Pio XII climate — normals and trends

Pio XII (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.4 °C and it receives 1,611 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 (26.1 °C). Rainfall peaks in March.

Pio XII averages 0 frost days, 293 hot days (≥ 30 °C) and 178 rainy days per year.

Pio XII has warmed by +1.0 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.3 °C (on 12 December 1981) and the coldest 19.8 °C (on 1 August 2020).

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

Pio XIIMaranhão

coords
-3.83°, -45.15°
period
19402025 · 86 yrs
AwTropical savannaWarmest monthOctoberColdest monthMarchWettest monthMarchDriest monthAugust

Mean daily temperature

27.4°C

Average daily high

32.1°C

Average daily low

23.9°C

Annual rainfall

1,611mm

Sunshine / day

10.5h

Mean relative humidity

77%

Average peak wind

12.6km/h

Seasonal range

3.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

293 d/yr

Rainy days (≥ 1 mm)

178 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.8 °C

Average feels-like low

28.2 °C

Average peak gust

31.9 km/h

Tropical nights (≥ 20 °C)

364 d/yr

Solar radiation

18.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.0 °C

since 1940

+0.1 °C per decade · r² = 0.28 · 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

39.3 °C

12 December 1981

Coldest day

19.8 °C

1 August 2020

Wettest day

306 mm

27 December 1993

Windiest day

25.7 km/h

16 August 1991

Strongest gust

56.9 km/h

8 September 1993

Hottest feels-like

43.5 °C

25 October 2017

Coldest feels-like

20.0 °C

4 July 1974

Sunniest day

12.0 h

2 January 1940

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202537.0 °C27 October 202520.8 °C14 July 202528.0 °C1,689 mm3390
202437.6 °C17 December 202420.0 °C17 July 202428.5 °C1,088 mm3500
202337.0 °C10 November 202321.3 °C22 July 202328.1 °C1,420 mm3310
202236.5 °C19 October 202220.1 °C22 August 202227.5 °C1,705 mm3140
202135.7 °C28 August 202120.1 °C3 August 202127.6 °C1,468 mm3270
202037.4 °C21 October 202019.8 °C1 August 202027.8 °C1,749 mm3310
201936.6 °C27 October 201921.1 °C19 July 201927.9 °C1,819 mm3470
201836.8 °C14 September 201821.6 °C6 July 201827.7 °C1,857 mm3290
201739.0 °C4 December 201721.1 °C16 July 201728.3 °C1,634 mm3410
201638.4 °C25 November 201620.2 °C27 July 201628.6 °C1,287 mm3500
201538.7 °C1 December 201521.7 °C14 August 201528.3 °C1,205 mm3470
201437.0 °C11 October 201421.7 °C19 August 201427.8 °C1,528 mm3320
201336.8 °C2 October 201321.4 °C3 August 201328.0 °C1,663 mm3490
201238.7 °C24 October 201220.9 °C2 August 201228.1 °C1,408 mm3440
201137.9 °C7 October 201120.8 °C29 July 201127.7 °C1,954 mm3270
201038.3 °C15 September 201020.5 °C27 June 201028.5 °C1,455 mm3500
200937.3 °C1 November 200921.6 °C26 July 200927.7 °C2,209 mm3300
200837.7 °C25 November 200820.9 °C23 June 200827.8 °C1,748 mm3250
200737.6 °C26 October 200721.5 °C30 July 200728.2 °C1,366 mm3310
200637.7 °C2 November 200621.0 °C5 August 200627.9 °C1,715 mm3240
200538.6 °C18 November 200521.6 °C24 July 200528.2 °C1,541 mm3390
200436.9 °C5 November 200421.6 °C5 August 200427.7 °C1,523 mm3260
200336.4 °C4 October 200321.1 °C16 July 200327.6 °C1,751 mm3320
200237.6 °C22 October 200221.8 °C4 July 200227.6 °C1,748 mm3220
200137.2 °C18 October 200120.7 °C3 August 200127.3 °C1,625 mm3160
200037.3 °C28 November 200021.3 °C31 July 200027.1 °C1,735 mm3190
199937.1 °C10 November 199921.2 °C30 July 199927.2 °C2,095 mm3150
199837.3 °C30 October 199822.0 °C25 June 199827.9 °C1,453 mm3390
199737.4 °C27 September 199721.2 °C10 July 199727.6 °C1,505 mm3160
199636.4 °C11 November 199621.1 °C3 July 199627.3 °C1,960 mm3180
