm1200
202036.3 °C23 April 202019.0 °C27 February 202026.7 °C2,031 mm1260
201936.5 °C9 May 201918.5 °C22 January 201926.5 °C1,520 mm1180
201833.9 °C14 April 201818.5 °C10 January 201826.2 °C2,014 mm910
201735.2 °C29 April 201718.7 °C31 January 201726.3 °C1,827 mm910
201635.7 °C30 April 201617.1 °C8 February 201626.3 °C1,567 mm1110
201536.3 °C26 April 201518.8 °C28 January 201526.2 °C1,893 mm920
201436.4 °C28 April 201418.1 °C7 January 201425.7 °C1,934 mm730
201335.7 °C18 April 201317.0 °C4 March 201325.9 °C2,537 mm830
201234.3 °C11 May 201219.6 °C4 January 201226.0 °C1,950 mm790
201135.4 °C20 May 201117.8 °C29 November 201125.9 °C1,748 mm1000
201035.8 °C30 April 201017.2 °C26 February 201025.5 °C2,170 mm840
200934.9 °C26 May 200918.2 °C3 March 200926.1 °C2,020 mm1150
200834.8 °C15 May 200818.3 °C14 December 200825.9 °C1,883 mm930
200734.8 °C3 May 200719.3 °C17 February 200726.0 °C1,551 mm810
200635.1 °C10 May 200617.3 °C14 February 200625.9 °C2,312 mm810
200535.7 °C11 April 200518.8 °C28 December 200525.8 °C2,095 mm800
200434.7 °C11 April 200419.2 °C19 February 200425.8 °C1,743 mm760
200336.0 °C7 May 200318.9 °C18 January 200325.9 °C1,827 mm880
200234.8 °C8 April 200217.6 °C24 February 200225.8 °C1,579 mm680
200134.7 °C11 April 200118.2 °C7 January 200125.7 °C2,210 mm650
200035.1 °C23 April 200018.8 °C21 December 200025.8 °C1,894 mm560
199936.5 °C4 May 199919.0 °C12 January 199925.7 °C2,000 mm780
199836.7 °C5 June 199818.3 °C4 February 199826.3 °C2,046 mm1230
199734.4 °C22 April 199717.4 °C15 December 199725.9 °C1,866 mm640
199633.3 °C27 May 199617.4 °C8 January 199625.6 °C1,659 mm640
199535.4 °C6 June 199518.5 °C7 February 199526.2 °C1,797 mm860
199434.4 °C7 June 199418.0 °C4 March 199426.0 °C1,398 mm790
199336.0 °C2 May 199317.5 °C13 March 199325.8 °C1,915 mm580
199233.3 °C18 April 199218.9 °C6 February 199225.6 °C1,833 mm340
199135.3 °C27 April 199119.6 °C12 February 199126.0 °C1,820 mm870
199034.3 °C30 May 199018.6 °C22 March 199025.7 °C1,951 mm480
198934.0 °C17 May 198916.0 °C24 December 198925.5 °C1,621 mm560
198834.9 °C22 April 198818.0 °C6 February 198825.3 °C1,955 mm510
198734.1 °C3 May 198717.7 °C23 January 198725.2 °C1,888 mm460
198633.6 °C16 May 198616.7 °C2 March 198625.5 °C2,038 mm500
198533.6 °C14 May 198518.1 °C5 January 198525.4 °C1,887 mm480
198435.8 °C3 May 198418.4 °C1 March 198425.2 °C2,305 mm520
198334.7 °C22 April 198317.1 °C30 December 198325.7 °C1,915 mm880
198234.1 °C5 April 198218.3 °C15 January 198225.7 °C1,745 mm580
198134.7 °C18 May 198118.0 °C25 January 198125.3 °C2,347 mm520
198035.2 °C16 May 198017.8 °C3 March 198025.4 °C2,069 mm640
197935.1 °C9 May 197917.0 °C3 January 197925.4 °C1,815 mm540
197835.8 °C6 May 197816.7 °C7 February 197825.3 °C2,036 mm570
197734.4 °C2 April 197717.7 °C20 January 197725.4 °C1,587 mm630
197633.7 °C26 May 197617.0 °C2 February 197625.0 °C1,689 mm370
197536.6 °C6 May 197518.0 °C13 January 197525.7 °C1,996 mm810
197435.0 °C10 May 197418.0 °C11 February 197425.3 °C1,678 mm440
197334.5 °C28 May 197316.7 °C10 February 197325.3 °C1,928 mm630
197234.2 °C15 April 197218.0 °C16 December 197225.5 °C2,272 mm360
197135.6 °C29 April 197118.0 °C14 February 197125.4 °C1,757 mm570
197033.8 °C30 April 197016.3 °C5 February 197025.0 °C1,770 mm440
196935.0 °C7 May 196918.3 °C5 January 196925.3 °C2,010 mm520
196833.0 °C8 June 196817.8 °C15 January 196824.9 °C2,005 mm420
196735.1 °C31 May 196716.9 °C11 January 196725.2 °C1,771 mm480
196632.5 °C19 April 196617.6 °C31 January 196624.7 °C1,968 mm330
196534.9 °C26 April 196517.5 °C18 January 196525.1 °C2,013 mm560
196435.7 °C3 May 196417.3 °C14 January 196425.0 °C1,961 mm450
196333.7 °C19 April 196316.7 °C26 December 196325.1 °C1,743 mm520
196234.3 °C29 May 196216.9 °C11 January 196225.1 °C1,696 mm490
196134.6 °C26 May 196117.7 °C26 February 196125.0 °C2,015 mm540
196036.4 °C30 April 196015.5 °C14 February 196025.1 °C1,971 mm560
195933.6 °C10 May 195918.8 °C17 January 195925.0 °C1,964 mm530
195835.8 °C9 May 195817.4 °C9 January 195825.1 °C1,930 mm500
195735.9 °C21 May 195717.3 °C13 December 195725.4 °C1,803 mm600
195635.0 °C9 April 195617.7 °C15 January 195624.9 °C1,974 mm270
195536.4 °C19 May 195517.5 °C11 February 195525.2 °C1,980 mm610
195432.9 °C1 May 195416.5 °C9 February 195424.7 °C1,956 mm230
195336.2 °C7 April 195318.7 °C24 December 195325.5 °C1,744 mm740
195234.5 °C18 March 195218.2 °C28 February 195225.1 °C2,207 mm400
195135.9 °C1 May 195117.1 °C3 February 195125.5 °C2,089 mm730
195034.4 °C15 May 195018.7 °C13 December 195025.3 °C1,720 mm480
194935.2 °C1 May 194919.0 °C2 January 194925.5 °C1,767 mm560
194834.9 °C3 May 194818.2 °C15 January 194825.3 °C2,230 mm430
194734.1 °C10 April 194718.1 °C5 January 194725.2 °C2,194 mm490
194635.5 °C19 May 194618.9 °C23 January 194625.4 °C2,331 mm510
194536.5 °C24 April 194518.8 °C6 December 194525.6 °C1,660 mm770
194434.7 °C22 April 194418.2 °C15 January 194425.3 °C1,771 mm570
194332.3 °C4 June 194318.4 °C23 February 194324.7 °C2,261 mm270
194234.9 °C14 May 194218.1 °C6 March 194224.9 °C2,642 mm410
194134.6 °C3 May 194117.6 °C10 February 194125.1 °C2,152 mm390
194035.1 °C1 May 194018.1 °C11 February 194025.2 °C1,612 mm720

