São Francisco de Itabapoana weather in December

In December, São Francisco de Itabapoana sees average daytime highs of 27°C and overnight lows near 23°C, with 172 mm of rain across 15.6 wet days and about 13.3 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 22% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 13 h 12 min at the start of December to 13 h 18 min by month's end. Set against the rest of the year, December is São Francisco de Itabapoana's 11th-clearest and 7th-windiest month. For the whole year in context, see São Francisco de Itabapoana's year-round climate.

Daytime high
27°
4th warmest
Overnight low
23°
9th coldest
Rainfall
172 mm
15.6 wet days
Daylight
13 h 18 min
6:01 AM – 7:19 PM
Cloud cover
68%
11th clearest
Wind
14 km/h
7th windiest
Solar energy
6 kWh/m²
Travel score
5.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical December day in São Francisco de Itabapoana reaches about 27°C in the afternoon and slips back to 23°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, December runs about 1°C warmer than November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12623
22623
32623
42623
52623
62623
72623
82723
92723
102723
112723
122723
132723
142723
152723
162723
172723
182723
192723
202723
212723
222723
232723
242723
252723
262723
272723
282723
292723
302723
312723

São Francisco de Itabapoana weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 24°11010.813.26.2
Feb28° / 24°71812.76.6
Mar28° / 24°11713.612.26.0
Apr27° / 23°7912.111.56.4
May25° / 21°5910.1117.0
Jun25° / 20°326.810.77.8
Jul24° / 19°357.610.87.8
Aug24° / 19°336.811.37.9
Sep25° / 20°568.811.97.3
Oct25° / 21°8510.512.56.7
Nov26° / 22°16315.4135.7
Dec27° / 23°17215.613.35.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 64%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23268
33169
43169
53169
63268
73268
83268
93268
103268
113367
123367
133466
143466
153664
163664
173763
183862
193961
203961
213961
224060
234060
244159
254060
264159
273961
283961
293862
303862
313862

Chance of precipitation in December

Any precipitation

São Francisco de Itabapoana gets around 172 mm of rain over 15.6 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 50% and peaks near 54% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
154
254
354
454
554
654
754
854
953
1053
1152
1252
1351
1450
1550
1649
1749
1848
1948
2048
2148
2247
2347
2447
2547
2647
2747
2846
2946
3045
3145

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 80% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11626661
21525672
31524682
41523692
51522693
61422703
70421723
80420724
90319744
100318754
110317764
120215794
130214804
140213814
150213814
160112834
170111844
180110854
190110854
20019864
21019873
22009883
23008893
24008893
25008893
26008893
27008893
28008893
29009883
30009883
31009883

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 12 min at the start of December to 13 h 18 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 5:57 AM to 6:09 AM, and sunset from 7:10 PM to 7:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:577:10
213.25:587:10
313.25:587:11
413.25:587:12
513.25:587:12
613.25:587:13
713.25:597:13
813.35:597:14
913.35:597:15
1013.35:597:15
1113.36:007:16
1213.36:007:16
1313.36:007:17
1413.36:017:18
1513.36:017:18
1613.36:017:19
1713.36:027:19
1813.36:027:20
1913.36:037:20
2013.36:037:21
2113.36:037:21
2213.36:047:22
2313.36:047:22
2413.36:057:23
2513.36:057:23
2613.36:067:24
2713.36:067:24
2813.36:077:24
2913.36:077:25
3013.36:087:25
3113.36:097:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6 kWh/m².

For context, solar energy here swings from a low near 3.6 kWh/m² to a high of 6.48 kWh/m² in February across the year — December's 6 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.9Bright
135.9Bright
146.0Bright
156.0Bright
166.0Intense
176.0Intense
186.1Intense
196.1Intense
206.1Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in December

Hazard calendar for São Francisco de Itabapoana

In seasonPeak

In December, São Francisco de Itabapoana sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

São Francisco de Itabapoana's rainy season runs October–January, when most of the year's rain falls.

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

Is December a good time to visit São Francisco de Itabapoana?

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

5.6
Sightseeing
12th-best month of the year
5.7
Beach & pool
11th-best month of the year

December is a reasonable time to visit São Francisco de Itabapoana for sightseeing.

What to pack for São Francisco de Itabapoana in December

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

In December, São Francisco de Itabapoana sees daytime highs around 27°C and nights near 23°C. Pack rain gear and sun protection. Worth having: light clothes. About 16 days see rain.

rain gearsun protectionlight clothes

Sea temperature near São Francisco de Itabapoana in December

The nearest coast averages about 24°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in March at about 25°C and coldest in August near 23°C.

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

22°24°26°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb25Warm
Mar25Warm
Apr25Warm
May24Warm
Jun23Refreshing
Jul23Refreshing
Aug23Refreshing
Sep23Refreshing
Oct23Refreshing
Nov24Refreshing
Dec24Warm

UV index in São Francisco de Itabapoana in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (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 Francisco de Itabapoana peaks around February 9 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 9UV 14Jun 20UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep10Very high
Oct12Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is São Francisco de Itabapoana?

São Francisco de Itabapoana sits at 21.3°S, 41.0°W, 1 m above sea level, in Brazil. The nearest listed city is Marataizes, 32 km away.

Topography around São Francisco de Itabapoana

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Francisco de Itabapoana.

Within 3 km, the terrain around São Francisco de Itabapoana has only modest variations in elevation — a maximum elevation change of 23 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 86 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,346 m.

The land around São Francisco de Itabapoana is covered by water (50%) and grassland (25%) within 3 km, water (51%) and grassland (26%) within 16 km, and grassland (47%) and water (31%) within 80 km.

3 km
23 m
16 km
86 m
80 km
1,346 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
December weather nearby: Marataizes 32 km · Itapemirim 35 km · São João da Barra 39 km · Mimoso do Sul 50 km · Cachoeiro de Itapemirim 53 km · Piúma 57 km · Campos dos Goytacazes 63 km · Anchieta 64 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 Francisco de Itabapoana (-21.3019°, -40.9614°, elevation 1 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).