Major Isidoro weather in December

In December, Major Isidoro sees average daytime highs of 33°C and overnight lows near 23°C, with 16 mm of rain across 3.7 wet days and about 12.5 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 41% of the time in December, and the air most often feels muggy.

Daylight stretches from about 12 h 30 min at the start of December to 12 h 30 min by month's end. Set against the rest of the year, December is Major Isidoro's 4th-clearest and 4th-windiest month. For the whole year in context, see Major Isidoro's year-round climate.

Daytime high: 33°; 1st warmest
Overnight low: 23°; 8th coldest
Rainfall: 16 mm; 3.7 wet days
Daylight: 12 h 36 min; 5:08 AM – 5:41 PM
Cloud cover: 52%; 4th clearest
Wind: 13 km/h; 4th windiest
Solar energy: 6.49 kWh/m²
Travel score: 3.8; out of 10

← November Major Isidoro year-round climate January →Best places to visit in December

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical December day in Major Isidoro reaches about 33°C in the afternoon and slips back to 23°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, December runs on par with November and on par with January.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	34	34	34	34	34	34	34	34	34	34	34	34	34	34	34	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33
Avg low (°C)	22	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23

	Avg high (°C)	Avg low (°C)
1	34	22
2	34	23
3	34	23
4	34	23
5	34	23
6	34	23
7	34	23
8	34	23
9	34	23
10	34	23
11	34	23
12	34	23
13	34	23
14	34	23
15	34	23
16	33	23
17	33	23
18	33	23
19	33	23
20	33	23
21	33	23
22	33	23
23	33	23
24	33	23
25	33	23
26	33	23
27	33	23
28	33	23
29	33	23
30	33	23
31	33	23

How December really feels in Major Isidoro

Once humidity and wind are folded in, December averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Major Isidoro weather by month

How December compares with the rest of the year at a glance. December is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	33° / 23°	34	6.3	12.5	3.7
Feb	33° / 23°	34	7.1	12.3	3.7
Mar	33° / 23°	44	9.4	12.1	3.7
Apr	31° / 23°	53	11.2	11.8	4.1
May	29° / 22°	60	14.1	11.6	4.9
Jun	27° / 21°	54	15.8	11.5	5.5
Jul	27° / 20°	51	16.5	11.5	5.7
Aug	27° / 20°	35	13.3	11.7	6.0
Sep	29° / 20°	22	8.4	11.9	5.7
Oct	32° / 21°	16	3.8	12.2	4.9
Nov	33° / 22°	22	2.8	12.4	4.2
Dec	33° / 23°	16	3.7	12.5	3.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 39%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	61	62	62	63	64	64	65	65	65	65	65	64	65	64	64	63	63	62	62	61	60	60	59	58	57	57	57	57	57	57	57
Cloudier (%)	39	38	38	37	36	36	35	35	35	35	35	36	35	36	36	37	37	38	38	39	40	40	41	42	43	43	43	43	43	43	43

	Clearer (%)	Cloudier (%)
1	61	39
2	62	38
3	62	38
4	63	37
5	64	36
6	64	36
7	65	35
8	65	35
9	65	35
10	65	35
11	65	35
12	64	36
13	65	35
14	64	36
15	64	36
16	63	37
17	63	37
18	62	38
19	62	38
20	61	39
21	60	40
22	60	40
23	59	41
24	58	42
25	57	43
26	57	43
27	57	43
28	57	43
29	57	43
30	57	43
31	57	43

Chance of precipitation in December

Any precipitation

Major Isidoro gets around 16 mm of rain over 3.7 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 12% and peaks near 13% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	9	9	9	10	10	10	10	11	11	12	12	12	13	13	13	13	13	13	13	13	13	13	13	13	13	13	12	12	12	12	12

	Rain chance (%)
1	9
2	9
3	9
4	10
5	10
6	10
7	10
8	11
9	11
10	12
11	12
12	12
13	13
14	13
15	13
16	13
17	13
18	13
19	13
20	13
21	13
22	13
23	13
24	13
25	13
26	13
27	12
28	12
29	12
30	12
31	12

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the muggy band about 83% of days. Sticky, muggy-or-worse air turns up on roughly 89% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Humid (%)	12	12	13	13	13	13	13	13	13	13	12	12	12	11	11	11	10	10	10	9	9	9	8	8	8	8	8	7	7	7	7
Muggy (%)	85	85	84	84	84	84	84	83	83	83	84	83	83	84	84	83	84	84	83	84	83	83	84	83	83	83	83	84	84	84	84
Oppressive (%)	3	3	3	3	3	3	3	4	4	4	4	5	5	5	5	6	6	6	7	7	8	8	8	9	9	9	9	9	9	9	9

