Las Heras weather in March

In March, Las Heras sees average daytime highs of 21°C and overnight lows near 10°C, with 17 mm of rain across 3.1 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 19°C by the end. The sky is clear or mostly clear about 46% of the time in March, and the air most often feels dry.

Daylight stretches from about 13 h 12 min at the start of March to 11 h 36 min by month's end. Set against the rest of the year, March is Las Heras's 4th-clearest and 6th-windiest month. For the whole year in context, see Las Heras's year-round climate.

Daytime high: 21°; 4th warmest
Overnight low: 10°; 9th coldest
Rainfall: 17 mm; 3.1 wet days
Daylight: 12 h 24 min; 7:33 AM – 7:58 PM
Cloud cover: 46%; 4th clearest
Wind: 21 km/h; 6th windiest
Solar energy: 4.73 kWh/m²
Travel score: 7.7; out of 10

Las Heras is city in Santa Cruz, Argentina.

Density: 194/km²; people per km²
Founded: 1914

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

← February Las Heras year-round climate April →Best places to visit in March

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 19°C by the end.

A typical March day in Las Heras reaches about 21°C in the afternoon and slips back to 10°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 26°C. Set against its neighbours, March runs about 3°C cooler than February and about 5°C warmer than April.

	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)	23	23	23	23	23	23	22	22	22	22	22	22	21	21	21	21	21	21	20	20	20	20	20	20	20	20	19	19	19	19	19
Avg low (°C)	11	11	11	11	11	11	11	11	11	10	10	10	10	10	10	10	10	10	9	9	9	9	9	9	9	9	9	8	8	8	8

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

How March really feels in Las Heras

Once humidity and wind are folded in, March 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

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

Las Heras weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	25° / 12°	8	2.5	0	15.2	8.3
Feb	24° / 12°	14	2.6	0	14	8.3
Mar	21° / 10°	17	3.1	0	12.4	7.7
Apr	16° / 6°	17	3.9	0.1	10.7	6.1
May	11° / 3°	24	4.8	1	9.2	3.4
Jun	7° / 0°	27	5.8	2.5	8.4	1.2
Jul	7° / -0°	18	4.5	2.3	8.8	1.2
Aug	10° / 1°	20	5.1	1.6	10	2.7
Sep	14° / 4°	19	4.7	0.8	11.6	4.6
Oct	18° / 6°	15	3.8	0.3	13.3	6.7
Nov	21° / 9°	16	2.9	0	14.8	7.6
Dec	23° / 11°	13	3.2	0	15.6	8.1

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 19% of March, with mostly cloudy or overcast conditions the remaining 35%.

	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 (%)	69	69	69	70	70	69	69	68	67	67	66	65	65	63	63	62	62	62	62	62	62	62	62	64	64	65	65	66	66	67	67
Cloudier (%)	31	31	31	30	30	31	31	32	33	33	34	35	35	37	37	38	38	38	38	38	38	38	38	36	36	35	35	34	34	33	33

	Clearer (%)	Cloudier (%)
1	69	31
2	69	31
3	69	31
4	70	30
5	70	30
6	69	31
7	69	31
8	68	32
9	67	33
10	67	33
11	66	34
12	65	35
13	65	35
14	63	37
15	63	37
16	62	38
17	62	38
18	62	38
19	62	38
20	62	38
21	62	38
22	62	38
23	62	38
24	64	36
25	64	36
26	65	35
27	65	35
28	66	34
29	66	34
30	67	33
31	67	33

Chance of precipitation in March

Any precipitation

Las Heras gets around 17 mm of rain over 3.1 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 11% and peaks near 12% 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 (%)	9	9	9	9	9	9	10	10	10	10	11	11	11	11	12	12	12	12	12	12	12	11	11	11	11	11	11	11	11	11	11

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

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March 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 March

Winds average 21 km/h in March.

