Dom Pedro climate — normals and trends

Dom Pedro (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.0 °C and it receives 1,404 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 October (29.1 °C on average) and the coldest is March (25.4 °C). Rainfall peaks in March.

Dom Pedro averages 0 frost days, 286 hot days (≥ 30 °C) and 163 rainy days per year.

Dom Pedro has warmed by +0.8 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.6 °C (on 10 October 1949) and the coldest 18.2 °C (on 7 July 1959).

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

Dom PedroMaranhão

coords
-5.04°, -44.44°
period
19402025 · 86 yrs
AwTropical savannaWarmest monthOctoberColdest monthMarchWettest monthMarchDriest monthAugust

Mean daily temperature

27.0°C

Average daily high

32.2°C

Average daily low

23.0°C

Annual rainfall

1,404mm

Sunshine / day

10.5h

Mean relative humidity

74%

Average peak wind

10.7km/h

Seasonal range

3.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

286 d/yr

Rainy days (≥ 1 mm)

163 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.8 °C

Average feels-like low

26.4 °C

Average peak gust

30.5 km/h

Tropical nights (≥ 20 °C)

363 d/yr

Solar radiation

19.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.8 °C

since 1940

+0.1 °C per decade · r² = 0.14 · 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

39.6 °C

10 October 1949

Coldest day

18.2 °C

7 July 1959

Wettest day

159 mm

26 December 1994

Windiest day

25.8 km/h

16 July 1988

Strongest gust

60.8 km/h

17 August 1991

Hottest feels-like

44.3 °C

31 October 2012

Coldest feels-like

17.6 °C

3 August 2001

Sunniest day

12.0 h

2 January 1940

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202538.2 °C25 November 202519.1 °C18 July 202527.7 °C1,141 mm3340
202438.1 °C26 October 202418.9 °C27 July 202428.0 °C1,089 mm3460
202338.8 °C14 October 202319.4 °C14 August 202327.5 °C1,001 mm3280
202237.2 °C12 October 202219.3 °C2 August 202227.0 °C1,451 mm3190
202136.9 °C28 August 202119.2 °C3 August 202127.3 °C1,157 mm3200
202038.4 °C21 October 202019.1 °C27 July 202027.6 °C1,519 mm3300
201937.3 °C19 September 201920.5 °C19 July 201927.7 °C1,293 mm3360
201838.1 °C28 September 201820.0 °C26 June 201827.6 °C1,449 mm3220
201738.8 °C25 October 201719.9 °C19 July 201727.9 °C1,237 mm3310
201638.4 °C2 November 201619.3 °C23 July 201628.2 °C1,209 mm3490
201538.9 °C16 October 201520.3 °C4 August 201528.1 °C1,071 mm3420
201437.6 °C27 September 201420.3 °C14 August 201427.5 °C1,405 mm3290
201338.2 °C5 October 201320.5 °C1 August 201327.9 °C1,311 mm3390
201239.3 °C24 October 201220.5 °C6 July 201227.9 °C1,143 mm3390
201139.1 °C25 September 201120.0 °C19 July 201127.4 °C1,498 mm3250
201038.3 °C14 October 201020.5 °C10 August 201028.1 °C1,379 mm3380
200937.2 °C29 September 200920.7 °C27 July 200927.3 °C1,888 mm3110
200837.9 °C26 October 200819.0 °C23 June 200827.4 °C1,527 mm3120
200738.3 °C8 November 200721.1 °C29 July 200727.9 °C1,076 mm3340
200637.3 °C8 October 200621.1 °C15 July 200627.3 °C1,434 mm3130
200538.2 °C20 November 200520.4 °C1 September 200527.7 °C1,298 mm3320
200437.3 °C18 November 200419.4 °C9 June 200427.3 °C1,570 mm3250
200337.0 °C19 October 200318.7 °C11 July 200327.1 °C1,387 mm3260
200237.3 °C22 October 200220.9 °C20 June 200227.1 °C1,457 mm3220
200136.5 °C22 October 200118.7 °C29 July 200126.7 °C1,431 mm3090
200036.3 °C29 November 200020.5 °C4 June 200026.6 °C1,434 mm3020
199936.8 °C10 November 199919.6 °C5 July 199926.7 °C1,668 mm2960
199838.0 °C30 October 199820.8 °C25 June 199827.7 °C1,097 mm3310
199737.4 °C1 October 199720.1 °C16 June 199727.0 °C1,374 mm3040
199636.5 °C19 September 199619.8 °C4 July 199626.8 °C1,808 mm2880
