Uyuni weather in May

In May, Uyuni sees average daytime highs of 14°C and overnight lows near -2°C, with 2 mm of precipitation across 0.5 wet days and about 11 hours of daylight. It is the 9th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 15°C in the first days to 13°C by the end. The sky is clear or mostly clear about 76% of the time in May, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of May to 10 h 54 min by month's end. Set against the rest of the year, May is Uyuni's 5th-clearest and 6th-windiest month. For the whole year in context, see Uyuni's year-round climate.

Daytime high: 14°; 9th warmest
Overnight low: -2°; 4th coldest
Precipitation: 2 mm; 0.5 wet days
Daylight: 11 hours; 6:53 AM – 5:54 PM
Cloud cover: 21%; 5th clearest
Wind: 12 km/h; 6th windiest
Solar energy: 5.89 kWh/m²
Travel score: 5.5; out of 10

Uyuni is city in Bolivia.

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

← April Uyuni year-round climate June →Best places to visit in May

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 15°C in the first days to 13°C by the end.

A typical May day in Uyuni reaches about 14°C in the afternoon and slips back to -2°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 16°C. Set against its neighbours, May runs about 3°C cooler than April and about 2°C warmer than June.

	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)	16	16	16	15	15	15	15	15	15	15	14	14	14	14	14	14	14	14	13	13	13	13	13	13	13	13	13	13	13	13	13
Avg low (°C)	0	0	0	0	0	0	-1	-1	-1	-1	-1	-1	-1	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2

	Avg high (°C)	Avg low (°C)
1	16	0
2	16	0
3	16	0
4	15	0
5	15	0
6	15	0
7	15	-1
8	15	-1
9	15	-1
10	15	-1
11	14	-1
12	14	-1
13	14	-1
14	14	-2
15	14	-2
16	14	-2
17	14	-2
18	14	-2
19	13	-2
20	13	-2
21	13	-2
22	13	-2
23	13	-2
24	13	-2
25	13	-2
26	13	-2
27	13	-2
28	13	-2
29	13	-2
30	13	-2
31	13	-2

How May really feels in Uyuni

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 31 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 May is cold — wind chill drags the overnight "feels like" below the raw low.

Uyuni weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 11th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	18° / 6°	131	19.4	13.1	4.5
Feb	17° / 6°	108	17	12.7	4.5
Mar	18° / 5°	54	11.8	12.1	5.6
Apr	17° / 2°	10	2.5	11.5	6.7
May	14° / -2°	2	0.5	11	5.5
Jun	12° / -3°	1	0.3	10.8	4.4
Jul	12° / -3°	3	0.7	10.9	4.3
Aug	14° / -2°	3	0.9	11.3	5.5
Sep	16° / -1°	4	1.2	11.9	6.7
Oct	18° / 2°	9	1.9	12.5	7.5
Nov	20° / 4°	13	3.4	13	7.5
Dec	20° / 6°	62	10.4	13.2	6.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 10% of May, with mostly cloudy or overcast conditions the remaining 14%.

	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 (%)	83	84	84	84	85	85	86	86	86	86	86	86	87	87	87	87	87	87	87	87	87	87	87	87	86	86	86	86	85	85	85
Cloudier (%)	17	16	16	16	15	15	14	14	14	14	14	14	13	13	13	13	13	13	13	13	13	13	13	13	14	14	14	14	15	15	15

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

Chance of precipitation in May

Any precipitation

Uyuni gets around 2 mm of rain and snow over 0.5 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 1% and peaks near 3% on the wettest days, and about 0 day brings snow.

	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 (%)	3	3	3	3	3	3	3	2	2	2	2	2	1	1	1	1	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0

	Rain chance (%)
1	3
2	3
3	3
4	3
5	3
6	3
7	3
8	2
9	2
10	2
11	2
12	2
13	1
14	1
15	1
16	1
17	1
18	1
19	1
20	1
21	1
22	1
23	1
24	1
25	0
26	0
27	0
28	0
29	0
30	0
31	0

