Oyo weather in December

In December, Oyo sees average daytime highs of 30°C and overnight lows near 23°C, with 136 mm of rain across 21.2 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 7% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of December to 12 h 06 min by month's end. Set against the rest of the year, December is Oyo's 7th-clearest and 10th-windiest month. For the whole year in context, see Oyo's year-round climate.

Daytime high: 30°; 6th warmest
Overnight low: 23°; 7th coldest
Rainfall: 136 mm; 21.2 wet days
Daylight: 12 h 06 min; 5:50 AM – 5:54 PM
Cloud cover: 78%; 7th clearest
Wind: 4 km/h; 10th windiest
Solar energy: 5.01 kWh/m²
Travel score: 3.6; out of 10

Oyo is village in Republic of the Congo.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← November Oyo 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 30°C through the month.

A typical December day in Oyo reaches about 30°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°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)	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30
Avg low (°C)	22	22	22	22	22	22	22	22	22	22	22	22	22	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23

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

How December really feels in Oyo

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.

Oyo weather by month

How December compares with the rest of the year at a glance. December is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	31° / 23°	110	17.5	12.1	3.6
Feb	31° / 23°	118	17.5	12	3.2
Mar	31° / 23°	139	21.2	12	3.1
Apr	31° / 23°	146	22.3	12	3.0
May	31° / 23°	107	19	11.9	3.7
Jun	30° / 23°	44	10	11.9	5.2
Jul	29° / 22°	33	8.4	11.9	5.5
Aug	29° / 22°	64	14.2	12	4.7
Sep	30° / 22°	113	21.6	12	3.6
Oct	30° / 22°	159	25.1	12	3.2
Nov	30° / 22°	160	23.2	12.1	3.3
Dec	30° / 23°	136	21.2	12.1	3.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 78%.

	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 (%)	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	22	22	22	21	22	22	21	21	21	22	22	21	22	22	22
Cloudier (%)	77	77	77	77	77	77	77	77	77	77	77	77	77	77	77	77	78	78	78	79	78	78	79	79	79	78	78	79	78	78	78

	Clearer (%)	Cloudier (%)
1	23	77
2	23	77
3	23	77
4	23	77
5	23	77
6	23	77
7	23	77
8	23	77
9	23	77
10	23	77
11	23	77
12	23	77
13	23	77
14	23	77
15	23	77
16	23	77
17	22	78
18	22	78
19	22	78
20	21	79
21	22	78
22	22	78
23	21	79
24	21	79
25	21	79
26	22	78
27	22	78
28	21	79
29	22	78
30	22	78
31	22	78

Chance of precipitation in December

Any precipitation

Oyo gets around 136 mm of rain over 21.2 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 67% and peaks near 75% 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 (%)	75	75	75	75	74	74	74	74	73	72	71	70	70	69	68	67	67	66	65	65	64	63	62	62	61	60	60	59	59	58	58

	Rain chance (%)
1	75
2	75
3	75
4	75
5	74
6	74
7	74
8	74
9	73
10	72
11	71
12	70
13	70
14	69
15	68
16	67
17	67
18	66
19	65
20	65
21	64
22	63
23	62
24	62
25	61
26	60
27	60
28	59
29	59
30	58
31	58

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 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% 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
Muggy (%)	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	1	1	2	2	2	2	2	2	2	2	3	3	3	3	4
Oppressive (%)	100	100	100	100	100	100	100	100	100	100	99	99	99	99	99	99	99	99	98	97	97	97	97	97	97	97	96	96	96	96	95
Miserable (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	1	1	1	1	1	1

	Muggy (%)	Oppressive (%)	Miserable (%)
1	0	100	0
2	0	100	0
3	0	100	0
4	0	100	0
5	0	100	0
6	0	100	0
7	0	100	0
8	0	100	0
9	0	100	0
10	0	100	0
11	1	99	0
12	1	99	0
13	1	99	0
14	1	99	0
15	1	99	0
16	1	99	0
17	1	99	0
18	1	99	0
19	2	98	0
20	2	97	1
21	2	97	1
22	2	97	1
23	2	97	1
24	2	97	1
25	2	97	1
26	2	97	1
27	3	96	1
28	3	96	1
29	3	96	1
30	3	96	1
31	4	95	1

Wind in December

Winds average 4 km/h in December.

Across December, daily wind ranges from about 4 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)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	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	4	calm
2	4	calm
3	4	calm
4	4	calm
5	4	calm
6	4	calm
7	4	calm
8	4	calm
9	4	calm
10	4	calm
11	4	calm
12	4	calm
13	4	calm
14	4	calm
15	4	calm
16	4	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 06 min at the start of December to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 5:44 AM to 5:57 AM, and sunset from 5:48 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)	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1
Sunrise (AM)	5:44	5:44	5:45	5:45	5:46	5:46	5:46	5:47	5:47	5:48	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	5:54	5:55	5:55	5:56	5:56	5:57	5:57
Sunset (PM)	5:48	5:48	5:49	5:49	5:49	5:50	5:50	5:51	5:51	5:52	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	5:59	6:00	6:00	6:01	6:01