199538.1 °C15 October 199520.4 °C7 January 199526.7 °C1,671 mm2810
199436.1 °C18 September 199420.2 °C23 July 199426.7 °C1,723 mm2870
199337.3 °C17 September 199320.7 °C6 June 199327.3 °C1,303 mm3080
199237.2 °C5 January 199220.3 °C22 July 199227.3 °C1,126 mm3250
199136.4 °C13 September 199120.6 °C26 July 199127.0 °C1,182 mm3090
199035.5 °C21 August 199020.6 °C12 January 199027.0 °C1,065 mm3240
198935.6 °C5 October 198920.5 °C30 July 198926.3 °C1,863 mm2660
198836.3 °C24 September 198820.2 °C23 September 198826.8 °C1,681 mm2960
198737.1 °C6 November 198721.3 °C13 January 198727.4 °C1,269 mm3270
198635.6 °C15 September 198620.3 °C24 July 198626.2 °C1,728 mm2600
198535.5 °C22 October 198520.4 °C25 June 198525.9 °C2,226 mm2140
198435.2 °C17 October 198419.9 °C4 August 198426.4 °C1,646 mm2630
198336.6 °C3 November 198319.6 °C12 August 198327.4 °C958 mm3300
198236.6 °C20 December 198221.0 °C11 June 198226.9 °C1,311 mm3000
198136.9 °C24 September 198119.2 °C23 July 198127.3 °C1,061 mm3250
198036.4 °C8 October 198020.3 °C26 July 198026.8 °C1,516 mm2990
197936.0 °C7 October 197919.4 °C27 July 197926.4 °C1,606 mm2970
197836.1 °C2 October 197820.6 °C7 June 197826.3 °C1,965 mm2790
197735.4 °C15 September 197719.5 °C5 August 197726.2 °C2,162 mm2560
197635.4 °C3 September 197619.6 °C15 July 197626.0 °C1,733 mm2630
197535.6 °C18 September 197519.7 °C25 July 197526.0 °C1,669 mm2430
197434.6 °C30 October 197419.3 °C12 June 197425.6 °C1,946 mm2180
197335.3 °C29 August 197318.8 °C2 August 197326.2 °C1,941 mm2600
197236.3 °C23 October 197220.0 °C30 June 197226.4 °C1,664 mm2770
197134.9 °C28 September 197119.4 °C19 June 197125.8 °C1,900 mm2210
197035.9 °C3 October 197019.3 °C29 June 197026.6 °C1,420 mm2940
196936.1 °C2 October 196920.4 °C17 July 196926.9 °C1,014 mm3050
196835.8 °C22 September 196819.4 °C27 July 196826.1 °C1,389 mm2230
196736.0 °C10 December 196720.1 °C17 February 196726.2 °C1,660 mm2470
196637.7 °C25 October 196620.5 °C11 June 196626.7 °C1,834 mm2330
196538.9 °C15 November 196519.4 °C15 July 196527.2 °C980 mm2570
196437.2 °C24 September 196419.7 °C3 June 196426.6 °C1,368 mm2150
196339.0 °C16 October 196319.0 °C16 July 196327.2 °C1,253 mm2390
196238.6 °C3 October 196219.2 °C19 June 196226.9 °C1,363 mm2400
196139.3 °C2 November 196119.9 °C22 July 196127.0 °C1,268 mm2370
196038.9 °C10 October 196021.0 °C12 July 196027.3 °C1,652 mm2510
195938.6 °C16 October 195918.2 °C7 July 195926.9 °C1,420 mm2170
195839.6 °C18 October 195820.7 °C25 July 195827.9 °C1,048 mm3080
195739.5 °C4 November 195719.5 °C28 July 195727.5 °C1,378 mm2470
195638.3 °C6 November 195619.8 °C1 July 195626.5 °C1,309 mm2150
195539.1 °C9 October 195520.4 °C9 June 195527.0 °C1,308 mm2420
195438.2 °C18 October 195419.4 °C25 July 195426.7 °C1,038 mm2600
195337.8 °C3 November 195319.4 °C12 July 195326.9 °C1,074 mm2440
195237.6 °C27 October 195219.7 °C26 June 195226.7 °C1,594 mm2430
195138.6 °C29 September 195120.6 °C14 January 195127.3 °C912 mm2870
195038.9 °C11 December 195020.3 °C19 June 195027.5 °C1,132 mm2590
194939.6 °C10 October 194920.5 °C3 June 194927.1 °C1,208 mm2440
194838.5 °C30 September 194820.6 °C16 June 194827.3 °C1,167 mm2530
194738.6 °C10 October 194720.9 °C22 March 194726.7 °C1,508 mm2370
194638.9 °C31 October 194619.7 °C23 June 194627.3 °C959 mm2760
194538.3 °C10 November 194519.1 °C15 June 194526.9 °C1,227 mm2500
194438.6 °C29 September 194420.8 °C16 May 194427.2 °C1,680 mm2380
194338.5 °C24 October 194319.7 °C16 June 194326.1 °C1,774 mm1950
194239.3 °C20 November 194220.4 °C13 May 194227.8 °C931 mm3100
194139.5 °C18 October 194120.3 °C24 July 194128.0 °C836 mm3120
194037.1 °C7 November 194019.7 °C7 July 194026.7 °C1,293 mm2350

