Tarija weather in December

In December, Tarija sees average daytime highs of 21°C and overnight lows near 11°C, with 194 mm of rain across 24.5 wet days and about 13.3 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 6% of the time in December, and the air most often feels dry.

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 Tarija's 10th-clearest and 8th-windiest month. For the whole year in context, see Tarija's year-round climate.

Daytime high: 21°; 2nd warmest
Overnight low: 11°; 11th coldest
Rainfall: 194 mm; 24.5 wet days
Daylight: 13 h 18 min; 5:36 AM – 6:54 PM
Cloud cover: 79%; 10th clearest
Wind: 6 km/h; 8th windiest
Solar energy: 6.12 kWh/m²
Travel score: 4.2; out of 10

Tarija is city of Bolivia.

Founded: 1574

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

← November Tarija 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 21°C through the month.

A typical December day in Tarija reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 24°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)	20	20	20	20	20	20	20	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21
Avg low (°C)	10	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11

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

How December really feels in Tarija

Once humidity and wind are folded in, December averages 0 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

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Tarija weather by month

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

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	20° / 11°	220	24.9	13.2	4.0
Feb	20° / 11°	190	21.8	12.7	4.1
Mar	20° / 10°	163	21.8	12.2	4.5
Apr	19° / 9°	72	13.8	11.5	5.5
May	19° / 6°	24	6.9	11	6.6
Jun	19° / 3°	9	3.2	10.7	7.3
Jul	18° / 2°	9	2.7	10.8	7.4
Aug	19° / 4°	15	4.5	11.3	7.4
Sep	20° / 6°	34	8.4	11.9	6.7
Oct	21° / 9°	86	17.3	12.5	5.3
Nov	20° / 10°	130	20.5	13	4.6
Dec	21° / 11°	194	24.5	13.3	4.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 83%.

	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 (%)	16	15	15	15	15	14	14	15	15	16	17	18	18	18	20	20	21	21	21	20	20	20	20	18	18	18	17	16	15	15	15
Cloudier (%)	84	85	85	85	85	86	86	85	85	84	83	82	82	82	80	80	79	79	79	80	80	80	80	82	82	82	83	84	85	85	85

	Clearer (%)	Cloudier (%)
1	16	84
2	15	85
3	15	85
4	15	85
5	15	85
6	14	86
7	14	86
8	15	85
9	15	85
10	16	84
11	17	83
12	18	82
13	18	82
14	18	82
15	20	80
16	20	80
17	21	79
18	21	79
19	21	79
20	20	80
21	20	80
22	20	80
23	20	80
24	18	82
25	18	82
26	18	82
27	17	83
28	16	84
29	15	85
30	15	85
31	15	85

Chance of precipitation in December

Any precipitation

Tarija gets around 194 mm of rain over 24.5 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 78% and peaks near 83% on the wettest days.

	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 (%)	77	77	77	78	78	78	78	78	77	77	77	76	76	76	76	76	77	77	77	78	78	79	79	80	81	81	82	82	82	83	83

	Rain chance (%)
1	77
2	77
3	77
4	78
5	78
6	78
7	78
8	78
9	77
10	77
11	77
12	76
13	76
14	76
15	76
16	76
17	77
18	77
19	77
20	78
21	78
22	79
23	79
24	80
25	81
26	81
27	82
28	82
29	82
30	83
31	83

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 76% of days. It rarely turns muggy — the humid and sticky bands barely register.

	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
Dry (%)	82	81	81	81	80	80	79	79	79	79	78	78	78	78	77	77	76	76	75	75	75	74	74	74	74	73	73	73	73	72	72
Comfortable (%)	18	19	19	19	20	20	21	21	21	21	22	22	22	22	23	23	24	24	25	25	25	26	26	26	26	27	27	27	27	28	28

	Dry (%)	Comfortable (%)
1	82	18
2	81	19
3	81	19
4	81	19
5	80	20
6	80	20
7	79	21
8	79	21
9	79	21
10	79	21
11	78	22
12	78	22
13	78	22
14	78	22
15	77	23
16	77	23
17	76	24
18	76	24
19	75	25
20	75	25
21	75	25
22	74	26
23	74	26
24	74	26
25	74	26
26	73	27
27	73	27
28	73	27
29	73	27
30	72	28
31	72	28

Wind in December

Winds average 6 km/h in December.