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
28.8 °C
+1.2 °C
Hot days (≥ 30 °C)
128 d/yr
+60
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
1940 mm
+15 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan25.1 °C+0.9 °C152 mm+56 mm
Feb26.6 °C+1.5 °C124 mm+75 mm
Mar28.9 °C+1.5 °C6 mm-27 mm
Apr29.5 °C0.0 °C8 mm-22 mm
May32.6 °C+2.1 °C42 mm-24 mm
Jun30.4 °C+0.9 °C317 mm+70 mm
Jul29.8 °C+1.1 °C190 mm-99 mm
Aug30.2 °C+1.3 °C248 mm-34 mm
Sep30.2 °C+1.6 °C276 mm-48 mm
Oct28.8 °C+1.3 °C251 mm+6 mm
Nov27.4 °C+1.3 °C149 mm-1 mm
Dec26.4 °C+1.5 °C177 mm+62 mm

The year's extremes

Hottest day
36.1 °C
20 May 2025
Coldest day
18.4 °C
22 Jan 2025
Wettest day
60.5 mm
20 Feb 2025
Windiest day
54.1 km/h
21 Jan 2025
Strongest gust
85.3 km/h
21 Jan 2025
Hottest feels-like
43.7 °C
7 May 2025
Coldest feels-like
15.7 °C
21 Jan 2025
Sunniest day
12.9 h
6 Jul 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 Coatzacoalcos?

Coatzacoalcos has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 25.6 °C and it receives 1,925 mm of precipitation per year.

What is the hottest day ever recorded in Coatzacoalcos?

The hottest day measured in Coatzacoalcos between 1940 and 2025 was 17 May 2024, reaching 37.3 °C.

What is the coldest day in Coatzacoalcos?

The coldest day measured in Coatzacoalcos between 1940 and 2025 was 14 February 1960, at 15.5 °C.

Does it snow in Coatzacoalcos?

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

Has the climate of Coatzacoalcos warmed?

Yes: Coatzacoalcos warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Coatzacoalcos?

The wettest day measured in Coatzacoalcos between 1940 and 2025 was 5 June 1946, with 282 mm of rain in 24 hours.

What was the windiest day in Coatzacoalcos?

The windiest day measured in Coatzacoalcos between 1940 and 2025 was 11 November 1942, with winds reaching 66.0 km/h.

What is the warmest month in Coatzacoalcos?

The warmest month in Coatzacoalcos is May (27.8 °C on average); the coldest is January (22.5 °C).

How much does it rain in Coatzacoalcos?

Coatzacoalcos receives on average 1,925 mm of precipitation per year, spread over about 203 rainy days.

Is it sunny in Coatzacoalcos?

Coatzacoalcos gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.

Are there tropical nights in Coatzacoalcos?

Yes: Coatzacoalcos has on average 349 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Coatzacoalcos?

In Coatzacoalcos, between 1940 and 2025, the highest apparent temperature reached 45.2 °C on 27 May 2024, and the lowest was 11.0 °C on 13 February 1960.

Compare Coatzacoalcos with another city

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Nearby cities

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