Carolina climate — normals and trends

Carolina (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.8 °C and it receives 1,507 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 September (29.0 °C on average) and the coldest is January (25.5 °C). Rainfall peaks in March.

Carolina averages 0 frost days, 270 hot days (≥ 30 °C) and 173 rainy days per year.

Carolina has warmed by +0.6 °C between 1940 and 2025, or +0.07 °C per decade. This trend is statistically significant.

The hottest day of the period reached 40.4 °C (on 3 October 1958) and the coldest 14.8 °C (on 22 July 2024).

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

CarolinaMaranhão

coords
-7.34°, -47.46°
period
19402025 · 86 yrs
AwTropical savannaWarmest monthSeptemberColdest monthJanuaryWettest monthMarchDriest monthJuly

Mean daily temperature

26.8°C

Average daily high

31.9°C

Average daily low

22.5°C

Annual rainfall

1,507mm

Sunshine / day

10.4h

Mean relative humidity

70%

Average peak wind

11.1km/h

Seasonal range

3.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

270 d/yr

Rainy days (≥ 1 mm)

173 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.1 °C

Average feels-like low

25.5 °C

Average peak gust

29.4 km/h

Tropical nights (≥ 20 °C)

352 d/yr

Solar radiation

19.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.6 °C

since 1940

+0.1 °C per decade · r² = 0.09 · p = 0.005

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

40.4 °C

3 October 1958

Coldest day

14.8 °C

22 July 2024

Wettest day

240 mm

3 January 2022

Windiest day

26.0 km/h

14 November 1985

Strongest gust

53.6 km/h

30 December 1992

Hottest feels-like

44.8 °C

6 February 1998

Coldest feels-like

14.0 °C

22 July 2024

Sunniest day

12.4 h

11 January 1944

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202539.5 °C10 September 202517.0 °C18 July 202527.3 °C1,246 mm3030
202439.4 °C17 September 202414.8 °C22 July 202427.7 °C1,289 mm3270
202339.2 °C13 September 202316.9 °C21 July 202327.6 °C945 mm3240
202238.4 °C5 September 202217.2 °C3 August 202227.3 °C1,568 mm3080
202138.0 °C28 August 202116.5 °C29 June 202127.0 °C1,391 mm2990
202037.7 °C17 September 202015.9 °C1 August 202027.2 °C1,376 mm3090
201938.6 °C20 September 201919.2 °C1 August 201927.6 °C1,193 mm3230
201837.7 °C22 September 201818.4 °C26 June 201827.5 °C1,340 mm3120
201739.7 °C28 September 201717.9 °C15 July 201727.8 °C1,417 mm3190
201638.2 °C1 September 201618.6 °C31 July 201627.9 °C1,364 mm3280
201539.4 °C16 October 201518.9 °C2 August 201527.9 °C1,014 mm3350
201437.4 °C26 August 201418.5 °C19 August 201427.2 °C1,271 mm3020
201337.5 °C19 September 201318.1 °C4 August 201327.3 °C1,526 mm3090
201237.7 °C8 October 201217.7 °C28 July 201227.1 °C1,231 mm3010
201138.3 °C25 September 201117.7 °C3 July 201127.0 °C1,609 mm2980
201038.1 °C24 September 201016.9 °C10 August 201027.6 °C1,220 mm3160
200937.8 °C29 September 200918.6 °C2 August 200926.9 °C1,720 mm2890
200837.7 °C15 October 200817.1 °C15 July 200826.9 °C1,711 mm2890
200737.0 °C29 September 200718.1 °C22 July 200727.1 °C1,240 mm2980
200637.1 °C29 August 200617.4 °C24 July 200626.9 °C1,421 mm2900
200538.2 °C20 September 200517.4 °C23 July 200527.3 °C1,531 mm3070
200436.3 °C19 August 200418.3 °C28 July 200427.0 °C1,560 mm2950
200337.0 °C6 October 200319.3 °C7 July 200327.0 °C1,194 mm2960
200237.2 °C1 September 200219.0 °C4 July 200226.9 °C1,288 mm3010
200136.7 °C23 August 200117.8 °C6 August 200126.7 °C1,508 mm3040
200037.9 °C29 August 200018.7 °C27 May 200026.6 °C1,426 mm2780
199937.7 °C4 September 199918.4 °C5 July 199926.6 °C1,795 mm2900
199837.8 °C14 September 199819.6 °C25 June 199827.8 °C1,241 mm3240
199737.1 °C16 September 199717.7 °C26 June 199726.8 °C1,616 mm2890
