Simití weather in December

In December, Simití sees average daytime highs of 30°C and overnight lows near 23°C, with 109 mm of rain across 17.1 wet days and about 11.5 hours of daylight. It is the 8th-warmest and 10th-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 19% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 36 min at the start of December to 11 h 30 min by month's end. Set against the rest of the year, December is Simití's 3rd-clearest and 10th-windiest month. For the whole year in context, see Simití's year-round climate.

Daytime high: 30°; 8th warmest
Overnight low: 23°; 4th coldest
Rainfall: 109 mm; 17.1 wet days
Daylight: 11 h 30 min; 6:06 AM – 5:38 PM
Cloud cover: 68%; 3rd clearest
Wind: 4 km/h; 10th windiest
Solar energy: 4.52 kWh/m²
Travel score: 4.3; out of 10

← November Simití 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 Simití reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, December runs on par with November and about 1°C cooler than 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)	29	29	29	29	29	29	29	29	29	29	29	29	29	29	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30
Avg low (°C)	23	23	23	23	23	23	23	23	23	23	23	23	23	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	29	23
2	29	23
3	29	23
4	29	23
5	29	23
6	29	23
7	29	23
8	29	23
9	29	23
10	29	23
11	29	23
12	29	23
13	29	23
14	29	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 Simití

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.

Simití weather by month

How December compares with the rest of the year at a glance. December is the 8th-warmest and 10th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	31° / 23°	52	9	11.6	4.8
Feb	32° / 23°	73	12.9	11.7	3.7
Mar	31° / 23°	173	21.9	11.9	3.1
Apr	30° / 23°	251	26.8	12.2	2.8
May	30° / 23°	281	28.2	12.4	2.8
Jun	30° / 23°	168	24	12.5	3.2
Jul	30° / 23°	125	23.4	12.4	3.3
Aug	30° / 23°	146	25.2	12.3	3.0
Sep	30° / 23°	182	26.3	12	3.0
Oct	29° / 23°	263	28.6	11.8	3.0
Nov	29° / 23°	269	26.6	11.6	3.2
Dec	30° / 23°	109	17.1	11.5	4.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 66%. Skies tend to open up as the month goes on.

	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 (%)	19	19	19	21	21	21	23	23	24	26	27	27	29	31	31	34	34	36	38	39	40	42	43	45	46	48	49	50	51	52	53
Cloudier (%)	81	81	81	79	79	79	77	77	76	74	73	73	71	69	69	66	66	64	62	61	60	58	57	55	54	52	51	50	49	48	47

	Clearer (%)	Cloudier (%)
1	19	81
2	19	81
3	19	81
4	21	79
5	21	79
6	21	79
7	23	77
8	23	77
9	24	76
10	26	74
11	27	73
12	27	73
13	29	71
14	31	69
15	31	69
16	34	66
17	34	66
18	36	64
19	38	62
20	39	61
21	40	60
22	42	58
23	43	57
24	45	55
25	46	54
26	48	52
27	49	51
28	50	50
29	51	49
30	52	48
31	53	47

Chance of precipitation in December

Any precipitation

Simití gets around 109 mm of rain over 17.1 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 55% and peaks near 73% 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 (%)	73	72	71	70	69	68	67	66	65	64	63	62	61	59	58	57	55	54	53	51	49	47	45	44	42	41	39	38	38	37	36

	Rain chance (%)
1	73
2	72
3	71
4	70
5	69
6	68
7	67
8	66
9	65
10	64
11	63
12	62
13	61
14	59
15	58
16	57
17	55
18	54
19	53
20	51
21	49
22	47
23	45
24	44
25	42
26	41
27	39
28	38
29	38
30	37
31	36

