Caia weather in December

In December, Caia sees average daytime highs of 33°C and overnight lows near 24°C, with 132 mm of rain across 15.3 wet days and about 13 hours of daylight. It is the 3rd-warmest and 2nd-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 27% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 13 hours at the start of December to 13 h 06 min by month's end. Set against the rest of the year, December is Caia's 10th-clearest and 7th-windiest month. For the whole year in context, see Caia's year-round climate.

Daytime high
33°
3rd warmest
Overnight low
24°
11th coldest
Rainfall
132 mm
15.3 wet days
Daylight
13 h 06 min
5:03 AM – 6:07 PM
Cloud cover
62%
10th clearest
Wind
9 km/h
7th windiest
Solar energy
6.12 kWh/m²
Travel score
2.9
out of 10

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 Caia reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 38°C. Set against its neighbours, December runs about 2°C cooler than November and about 1°C warmer than January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13424
23424
33424
43424
53424
63424
73424
83424
93424
103324
113324
123324
133324
143324
153324
163324
173324
183324
193324
203324
213324
223324
233324
243324
253324
263324
273324
283324
293324
303324
313324

How December really feels in Caia

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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Caia weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°18418.612.93.1
Feb32° / 24°11514.812.63.3
Mar32° / 23°8913.912.13.9
Apr31° / 22°306.611.65.2
May29° / 19°102.411.26.7
Jun27° / 17°61.8118.0
Jul27° / 17°92.7118.0
Aug29° / 18°41.111.46.8
Sep32° / 20°71.611.94.9
Oct34° / 22°132.712.43.7
Nov35° / 24°496.812.82.8
Dec33° / 24°13215.3132.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25644
35545
45446
55347
65248
75050
85050
94852
104753
114654
124555
134555
144456
154357
164258
174258
184357
194258
204357
214456
224555
234456
244456
254456
264555
274456
284456
294456
304456
314456

Chance of precipitation in December

Any precipitation

Caia gets around 132 mm of rain over 15.3 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 50% and peaks near 56% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
136
237
338
439
540
642
743
845
946
1048
1149
1250
1351
1452
1553
1653
1754
1854
1954
2054
2154
2253
2353
2453
2554
2654
2754
2855
2955
3056
3156

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 54% of days. Sticky, muggy-or-worse air turns up on roughly 93% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
121437433
221436454
311335464
411334475
511233496
611132506
711130517
811029528
919275310
1018265411
1108245612
1207235713
1306225715
1406215716
1505205817
1605195719
1704195720
1804185721
1904185523
2003175624
2103175624
2203165625
2303165625
2403165526
2503165526
2603165526
2702155726
2802155726
2902155726
3002165626
3102165626

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 hours at the start of December to 13 h 06 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 4:59 AM to 5:10 AM, and sunset from 5:58 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.04:595:58
213.04:595:59
313.04:595:59
413.04:596:00
513.04:596:00
613.05:006:01
713.05:006:02
813.05:006:02
913.05:006:03
1013.05:016:03
1113.05:016:04
1213.15:016:04
1313.15:026:05
1413.15:026:06
1513.15:036:06
1613.15:036:07
1713.15:036:07
1813.15:046:08
1913.15:046:08
2013.15:056:09
2113.15:056:09
2213.15:066:10
2313.15:066:10
2413.15:076:11
2513.15:076:11
2613.15:086:11
2713.15:086:12
2813.15:096:12
2913.15:096:13
3013.15:106:13
3113.15:106:13

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.12 kWh/m².

For context, solar energy here swings from a low near 3.93 kWh/m² to a high of 6.56 kWh/m² in November across the year — December's 6.12 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Intense
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Bright
296.0Bright
306.0Bright
315.9Bright
Planning a trip in December

Hazard calendar for Caia

In seasonPeak

In December, Caia sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Caia's monsoon runs December–March, when most of the year's rain falls.

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

Is December a good time to visit Caia?

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

2.9
Sightseeing
11th-best month of the year
5.4
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Caia.

What to pack for Caia in December

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

In December, Caia sees daytime highs around 33°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Caia in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Caia peaks around January 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 16UV 14Jun 21UV 7
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7High
Aug8Very high
Sep9Very high
Oct12Extreme
Nov12Extreme
Dec14Extreme

Air quality in Caia in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Caia is worst in September — around 44 µg/m³ PM2.5 (poor), about 6.7× the cleanest month (March, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodSep 1343 µg/m³Mar 247 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar7Good
Apr7Good
May8Good
Jun9Good
Jul21Moderate
Aug37Poor
Sep44Poor
Oct28Moderate
Nov14Moderate
Dec7Good
Location & terrain

Where is Caia?

Caia sits at 17.8°S, 35.3°E, 35 m above sea level, in Mozambique. The nearest listed city is Morrumbala, 60 km away.

ChindeQuelimaneGorongosaNamacurraMilange

Topography around Caia

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

Within 3 km, the terrain around Caia has only modest variations in elevation — a maximum elevation change of 27 m around an average of 30 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 240 m; within 80 km, large variations in elevation — a maximum elevation change of 1,127 m.

The land around Caia is covered by cropland (45%) within 3 km, cropland (31%) and trees (24%) within 16 km, and trees (51%) within 80 km.

3 km
27 m
16 km
240 m
80 km
1,127 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Morrumbala 60 km · Marromeu 82 km · Nsanje 100 km · Chinde 145 km · Quelimane 164 km · Gorongosa 165 km · Namacurra 182 km · Milange 197 km

Mozambique travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / M
220 V · 50 Hz
Prices
≈ 37% of US
price level, 2025
GDP per capita
$627
2025
Happiness
5.3 / 10
World Happiness, 2025
Safe drinking water
28%
of population, 2024
Homicide rate
3.6
per 100k, 2011
Road deaths
30
per 100k/yr, 2019
Income group
Low
World Bank
English
Low
EF EPI 465
Religion
Catholic 27%Islam 19%Pentecostal 17%Saio/Zione 16%

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 Caia (-17.8203°, 35.3442°, elevation 35 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).