Across March, daily wind ranges from about 20 km/h on the calmest days to 22 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)	22	22	22	22	22	22	21	21	21	21	21	21	21	21	21	21	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20
Feels	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

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

Sunrise & sunset in March

DaylightNight

Daylight runs from about 13 h 12 min at the start of March to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 96 minutes over March. Sunrise moves from 7:12 AM to 7:54 AM, and sunset from 8:26 PM to 7:28 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	13.1	13.1	13.0	13.0	12.9	12.9	12.8	12.7	12.7	12.6	12.6	12.5	12.5	12.4	12.4	12.3	12.2	12.2	12.1	12.1	12.0	12.0	11.9	11.8	11.8	11.7	11.7	11.6	11.6
Sunrise (AM)	7:12	7:13	7:14	7:16	7:17	7:19	7:20	7:22	7:23	7:25	7:26	7:27	7:29	7:30	7:32	7:33	7:34	7:36	7:37	7:39	7:40	7:41	7:43	7:44	7:46	7:47	7:48	7:50	7:51	7:53	7:54
Sunset (PM)	8:26	8:25	8:23	8:21	8:19	8:17	8:15	8:13	8:11	8:09	8:08	8:06	8:04	8:02	8:00	7:58	7:56	7:54	7:52	7:50	7:48	7:46	7:44	7:42	7:40	7:38	7:36	7:34	7:32	7:30	7:28

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	13.2	7:12	8:26
2	13.2	7:13	8:25
3	13.1	7:14	8:23
4	13.1	7:16	8:21
5	13.0	7:17	8:19
6	13.0	7:19	8:17
7	12.9	7:20	8:15
8	12.9	7:22	8:13
9	12.8	7:23	8:11
10	12.7	7:25	8:09
11	12.7	7:26	8:08
12	12.6	7:27	8:06
13	12.6	7:29	8:04
14	12.5	7:30	8:02
15	12.5	7:32	8:00
16	12.4	7:33	7:58
17	12.4	7:34	7:56
18	12.3	7:36	7:54
19	12.2	7:37	7:52
20	12.2	7:39	7:50
21	12.1	7:40	7:48
22	12.1	7:41	7:46
23	12.0	7:43	7:44
24	12.0	7:44	7:42
25	11.9	7:46	7:40
26	11.8	7:47	7:38
27	11.8	7:48	7:36
28	11.7	7:50	7:34
29	11.7	7:51	7:32
30	11.6	7:53	7:30
31	11.6	7:54	7:28

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.73 kWh/m².

For context, solar energy here swings from a low near 1.36 kWh/m² to a high of 8.04 kWh/m² in December across the year — March's 4.73 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)	5.7	5.6	5.5	5.5	5.4	5.4	5.3	5.2	5.2	5.1	5.0	5.0	4.9	4.8	4.8	4.7	4.6	4.6	4.5	4.5	4.4	4.3	4.3	4.2	4.2	4.1	4.1	4.0	4.0	3.9	3.9
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	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	5.7	Bright
2	5.6	Bright
3	5.5	Bright
4	5.5	Bright
5	5.4	Bright
6	5.4	Bright
7	5.3	Bright
8	5.2	Bright
9	5.2	Bright
10	5.1	Bright
11	5.0	Bright
12	5.0	Bright
13	4.9	Bright
14	4.8	Bright
15	4.8	Bright
16	4.7	Bright
17	4.6	Bright
18	4.6	Bright
19	4.5	Bright
20	4.5	Bright
21	4.4	Bright
22	4.3	Bright
23	4.3	Bright
24	4.2	Bright
25	4.2	Bright
26	4.1	Bright
27	4.1	Bright
28	4.0	Bright
29	4.0	Moderate
30	3.9	Moderate
31	3.9	Moderate

Planning a trip in March

Is March a good time to visit Las Heras?

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

7.7

Sightseeing

4th-best month of the year

4.7

Beach & pool

4th-best month of the year

March is one of the better times to visit Las Heras for general sightseeing.