199637.3 °C12 September 199617.7 °C11 July 199626.7 °C1,775 mm2860
199538.0 °C30 September 199517.8 °C14 July 199526.7 °C1,771 mm2880
199437.1 °C17 September 199418.5 °C1 August 199426.6 °C1,731 mm2800
199336.9 °C26 August 199319.2 °C21 July 199326.6 °C1,404 mm2850
199236.4 °C24 August 199217.4 °C22 July 199226.5 °C1,580 mm2750
199136.9 °C12 September 199118.7 °C21 July 199126.4 °C1,573 mm2750
199036.9 °C17 August 199019.7 °C29 July 199027.0 °C1,132 mm3020
198936.7 °C5 October 198919.2 °C10 August 198926.4 °C1,770 mm2530
198837.5 °C24 September 198818.1 °C20 August 198826.7 °C1,790 mm2800
198736.8 °C15 August 198720.3 °C27 July 198727.2 °C1,570 mm2990
198635.7 °C13 September 198618.3 °C16 June 198626.3 °C1,657 mm2550
198536.6 °C17 September 198518.4 °C28 June 198525.9 °C2,421 mm2070
198436.2 °C5 August 198417.8 °C4 August 198426.3 °C1,828 mm2610
198337.2 °C15 August 198319.4 °C12 August 198327.1 °C1,484 mm2890
198236.0 °C30 August 198220.0 °C9 July 198226.6 °C1,699 mm2800
198137.4 °C21 September 198117.4 °C26 July 198126.8 °C1,337 mm2780
198036.1 °C26 August 198019.8 °C21 July 198026.6 °C1,990 mm2710
197936.0 °C16 August 197918.8 °C27 July 197926.2 °C2,034 mm2650
197836.2 °C6 October 197819.2 °C7 August 197826.2 °C2,140 mm2570
197735.9 °C8 September 197718.1 °C24 July 197726.0 °C2,222 mm2380
197635.9 °C2 September 197616.2 °C24 June 197626.0 °C1,618 mm2460
197536.5 °C24 September 197517.8 °C6 August 197525.7 °C1,764 mm2260
197435.6 °C24 September 197416.4 °C3 July 197425.7 °C1,979 mm2230
197336.3 °C19 September 197318.4 °C4 August 197326.3 °C1,797 mm2580
197235.9 °C8 September 197218.3 °C3 July 197226.5 °C1,722 mm2640
197136.5 °C4 July 197118.3 °C7 July 197126.0 °C2,052 mm2310
197036.6 °C24 August 197018.0 °C22 June 197026.5 °C1,793 mm2740
196936.5 °C20 August 196918.5 °C3 August 196927.1 °C1,106 mm3070
196836.5 °C10 September 196816.5 °C15 June 196826.1 °C1,353 mm2290
196736.0 °C22 October 196716.6 °C23 July 196726.1 °C1,457 mm2290
196637.7 °C2 September 196618.6 °C16 June 196626.3 °C1,993 mm2150
196538.3 °C26 September 196518.8 °C29 July 196526.9 °C1,167 mm2340
196437.9 °C23 September 196417.8 °C3 June 196426.2 °C1,650 mm2020
196339.5 °C7 October 196317.9 °C13 July 196327.1 °C1,289 mm2310
196239.1 °C18 October 196217.9 °C21 June 196226.9 °C1,308 mm2210
196140.1 °C2 November 196116.9 °C15 August 196127.1 °C1,210 mm2500
196039.2 °C10 October 196017.9 °C17 July 196027.4 °C1,922 mm2490
195938.8 °C14 October 195917.9 °C8 July 195926.8 °C1,665 mm2150
195840.4 °C3 October 195818.7 °C19 August 195828.1 °C1,217 mm2910
195740.0 °C31 October 195718.7 °C14 June 195727.5 °C1,650 mm2400
195637.0 °C13 September 195618.9 °C19 July 195626.0 °C1,663 mm1780
195539.6 °C17 September 195517.3 °C28 July 195526.8 °C1,534 mm2320
195438.4 °C18 October 195417.9 °C5 August 195426.6 °C1,166 mm2650
195337.3 °C3 September 195319.3 °C17 July 195326.6 °C1,399 mm2440
195238.1 °C9 October 195218.7 °C29 July 195226.7 °C1,442 mm2300
195138.3 °C27 September 195117.4 °C22 July 195127.1 °C907 mm2540
195038.5 °C21 September 195018.3 °C12 July 195027.4 °C1,075 mm2650
194938.4 °C21 September 194918.3 °C3 August 194926.9 °C1,134 mm2260
194838.0 °C5 September 194818.8 °C21 June 194826.7 °C1,220 mm2430
194737.7 °C24 August 194719.0 °C13 August 194726.5 °C1,767 mm2100
194638.5 °C17 September 194617.6 °C3 July 194626.8 °C1,048 mm2560
194538.9 °C16 September 194518.9 °C16 July 194526.7 °C1,417 mm2310
194439.5 °C29 September 194419.7 °C10 July 194427.0 °C1,883 mm2350
194337.6 °C11 September 194318.2 °C19 June 194326.3 °C1,862 mm1990
194238.5 °C27 November 194219.2 °C14 May 194227.5 °C1,047 mm2860
194139.4 °C19 October 194119.3 °C24 July 194128.0 °C892 mm3080
194037.2 °C8 December 194017.9 °C8 July 194026.9 °C1,240 mm2420