199537.6 °C15 October 199520.7 °C14 July 199527.3 °C1,766 mm3080
199435.5 °C1 December 199421.5 °C1 July 199427.1 °C1,843 mm3000
199336.6 °C7 December 199321.8 °C18 July 199327.5 °C1,684 mm3260
199237.4 °C13 January 199221.1 °C22 July 199227.7 °C1,265 mm3340
199136.6 °C24 September 199121.3 °C30 July 199127.4 °C1,397 mm3110
199035.8 °C1 November 199021.6 °C8 August 199027.4 °C1,091 mm3290
198935.0 °C26 September 198922.0 °C30 July 198926.9 °C1,941 mm2770
198836.1 °C20 October 198820.6 °C3 August 198827.2 °C1,650 mm3060
198737.3 °C28 November 198722.3 °C28 June 198727.8 °C1,361 mm3310
198635.3 °C25 September 198621.9 °C14 June 198626.8 °C2,357 mm2750
198536.2 °C22 October 198521.5 °C14 June 198526.5 °C2,471 mm2320
198435.5 °C17 December 198420.5 °C27 July 198426.7 °C2,026 mm2730
198336.3 °C8 October 198322.4 °C14 August 198327.8 °C1,156 mm3370
198237.6 °C20 December 198222.0 °C1 July 198227.3 °C1,574 mm3090
198139.3 °C12 December 198121.1 °C28 July 198127.8 °C1,169 mm3290
198036.9 °C7 December 198021.9 °C3 August 198027.2 °C1,771 mm3140
197935.7 °C3 November 197921.0 °C17 June 197927.0 °C1,653 mm3160
197835.6 °C26 November 197821.5 °C5 August 197826.8 °C2,020 mm2840
197737.1 °C22 November 197721.0 °C5 August 197726.8 °C2,316 mm2620
197635.7 °C23 September 197619.9 °C20 July 197626.6 °C1,690 mm2640
197534.4 °C11 November 197520.0 °C28 July 197526.5 °C1,938 mm2510
197435.3 °C25 October 197420.5 °C12 June 197426.1 °C2,523 mm2220
197335.7 °C16 November 197321.5 °C20 January 197326.6 °C2,177 mm2710
197235.7 °C21 November 197221.2 °C22 July 197226.8 °C1,690 mm2870
197135.2 °C13 December 197120.3 °C11 July 197126.4 °C1,944 mm2370
197035.5 °C22 August 197020.5 °C24 July 197027.0 °C1,573 mm2950
196936.0 °C26 November 196921.7 °C30 July 196927.4 °C1,194 mm3140
196836.2 °C18 October 196820.6 °C15 June 196826.7 °C1,595 mm2560
196736.2 °C10 December 196721.2 °C17 February 196726.9 °C1,956 mm2530
196637.1 °C25 October 196622.1 °C10 June 196627.1 °C1,794 mm2370
196538.1 °C7 November 196522.1 °C24 June 196527.3 °C1,151 mm2470
196436.8 °C9 November 196421.7 °C2 June 196426.9 °C1,576 mm2090
196337.0 °C29 October 196321.5 °C17 June 196327.3 °C1,535 mm2400
196237.6 °C3 October 196220.8 °C20 June 196227.0 °C1,565 mm2410
196138.2 °C16 October 196121.7 °C21 June 196127.1 °C1,771 mm2380
196038.4 °C8 December 196021.6 °C10 July 196027.2 °C1,781 mm2400
195937.6 °C1 December 195920.8 °C7 July 195927.1 °C2,062 mm2390
195838.3 °C26 October 195822.3 °C3 March 195828.1 °C995 mm3260
195737.9 °C4 November 195722.0 °C3 March 195727.3 °C1,591 mm2500
195636.8 °C6 November 195621.8 °C22 June 195626.9 °C1,423 mm2230
195537.3 °C22 September 195521.5 °C16 July 195526.9 °C1,491 mm2260
195437.5 °C7 September 195421.5 °C28 July 195427.0 °C1,203 mm2450
195337.4 °C22 October 195321.7 °C13 July 195327.2 °C1,281 mm2630
195237.1 °C9 October 195221.5 °C30 June 195227.0 °C1,653 mm2430
195137.1 °C26 September 195122.0 °C16 April 195127.7 °C970 mm3010
195038.3 °C29 November 195021.3 °C14 July 195027.3 °C1,350 mm2410
194937.6 °C21 October 194921.7 °C22 July 194927.0 °C1,453 mm2260
194837.5 °C5 November 194822.1 °C23 January 194827.4 °C1,310 mm2670
194737.7 °C9 October 194722.2 °C10 July 194727.0 °C1,637 mm2450
194639.2 °C12 December 194621.9 °C9 January 194627.8 °C868 mm3030
194537.8 °C10 November 194521.1 °C14 June 194527.2 °C1,283 mm2590
194438.2 °C28 September 194422.1 °C22 February 194427.5 °C1,649 mm2420
194336.9 °C24 October 194321.6 °C8 February 194326.6 °C1,786 mm2030
194238.5 °C20 November 194221.6 °C9 July 194227.7 °C1,152 mm3200
194139.0 °C17 October 194122.3 °C16 June 194128.1 °C876 mm3220
194036.6 °C1 December 194021.6 °C25 March 194027.0 °C1,637 mm2400