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 88% 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	1	1	1	2	2	3	3	4	4	5	6	6	7	8	8	9	10	10	10	11	11	11	11	12	12
Oppressive (%)	88	88	89	89	90	90	90	90	91	91	91	91	91	90	90	89	88	88	87	86	86	85	84	85	85	84	84	85	85	84	85
Miserable (%)	12	12	11	11	10	10	9	9	8	7	7	6	6	6	6	6	6	6	6	6	6	6	6	5	5	5	5	4	4	4	3

	Muggy (%)	Oppressive (%)	Miserable (%)
1	0	88	12
2	0	88	12
3	0	89	11
4	0	89	11
5	0	90	10
6	0	90	10
7	1	90	9
8	1	90	9
9	1	91	8
10	2	91	7
11	2	91	7
12	3	91	6
13	3	91	6
14	4	90	6
15	4	90	6
16	5	89	6
17	6	88	6
18	6	88	6
19	7	87	6
20	8	86	6
21	8	86	6
22	9	85	6
23	10	84	6
24	10	85	5
25	10	85	5
26	11	84	5
27	11	84	5
28	11	85	4
29	11	85	4
30	12	84	4
31	12	85	3

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 4 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	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
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	4	calm
18	4	calm
19	4	calm
20	4	calm
21	4	calm
22	4	calm
23	4	calm
24	4	calm
25	4	calm
26	4	calm
27	4	calm
28	4	calm
29	4	calm
30	4	calm
31	4	calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 36 min at the start of December to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 5:58 AM to 6:13 AM, and sunset from 5:33 PM to 5:45 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)	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5
Sunrise (AM)	5:58	5:59	5:59	6:00	6:00	6:01	6:01	6:02	6:02	6:03	6:03	6:04	6:04	6:05	6:05	6:06	6:06	6:07	6:07	6:08	6:08	6:09	6:09	6:10	6:10	6:10	6:11	6:11	6:12	6:12	6:13
Sunset (PM)	5:33	5:33	5:33	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	5:39	5:39	5:39	5:40	5:40	5:41	5:41	5:42	5:42	5:43	5:43	5:44	5:44	5:45	5:45

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.6	5:58	5:33
2	11.6	5:59	5:33
3	11.6	5:59	5:33
4	11.6	6:00	5:34
5	11.6	6:00	5:34
6	11.6	6:01	5:34
7	11.6	6:01	5:35
8	11.6	6:02	5:35
9	11.5	6:02	5:35
10	11.5	6:03	5:36
11	11.5	6:03	5:36
12	11.5	6:04	5:36
13	11.5	6:04	5:37
14	11.5	6:05	5:37
15	11.5	6:05	5:38
16	11.5	6:06	5:38
17	11.5	6:06	5:39
18	11.5	6:07	5:39
19	11.5	6:07	5:39
20	11.5	6:08	5:40
21	11.5	6:08	5:40
22	11.5	6:09	5:41
23	11.5	6:09	5:41
24	11.5	6:10	5:42
25	11.5	6:10	5:42
26	11.5	6:10	5:43
27	11.5	6:11	5:43
28	11.5	6:11	5:44
29	11.5	6:12	5:44
30	11.5	6:12	5:45
31	11.5	6:13	5:45

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.52 kWh/m².

For context, solar energy here swings from a low near 4.15 kWh/m² to a high of 5.58 kWh/m² in February across the year — December's 4.52 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)	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.4	4.4	4.4	4.4	4.4	4.5	4.5	4.5	4.5	4.5	4.6	4.6	4.6	4.6	4.7	4.7	4.7	4.8	4.8	4.8	4.8	4.8	4.9
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	4.3	Bright
2	4.3	Bright
3	4.3	Bright
4	4.3	Bright
5	4.3	Bright
6	4.3	Bright
7	4.3	Bright
8	4.3	Bright
9	4.4	Bright
10	4.4	Bright
11	4.4	Bright
12	4.4	Bright
13	4.4	Bright
14	4.5	Bright
15	4.5	Bright
16	4.5	Bright
17	4.5	Bright
18	4.5	Bright
19	4.6	Bright
20	4.6	Bright
21	4.6	Bright
22	4.6	Bright
23	4.7	Bright
24	4.7	Bright
25	4.7	Bright
26	4.8	Bright
27	4.8	Bright
28	4.8	Bright
29	4.8	Bright
30	4.8	Bright
31	4.9	Bright

Planning a trip in December

Is December a good time to visit Simití?