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
+0.9 °C
Hot days (≥ 30 °C)
303 d/yr
+33
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
1246 mm
-261 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan29.7 °C0.0 °C288 mm+28 mm
Feb30.2 °C+0.5 °C193 mm-67 mm
Mar30.8 °C+1.1 °C260 mm-7 mm
Apr31.6 °C+1.3 °C87 mm-96 mm
May33.2 °C+1.6 °C13 mm-48 mm
Jun34.0 °C+1.1 °C2 mm-7 mm
Jul34.8 °C+1.1 °C1 mm-3 mm
Aug35.7 °C+0.7 °C1 mm-4 mm
Sep36.5 °C+1.4 °C6 mm-15 mm
Oct35.0 °C+1.6 °C24 mm-57 mm
Nov31.9 °C+0.5 °C158 mm+4 mm
Dec30.1 °C-0.2 °C215 mm+12 mm

The year's extremes

Hottest day
39.5 °C
10 Sep 2025
Coldest day
17.0 °C
18 Jul 2025
Wettest day
52.3 mm
21 Mar 2025
Windiest day
22.0 km/h
15 Jun 2025
Strongest gust
46.8 km/h
22 Oct 2025
Hottest feels-like
41.7 °C
6 Oct 2025
Coldest feels-like
16.4 °C
14 Jul 2025
Sunniest day
12.2 h
5 Feb 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 Carolina?

Carolina has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.8 °C and it receives 1,507 mm of precipitation per year.

What is the hottest day ever recorded in Carolina?

The hottest day measured in Carolina between 1940 and 2025 was 3 October 1958, reaching 40.4 °C.

What is the coldest day in Carolina?

The coldest day measured in Carolina between 1940 and 2025 was 22 July 2024, at 14.8 °C.

Does it snow in Carolina?

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

Has the climate of Carolina warmed?

Yes: Carolina warmed by +0.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Carolina?

The wettest day measured in Carolina between 1940 and 2025 was 3 January 2022, with 240 mm of rain in 24 hours.

What was the windiest day in Carolina?

The windiest day measured in Carolina between 1940 and 2025 was 14 November 1985, with winds reaching 26.0 km/h.

What is the warmest month in Carolina?

The warmest month in Carolina is September (29.0 °C on average); the coldest is January (25.5 °C).

How much does it rain in Carolina?

Carolina receives on average 1,507 mm of precipitation per year, spread over about 173 rainy days.

Is it sunny in Carolina?

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

Are there tropical nights in Carolina?

Yes: Carolina has on average 352 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Carolina?

In Carolina, between 1940 and 2025, the highest apparent temperature reached 44.8 °C on 6 February 1998, and the lowest was 14.0 °C on 22 July 2024.

Compare Carolina with another city

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

Nearby cities

The climate around Carolina

Other cities — Brazil