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.1	5:44	5:48
2	12.1	5:44	5:48
3	12.1	5:45	5:49
4	12.1	5:45	5:49
5	12.1	5:46	5:49
6	12.1	5:46	5:50
7	12.1	5:46	5:50
8	12.1	5:47	5:51
9	12.1	5:47	5:51
10	12.1	5:48	5:52
11	12.1	5:48	5:52
12	12.1	5:48	5:52
13	12.1	5:49	5:53
14	12.1	5:49	5:53
15	12.1	5:50	5:54
16	12.1	5:50	5:54
17	12.1	5:51	5:55
18	12.1	5:51	5:55
19	12.1	5:52	5:56
20	12.1	5:52	5:56
21	12.1	5:53	5:57
22	12.1	5:53	5:57
23	12.1	5:54	5:58
24	12.1	5:54	5:58
25	12.1	5:54	5:59
26	12.1	5:55	5:59
27	12.1	5:55	5:59
28	12.1	5:56	6:00
29	12.1	5:56	6:00
30	12.1	5:57	6:01
31	12.1	5:57	6:01

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.01 kWh/m².

For context, solar energy here swings from a low near 4.95 kWh/m² to a high of 5.57 kWh/m² in February across the year — December's 5.01 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)	4.9	4.9	4.9	4.9	4.9	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.1	5.1	5.1	5.1	5.1	5.1	5.1	5.1	5.1	5.2	5.2	5.2
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	4.9	Bright
2	4.9	Bright
3	4.9	Bright
4	4.9	Bright
5	4.9	Bright
6	5.0	Bright
7	5.0	Bright
8	5.0	Bright
9	5.0	Bright
10	5.0	Bright
11	5.0	Bright
12	5.0	Bright
13	5.0	Bright
14	5.0	Bright
15	5.0	Bright
16	5.0	Bright
17	5.0	Bright
18	5.0	Bright
19	5.0	Bright
20	5.1	Bright
21	5.1	Bright
22	5.1	Bright
23	5.1	Bright
24	5.1	Bright
25	5.1	Bright
26	5.1	Bright
27	5.1	Bright
28	5.1	Bright
29	5.2	Bright
30	5.2	Bright
31	5.2	Bright

Planning a trip in December

Is December a good time to visit Oyo?

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

3.6

Sightseeing

5th-best month of the year

5.0

Beach & pool

6th-best month of the year

December is a weaker month for outdoor sightseeing in Oyo.

What to pack for Oyo in December

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

In December, Oyo sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Oyo in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Oyo peaks around March 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 8 (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)	12	12	13	13	10	7	8	9	11	13	10	9
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high	Extreme	Extreme	Extreme	Very high

	UV index (midday)	Level
Jan	12	Extreme
Feb	12	Extreme
Mar	13	Extreme
Apr	13	Extreme
May	10	Extreme
Jun	7	Very high
Jul	8	Very high
Aug	9	Very high
Sep	11	Extreme
Oct	13	Extreme
Nov	10	Extreme
Dec	9	Very high

Air quality in Oyo 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 Oyo is worst in July — around 50 µg/m³ PM2.5 (poor), about 4.5× the cleanest month (October, 11 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)	27	32	24	20	25	38	50	49	20	11	13	21
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Poor	Poor	Poor	Moderate	Good	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	27	Moderate
Feb	32	Moderate
Mar	24	Moderate
Apr	20	Moderate
May	25	Moderate
Jun	38	Poor
Jul	50	Poor
Aug	49	Poor
Sep	20	Moderate
Oct	11	Good
Nov	13	Moderate
Dec	21	Moderate

Location & terrain

Where is Oyo?

Oyo sits at 1.2°S, 16.0°E, 320 m above sea level, in Republic of the Congo. The nearest listed city is Owando, 76 km away.

Topography around Oyo

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

Within 3 km, the terrain around Oyo has only modest variations in elevation — a maximum elevation change of 23 m around an average of 317 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 67 m; within 80 km, significant variations in elevation — a maximum elevation change of 280 m.

The land around Oyo is covered by trees (67%) within 3 km, grassland (52%) and trees (45%) within 16 km, and trees (62%) and grassland (37%) within 80 km.

3 km

23 m

trees 67%

16 km

67 m

grassland 52%

80 km

280 m

trees 62%

treesgrasslandartificial surfaceswater

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

December weather nearby: Owando 76 km · Gamboma 80 km · Mossaka 92 km · Bolobo 114 km · Makoua 136 km · Djambala 204 km · Mushie 232 km · Nioki 258 km

Republic of the Congo travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type C / E; 230 V · 50 Hz
Prices: ≈ 35% of US; price level, 2025
GDP per capita: $2,515; 2025
Happiness: 4.5 / 10; World Happiness, 2025
Safe drinking water: 46%; of population, 2021
Road deaths: 29.7; per 100k/yr, 2019
Income group: Lower middle; World Bank
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 Oyo (-1.165°, 15.97°, elevation 320 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	30	22
2	30	22
3	30	22
4	30	22
5	30	22
6	30	22
7	30	22
8	30	22
9	30	22
10	30	22
11	30	22
12	30	22
13	30	22
14	30	23
15	30	23
16	30	23
17	30	23
18	30	23
19	30	23
20	30	23
21	30	23
22	30	23
23	30	23
24	30	23
25	30	23
26	30	23
27	30	23
28	30	23
29	30	23
30	30	23
31	30	23

