Gandu weather in December

In December, Gandu sees average daytime highs of 29°C and overnight lows near 21°C, with 92 mm of rain across 16.2 wet days and about 12.8 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 17% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 48 min at the start of December to 12 h 48 min by month's end. Set against the rest of the year, December is Gandu's 11th-clearest and 4th-windiest month. For the whole year in context, see Gandu's year-round climate.

Daytime high: 29°; 4th warmest
Overnight low: 21°; 8th coldest
Rainfall: 92 mm; 16.2 wet days
Daylight: 12 h 48 min; 5:10 AM – 5:58 PM
Cloud cover: 67%; 11th clearest
Wind: 8 km/h; 4th windiest
Solar energy: 5.55 kWh/m²
Travel score: 4.8; out of 10

Gandu is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← November Gandu 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 29°C through the month.

A typical December day in Gandu reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, December runs about 1°C warmer than 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)	28	28	28	28	28	28	28	28	28	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29
Avg low (°C)	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21

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

How December really feels in Gandu

Once humidity and wind are folded in, December averages 0 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

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Gandu weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	29° / 21°	93	19.6	12.7	4.3
Feb	29° / 21°	77	18.7	12.5	4.1
Mar	29° / 21°	101	21.8	12.1	4.0
Apr	28° / 21°	95	22.4	11.7	4.3
May	26° / 20°	74	19.2	11.4	5.2
Jun	25° / 19°	72	19.7	11.2	5.3
Jul	24° / 18°	80	21	11.3	5.3
Aug	25° / 17°	70	19.4	11.5	5.4
Sep	26° / 18°	59	16.7	11.9	5.6
Oct	27° / 20°	68	16.8	12.3	5.5
Nov	28° / 21°	107	17.7	12.6	5.1
Dec	29° / 21°	92	16.2	12.8	4.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 24% of December, with mostly cloudy or overcast conditions the remaining 59%.

	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 (%)	34	35	36	36	37	36	37	37	38	38	38	39	40	41	41	41	41	42	43	43	44	44	44	44	44	44	44	44	44	44	44
Cloudier (%)	66	65	64	64	63	64	63	63	62	62	62	61	60	59	59	59	59	58	57	57	56	56	56	56	56	56	56	56	56	56	56

	Clearer (%)	Cloudier (%)
1	34	66
2	35	65
3	36	64
4	36	64
5	37	63
6	36	64
7	37	63
8	37	63
9	38	62
10	38	62
11	38	62
12	39	61
13	40	60
14	41	59
15	41	59
16	41	59
17	41	59
18	42	58
19	43	57
20	43	57
21	44	56
22	44	56
23	44	56
24	44	56
25	44	56
26	44	56
27	44	56
28	44	56
29	44	56
30	44	56
31	44	56

Chance of precipitation in December

Any precipitation

Gandu gets around 92 mm of rain over 16.2 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 52% and peaks near 55% 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 (%)	55	54	54	53	53	52	52	51	51	51	51	50	50	50	50	50	51	51	51	51	52	52	52	52	53	53	53	53	54	54	55

	Rain chance (%)
1	55
2	54
3	54
4	53
5	53
6	52
7	52
8	51
9	51
10	51
11	51
12	50
13	50
14	50
15	50
16	50
17	51
18	51
19	51
20	51
21	52
22	52
23	52
24	52
25	53
26	53
27	53
28	53
29	54
30	54
31	55

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 100% 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
Muggy (%)	43	42	41	40	40	39	38	38	38	37	38	38	38	38	39	39	39	39	39	39	39	39	39	39	39	38	38	37	37	36	35
Oppressive (%)	57	58	59	60	60	61	62	62	62	63	62	62	62	62	61	61	61	61	61	61	61	61	61	61	61	62	62	63	63	64	65

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

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 8 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)	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