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

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 5:32 AM to 5:43 AM, and sunset from 6:45 PM to 7:01 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)	13.2	13.2	13.2	13.2	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3
Sunrise (AM)	5:32	5:32	5:32	5:33	5:33	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	5:38	5:39	5:39	5:40	5:40	5:41	5:42	5:42	5:43	5:43
Sunset (PM)	6:45	6:46	6:47	6:47	6:48	6:48	6:49	6:50	6:50	6:51	6:51	6:52	6:53	6:53	6:54	6:54	6:55	6:55	6:56	6:56	6:57	6:57	6:58	6:58	6:59	6:59	6:59	7:00	7:00	7:01	7:01

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	13.2	5:32	6:45
2	13.2	5:32	6:46
3	13.2	5:32	6:47
4	13.2	5:33	6:47
5	13.3	5:33	6:48
6	13.3	5:33	6:48
7	13.3	5:33	6:49
8	13.3	5:33	6:50
9	13.3	5:34	6:50
10	13.3	5:34	6:51
11	13.3	5:34	6:51
12	13.3	5:35	6:52
13	13.3	5:35	6:53
14	13.3	5:35	6:53
15	13.3	5:36	6:54
16	13.3	5:36	6:54
17	13.3	5:36	6:55
18	13.3	5:37	6:55
19	13.3	5:37	6:56
20	13.3	5:38	6:56
21	13.3	5:38	6:57
22	13.3	5:38	6:57
23	13.3	5:39	6:58
24	13.3	5:39	6:58
25	13.3	5:40	6:59
26	13.3	5:40	6:59
27	13.3	5:41	6:59
28	13.3	5:42	7:00
29	13.3	5:42	7:00
30	13.3	5:43	7:01
31	13.3	5:43	7:01

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 4.54 kWh/m² to a high of 6.24 kWh/m² in October across the year — December's 6.12 kWh/m² sits near the top of that range.

	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)	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.1	6.1	6.1	6.1	6.1	6.1	6.1
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	6.1	Intense
2	6.1	Intense
3	6.1	Intense
4	6.1	Intense
5	6.1	Intense
6	6.1	Intense
7	6.1	Intense
8	6.1	Intense
9	6.1	Intense
10	6.1	Intense
11	6.1	Intense
12	6.1	Intense
13	6.1	Intense
14	6.1	Intense
15	6.2	Intense
16	6.2	Intense
17	6.2	Intense
18	6.2	Intense
19	6.2	Intense
20	6.2	Intense
21	6.2	Intense
22	6.2	Intense
23	6.2	Intense
24	6.2	Intense
25	6.1	Intense
26	6.1	Intense
27	6.1	Intense
28	6.1	Intense
29	6.1	Intense
30	6.1	Intense
31	6.1	Intense

Planning a trip in December

Hazard calendar for Tarija

In seasonPeak

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

Tarija's monsoon runs November–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 Tarija?

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

4.2

Sightseeing

10th-best month of the year

2.4

Beach & pool

9th-best month of the year

December is a reasonable time to visit Tarija for sightseeing.

What to pack for Tarija in December

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

In December, Tarija sees daytime highs around 21°C and nights near 11°C. Pack rain gear and sun protection. About 25 days see rain.

rain gearsun protection

UV index in Tarija in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 17 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tarija peaks around January 18 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 7 (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)	17	17	15	12	9	7	7	10	12	15	15	17
Level	Extreme	Extreme	Extreme	Extreme	Very high	Very high	High	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	17	Extreme
Feb	17	Extreme
Mar	15	Extreme
Apr	12	Extreme
May	9	Very high
Jun	7	Very high
Jul	7	High
Aug	10	Extreme
Sep	12	Extreme
Oct	15	Extreme
Nov	15	Extreme
Dec	17	Extreme

Location & terrain

Where is Tarija?

Tarija sits at 21.5°S, 64.7°W, 1,870 m above sea level, in Bolivia. The nearest listed city is Tupiza, 103 km away.

Topography around Tarija

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

Within 3 km, the terrain around Tarija has only modest variations in elevation — a maximum elevation change of 108 m around an average of 1,886 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,129 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,049 m.

The land around Tarija is covered by artificial surfaces (60%) within 3 km, grassland (56%) within 16 km, and grassland (49%) and trees (33%) within 80 km.

3 km

108 m

artificial surfaces 60%

16 km

2,129 m

grassland 56%

80 km

4,049 m

grassland 49%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

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

December weather nearby: Tupiza 103 km · Villazón 108 km · Yacuiba 121 km · Profesor Salvador Mazza 122 km · Villamontes 134 km · Bermejo 139 km · Tartagal 145 km · General Mosconi 151 km

