Riachão do Jacuípe weather in December

In December, Riachão do Jacuípe sees average daytime highs of 33°C and overnight lows near 22°C, with 44 mm of rain across 6.3 wet days and about 12.7 hours of daylight. It is the 3rd-warmest and 3rd-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 24% of the time in December, and the air most often feels muggy.

Daylight stretches from about 12 h 36 min at the start of December to 12 h 42 min by month's end. Set against the rest of the year, December is Riachão do Jacuípe's 6th-clearest and 11th-windiest month. For the whole year in context, see Riachão do Jacuípe's year-round climate.

Daytime high: 33°; 3rd warmest
Overnight low: 22°; 9th coldest
Rainfall: 44 mm; 6.3 wet days
Daylight: 12 h 42 min; 5:13 AM – 5:54 PM
Cloud cover: 61%; 6th clearest
Wind: 11 km/h; 11th windiest
Solar energy: 6.14 kWh/m²
Travel score: 3.6; out of 10

← November Riachão do Jacuípe 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 Riachão do Jacuípe reaches about 33°C in the afternoon and slips back to 22°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 30°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)	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33
Avg low (°C)	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	23	23	23	23	23	23

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

How December really feels in Riachão do Jacuípe

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.

Riachão do Jacuípe weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 3rd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	33° / 23°	57	7.8	12.6	3.5
Feb	33° / 23°	43	8	12.4	3.4
Mar	33° / 23°	54	9.6	12.1	3.5
Apr	31° / 22°	41	11.7	11.7	4.1
May	29° / 21°	36	11.3	11.5	5.1
Jun	28° / 20°	32	11.3	11.3	6.0
Jul	27° / 19°	26	10.1	11.4	6.4
Aug	28° / 19°	22	8	11.6	6.1
Sep	30° / 20°	16	5.3	11.9	5.3
Oct	32° / 21°	19	4	12.3	4.3
Nov	33° / 22°	42	6	12.5	3.8
Dec	33° / 22°	44	6.3	12.7	3.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 22% of December, with mostly cloudy or overcast conditions the remaining 53%.

	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 (%)	42	43	43	43	45	45	45	45	45	45	45	45	46	46	47	47	48	47	48	48	47	48	49	48	49	48	48	48	48	47	47
Cloudier (%)	58	57	57	57	55	55	55	55	55	55	55	55	54	54	53	53	52	53	52	52	53	52	51	52	51	52	52	52	52	53	53

	Clearer (%)	Cloudier (%)
1	42	58
2	43	57
3	43	57
4	43	57
5	45	55
6	45	55
7	45	55
8	45	55
9	45	55
10	45	55
11	45	55
12	45	55
13	46	54
14	46	54
15	47	53
16	47	53
17	48	52
18	47	53
19	48	52
20	48	52
21	47	53
22	48	52
23	49	51
24	48	52
25	49	51
26	48	52
27	48	52
28	48	52
29	48	52
30	47	53
31	47	53

Chance of precipitation in December

Any precipitation

Riachão do Jacuípe gets around 44 mm of rain over 6.3 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 21% and peaks near 23% 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 (%)	23	22	22	22	22	22	21	21	21	22	22	22	22	22	22	21	21	21	20	20	20	19	19	19	19	19	19	19	19	19	20

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

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 67% of days. Sticky, muggy-or-worse air turns up on roughly 82% 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 (%)	18	18	18	19	19	19	19	19	19	19	19	19	19	19	19	19	19	18	18	18	17	17	17	16	16	16	15	15	15	15	15
Muggy (%)	67	67	67	65	65	65	64	64	64	64	64	64	64	65	65	65	65	67	67	68	69	69	70	71	71	71	72	72	72	72	72
Oppressive (%)	15	15	15	16	16	16	17	17	17	17	17	17	17	16	16	16	16	15	15	14	14	14	13	13	13	13	13	13	13	13	13

	Humid (%)	Muggy (%)	Oppressive (%)
1	18	67	15
2	18	67	15
3	18	67	15
4	19	65	16
5	19	65	16
6	19	65	16
7	19	64	17
8	19	64	17
9	19	64	17
10	19	64	17
11	19	64	17
12	19	64	17
13	19	64	17
14	19	65	16
15	19	65	16
16	19	65	16
17	19	65	16
18	18	67	15
19	18	67	15
20	18	68	14
21	17	69	14
22	17	69	14
23	17	70	13
24	16	71	13
25	16	71	13
26	16	71	13
27	15	72	13
28	15	72	13
29	15	72	13
30	15	72	13
31	15	72	13