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
32.8 °C
+0.7 °C
Hot days (≥ 30 °C)
339 d/yr
+46
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
1689 mm
+78 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan31.7 °C+0.8 °C312 mm+62 mm
Feb30.8 °C+0.4 °C426 mm+137 mm
Mar31.2 °C+1.1 °C452 mm+105 mm
Apr31.7 °C+1.5 °C210 mm-82 mm
May31.6 °C+1.1 °C75 mm-81 mm
Jun31.5 °C+0.7 °C41 mm-12 mm
Jul32.5 °C+0.7 °C40 mm+14 mm
Aug33.3 °C-0.2 °C10 mm-1 mm
Sep35.3 °C+0.9 °C3 mm-9 mm
Oct35.5 °C+0.7 °C5 mm-12 mm
Nov35.0 °C+0.7 °C8 mm-32 mm
Dec33.2 °C+0.3 °C106 mm-12 mm

The year's extremes

Hottest day
37.0 °C
27 Oct 2025
Coldest day
20.8 °C
14 Jul 2025
Wettest day
130.6 mm
14 Feb 2025
Windiest day
22.1 km/h
19 May 2025
Strongest gust
50.8 km/h
14 Oct 2025
Hottest feels-like
41.5 °C
18 Apr 2025
Coldest feels-like
23.1 °C
14 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 Pio XII?

Pio XII has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.4 °C and it receives 1,611 mm of precipitation per year.

What is the hottest day ever recorded in Pio XII?

The hottest day measured in Pio XII between 1940 and 2025 was 12 December 1981, reaching 39.3 °C.

What is the coldest day in Pio XII?

The coldest day measured in Pio XII between 1940 and 2025 was 1 August 2020, at 19.8 °C.

Does it snow in Pio XII?

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

Has the climate of Pio XII warmed?

Yes: Pio XII warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Pio XII?

The wettest day measured in Pio XII between 1940 and 2025 was 27 December 1993, with 306 mm of rain in 24 hours.

What was the windiest day in Pio XII?

The windiest day measured in Pio XII between 1940 and 2025 was 16 August 1991, with winds reaching 25.7 km/h.

What is the warmest month in Pio XII?

The warmest month in Pio XII is October (29.1 °C on average); the coldest is March (26.1 °C).

How much does it rain in Pio XII?

Pio XII receives on average 1,611 mm of precipitation per year, spread over about 178 rainy days.

Is it sunny in Pio XII?

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

Are there tropical nights in Pio XII?

Yes: Pio XII has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Pio XII?

In Pio XII, between 1940 and 2025, the highest apparent temperature reached 43.5 °C on 25 October 2017, and the lowest was 20.0 °C on 4 July 1974.

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