Monte Sião climate — normals and trends

Monte Sião (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.8 °C and it receives 1,313 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 January (22.0 °C on average) and the coldest is July (16.3 °C). Rainfall peaks in January.

Monte Sião averages 0 frost days, 22 hot days (≥ 30 °C) and 155 rainy days per year.

Monte Sião has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.

The hottest day of the period reached 36.1 °C (on 2 October 2020) and the coldest -0.2 °C (on 21 July 1981).

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

Monte SiãoMinas Gerais

coords
-22.43°, -46.57°
period
19402025 · 86 yrs
CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthJanuaryDriest monthAugust

Mean daily temperature

19.8°C

Average daily high

25.0°C

Average daily low

15.6°C

Annual rainfall

1,313mm

Sunshine / day

9.9h

Mean relative humidity

73%

Average peak wind

12.7km/h

Seasonal range

5.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

22 d/yr

Rainy days (≥ 1 mm)

155 d/yr

Annual snowfall

0.0 cm

Average feels-like high

26.3 °C

Average feels-like low

15.5 °C

Average peak gust

32.1 km/h

Tropical nights (≥ 20 °C)

12 d/yr

Solar radiation

17.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.1 °C

since 1940

+0.3 °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

36.1 °C

2 October 2020

Coldest day

-0.2 °C

21 July 1981

Wettest day

117 mm

23 January 1992

Windiest day

33.9 km/h

11 October 1972

Strongest gust

86.0 km/h

28 November 1950

Hottest feels-like

38.7 °C

20 January 2015

Coldest feels-like

-3.9 °C

21 July 1981

Sunniest day

13.4 h

16 December 1942

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202533.4 °C26 December 20253.1 °C25 June 202520.3 °C911 mm530
202435.7 °C2 October 20243.2 °C11 August 202421.5 °C1,008 mm880
202335.6 °C13 November 20234.8 °C18 June 202320.7 °C1,082 mm520
202232.9 °C10 September 20221.8 °C20 May 202219.7 °C1,205 mm240
202134.9 °C20 September 20210.8 °C30 July 202120.2 °C956 mm490
202036.1 °C2 October 20204.7 °C28 May 202020.5 °C1,054 mm570
201934.6 °C12 September 20194.0 °C7 July 201921.2 °C1,088 mm740
201832.8 °C18 December 20185.1 °C21 May 201820.9 °C988 mm470
201734.0 °C3 January 20177.4 °C5 July 201720.9 °C933 mm630
201633.9 °C19 October 20162.9 °C13 June 201620.8 °C1,403 mm500
201535.8 °C19 January 20159.2 °C28 July 201521.4 °C1,397 mm710
201435.5 °C19 October 20148.4 °C6 August 201421.3 °C729 mm810
201333.9 °C11 November 20135.8 °C16 August 201320.0 °C1,305 mm270
201233.9 °C31 October 20126.0 °C15 July 201220.5 °C1,103 mm440
201132.2 °C30 September 20112.9 °C28 June 201120.1 °C1,284 mm300
201032.8 °C29 October 20106.1 °C16 August 201020.5 °C1,032 mm530
200932.1 °C2 March 20095.4 °C4 June 200920.4 °C1,615 mm250
200833.4 °C15 October 20087.5 °C15 July 200820.0 °C1,323 mm230
200733.4 °C23 September 20074.7 °C30 July 200720.7 °C1,081 mm420
200632.8 °C25 January 20066.2 °C6 September 200620.1 °C1,168 mm190
200532.6 °C14 October 20056.6 °C9 July 200520.4 °C1,067 mm220
200431.9 °C24 September 20046.0 °C24 July 200419.6 °C1,308 mm160
200332.2 °C11 February 20037.0 °C18 August 200320.2 °C1,164 mm340
200233.5 °C12 October 20023.8 °C3 September 200220.8 °C1,102 mm320
200130.8 °C7 January 20016.7 °C27 June 200120.1 °C1,187 mm120
200032.9 °C13 October 20003.5 °C18 July 200019.9 °C1,488 mm190
199932.7 °C7 September 19996.1 °C16 August 199919.8 °C1,353 mm240
199831.9 °C3 December 19985.8 °C26 June 199820.1 °C1,443 mm210
199733.0 °C11 November 19974.4 °C9 June 199720.1 °C1,480 mm270