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 11 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)	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11
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	11	calm
2	11	calm
3	11	calm
4	11	calm
5	11	calm
6	11	calm
7	11	calm
8	11	calm
9	11	calm
10	11	calm
11	11	calm
12	11	calm
13	11	calm
14	11	calm
15	11	calm
16	11	calm
17	11	calm
18	11	calm
19	11	calm
20	11	calm
21	11	calm
22	11	calm
23	11	calm
24	11	calm
25	11	calm
26	11	calm
27	11	calm
28	11	calm
29	11	calm
30	11	calm
31	11	calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 36 min at the start of December to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 5:08 AM to 5:20 AM, and sunset from 5:47 PM to 6:01 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)	12.6	12.6	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7
Sunrise (AM)	5:08	5:08	5:08	5:09	5:09	5:09	5:10	5:10	5:10	5:11	5:11	5:11	5:12	5:12	5:13	5:13	5:13	5:14	5:14	5:15	5:15	5:16	5:16	5:17	5:17	5:18	5:18	5:19	5:19	5:20	5:20
Sunset (PM)	5:47	5:47	5:48	5:48	5:49	5:49	5:50	5:50	5:51	5:51	5:52	5:52	5:53	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	6:00	6:01	6:01

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.6	5:08	5:47
2	12.6	5:08	5:47
3	12.7	5:08	5:48
4	12.7	5:09	5:48
5	12.7	5:09	5:49
6	12.7	5:09	5:49
7	12.7	5:10	5:50
8	12.7	5:10	5:50
9	12.7	5:10	5:51
10	12.7	5:11	5:51
11	12.7	5:11	5:52
12	12.7	5:11	5:52
13	12.7	5:12	5:53
14	12.7	5:12	5:53
15	12.7	5:13	5:54
16	12.7	5:13	5:54
17	12.7	5:13	5:55
18	12.7	5:14	5:55
19	12.7	5:14	5:56
20	12.7	5:15	5:56
21	12.7	5:15	5:57
22	12.7	5:16	5:57
23	12.7	5:16	5:58
24	12.7	5:17	5:58
25	12.7	5:17	5:59
26	12.7	5:18	5:59
27	12.7	5:18	6:00
28	12.7	5:19	6:00
29	12.7	5:19	6:00
30	12.7	5:20	6:01
31	12.7	5:20	6:01

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.14 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.48 kWh/m² to a high of 6.14 kWh/m² in December across the year — December's 6.14 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)	6.0	6.0	6.0	6.0	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2
Level	Bright	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	6.0	Bright
2	6.0	Intense
3	6.0	Intense
4	6.0	Intense
5	6.1	Intense
6	6.1	Intense
7	6.1	Intense
8	6.1	Intense
9	6.1	Intense
10	6.1	Intense
11	6.1	Intense
12	6.1	Intense
13	6.1	Intense
14	6.1	Intense
15	6.1	Intense
16	6.1	Intense
17	6.1	Intense
18	6.1	Intense
19	6.2	Intense
20	6.2	Intense
21	6.2	Intense
22	6.2	Intense
23	6.2	Intense
24	6.2	Intense
25	6.2	Intense
26	6.2	Intense
27	6.2	Intense
28	6.2	Intense
29	6.2	Intense
30	6.2	Intense
31	6.2	Intense

Planning a trip in December

Is December a good time to visit Riachão do Jacuípe?

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

3.6

Sightseeing

9th-best month of the year

6.6

Beach & pool

7th-best month of the year

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

What to pack for Riachão do Jacuípe in December

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

In December, Riachão do Jacuípe sees daytime highs around 33°C and nights near 22°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Riachão do Jacuípe 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 Riachão do Jacuípe peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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	14	12	9	9	9	10	11	12	13	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	14	Extreme
Apr	12	Extreme
May	9	Very high
Jun	9	Very high
Jul	9	Very high
Aug	10	Very high
Sep	11	Extreme
Oct	12	Extreme
Nov	13	Extreme
Dec	12	Extreme

Location & terrain

Where is Riachão do Jacuípe?

Riachão do Jacuípe sits at 11.8°S, 39.4°W, 217 m above sea level, in Brazil. The nearest listed city is Conceição do Coité, 29 km away.

Topography around Riachão do Jacuípe

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

Within 3 km, the terrain around Riachão do Jacuípe has only modest variations in elevation — a maximum elevation change of 40 m around an average of 222 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 170 m; within 80 km, large variations in elevation — a maximum elevation change of 609 m.

The land around Riachão do Jacuípe is covered by grassland (82%) within 3 km, grassland (93%) within 16 km, and grassland (80%) within 80 km.