	Humid (%)	Muggy (%)	Oppressive (%)
1	12	85	3
2	12	85	3
3	13	84	3
4	13	84	3
5	13	84	3
6	13	84	3
7	13	84	3
8	13	83	4
9	13	83	4
10	13	83	4
11	12	84	4
12	12	83	5
13	12	83	5
14	11	84	5
15	11	84	5
16	11	83	6
17	10	84	6
18	10	84	6
19	10	83	7
20	9	84	7
21	9	83	8
22	9	83	8
23	8	84	8
24	8	83	9
25	8	83	9
26	8	83	9
27	8	83	9
28	7	84	9
29	7	84	9
30	7	84	9
31	7	84	9

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	13	light breeze
2	13	light breeze
3	13	light breeze
4	13	light breeze
5	13	light breeze
6	13	light breeze
7	13	light breeze
8	13	light breeze
9	13	light breeze
10	13	light breeze
11	13	light breeze
12	13	light breeze
13	13	light breeze
14	13	light breeze
15	13	light breeze
16	13	light breeze
17	13	light breeze
18	13	light breeze
19	13	light breeze
20	13	light breeze
21	13	light breeze
22	13	light breeze
23	13	light breeze
24	13	light breeze
25	13	light breeze
26	13	light breeze
27	13	light breeze
28	13	light breeze
29	13	light breeze
30	13	light breeze
31	13	light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 30 min at the start of December to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 5:02 AM to 5:15 AM, and sunset from 5:33 PM to 5:48 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.5
Sunrise (AM)	5:02	5:02	5:03	5:03	5:03	5:04	5:04	5:04	5:05	5:05	5:05	5:06	5:06	5:07	5:07	5:08	5:08	5:08	5:09	5:09	5:10	5:10	5:11	5:11	5:12	5:12	5:13	5:13	5:14	5:14	5:15
Sunset (PM)	5:33	5:34	5:34	5:35	5:35	5:36	5:36	5:37	5:37	5:38	5:38	5:39	5:39	5:40	5:40	5:41	5:41	5:42	5:42	5:43	5:43	5:44	5:44	5:45	5:45	5:45	5:46	5:46	5:47	5:47	5:48

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.5	5:02	5:33
2	12.5	5:02	5:34
3	12.5	5:03	5:34
4	12.5	5:03	5:35
5	12.5	5:03	5:35
6	12.5	5:04	5:36
7	12.5	5:04	5:36
8	12.5	5:04	5:37
9	12.5	5:05	5:37
10	12.5	5:05	5:38
11	12.5	5:05	5:38
12	12.5	5:06	5:39
13	12.5	5:06	5:39
14	12.6	5:07	5:40
15	12.6	5:07	5:40
16	12.6	5:08	5:41
17	12.6	5:08	5:41
18	12.6	5:08	5:42
19	12.6	5:09	5:42
20	12.6	5:09	5:43
21	12.6	5:10	5:43
22	12.6	5:10	5:44
23	12.6	5:11	5:44
24	12.6	5:11	5:45
25	12.6	5:12	5:45
26	12.6	5:12	5:45
27	12.6	5:13	5:46
28	12.6	5:13	5:46
29	12.6	5:14	5:47
30	12.6	5:14	5:47
31	12.5	5:15	5:48

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.49 kWh/m².

For context, solar energy here swings from a low near 3.8 kWh/m² to a high of 6.5 kWh/m² in November across the year — December's 6.49 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	6.6	6.6	6.6	6.6	6.6	6.6	6.6	6.6	6.6	6.6	6.5	6.5	6.5	6.5	6.5	6.5	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	6.6	Intense
2	6.6	Intense
3	6.6	Intense
4	6.6	Intense
5	6.6	Intense
6	6.6	Intense
7	6.6	Intense
8	6.6	Intense
9	6.6	Intense
10	6.6	Intense
11	6.5	Intense
12	6.5	Intense
13	6.5	Intense
14	6.5	Intense
15	6.5	Intense
16	6.5	Intense
17	6.4	Intense
18	6.4	Intense
19	6.4	Intense
20	6.4	Intense
21	6.4	Intense
22	6.4	Intense
23	6.4	Intense
24	6.4	Intense
25	6.4	Intense
26	6.4	Intense
27	6.4	Intense
28	6.4	Intense
29	6.4	Intense
30	6.4	Intense
31	6.4	Intense

Planning a trip in December

Is December a good time to visit Major Isidoro?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.8

Sightseeing

9th-best month of the year

7.1

Beach & pool

4th-best month of the year

December is a weaker month for outdoor sightseeing in Major Isidoro. The water and warmth also suit a beach or pool day.