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 100% 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 (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 13 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)	12	12	12	12	12	12	12	12	12	12	12	12	12	12	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13
Feels	calm	calm	calm	calm	calm	calm	calm	calm	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	12	calm
2	12	calm
3	12	calm
4	12	calm
5	12	calm
6	12	calm
7	12	calm
8	12	calm
9	12	light breeze
10	12	light breeze
11	12	light breeze
12	12	light breeze
13	12	light breeze
14	12	light breeze
15	13	light breeze
16	13	light breeze
17	13	light breeze
18	13	light breeze
19	13	light breeze
20	13	light breeze
21	13	light breeze
22	13	light breeze
23	13	light breeze
24	13	light breeze
25	13	light breeze
26	13	light breeze
27	13	light breeze
28	13	light breeze
29	13	light breeze
30	13	light breeze
31	13	light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 18 min at the start of May to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over May. Sunrise moves from 6:47 AM to 6:59 AM, and sunset from 6:02 PM to 5:51 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)	11.3	11.2	11.2	11.2	11.2	11.2	11.2	11.1	11.1	11.1	11.1	11.1	11.1	11.1	11.0	11.0	11.0	11.0	11.0	11.0	11.0	11.0	10.9	10.9	10.9	10.9	10.9	10.9	10.9	10.9	10.9
Sunrise (AM)	6:47	6:47	6:47	6:48	6:48	6:49	6:49	6:49	6:50	6:50	6:51	6:51	6:51	6:52	6:52	6:53	6:53	6:53	6:54	6:54	6:55	6:55	6:56	6:56	6:56	6:57	6:57	6:58	6:58	6:58	6:59
Sunset (PM)	6:02	6:02	6:01	6:00	6:00	5:59	5:59	5:58	5:58	5:57	5:57	5:56	5:56	5:55	5:55	5:54	5:54	5:54	5:53	5:53	5:53	5:52	5:52	5:52	5:52	5:51	5:51	5:51	5:51	5:51	5:51

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.3	6:47	6:02
2	11.2	6:47	6:02
3	11.2	6:47	6:01
4	11.2	6:48	6:00
5	11.2	6:48	6:00
6	11.2	6:49	5:59
7	11.2	6:49	5:59
8	11.1	6:49	5:58
9	11.1	6:50	5:58
10	11.1	6:50	5:57
11	11.1	6:51	5:57
12	11.1	6:51	5:56
13	11.1	6:51	5:56
14	11.1	6:52	5:55
15	11.0	6:52	5:55
16	11.0	6:53	5:54
17	11.0	6:53	5:54
18	11.0	6:53	5:54
19	11.0	6:54	5:53
20	11.0	6:54	5:53
21	11.0	6:55	5:53
22	11.0	6:55	5:52
23	10.9	6:56	5:52
24	10.9	6:56	5:52
25	10.9	6:56	5:52
26	10.9	6:57	5:51
27	10.9	6:57	5:51
28	10.9	6:58	5:51
29	10.9	6:58	5:51
30	10.9	6:58	5:51
31	10.9	6:59	5:51

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.89 kWh/m².

For context, solar energy here swings from a low near 5.33 kWh/m² to a high of 8.91 kWh/m² in November across the year — May's 5.89 kWh/m² sits near the bottom.

	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)	6.3	6.2	6.2	6.2	6.2	6.1	6.1	6.1	6.1	6.0	6.0	6.0	6.0	5.9	5.9	5.9	5.9	5.8	5.8	5.8	5.8	5.7	5.7	5.7	5.7	5.7	5.6	5.6	5.6	5.6	5.5
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	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	6.3	Intense
2	6.2	Intense
3	6.2	Intense
4	6.2	Intense
5	6.2	Intense
6	6.1	Intense
7	6.1	Intense
8	6.1	Intense
9	6.1	Intense
10	6.0	Intense
11	6.0	Intense
12	6.0	Bright
13	6.0	Bright
14	5.9	Bright
15	5.9	Bright
16	5.9	Bright
17	5.9	Bright
18	5.8	Bright
19	5.8	Bright
20	5.8	Bright
21	5.8	Bright
22	5.7	Bright
23	5.7	Bright
24	5.7	Bright
25	5.7	Bright
26	5.7	Bright
27	5.6	Bright
28	5.6	Bright
29	5.6	Bright
30	5.6	Bright
31	5.5	Bright

Planning a trip in May

Is May a good time to visit Uyuni?

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

5.5

Sightseeing

7th-best month of the year

0.1

Beach & pool

9th-best month of the year

May is a reasonable time to visit Uyuni for sightseeing.

