Calulo weather in December

In December, Calulo sees average daytime highs of 25°C and overnight lows near 18°C, with 175 mm of rain across 21.3 wet days and about 12.6 hours of daylight. It is the 12th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 4% of the time in December, and the air most often feels muggy.

Daylight stretches from about 12 h 30 min at the start of December to 12 h 36 min by month's end. Set against the rest of the year, December is Calulo's 10th-clearest and 8th-windiest month. For the whole year in context, see Calulo's year-round climate.

Daytime high: 25°; 12th warmest
Overnight low: 18°; 8th coldest
Rainfall: 175 mm; 21.3 wet days
Daylight: 12 h 36 min; 5:39 AM – 6:14 PM
Cloud cover: 82%; 10th clearest
Wind: 5 km/h; 8th windiest
Solar energy: 5.32 kWh/m²
Travel score: 4.8; out of 10

← November Calulo 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 25°C through the month.

A typical December day in Calulo reaches about 25°C in the afternoon and slips back to 18°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°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)	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	26	26	26	26	26	26	26	26	26	26
Avg low (°C)	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18

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

Calulo weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 4th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	26° / 18°	117	16.3	12.5	5.4
Feb	27° / 18°	120	15	12.3	5.2
Mar	27° / 18°	245	23.4	12.1	4.3
Apr	28° / 19°	237	23.7	11.8	4.2
May	28° / 18°	37	7	11.5	6.6
Jun	28° / 15°	2	0.4	11.4	8.6
Jul	28° / 14°	0	0	11.5	8.7
Aug	27° / 14°	5	1.3	11.7	8.4
Sep	27° / 16°	40	10.3	11.9	6.6
Oct	26° / 18°	143	22.6	12.2	4.6
Nov	26° / 18°	256	26.4	12.5	3.9
Dec	25° / 18°	175	21.3	12.6	4.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 8% of December, with mostly cloudy or overcast conditions the remaining 88%.

	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 (%)	10	10	10	10	10	10	10	10	10	10	10	10	10	11	11	11	11	12	12	12	13	14	14	15	15	15	15	16	16	16	17
Cloudier (%)	90	90	90	90	90	90	90	90	90	90	90	90	90	89	89	89	89	88	88	88	87	86	86	85	85	85	85	84	84	84	83

	Clearer (%)	Cloudier (%)
1	10	90
2	10	90
3	10	90
4	10	90
5	10	90
6	10	90
7	10	90
8	10	90
9	10	90
10	10	90
11	10	90
12	10	90
13	10	90
14	11	89
15	11	89
16	11	89
17	11	89
18	12	88
19	12	88
20	12	88
21	13	87
22	14	86
23	14	86
24	15	85
25	15	85
26	15	85
27	15	85
28	16	84
29	16	84
30	16	84
31	17	83

Chance of precipitation in December

Any precipitation

Calulo gets around 175 mm of rain over 21.3 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 69% and peaks near 83% on the wettest days. The odds ease toward the end of the month.

	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 (%)	83	83	83	83	82	81	80	79	78	77	75	74	73	71	70	68	67	66	64	63	62	60	59	58	58	57	57	56	56	56	56

	Rain chance (%)
1	83
2	83
3	83
4	83
5	82
6	81
7	80
8	79
9	78
10	77
11	75
12	74
13	73
14	71
15	70
16	68
17	67
18	66
19	64
20	63
21	62
22	60
23	59
24	58
25	58
26	57
27	57
28	56
29	56
30	56
31	56

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 53% 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
Comfortable (%)	1	1	1	1	1	1	1	1	1	1	2	2	2	2	3	3	3	4	4	4	5	5	5	5	6	6	6	5	5	5	5
Humid (%)	30	30	31	32	32	34	35	36	37	39	40	41	42	43	44	45	46	46	47	48	49	49	51	51	51	52	52	53	54	54	54
Muggy (%)	69	69	68	67	67	65	64	63	62	60	58	57	56	55	53	52	51	50	49	48	46	45	44	44	43	42	42	42	41	41	41

	Comfortable (%)	Humid (%)	Muggy (%)
1	1	30	69
2	1	30	69
3	1	31	68
4	1	32	67
5	1	32	67
6	1	34	65
7	1	35	64
8	1	36	63
9	1	37	62
10	1	39	60
11	2	40	58
12	2	41	57
13	2	42	56
14	2	43	55
15	3	44	53
16	3	45	52
17	3	46	51
18	4	46	50
19	4	47	49
20	4	48	48
21	5	49	46
22	5	49	45
23	5	51	44
24	5	51	44
25	6	51	43
26	6	52	42
27	6	52	42
28	5	53	42
29	5	54	41
30	5	54	41
31	5	54	41

Wind in December

Winds average 5 km/h in December.

