São José do Norte weather in December

In December, São José do Norte sees average daytime highs of 23°C and overnight lows near 21°C, with 86 mm of rain across 7.8 wet days and about 14.1 hours of daylight. It is the 4th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 23°C by the end. The sky is clear or mostly clear about 47% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 54 min at the start of December to 14 h 06 min by month's end. Set against the rest of the year, December is São José do Norte's 1st-clearest and 4th-windiest month. For the whole year in context, see São José do Norte's year-round climate.

Daytime high
23°
4th warmest
Overnight low
21°
9th coldest
Rainfall
86 mm
7.8 wet days
Daylight
14 h 06 min
6:22 AM – 8:27 PM
Cloud cover
48%
1st clearest
Wind
23 km/h
4th windiest
Solar energy
7.08 kWh/m²
Travel score
7.3
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 23°C by the end.

A typical December day in São José do Norte reaches about 23°C in the afternoon and slips back to 21°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 25°C. Set against its neighbours, December runs about 2°C warmer than November and about 2°C cooler than January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12220
22220
32220
42220
52220
62220
72220
82220
92220
102220
112220
122220
132220
142221
152321
162321
172321
182321
192321
202321
212321
222321
232321
242321
252321
262321
272322
282322
292322
302322
312322

São José do Norte weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 22°878.613.97.4
Feb24° / 23°849.713.27.0
Mar24° / 22°921012.27.1
Apr21° / 19°11310.211.26.6
May19° / 16°1049.710.46.1
Jun16° / 14°1109.79.95.0
Jul15° / 12°11210.210.14.4
Aug15° / 13°1089.710.84.8
Sep16° / 14°12510.411.85.1
Oct18° / 17°12910.212.86.0
Nov21° / 19°877.713.66.8
Dec23° / 21°867.814.17.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 37%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46337
56337
66337
76337
86238
96238
106337
116337
126238
136238
146139
156238
166139
176139
186139
196139
206238
216238
226238
236238
246337
256337
266337
276436
286436
296436
306436
316436

Chance of precipitation in December

Any precipitation

São José do Norte gets around 86 mm of rain over 7.8 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 25% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
325
425
525
625
725
825
926
1026
1126
1226
1326
1426
1526
1626
1726
1826
1926
2026
2126
2225
2325
2424
2524
2624
2724
2823
2923
3023
3123

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 35% of days. Sticky, muggy-or-worse air turns up on roughly 50% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1132331303
2132231313
3132231314
4132131314
5122131315
6122031325
7122030326
8111930327
9111930337
10111830348
11101830348
12101729359
13917293610
14816283611
15816283712
16815273713
17715263814
18715253815
19614243817
20614233818
21614233819
22614223820
23513213822
24513213823
25513213724
26513203725
27513203626
28413203527
29412203528
30412203429
31412203330

Wind in December

Winds average 23 km/h in December.

Across December, daily wind ranges from about 23 km/h on the calmest days to 24 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
124breezy
224breezy
324breezy
423breezy
523breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1123breezy
1223breezy
1323breezy
1423breezy
1523breezy
1623breezy
1723breezy
1823breezy
1923breezy
2023breezy
2123breezy
2223breezy
2323breezy
2423breezy
2523breezy
2623breezy
2723breezy
2823breezy
2923breezy
3023breezy
3123breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 54 min at the start of December to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over December. Sunrise moves from 6:20 AM to 6:29 AM, and sunset from 8:16 PM to 8:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.96:208:16
214.06:208:17
314.06:208:18
414.06:208:19
514.06:208:19
614.06:208:20
714.06:208:21
814.06:208:22
914.06:208:22
1014.06:208:23
1114.16:208:24
1214.16:218:24
1314.16:218:25
1414.16:218:26
1514.16:218:26
1614.16:228:27
1714.16:228:27
1814.16:238:28
1914.16:238:29
2014.16:238:29
2114.16:248:30
2214.16:248:30
2314.16:258:31
2414.16:258:31
2514.16:268:31
2614.16:268:32
2714.16:278:32
2814.16:278:32
2914.16:288:33
3014.16:298:33
3114.16:298:33

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.08 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.38 kWh/m² to a high of 7.08 kWh/m² in December across the year — December's 7.08 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
37.0Intense
47.0Intense
57.0Intense
67.0Intense
77.1Intense
87.1Intense
97.1Intense
107.1Intense
117.1Intense
127.0Intense
137.0Intense
147.0Intense
157.0Intense
167.0Intense
177.0Intense
187.0Intense
197.0Intense
207.0Intense
217.0Intense
227.0Intense
237.0Intense
247.0Intense
257.0Intense
267.0Intense
277.0Intense
287.0Intense
297.0Intense
307.0Intense
317.0Intense
Planning a trip in December

Is December a good time to visit São José do Norte?

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

7.3
Sightseeing
2nd-best month of the year
5.4
Beach & pool
4th-best month of the year

December is one of the better times to visit São José do Norte for general sightseeing.

What to pack for São José do Norte in December

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

In December, São José do Norte sees daytime highs around 23°C and nights near 21°C. Pack sun protection. Worth having: light clothes and a windbreaker. About 8 days see rain.

sun protectionlight clothesa windbreaker

Sea temperature near São José do Norte in December

The nearest coast averages about 22°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 15 km away) is warmest in February at about 24°C and coldest in July near 14°C.

It's comfortable for a long swim from Nov 18 to May 4 — about 5.5 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb24Warm
Mar24Refreshing
Apr22Refreshing
May19Cool
Jun16Cool
Jul14Bracing
Aug14Bracing
Sep15Cool
Oct18Cool
Nov20Cool
Dec22Refreshing

UV index in São José do Norte 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 São José do Norte peaks around January 16 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 16UV 12Jun 19UV 3
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar9Very high
Apr7High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug5Moderate
Sep7High
Oct7Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is São José do Norte?

São José do Norte sits at 32.0°S, 52.0°W, 7 m above sea level, in Brazil. The nearest listed city is Rio Grande, 6.0 km away.

Topography around São José do Norte

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São José do Norte.

Within 3 km, the terrain around São José do Norte has only modest variations in elevation — a maximum elevation change of 17 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 33 m; within 80 km, significant variations in elevation — a maximum elevation change of 346 m.

The land around São José do Norte is covered by water (46%) and grassland (32%) within 3 km, water (57%) within 16 km, and water (50%) within 80 km.

3 km
17 m
16 km
33 m
80 km
346 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Rio Grande 6.0 km · Pelotas 39 km · Capão do Leão 50 km · São Lourenço do Sul 72 km · Canguçu 91 km · Arroio Grande 101 km · Piratini 119 km · Camaquã 131 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
Roman Catholic 57%Evangelical 27%none 9%other 4%

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 São José do Norte (-32.0147°, -52.0417°, elevation 7 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).