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

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 48 min at the start of December to 12 h 48 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 5:05 AM to 5:17 AM, and sunset from 5:50 PM to 6:05 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)	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8
Sunrise (AM)	5:05	5:05	5:06	5:06	5:06	5:06	5:07	5:07	5:07	5:08	5:08	5:08	5:09	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	5:15	5:16	5:16	5:17	5:17
Sunset (PM)	5:50	5:51	5:51	5:52	5:52	5:53	5:54	5:54	5:55	5:55	5:56	5:56	5:57	5:57	5:58	5:58	5:59	5:59	6:00	6:00	6:01	6:01	6:02	6:02	6:03	6:03	6:04	6:04	6:04	6:05	6:05

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.8	5:05	5:50
2	12.8	5:05	5:51
3	12.8	5:06	5:51
4	12.8	5:06	5:52
5	12.8	5:06	5:52
6	12.8	5:06	5:53
7	12.8	5:07	5:54
8	12.8	5:07	5:54
9	12.8	5:07	5:55
10	12.8	5:08	5:55
11	12.8	5:08	5:56
12	12.8	5:08	5:56
13	12.8	5:09	5:57
14	12.8	5:09	5:57
15	12.8	5:09	5:58
16	12.8	5:10	5:58
17	12.8	5:10	5:59
18	12.8	5:11	5:59
19	12.8	5:11	6:00
20	12.8	5:12	6:00
21	12.8	5:12	6:01
22	12.8	5:13	6:01
23	12.8	5:13	6:02
24	12.8	5:14	6:02
25	12.8	5:14	6:03
26	12.8	5:15	6:03
27	12.8	5:15	6:04
28	12.8	5:16	6:04
29	12.8	5:16	6:04
30	12.8	5:17	6:05
31	12.8	5:17	6:05

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.55 kWh/m².

For context, solar energy here swings from a low near 3.28 kWh/m² to a high of 5.63 kWh/m² in January across the year — December's 5.55 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)	5.3	5.3	5.3	5.3	5.4	5.4	5.4	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.7	5.7	5.7	5.7	5.7	5.7	5.7
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.3	Bright
2	5.3	Bright
3	5.3	Bright
4	5.3	Bright
5	5.4	Bright
6	5.4	Bright
7	5.4	Bright
8	5.5	Bright
9	5.5	Bright
10	5.5	Bright
11	5.5	Bright
12	5.5	Bright
13	5.5	Bright
14	5.5	Bright
15	5.6	Bright
16	5.6	Bright
17	5.6	Bright
18	5.6	Bright
19	5.6	Bright
20	5.6	Bright
21	5.6	Bright
22	5.6	Bright
23	5.6	Bright
24	5.6	Bright
25	5.7	Bright
26	5.7	Bright
27	5.7	Bright
28	5.7	Bright
29	5.7	Bright
30	5.7	Bright
31	5.7	Bright

Planning a trip in December

Is December a good time to visit Gandu?

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

4.8

Sightseeing

8th-best month of the year

5.9

Beach & pool

1st-best month of the year

December is a reasonable time to visit Gandu for sightseeing.

What to pack for Gandu in December

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

In December, Gandu sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Gandu in December

The nearest coast averages about 27°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 67 km away) is warmest in March at about 28°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	28	28	28	28	28	26	26	25	26	26	27	27
Comfort	Warm	Tropical	Tropical	Tropical	Warm	Warm	Warm	Warm	Warm	Warm	Warm	Warm

	Sea temperature (°C)	Comfort
Jan	28	Warm
Feb	28	Tropical
Mar	28	Tropical
Apr	28	Tropical
May	28	Warm
Jun	26	Warm
Jul	26	Warm
Aug	25	Warm
Sep	26	Warm
Oct	26	Warm
Nov	27	Warm
Dec	27	Warm

UV index in Gandu 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 Gandu peaks around February 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 8 (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	12	9	8	8	10	11	13	14	12
Level	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high	Very high	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	14	Extreme
Feb	15	Extreme
Mar	15	Extreme
Apr	12	Extreme
May	9	Very high
Jun	8	Very high
Jul	8	Very high
Aug	10	Very high
Sep	11	Extreme
Oct	13	Extreme
Nov	14	Extreme
Dec	12	Extreme

Location & terrain

Where is Gandu?