What to pack for Las Heras in March

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

In March, Las Heras sees daytime highs around 21°C and nights near 10°C. Worth packing: sun protection and a windbreaker. About 3 days see rain.

sun protectiona windbreaker

UV index in Las Heras in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Las Heras peaks around December 24 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	11	10	6	3	2	1	1	2	3	6	8	11
Level	Extreme	Very high	High	Moderate	Low	Low	Low	Low	Moderate	High	Very high	Extreme

	UV index (midday)	Level
Jan	11	Extreme
Feb	10	Very high
Mar	6	High
Apr	3	Moderate
May	2	Low
Jun	1	Low
Jul	1	Low
Aug	2	Low
Sep	3	Moderate
Oct	6	High
Nov	8	Very high
Dec	11	Extreme

Location & terrain

Where is Las Heras?

Las Heras sits at 46.5°S, 68.9°W, 324 m above sea level, in Argentina. The nearest listed city is Pico Truncado, 80 km away.

Topography around Las Heras

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

Within 3 km, the terrain around Las Heras has only modest variations in elevation — a maximum elevation change of 38 m around an average of 334 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 462 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,258 m.

The land around Las Heras is covered by grassland (44%), bare terrain (30%) and artificial surfaces (21%) within 3 km, grassland (65%) and bare terrain (30%) within 16 km, and grassland (69%) and bare terrain (23%) within 80 km.

3 km

38 m

grassland 44%

16 km

462 m

grassland 65%

80 km

1,258 m

grassland 69%

shrubsgrasslandartificial surfacesbare terrainwater

← February Las Heras year-round climate April →Best places to visit in March

March weather nearby: Pico Truncado 80 km · Caleta Olivia 108 km · Comodoro Rivadavia 134 km · Coyhaique 265 km · Puerto Deseado 266 km · Puerto Aysén 317 km · El Chalten 428 km · Esquel 445 km

Argentina travel facts

Travel advisory: Level 1; Exercise Normal Precautions
Power plugs: Type C / I; 220 V · 50 Hz
Prices: ≈ 46% of US; price level, 2025
GDP per capita: $14,898; 2025
Happiness: 6.4 / 10; World Happiness, 2025
Homicide rate: 4.5; per 100k, 2023
Road deaths: 14.1; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: High; EF EPI 575
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 Las Heras (-46.5413°, -68.9323°, elevation 324 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	23	11
2	23	11
3	23	11
4	23	11
5	23	11
6	23	11
7	22	11
8	22	11
9	22	11
10	22	10
11	22	10
12	22	10
13	21	10
14	21	10
15	21	10
16	21	10
17	21	10
18	21	10
19	20	9
20	20	9
21	20	9
22	20	9
23	20	9
24	20	9
25	20	9
26	20	9
27	19	9
28	19	8
29	19	8
30	19	8
31	19	8

	Clearer (%)	Cloudier (%)
1	69	31
2	69	31
3	69	31
4	70	30
5	70	30
6	69	31
7	69	31
8	68	32
9	67	33
10	67	33
11	66	34
12	65	35
13	65	35
14	63	37
15	63	37
16	62	38
17	62	38
18	62	38
19	62	38
20	62	38
21	62	38
22	62	38
23	62	38
24	64	36
25	64	36
26	65	35
27	65	35
28	66	34
29	66	34
30	67	33
31	67	33

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

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

	Clearer (%)	Cloudier (%)
1	69	31
2	69	31
3	69	31
4	70	30
5	70	30
6	69	31
7	69	31
8	68	32
9	67	33
10	67	33
11	66	34
12	65	35
13	65	35
14	63	37
15	63	37
16	62	38
17	62	38
18	62	38
19	62	38
20	62	38
21	62	38
22	62	38
23	62	38
24	64	36
25	64	36
26	65	35
27	65	35
28	66	34
29	66	34
30	67	33
31	67	33

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

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

	Clearer (%)	Cloudier (%)
1	69	31
2	69	31
3	69	31
4	70	30
5	70	30
6	69	31
7	69	31
8	68	32
9	67	33
10	67	33
11	66	34
12	65	35
13	65	35
14	63	37
15	63	37
16	62	38
17	62	38
18	62	38
19	62	38
20	62	38
21	62	38
22	62	38
23	62	38
24	64	36
25	64	36
26	65	35
27	65	35
28	66	34
29	66	34
30	67	33
31	67	33

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

	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