3 km

40 m

grassland 82%

16 km

170 m

grassland 93%

80 km

609 m

grassland 80%

treesshrubsgrasslandcroplandartificial surfaces

← November Riachão do Jacuípe year-round climate January →Best places to visit in December

December weather nearby: Conceição do Coité 29 km · Serra Preta 40 km · Serrinha 44 km · Valente 45 km · Barrocas 46 km · Santa Bárbara 48 km · Ipirá 55 km · Teofilândia 56 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 Riachão do Jacuípe (-11.8069°, -39.3856°, elevation 217 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	33	22
2	33	22
3	33	22
4	33	22
5	33	22
6	33	22
7	33	22
8	33	22
9	33	22
10	33	22
11	33	22
12	33	22
13	33	22
14	33	22
15	33	22
16	33	22
17	33	22
18	33	22
19	33	22
20	33	22
21	33	22
22	33	22
23	33	22
24	33	22
25	33	22
26	33	23
27	33	23
28	33	23
29	33	23
30	33	23
31	33	23

	Clearer (%)	Cloudier (%)
1	42	58
2	43	57
3	43	57
4	43	57
5	45	55
6	45	55
7	45	55
8	45	55
9	45	55
10	45	55
11	45	55
12	45	55
13	46	54
14	46	54
15	47	53
16	47	53
17	48	52
18	47	53
19	48	52
20	48	52
21	47	53
22	48	52
23	49	51
24	48	52
25	49	51
26	48	52
27	48	52
28	48	52
29	48	52
30	47	53
31	47	53

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

	Humid (%)	Muggy (%)	Oppressive (%)
1	18	67	15
2	18	67	15
3	18	67	15
4	19	65	16
5	19	65	16
6	19	65	16
7	19	64	17
8	19	64	17
9	19	64	17
10	19	64	17
11	19	64	17
12	19	64	17
13	19	64	17
14	19	65	16
15	19	65	16
16	19	65	16
17	19	65	16
18	18	67	15
19	18	67	15
20	18	68	14
21	17	69	14
22	17	69	14
23	17	70	13
24	16	71	13
25	16	71	13
26	16	71	13
27	15	72	13
28	15	72	13
29	15	72	13
30	15	72	13
31	15	72	13

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

	Clearer (%)	Cloudier (%)
1	42	58
2	43	57
3	43	57
4	43	57
5	45	55
6	45	55
7	45	55
8	45	55
9	45	55
10	45	55
11	45	55
12	45	55
13	46	54
14	46	54
15	47	53
16	47	53
17	48	52
18	47	53
19	48	52
20	48	52
21	47	53
22	48	52
23	49	51
24	48	52
25	49	51
26	48	52
27	48	52
28	48	52
29	48	52
30	47	53
31	47	53

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

	Humid (%)	Muggy (%)	Oppressive (%)
1	18	67	15
2	18	67	15
3	18	67	15
4	19	65	16
5	19	65	16
6	19	65	16
7	19	64	17
8	19	64	17
9	19	64	17
10	19	64	17
11	19	64	17
12	19	64	17
13	19	64	17
14	19	65	16
15	19	65	16
16	19	65	16
17	19	65	16
18	18	67	15
19	18	67	15
20	18	68	14
21	17	69	14
22	17	69	14
23	17	70	13
24	16	71	13
25	16	71	13
26	16	71	13
27	15	72	13
28	15	72	13
29	15	72	13
30	15	72	13
31	15	72	13

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

	Clearer (%)	Cloudier (%)
1	42	58
2	43	57
3	43	57
4	43	57
5	45	55
6	45	55
7	45	55
8	45	55
9	45	55
10	45	55
11	45	55
12	45	55
13	46	54
14	46	54
15	47	53
16	47	53
17	48	52
18	47	53
19	48	52
20	48	52
21	47	53
22	48	52
23	49	51
24	48	52
25	49	51
26	48	52
27	48	52
28	48	52
29	48	52
30	47	53
31	47	53

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

	Humid (%)	Muggy (%)	Oppressive (%)
1	18	67	15
2	18	67	15
3	18	67	15
4	19	65	16
5	19	65	16
6	19	65	16
7	19	64	17
8	19	64	17
9	19	64	17
10	19	64	17
11	19	64	17
12	19	64	17
13	19	64	17
14	19	65	16
15	19	65	16
16	19	65	16
17	19	65	16
18	18	67	15
19	18	67	15
20	18	68	14
21	17	69	14
22	17	69	14
23	17	70	13
24	16	71	13
25	16	71	13
26	16	71	13
27	15	72	13
28	15	72	13
29	15	72	13
30	15	72	13
31	15	72	13