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

4.3

Sightseeing

2nd-best month of the year

5.7

Beach & pool

3rd-best month of the year

December is a reasonable time to visit Simití for sightseeing.

What to pack for Simití in December

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

In December, Simití sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in Simití in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Simití peaks around February 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 10 (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)	11	13	12	11	13	13	12	12	13	12	10	10
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high

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

Air quality in Simití 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 Simití is worst in March — around 49 µg/m³ PM2.5 (poor), about 4.5× the cleanest month (December, 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)	14	26	49	28	19	18	18	16	12	12	11	11
Level	Moderate	Moderate	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	14	Moderate
Feb	26	Moderate
Mar	49	Poor
Apr	28	Moderate
May	19	Moderate
Jun	18	Moderate
Jul	18	Moderate
Aug	16	Moderate
Sep	12	Moderate
Oct	12	Good
Nov	11	Good
Dec	11	Good

Location & terrain

Where is Simití?

Simití sits at 8.0°N, 73.9°W, 48 m above sea level, in Colombia. The nearest listed city is Morales, 36 km away.

Topography around Simití

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

Within 3 km, the terrain around Simití has only modest variations in elevation — a maximum elevation change of 117 m around an average of 57 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 843 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,508 m.

The land around Simití is covered by water (41%), grassland (33%) and trees (24%) within 3 km, grassland (47%) and trees (42%) within 16 km, and trees (64%) and grassland (33%) within 80 km.

3 km

117 m

water 41%

16 km

843 m

grassland 47%

80 km

3,508 m

trees 64%

treesgrasslandartificial surfaceswater

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

December weather nearby: Morales 36 km · San Martín 48 km · Aguachica 53 km · Puerto Wilches 68 km · Ocaña 72 km · Tiquisio 75 km · Sabana de Torres 80 km · Nechí 93 km

Colombia travel facts

Travel advisory: Level 3; Reconsider Travel
Power plugs: Type A / B; 120 / 240 V · 60 Hz
Prices: ≈ 38% of US; price level, 2025
GDP per capita: $8,562; 2025
Happiness: 6.0 / 10; World Happiness, 2025
Safe drinking water: 74%; of population, 2024
Homicide rate: 24.9; per 100k, 2023
Road deaths: 15.4; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Low; EF EPI 480
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 Simití (7.9579°, -73.9436°, elevation 48 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	29	23
2	29	23
3	29	23
4	29	23
5	29	23
6	29	23
7	29	23
8	29	23
9	29	23
10	29	23
11	29	23
12	29	23
13	29	23
14	29	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	19	81
2	19	81
3	19	81
4	21	79
5	21	79
6	21	79
7	23	77
8	23	77
9	24	76
10	26	74
11	27	73
12	27	73
13	29	71
14	31	69
15	31	69
16	34	66
17	34	66
18	36	64
19	38	62
20	39	61
21	40	60
22	42	58
23	43	57
24	45	55
25	46	54
26	48	52
27	49	51
28	50	50
29	51	49
30	52	48
31	53	47

	Rain chance (%)
1	73
2	72
3	71
4	70
5	69
6	68
7	67
8	66
9	65
10	64
11	63
12	62
13	61
14	59
15	58
16	57
17	55
18	54
19	53
20	51
21	49
22	47
23	45
24	44
25	42
26	41
27	39
28	38
29	38
30	37
31	36