What to pack for Major Isidoro in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Major Isidoro sees daytime highs around 33°C and nights near 23°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Major Isidoro in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Major Isidoro peaks around March 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	14	15	15	13	11	10	9	10	12	13	12	12
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	14	Extreme
Feb	15	Extreme
Mar	15	Extreme
Apr	13	Extreme
May	11	Extreme
Jun	10	Very high
Jul	9	Very high
Aug	10	Very high
Sep	12	Extreme
Oct	13	Extreme
Nov	12	Extreme
Dec	12	Extreme

Location & terrain

Where is Major Isidoro?

Major Isidoro sits at 9.5°S, 37.0°W, 191 m above sea level, in Brazil. The nearest listed city is Batalha, 22 km away.

Topography around Major Isidoro

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Major Isidoro.

Within 3 km, the terrain around Major Isidoro has only modest variations in elevation — a maximum elevation change of 55 m around an average of 204 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 333 m; within 80 km, large variations in elevation — a maximum elevation change of 1,082 m.

The land around Major Isidoro is covered by grassland (72%) within 3 km, grassland (69%) and shrubs (21%) within 16 km, and grassland (72%) within 80 km.

3 km

55 m

grassland 72%

16 km

333 m

grassland 69%

80 km

1,082 m

grassland 72%

treesshrubsgrasslandcroplandartificial surfaceswater

← November Major Isidoro year-round climate January →Best places to visit in December

December weather nearby: Batalha 22 km · Craíbas 26 km · Estrela de Alagoas 29 km · Santana do Ipanema 33 km · Olho d'Água das Flores 34 km · Igaci 39 km · Girau do Ponciano 43 km · Lagoa da Canoa 43 km

Brazil travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type C / N; 127 / 220 V · 60 Hz
Prices: ≈ 46% of US; price level, 2025
GDP per capita: $10,713; 2025
Happiness: 6.6 / 10; World Happiness, 2025
Safe drinking water: 89%; of population, 2024
Homicide rate: 19.3; per 100k, 2023
Road deaths: 16; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Low; EF EPI 482
Religion

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Major Isidoro (-9.5322°, -36.985°, elevation 191 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°C)	Avg low (°C)
1	34	22
2	34	23
3	34	23
4	34	23
5	34	23
6	34	23
7	34	23
8	34	23
9	34	23
10	34	23
11	34	23
12	34	23
13	34	23
14	34	23
15	34	23
16	33	23
17	33	23
18	33	23
19	33	23
20	33	23
21	33	23
22	33	23
23	33	23
24	33	23
25	33	23
26	33	23
27	33	23
28	33	23
29	33	23
30	33	23
31	33	23

	Clearer (%)	Cloudier (%)
1	61	39
2	62	38
3	62	38
4	63	37
5	64	36
6	64	36
7	65	35
8	65	35
9	65	35
10	65	35
11	65	35
12	64	36
13	65	35
14	64	36
15	64	36
16	63	37
17	63	37
18	62	38
19	62	38
20	61	39
21	60	40
22	60	40
23	59	41
24	58	42
25	57	43
26	57	43
27	57	43
28	57	43
29	57	43
30	57	43
31	57	43

	Rain chance (%)
1	9
2	9
3	9
4	10
5	10
6	10
7	10
8	11
9	11
10	12
11	12
12	12
13	13
14	13
15	13
16	13
17	13
18	13
19	13
20	13
21	13
22	13
23	13
24	13
25	13
26	13
27	12
28	12
29	12
30	12
31	12

	Humid (%)	Muggy (%)	Oppressive (%)
1	12	85	3
2	12	85	3
3	13	84	3
4	13	84	3
5	13	84	3
6	13	84	3
7	13	84	3
8	13	83	4
9	13	83	4
10	13	83	4
11	12	84	4
12	12	83	5
13	12	83	5
14	11	84	5
15	11	84	5
16	11	83	6
17	10	84	6
18	10	84	6
19	10	83	7
20	9	84	7
21	9	83	8
22	9	83	8
23	8	84	8
24	8	83	9
25	8	83	9
26	8	83	9
27	8	83	9
28	7	84	9
29	7	84	9
30	7	84	9
31	7	84	9