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
33.2 °C
+1.0 °C
Hot days (≥ 30 °C)
334 d/yr
+48
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
1141 mm
-263 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan31.3 °C+0.7 °C363 mm+124 mm
Feb31.1 °C+1.0 °C176 mm-78 mm
Mar30.8 °C+1.0 °C284 mm-21 mm
Apr31.7 °C+1.7 °C111 mm-119 mm
May32.4 °C+1.9 °C25 mm-75 mm
Jun33.0 °C+1.4 °C9 mm-15 mm
Jul34.0 °C+1.1 °C3 mm-6 mm
Aug34.6 °C+0.3 °C5 mm-1 mm
Sep36.1 °C+0.9 °C2 mm-8 mm
Oct35.4 °C+0.4 °C47 mm+19 mm
Nov34.8 °C+0.9 °C10 mm-54 mm
Dec32.7 °C+0.3 °C106 mm-28 mm

The year's extremes

Hottest day
38.2 °C
25 Nov 2025
Coldest day
19.1 °C
18 Jul 2025
Wettest day
61.3 mm
14 Jan 2025
Windiest day
20.3 km/h
19 May 2025
Strongest gust
49.7 km/h
14 Jun 2025
Hottest feels-like
41.8 °C
11 Sep 2025
Coldest feels-like
19.5 °C
18 Jul 2025
Sunniest day
12.0 h
1 Jan 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 Dom Pedro?

Dom Pedro has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.0 °C and it receives 1,404 mm of precipitation per year.

What is the hottest day ever recorded in Dom Pedro?

The hottest day measured in Dom Pedro between 1940 and 2025 was 10 October 1949, reaching 39.6 °C.

What is the coldest day in Dom Pedro?

The coldest day measured in Dom Pedro between 1940 and 2025 was 7 July 1959, at 18.2 °C.

Does it snow in Dom Pedro?

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

Has the climate of Dom Pedro warmed?

Yes: Dom Pedro warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Dom Pedro?

The wettest day measured in Dom Pedro between 1940 and 2025 was 26 December 1994, with 159 mm of rain in 24 hours.

What was the windiest day in Dom Pedro?

The windiest day measured in Dom Pedro between 1940 and 2025 was 16 July 1988, with winds reaching 25.8 km/h.

What is the warmest month in Dom Pedro?

The warmest month in Dom Pedro is October (29.1 °C on average); the coldest is March (25.4 °C).

How much does it rain in Dom Pedro?

Dom Pedro receives on average 1,404 mm of precipitation per year, spread over about 163 rainy days.

Is it sunny in Dom Pedro?

Dom Pedro gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.

Are there tropical nights in Dom Pedro?

Yes: Dom Pedro has on average 363 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Dom Pedro?

In Dom Pedro, between 1940 and 2025, the highest apparent temperature reached 44.3 °C on 31 October 2012, and the lowest was 17.6 °C on 3 August 2001.

Compare Dom Pedro with another city

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