	Muggy (%)	Oppressive (%)	Miserable (%)
1	0	88	12
2	0	88	12
3	0	89	11
4	0	89	11
5	0	90	10
6	0	90	10
7	1	90	9
8	1	90	9
9	1	91	8
10	2	91	7
11	2	91	7
12	3	91	6
13	3	91	6
14	4	90	6
15	4	90	6
16	5	89	6
17	6	88	6
18	6	88	6
19	7	87	6
20	8	86	6
21	8	86	6
22	9	85	6
23	10	84	6
24	10	85	5
25	10	85	5
26	11	84	5
27	11	84	5
28	11	85	4
29	11	85	4
30	12	84	4
31	12	85	3

	Avg high (°C)	Avg low (°C)
1	29	23
2	29	23
3	29	23
4	29	23
5	29	23
6	29	23
7	29	23
8	29	23
9	29	23
10	29	23
11	29	23
12	29	23
13	29	23
14	29	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	19	81
2	19	81
3	19	81
4	21	79
5	21	79
6	21	79
7	23	77
8	23	77
9	24	76
10	26	74
11	27	73
12	27	73
13	29	71
14	31	69
15	31	69
16	34	66
17	34	66
18	36	64
19	38	62
20	39	61
21	40	60
22	42	58
23	43	57
24	45	55
25	46	54
26	48	52
27	49	51
28	50	50
29	51	49
30	52	48
31	53	47

	Rain chance (%)
1	73
2	72
3	71
4	70
5	69
6	68
7	67
8	66
9	65
10	64
11	63
12	62
13	61
14	59
15	58
16	57
17	55
18	54
19	53
20	51
21	49
22	47
23	45
24	44
25	42
26	41
27	39
28	38
29	38
30	37
31	36

	Muggy (%)	Oppressive (%)	Miserable (%)
1	0	88	12
2	0	88	12
3	0	89	11
4	0	89	11
5	0	90	10
6	0	90	10
7	1	90	9
8	1	90	9
9	1	91	8
10	2	91	7
11	2	91	7
12	3	91	6
13	3	91	6
14	4	90	6
15	4	90	6
16	5	89	6
17	6	88	6
18	6	88	6
19	7	87	6
20	8	86	6
21	8	86	6
22	9	85	6
23	10	84	6
24	10	85	5
25	10	85	5
26	11	84	5
27	11	84	5
28	11	85	4
29	11	85	4
30	12	84	4
31	12	85	3

	Avg high (°C)	Avg low (°C)
1	29	23
2	29	23
3	29	23
4	29	23
5	29	23
6	29	23
7	29	23
8	29	23
9	29	23
10	29	23
11	29	23
12	29	23
13	29	23
14	29	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	19	81
2	19	81
3	19	81
4	21	79
5	21	79
6	21	79
7	23	77
8	23	77
9	24	76
10	26	74
11	27	73
12	27	73
13	29	71
14	31	69
15	31	69
16	34	66
17	34	66
18	36	64
19	38	62
20	39	61
21	40	60
22	42	58
23	43	57
24	45	55
25	46	54
26	48	52
27	49	51
28	50	50
29	51	49
30	52	48
31	53	47

	Rain chance (%)
1	73
2	72
3	71
4	70
5	69
6	68
7	67
8	66
9	65
10	64
11	63
12	62
13	61
14	59
15	58
16	57
17	55
18	54
19	53
20	51
21	49
22	47
23	45
24	44
25	42
26	41
27	39
28	38
29	38
30	37
31	36

	Muggy (%)	Oppressive (%)	Miserable (%)
1	0	88	12
2	0	88	12
3	0	89	11
4	0	89	11
5	0	90	10
6	0	90	10
7	1	90	9
8	1	90	9
9	1	91	8
10	2	91	7
11	2	91	7
12	3	91	6
13	3	91	6
14	4	90	6
15	4	90	6
16	5	89	6
17	6	88	6
18	6	88	6
19	7	87	6
20	8	86	6
21	8	86	6
22	9	85	6
23	10	84	6
24	10	85	5
25	10	85	5
26	11	84	5
27	11	84	5
28	11	85	4
29	11	85	4
30	12	84	4
31	12	85	3