	Avg high (°C)	Avg low (°C)
1	34	22
2	34	23
3	34	23
4	34	23
5	34	23
6	34	23
7	34	23
8	34	23
9	34	23
10	34	23
11	34	23
12	34	23
13	34	23
14	34	23
15	34	23
16	33	23
17	33	23
18	33	23
19	33	23
20	33	23
21	33	23
22	33	23
23	33	23
24	33	23
25	33	23
26	33	23
27	33	23
28	33	23
29	33	23
30	33	23
31	33	23

	Clearer (%)	Cloudier (%)
1	61	39
2	62	38
3	62	38
4	63	37
5	64	36
6	64	36
7	65	35
8	65	35
9	65	35
10	65	35
11	65	35
12	64	36
13	65	35
14	64	36
15	64	36
16	63	37
17	63	37
18	62	38
19	62	38
20	61	39
21	60	40
22	60	40
23	59	41
24	58	42
25	57	43
26	57	43
27	57	43
28	57	43
29	57	43
30	57	43
31	57	43

	Rain chance (%)
1	9
2	9
3	9
4	10
5	10
6	10
7	10
8	11
9	11
10	12
11	12
12	12
13	13
14	13
15	13
16	13
17	13
18	13
19	13
20	13
21	13
22	13
23	13
24	13
25	13
26	13
27	12
28	12
29	12
30	12
31	12

	Humid (%)	Muggy (%)	Oppressive (%)
1	12	85	3
2	12	85	3
3	13	84	3
4	13	84	3
5	13	84	3
6	13	84	3
7	13	84	3
8	13	83	4
9	13	83	4
10	13	83	4
11	12	84	4
12	12	83	5
13	12	83	5
14	11	84	5
15	11	84	5
16	11	83	6
17	10	84	6
18	10	84	6
19	10	83	7
20	9	84	7
21	9	83	8
22	9	83	8
23	8	84	8
24	8	83	9
25	8	83	9
26	8	83	9
27	8	83	9
28	7	84	9
29	7	84	9
30	7	84	9
31	7	84	9

	Avg high (°C)	Avg low (°C)
1	34	22
2	34	23
3	34	23
4	34	23
5	34	23
6	34	23
7	34	23
8	34	23
9	34	23
10	34	23
11	34	23
12	34	23
13	34	23
14	34	23
15	34	23
16	33	23
17	33	23
18	33	23
19	33	23
20	33	23
21	33	23
22	33	23
23	33	23
24	33	23
25	33	23
26	33	23
27	33	23
28	33	23
29	33	23
30	33	23
31	33	23

	Clearer (%)	Cloudier (%)
1	61	39
2	62	38
3	62	38
4	63	37
5	64	36
6	64	36
7	65	35
8	65	35
9	65	35
10	65	35
11	65	35
12	64	36
13	65	35
14	64	36
15	64	36
16	63	37
17	63	37
18	62	38
19	62	38
20	61	39
21	60	40
22	60	40
23	59	41
24	58	42
25	57	43
26	57	43
27	57	43
28	57	43
29	57	43
30	57	43
31	57	43

	Rain chance (%)
1	9
2	9
3	9
4	10
5	10
6	10
7	10
8	11
9	11
10	12
11	12
12	12
13	13
14	13
15	13
16	13
17	13
18	13
19	13
20	13
21	13
22	13
23	13
24	13
25	13
26	13
27	12
28	12
29	12
30	12
31	12

	Humid (%)	Muggy (%)	Oppressive (%)
1	12	85	3
2	12	85	3
3	13	84	3
4	13	84	3
5	13	84	3
6	13	84	3
7	13	84	3
8	13	83	4
9	13	83	4
10	13	83	4
11	12	84	4
12	12	83	5
13	12	83	5
14	11	84	5
15	11	84	5
16	11	83	6
17	10	84	6
18	10	84	6
19	10	83	7
20	9	84	7
21	9	83	8
22	9	83	8
23	8	84	8
24	8	83	9
25	8	83	9
26	8	83	9
27	8	83	9
28	7	84	9
29	7	84	9
30	7	84	9
31	7	84	9