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

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 30 min at the start of December to 12 h 36 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 5:34 AM to 5:46 AM, and sunset from 6:06 PM to 6:21 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)	12.5	12.5	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6
Sunrise (AM)	5:34	5:34	5:34	5:35	5:35	5:35	5:36	5:36	5:36	5:37	5:37	5:38	5:38	5:38	5:39	5:39	5:40	5:40	5:40	5:41	5:41	5:42	5:42	5:43	5:43	5:44	5:44	5:45	5:45	5:46	5:46
Sunset (PM)	6:06	6:07	6:07	6:08	6:08	6:09	6:09	6:10	6:10	6:11	6:11	6:12	6:13	6:13	6:14	6:14	6:15	6:15	6:15	6:16	6:16	6:17	6:17	6:18	6:18	6:19	6:19	6:20	6:20	6:20	6:21

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.5	5:34	6:06
2	12.5	5:34	6:07
3	12.6	5:34	6:07
4	12.6	5:35	6:08
5	12.6	5:35	6:08
6	12.6	5:35	6:09
7	12.6	5:36	6:09
8	12.6	5:36	6:10
9	12.6	5:36	6:10
10	12.6	5:37	6:11
11	12.6	5:37	6:11
12	12.6	5:38	6:12
13	12.6	5:38	6:13
14	12.6	5:38	6:13
15	12.6	5:39	6:14
16	12.6	5:39	6:14
17	12.6	5:40	6:15
18	12.6	5:40	6:15
19	12.6	5:40	6:15
20	12.6	5:41	6:16
21	12.6	5:41	6:16
22	12.6	5:42	6:17
23	12.6	5:42	6:17
24	12.6	5:43	6:18
25	12.6	5:43	6:18
26	12.6	5:44	6:19
27	12.6	5:44	6:19
28	12.6	5:45	6:20
29	12.6	5:45	6:20
30	12.6	5:46	6:20
31	12.6	5:46	6:21

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.32 kWh/m².

For context, solar energy here swings from a low near 4.93 kWh/m² to a high of 5.81 kWh/m² in February across the year — December's 5.32 kWh/m² falls in the middle.

	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)	5.0	5.0	5.1	5.1	5.1	5.1	5.1	5.1	5.2	5.2	5.2	5.2	5.3	5.3	5.3	5.3	5.4	5.4	5.4	5.4	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5
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	5.0	Bright
2	5.0	Bright
3	5.1	Bright
4	5.1	Bright
5	5.1	Bright
6	5.1	Bright
7	5.1	Bright
8	5.1	Bright
9	5.2	Bright
10	5.2	Bright
11	5.2	Bright
12	5.2	Bright
13	5.3	Bright
14	5.3	Bright
15	5.3	Bright
16	5.3	Bright
17	5.4	Bright
18	5.4	Bright
19	5.4	Bright
20	5.4	Bright
21	5.5	Bright
22	5.5	Bright
23	5.5	Bright
24	5.5	Bright
25	5.5	Bright
26	5.5	Bright
27	5.5	Bright
28	5.5	Bright
29	5.5	Bright
30	5.5	Bright
31	5.5	Bright

Planning a trip in December

Hazard calendar for Calulo

In seasonPeak

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

Calulo's rainy season runs October–April, 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 Calulo?

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

4.4

Beach & pool

10th-best month of the year

December is a reasonable time to visit Calulo for sightseeing.

What to pack for Calulo in December

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

In December, Calulo sees daytime highs around 25°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 21 days see rain.

rain gearlight clothessun protection

UV index in Calulo 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 Calulo peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 16 at about 7 (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)	15	14	16	13	10	8	8	7	8	12	13	13
Level	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high	Very high	Very high	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	15	Extreme
Feb	14	Extreme
Mar	16	Extreme
Apr	13	Extreme
May	10	Very high
Jun	8	Very high
Jul	8	Very high
Aug	7	Very high
Sep	8	Very high
Oct	12	Extreme
Nov	13	Extreme
Dec	13	Extreme

Air quality in Calulo 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 Calulo is worst in July — around 171 µg/m³ PM2.5 (very unhealthy), about 13.1× the cleanest month (December, 13 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	14	15	14	14	27	146	171	69	67	35	13	13
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Unhealthy	Very unhealthy	Unhealthy	Unhealthy	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	14	Moderate
Feb	15	Moderate
Mar	14	Moderate
Apr	14	Moderate
May	27	Moderate
Jun	146	Unhealthy
Jul	171	Very unhealthy
Aug	69	Unhealthy
Sep	67	Unhealthy
Oct	35	Moderate
Nov	13	Moderate
Dec	13	Moderate

Location & terrain

Where is Calulo?

Calulo sits at 10.0°S, 14.9°E, 995 m above sea level, in Angola. The nearest listed city is Dondo, 62 km away.

Topography around Calulo

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

Within 3 km, the terrain around Calulo has significant variations in elevation — a maximum elevation change of 254 m around an average of 987 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,080 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,972 m.

The land around Calulo is covered by grassland (61%) within 3 km, grassland (44%), trees (31%) and shrubs (23%) within 16 km, and grassland (56%) and trees (31%) within 80 km.