	Clearer (%)	Cloudier (%)
1	23	77
2	23	77
3	23	77
4	23	77
5	23	77
6	23	77
7	23	77
8	23	77
9	23	77
10	23	77
11	23	77
12	23	77
13	23	77
14	23	77
15	23	77
16	23	77
17	22	78
18	22	78
19	22	78
20	21	79
21	22	78
22	22	78
23	21	79
24	21	79
25	21	79
26	22	78
27	22	78
28	21	79
29	22	78
30	22	78
31	22	78

	Rain chance (%)
1	75
2	75
3	75
4	75
5	74
6	74
7	74
8	74
9	73
10	72
11	71
12	70
13	70
14	69
15	68
16	67
17	67
18	66
19	65
20	65
21	64
22	63
23	62
24	62
25	61
26	60
27	60
28	59
29	59
30	58
31	58

	Muggy (%)	Oppressive (%)	Miserable (%)
1	0	100	0
2	0	100	0
3	0	100	0
4	0	100	0
5	0	100	0
6	0	100	0
7	0	100	0
8	0	100	0
9	0	100	0
10	0	100	0
11	1	99	0
12	1	99	0
13	1	99	0
14	1	99	0
15	1	99	0
16	1	99	0
17	1	99	0
18	1	99	0
19	2	98	0
20	2	97	1
21	2	97	1
22	2	97	1
23	2	97	1
24	2	97	1
25	2	97	1
26	2	97	1
27	3	96	1
28	3	96	1
29	3	96	1
30	3	96	1
31	4	95	1

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

	Clearer (%)	Cloudier (%)
1	23	77
2	23	77
3	23	77
4	23	77
5	23	77
6	23	77
7	23	77
8	23	77
9	23	77
10	23	77
11	23	77
12	23	77
13	23	77
14	23	77
15	23	77
16	23	77
17	22	78
18	22	78
19	22	78
20	21	79
21	22	78
22	22	78
23	21	79
24	21	79
25	21	79
26	22	78
27	22	78
28	21	79
29	22	78
30	22	78
31	22	78

	Rain chance (%)
1	75
2	75
3	75
4	75
5	74
6	74
7	74
8	74
9	73
10	72
11	71
12	70
13	70
14	69
15	68
16	67
17	67
18	66
19	65
20	65
21	64
22	63
23	62
24	62
25	61
26	60
27	60
28	59
29	59
30	58
31	58

	Muggy (%)	Oppressive (%)	Miserable (%)
1	0	100	0
2	0	100	0
3	0	100	0
4	0	100	0
5	0	100	0
6	0	100	0
7	0	100	0
8	0	100	0
9	0	100	0
10	0	100	0
11	1	99	0
12	1	99	0
13	1	99	0
14	1	99	0
15	1	99	0
16	1	99	0
17	1	99	0
18	1	99	0
19	2	98	0
20	2	97	1
21	2	97	1
22	2	97	1
23	2	97	1
24	2	97	1
25	2	97	1
26	2	97	1
27	3	96	1
28	3	96	1
29	3	96	1
30	3	96	1
31	4	95	1

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

	Clearer (%)	Cloudier (%)
1	23	77
2	23	77
3	23	77
4	23	77
5	23	77
6	23	77
7	23	77
8	23	77
9	23	77
10	23	77
11	23	77
12	23	77
13	23	77
14	23	77
15	23	77
16	23	77
17	22	78
18	22	78
19	22	78
20	21	79
21	22	78
22	22	78
23	21	79
24	21	79
25	21	79
26	22	78
27	22	78
28	21	79
29	22	78
30	22	78
31	22	78

	Rain chance (%)
1	75
2	75
3	75
4	75
5	74
6	74
7	74
8	74
9	73
10	72
11	71
12	70
13	70
14	69
15	68
16	67
17	67
18	66
19	65
20	65
21	64
22	63
23	62
24	62
25	61
26	60
27	60
28	59
29	59
30	58
31	58

	Muggy (%)	Oppressive (%)	Miserable (%)
1	0	100	0
2	0	100	0
3	0	100	0
4	0	100	0
5	0	100	0
6	0	100	0
7	0	100	0
8	0	100	0
9	0	100	0
10	0	100	0
11	1	99	0
12	1	99	0
13	1	99	0
14	1	99	0
15	1	99	0
16	1	99	0
17	1	99	0
18	1	99	0
19	2	98	0
20	2	97	1
21	2	97	1
22	2	97	1
23	2	97	1
24	2	97	1
25	2	97	1
26	2	97	1
27	3	96	1
28	3	96	1
29	3	96	1
30	3	96	1
31	4	95	1