199631.7 °C25 January 19965.2 °C13 July 199619.7 °C1,459 mm190
199532.2 °C16 January 19958.2 °C13 April 199520.2 °C1,519 mm330
199433.4 °C2 October 19941.2 °C10 July 199420.5 °C1,336 mm370
199332.3 °C30 November 19935.1 °C1 August 199320.1 °C1,338 mm240
199230.4 °C15 November 19928.4 °C24 July 199219.9 °C1,368 mm30
199130.7 °C18 September 19917.9 °C3 August 199119.9 °C1,537 mm60
199032.0 °C12 October 19903.7 °C23 June 199020.1 °C1,092 mm230
198930.4 °C31 January 19895.5 °C10 July 198919.4 °C1,355 mm20
198833.6 °C27 September 19883.0 °C6 June 198819.9 °C1,435 mm250
198731.1 °C23 February 19872.8 °C9 August 198720.0 °C1,299 mm190
198631.9 °C7 October 19865.4 °C2 June 198619.9 °C1,288 mm130
198533.8 °C17 November 19852.9 °C8 June 198519.8 °C1,269 mm170
198432.8 °C17 January 19845.8 °C27 August 198420.5 °C1,070 mm320
198331.1 °C17 February 19835.6 °C8 August 198319.8 °C2,195 mm50
198230.4 °C15 February 19828.6 °C31 July 198219.7 °C1,535 mm50
198131.9 °C20 September 1981-0.2 °C21 July 198119.5 °C1,290 mm71
198031.3 °C27 October 19805.8 °C15 June 198019.9 °C1,226 mm60
197931.8 °C7 December 19790.3 °C1 June 197919.3 °C1,303 mm70
197831.8 °C25 January 19784.2 °C16 August 197819.6 °C1,183 mm140
197731.6 °C6 February 19776.8 °C21 May 197720.3 °C1,375 mm200
197631.8 °C19 January 19765.5 °C16 August 197619.1 °C1,901 mm80
197531.5 °C13 September 19753.3 °C18 July 197519.6 °C1,367 mm180
197432.1 °C19 November 19746.4 °C29 June 197419.5 °C1,221 mm130
197332.9 °C22 February 19733.5 °C20 June 197319.9 °C1,380 mm190
197231.5 °C26 October 19723.8 °C9 July 197219.6 °C1,499 mm70
197132.5 °C5 February 19715.5 °C25 April 197119.6 °C1,037 mm230
197031.4 °C24 December 19705.0 °C3 July 197019.6 °C930 mm70
196931.9 °C30 January 19692.3 °C11 July 196920.2 °C795 mm180
196832.0 °C6 November 19683.9 °C18 May 196818.8 °C821 mm140
196730.7 °C20 September 19675.0 °C9 June 196719.8 °C1,186 mm60
196631.3 °C14 September 19666.3 °C23 September 196619.1 °C1,373 mm80
196531.1 °C5 September 19651.5 °C12 July 196518.8 °C1,609 mm50
196429.4 °C1 September 19645.6 °C28 July 196418.4 °C1,735 mm00
196334.9 °C17 October 19634.6 °C22 June 196320.2 °C983 mm440
196229.7 °C11 September 19624.7 °C7 July 196218.3 °C1,670 mm00
196135.8 °C28 September 19619.6 °C29 May 196120.2 °C1,263 mm440
196034.3 °C25 September 19606.4 °C10 July 196018.8 °C1,434 mm70
195930.2 °C30 January 19595.8 °C8 June 195919.6 °C1,274 mm80
195831.5 °C16 November 19585.3 °C22 June 195819.2 °C1,217 mm140
195731.9 °C20 October 19572.9 °C22 July 195718.9 °C1,461 mm20
195631.0 °C2 February 19564.7 °C22 July 195618.4 °C1,117 mm50
195533.4 °C1 October 19554.8 °C26 May 195519.2 °C1,146 mm160
195432.5 °C19 September 19546.2 °C21 June 195419.2 °C1,574 mm100
195330.2 °C21 August 19538.8 °C7 July 195319.2 °C1,430 mm10
195231.3 °C4 September 19522.9 °C16 July 195218.9 °C1,322 mm60
195131.2 °C19 November 19518.2 °C30 June 195119.0 °C1,106 mm50
195030.2 °C17 September 19507.5 °C10 June 195018.8 °C1,539 mm10
194930.0 °C13 October 19498.4 °C16 May 194918.7 °C1,650 mm10
194833.1 °C27 September 19485.3 °C16 June 194819.3 °C1,174 mm110
194731.4 °C18 January 19475.2 °C8 July 194718.5 °C1,545 mm60
194629.2 °C22 December 19465.7 °C17 June 194619.0 °C1,733 mm00
194529.5 °C28 September 19458.2 °C14 July 194518.8 °C2,002 mm00
194432.5 °C7 September 19447.2 °C9 June 194419.3 °C1,449 mm150
194329.6 °C17 January 19437.6 °C27 July 194318.1 °C1,299 mm00
194233.7 °C6 October 19424.2 °C18 June 194218.5 °C1,015 mm160
194129.1 °C12 January 19416.9 °C29 May 194119.0 °C2,124 mm00
194030.5 °C23 August 19408.3 °C19 August 194019.1 °C1,811 mm20