Bolivia travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type A / B / C; 230 V · 50 Hz
Prices: ≈ 40% of US; price level, 2025
GDP per capita: $5,148; 2025
Happiness: 5.8 / 10; World Happiness, 2025
Homicide rate: 4.4; per 100k, 2023
Road deaths: 21.1; per 100k/yr, 2019
Income group: Lower middle; World Bank
English: Moderate; EF EPI 521
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 Tarija (-21.5355°, -64.7296°, elevation 1,870 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. 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	20	10
2	20	11
3	20	11
4	20	11
5	20	11
6	20	11
7	20	11
8	21	11
9	21	11
10	21	11
11	21	11
12	21	11
13	21	11
14	21	11
15	21	11
16	21	11
17	21	11
18	21	11
19	21	11
20	21	11
21	21	11
22	21	11
23	21	11
24	21	11
25	21	11
26	21	11
27	21	11
28	21	11
29	21	11
30	21	11
31	21	11

	Clearer (%)	Cloudier (%)
1	16	84
2	15	85
3	15	85
4	15	85
5	15	85
6	14	86
7	14	86
8	15	85
9	15	85
10	16	84
11	17	83
12	18	82
13	18	82
14	18	82
15	20	80
16	20	80
17	21	79
18	21	79
19	21	79
20	20	80
21	20	80
22	20	80
23	20	80
24	18	82
25	18	82
26	18	82
27	17	83
28	16	84
29	15	85
30	15	85
31	15	85

	Rain chance (%)
1	77
2	77
3	77
4	78
5	78
6	78
7	78
8	78
9	77
10	77
11	77
12	76
13	76
14	76
15	76
16	76
17	77
18	77
19	77
20	78
21	78
22	79
23	79
24	80
25	81
26	81
27	82
28	82
29	82
30	83
31	83

	Dry (%)	Comfortable (%)
1	82	18
2	81	19
3	81	19
4	81	19
5	80	20
6	80	20
7	79	21
8	79	21
9	79	21
10	79	21
11	78	22
12	78	22
13	78	22
14	78	22
15	77	23
16	77	23
17	76	24
18	76	24
19	75	25
20	75	25
21	75	25
22	74	26
23	74	26
24	74	26
25	74	26
26	73	27
27	73	27
28	73	27
29	73	27
30	72	28
31	72	28

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

	Clearer (%)	Cloudier (%)
1	16	84
2	15	85
3	15	85
4	15	85
5	15	85
6	14	86
7	14	86
8	15	85
9	15	85
10	16	84
11	17	83
12	18	82
13	18	82
14	18	82
15	20	80
16	20	80
17	21	79
18	21	79
19	21	79
20	20	80
21	20	80
22	20	80
23	20	80
24	18	82
25	18	82
26	18	82
27	17	83
28	16	84
29	15	85
30	15	85
31	15	85

	Rain chance (%)
1	77
2	77
3	77
4	78
5	78
6	78
7	78
8	78
9	77
10	77
11	77
12	76
13	76
14	76
15	76
16	76
17	77
18	77
19	77
20	78
21	78
22	79
23	79
24	80
25	81
26	81
27	82
28	82
29	82
30	83
31	83

	Dry (%)	Comfortable (%)
1	82	18
2	81	19
3	81	19
4	81	19
5	80	20
6	80	20
7	79	21
8	79	21
9	79	21
10	79	21
11	78	22
12	78	22
13	78	22
14	78	22
15	77	23
16	77	23
17	76	24
18	76	24
19	75	25
20	75	25
21	75	25
22	74	26
23	74	26
24	74	26
25	74	26
26	73	27
27	73	27
28	73	27
29	73	27
30	72	28
31	72	28

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

	Clearer (%)	Cloudier (%)
1	16	84
2	15	85
3	15	85
4	15	85
5	15	85
6	14	86
7	14	86
8	15	85
9	15	85
10	16	84
11	17	83
12	18	82
13	18	82
14	18	82
15	20	80
16	20	80
17	21	79
18	21	79
19	21	79
20	20	80
21	20	80
22	20	80
23	20	80
24	18	82
25	18	82
26	18	82
27	17	83
28	16	84
29	15	85
30	15	85
31	15	85

	Rain chance (%)
1	77
2	77
3	77
4	78
5	78
6	78
7	78
8	78
9	77
10	77
11	77
12	76
13	76
14	76
15	76
16	76
17	77
18	77
19	77
20	78
21	78
22	79
23	79
24	80
25	81
26	81
27	82
28	82
29	82
30	83
31	83

	Dry (%)	Comfortable (%)
1	82	18
2	81	19
3	81	19
4	81	19
5	80	20
6	80	20
7	79	21
8	79	21
9	79	21
10	79	21
11	78	22
12	78	22
13	78	22
14	78	22
15	77	23
16	77	23
17	76	24
18	76	24
19	75	25
20	75	25
21	75	25
22	74	26
23	74	26
24	74	26
25	74	26
26	73	27
27	73	27
28	73	27
29	73	27
30	72	28
31	72	28