3 km

254 m

grassland 61%

16 km

1,080 m

grassland 44%

80 km

1,972 m

grassland 56%

treesshrubsgrasslandcroplandartificial surfaceswater

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

December weather nearby: Dondo 62 km · Santa Clara 63 km · N'dalatando 78 km · Quibala 82 km · Lucala 90 km · Golungo Alto 97 km · Gabela 110 km · Cacuso 113 km

Angola travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type C / F; 220 V · 50 Hz
Prices: ≈ 35% of US; price level, 2025
GDP per capita: $3,129; 2025
Happiness: 3.8 / 10; World Happiness, 2017
Homicide rate: 4.1; per 100k, 2016
Road deaths: 26.1; per 100k/yr, 2019
Income group: Lower middle; World Bank
English: Very low; EF EPI 413
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 Calulo (-10.0006°, 14.8952°, elevation 995 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).

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

	Clearer (%)	Cloudier (%)
1	10	90
2	10	90
3	10	90
4	10	90
5	10	90
6	10	90
7	10	90
8	10	90
9	10	90
10	10	90
11	10	90
12	10	90
13	10	90
14	11	89
15	11	89
16	11	89
17	11	89
18	12	88
19	12	88
20	12	88
21	13	87
22	14	86
23	14	86
24	15	85
25	15	85
26	15	85
27	15	85
28	16	84
29	16	84
30	16	84
31	17	83

	Rain chance (%)
1	83
2	83
3	83
4	83
5	82
6	81
7	80
8	79
9	78
10	77
11	75
12	74
13	73
14	71
15	70
16	68
17	67
18	66
19	64
20	63
21	62
22	60
23	59
24	58
25	58
26	57
27	57
28	56
29	56
30	56
31	56

	Comfortable (%)	Humid (%)	Muggy (%)
1	1	30	69
2	1	30	69
3	1	31	68
4	1	32	67
5	1	32	67
6	1	34	65
7	1	35	64
8	1	36	63
9	1	37	62
10	1	39	60
11	2	40	58
12	2	41	57
13	2	42	56
14	2	43	55
15	3	44	53
16	3	45	52
17	3	46	51
18	4	46	50
19	4	47	49
20	4	48	48
21	5	49	46
22	5	49	45
23	5	51	44
24	5	51	44
25	6	51	43
26	6	52	42
27	6	52	42
28	5	53	42
29	5	54	41
30	5	54	41
31	5	54	41

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

	Clearer (%)	Cloudier (%)
1	10	90
2	10	90
3	10	90
4	10	90
5	10	90
6	10	90
7	10	90
8	10	90
9	10	90
10	10	90
11	10	90
12	10	90
13	10	90
14	11	89
15	11	89
16	11	89
17	11	89
18	12	88
19	12	88
20	12	88
21	13	87
22	14	86
23	14	86
24	15	85
25	15	85
26	15	85
27	15	85
28	16	84
29	16	84
30	16	84
31	17	83

	Rain chance (%)
1	83
2	83
3	83
4	83
5	82
6	81
7	80
8	79
9	78
10	77
11	75
12	74
13	73
14	71
15	70
16	68
17	67
18	66
19	64
20	63
21	62
22	60
23	59
24	58
25	58
26	57
27	57
28	56
29	56
30	56
31	56

	Comfortable (%)	Humid (%)	Muggy (%)
1	1	30	69
2	1	30	69
3	1	31	68
4	1	32	67
5	1	32	67
6	1	34	65
7	1	35	64
8	1	36	63
9	1	37	62
10	1	39	60
11	2	40	58
12	2	41	57
13	2	42	56
14	2	43	55
15	3	44	53
16	3	45	52
17	3	46	51
18	4	46	50
19	4	47	49
20	4	48	48
21	5	49	46
22	5	49	45
23	5	51	44
24	5	51	44
25	6	51	43
26	6	52	42
27	6	52	42
28	5	53	42
29	5	54	41
30	5	54	41
31	5	54	41

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

	Clearer (%)	Cloudier (%)
1	10	90
2	10	90
3	10	90
4	10	90
5	10	90
6	10	90
7	10	90
8	10	90
9	10	90
10	10	90
11	10	90
12	10	90
13	10	90
14	11	89
15	11	89
16	11	89
17	11	89
18	12	88
19	12	88
20	12	88
21	13	87
22	14	86
23	14	86
24	15	85
25	15	85
26	15	85
27	15	85
28	16	84
29	16	84
30	16	84
31	17	83

	Rain chance (%)
1	83
2	83
3	83
4	83
5	82
6	81
7	80
8	79
9	78
10	77
11	75
12	74
13	73
14	71
15	70
16	68
17	67
18	66
19	64
20	63
21	62
22	60
23	59
24	58
25	58
26	57
27	57
28	56
29	56
30	56
31	56

	Comfortable (%)	Humid (%)	Muggy (%)
1	1	30	69
2	1	30	69
3	1	31	68
4	1	32	67
5	1	32	67
6	1	34	65
7	1	35	64
8	1	36	63
9	1	37	62
10	1	39	60
11	2	40	58
12	2	41	57
13	2	42	56
14	2	43	55
15	3	44	53
16	3	45	52
17	3	46	51
18	4	46	50
19	4	47	49
20	4	48	48
21	5	49	46
22	5	49	45
23	5	51	44
24	5	51	44
25	6	51	43
26	6	52	42
27	6	52	42
28	5	53	42
29	5	54	41
30	5	54	41
31	5	54	41