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
26.3 °C
+1.3 °C
Hot days (≥ 30 °C)
53 d/yr
+31
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
911 mm
-402 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan27.9 °C+1.3 °C143 mm-77 mm
Feb29.3 °C+2.5 °C114 mm-65 mm
Mar28.8 °C+2.5 °C52 mm-82 mm
Apr25.5 °C+0.5 °C93 mm+24 mm
May24.4 °C+1.6 °C7 mm-50 mm
Jun22.6 °C+0.6 °C43 mm+4 mm
Jul22.7 °C+0.5 °C5 mm-27 mm
Aug25.5 °C+1.2 °C4 mm-27 mm
Sep28.0 °C+2.0 °C33 mm-35 mm
Oct26.3 °C+0.3 °C114 mm-11 mm
Nov26.5 °C+0.5 °C144 mm-4 mm
Dec28.2 °C+2.1 °C160 mm-52 mm

The year's extremes

Hottest day
33.4 °C
26 Dec 2025
Coldest day
3.1 °C
25 Jun 2025
Wettest day
39.0 mm
8 Nov 2025
Windiest day
29.0 km/h
10 Dec 2025
Strongest gust
79.6 km/h
22 Sep 2025
Hottest feels-like
38.0 °C
28 Dec 2025
Coldest feels-like
-0.4 °C
25 Jun 2025
Sunniest day
13.4 h
11 Dec 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 Monte Sião?

Monte Sião has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.8 °C and it receives 1,313 mm of precipitation per year.

What is the hottest day ever recorded in Monte Sião?

The hottest day measured in Monte Sião between 1940 and 2025 was 2 October 2020, reaching 36.1 °C.

What is the coldest day in Monte Sião?

The coldest day measured in Monte Sião between 1940 and 2025 was 21 July 1981, at -0.2 °C.

Does it snow in Monte Sião?

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

Has the climate of Monte Sião warmed?

Yes: Monte Sião warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Monte Sião?

The wettest day measured in Monte Sião between 1940 and 2025 was 23 January 1992, with 117 mm of rain in 24 hours.

What was the windiest day in Monte Sião?

The windiest day measured in Monte Sião between 1940 and 2025 was 11 October 1972, with winds reaching 33.9 km/h.

What is the warmest month in Monte Sião?

The warmest month in Monte Sião is January (22.0 °C on average); the coldest is July (16.3 °C).

How much does it rain in Monte Sião?

Monte Sião receives on average 1,313 mm of precipitation per year, spread over about 155 rainy days.

Is it sunny in Monte Sião?

Monte Sião gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Are there tropical nights in Monte Sião?

Yes: Monte Sião has on average 12 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Monte Sião?

In Monte Sião, between 1940 and 2025, the highest apparent temperature reached 38.7 °C on 20 January 2015, and the lowest was -3.9 °C on 21 July 1981.

Compare Monte Sião with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Monte Sião

Other cities — Brazil