What to pack for Uyuni in May

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

In May, Uyuni sees daytime highs around 14°C and nights near -2°C. Worth packing: a warm layer and sun protection.

a warm layersun protection

UV index in Uyuni in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Uyuni peaks around February 9 at about 19 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 9 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)	19	20	16	13	11	9	8	12	15	17	17	18
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	19	Extreme
Feb	20	Extreme
Mar	16	Extreme
Apr	13	Extreme
May	11	Extreme
Jun	9	Very high
Jul	8	Very high
Aug	12	Extreme
Sep	15	Extreme
Oct	17	Extreme
Nov	17	Extreme
Dec	18	Extreme

Location & terrain

Where is Uyuni?

Uyuni sits at 20.5°S, 66.8°W, 0 m above sea level, in Bolivia. The nearest listed city is Potosí, 148 km away.

Topography around Uyuni

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

Within 3 km, the terrain around Uyuni has only modest variations in elevation — a maximum elevation change of 29 m around an average of 3,668 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 906 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,212 m.

The land around Uyuni is covered by bare terrain (55%) and grassland (30%) within 3 km, bare terrain (66%) and grassland (33%) within 16 km, and bare terrain (66%) and grassland (34%) within 80 km.

3 km

29 m

bare terrain 55%

16 km

906 m

bare terrain 66%

80 km

2,212 m

bare terrain 66%

grasslandartificial surfacesbare terrain

← April Uyuni year-round climate June →Best places to visit in May

May weather nearby: Potosí 148 km · Tupiza 159 km · Villazón 221 km · Llallagua 228 km · Sucre 228 km · Huanuni 241 km · Tarija 248 km · Oruro 278 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 Uyuni (-20.4597°, -66.825°, elevation 0 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	16	0
2	16	0
3	16	0
4	15	0
5	15	0
6	15	0
7	15	-1
8	15	-1
9	15	-1
10	15	-1
11	14	-1
12	14	-1
13	14	-1
14	14	-2
15	14	-2
16	14	-2
17	14	-2
18	14	-2
19	13	-2
20	13	-2
21	13	-2
22	13	-2
23	13	-2
24	13	-2
25	13	-2
26	13	-2
27	13	-2
28	13	-2
29	13	-2
30	13	-2
31	13	-2

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

	Rain chance (%)
1	3
2	3
3	3
4	3
5	3
6	3
7	3
8	2
9	2
10	2
11	2
12	2
13	1
14	1
15	1
16	1
17	1
18	1
19	1
20	1
21	1
22	1
23	1
24	1
25	0
26	0
27	0
28	0
29	0
30	0
31	0

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	16	0
2	16	0
3	16	0
4	15	0
5	15	0
6	15	0
7	15	-1
8	15	-1
9	15	-1
10	15	-1
11	14	-1
12	14	-1
13	14	-1
14	14	-2
15	14	-2
16	14	-2
17	14	-2
18	14	-2
19	13	-2
20	13	-2
21	13	-2
22	13	-2
23	13	-2
24	13	-2
25	13	-2
26	13	-2
27	13	-2
28	13	-2
29	13	-2
30	13	-2
31	13	-2

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

	Rain chance (%)
1	3
2	3
3	3
4	3
5	3
6	3
7	3
8	2
9	2
10	2
11	2
12	2
13	1
14	1
15	1
16	1
17	1
18	1
19	1
20	1
21	1
22	1
23	1
24	1
25	0
26	0
27	0
28	0
29	0
30	0
31	0

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	16	0
2	16	0
3	16	0
4	15	0
5	15	0
6	15	0
7	15	-1
8	15	-1
9	15	-1
10	15	-1
11	14	-1
12	14	-1
13	14	-1
14	14	-2
15	14	-2
16	14	-2
17	14	-2
18	14	-2
19	13	-2
20	13	-2
21	13	-2
22	13	-2
23	13	-2
24	13	-2
25	13	-2
26	13	-2
27	13	-2
28	13	-2
29	13	-2
30	13	-2
31	13	-2

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

	Rain chance (%)
1	3
2	3
3	3
4	3
5	3
6	3
7	3
8	2
9	2
10	2
11	2
12	2
13	1
14	1
15	1
16	1
17	1
18	1
19	1
20	1
21	1
22	1
23	1
24	1
25	0
26	0
27	0
28	0
29	0
30	0
31	0

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100