Gandu sits at 13.7°S, 39.5°W, 159 m above sea level, in Brazil. The nearest listed city is Wenceslau Guimarães, 7.0 km away.

Topography around Gandu

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

Within 3 km, the terrain around Gandu has significant variations in elevation — a maximum elevation change of 270 m around an average of 208 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 520 m; within 80 km, large variations in elevation — a maximum elevation change of 970 m.

The land around Gandu is covered by trees (78%) within 3 km, trees (84%) within 16 km, and trees (63%) and grassland (24%) within 80 km.

3 km

270 m

trees 78%

16 km

520 m

trees 84%

80 km

970 m

trees 63%

treesgrasslandartificial surfaceswatermangroves

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

December weather nearby: Wenceslau Guimarães 7.0 km · Teolândia 16 km · Presidente Tancredo Neves 33 km · Ituberá 37 km · Ibirataia 40 km · Camamu 47 km · Taperoá 48 km · Ibirapitanga 48 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 Gandu (-13.7439°, -39.4867°, elevation 159 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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	28	21
2	28	21
3	28	21
4	28	21
5	28	21
6	28	21
7	28	21
8	28	21
9	28	21
10	29	21
11	29	21
12	29	21
13	29	21
14	29	21
15	29	21
16	29	21
17	29	21
18	29	21
19	29	21
20	29	21
21	29	21
22	29	21
23	29	21
24	29	21
25	29	21
26	29	21
27	29	21
28	29	21
29	29	21
30	29	21
31	29	21

	Clearer (%)	Cloudier (%)
1	34	66
2	35	65
3	36	64
4	36	64
5	37	63
6	36	64
7	37	63
8	37	63
9	38	62
10	38	62
11	38	62
12	39	61
13	40	60
14	41	59
15	41	59
16	41	59
17	41	59
18	42	58
19	43	57
20	43	57
21	44	56
22	44	56
23	44	56
24	44	56
25	44	56
26	44	56
27	44	56
28	44	56
29	44	56
30	44	56
31	44	56

	Rain chance (%)
1	55
2	54
3	54
4	53
5	53
6	52
7	52
8	51
9	51
10	51
11	51
12	50
13	50
14	50
15	50
16	50
17	51
18	51
19	51
20	51
21	52
22	52
23	52
24	52
25	53
26	53
27	53
28	53
29	54
30	54
31	55

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

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

	Clearer (%)	Cloudier (%)
1	34	66
2	35	65
3	36	64
4	36	64
5	37	63
6	36	64
7	37	63
8	37	63
9	38	62
10	38	62
11	38	62
12	39	61
13	40	60
14	41	59
15	41	59
16	41	59
17	41	59
18	42	58
19	43	57
20	43	57
21	44	56
22	44	56
23	44	56
24	44	56
25	44	56
26	44	56
27	44	56
28	44	56
29	44	56
30	44	56
31	44	56

	Rain chance (%)
1	55
2	54
3	54
4	53
5	53
6	52
7	52
8	51
9	51
10	51
11	51
12	50
13	50
14	50
15	50
16	50
17	51
18	51
19	51
20	51
21	52
22	52
23	52
24	52
25	53
26	53
27	53
28	53
29	54
30	54
31	55

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

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

	Clearer (%)	Cloudier (%)
1	34	66
2	35	65
3	36	64
4	36	64
5	37	63
6	36	64
7	37	63
8	37	63
9	38	62
10	38	62
11	38	62
12	39	61
13	40	60
14	41	59
15	41	59
16	41	59
17	41	59
18	42	58
19	43	57
20	43	57
21	44	56
22	44	56
23	44	56
24	44	56
25	44	56
26	44	56
27	44	56
28	44	56
29	44	56
30	44	56
31	44	56

	Rain chance (%)
1	55
2	54
3	54
4	53
5	53
6	52
7	52
8	51
9	51
10	51
11	51
12	50
13	50
14	50
15	50
16	50
17	51
18	51
19	51
20	51
21	52
22	52
23	52
24	52
25	53
26	53
27	53
28	53
29	54
30	54
31	55

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