Río Grande weather in March

In March, Río Grande sees average daytime highs of 12°C and overnight lows near 7°C, with 44 mm of rain across 9.6 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 12°C in the first days to 11°C by the end. The sky is clear or mostly clear about 21% of the time in March, and the air most often feels dry.

Daylight stretches from about 13 h 36 min at the start of March to 11 h 24 min by month's end. Set against the rest of the year, March is Río Grande's 7th-clearest and 5th-windiest month. For the whole year in context, see Río Grande's year-round climate.

Daytime high
12°
4th warmest
Overnight low
10th coldest
Rainfall
44 mm
9.6 wet days
Daylight
12 h 30 min
7:25 AM – 7:56 PM
Cloud cover
65%
7th clearest
Wind
28 km/h
5th windiest
Solar energy
3.34 kWh/m²
Travel score
2.9
out of 10

Río Grande is city in Tierra del Fuego, Argentina.

Density
4/km²
people per km²
Founded
1921

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 12°C in the first days to 11°C by the end.

A typical March day in Río Grande reaches about 12°C in the afternoon and slips back to 7°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 14°C. Set against its neighbours, March runs about 1°C cooler than February and about 2°C warmer than April.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1138
2128
3128
4128
5128
6128
7128
8128
9128
10128
11127
12127
13127
14127
15127
16117
17117
18117
19117
20117
21117
22117
23117
24117
25117
26117
27117
28117
29117
30116
31116

How March really feels in Río Grande

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
0
heat index over the day's high
Days feeling ≤ C
0
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.

Río Grande weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan13° / 4912.3016.23.3
Feb13° / 389.1014.63.5
Mar12° / 449.6012.52.9
Apr / 399.20.110.32.0
May / 357.90.28.40.9
Jun / 296.617.30.0
Jul / 276.91.57.70.0
Aug / 266.41.19.40.1
Sep / 246.20.511.50.7
Oct / 226.30.313.81.6
Nov10° / 308.3015.72.4
Dec12° / 4210.3016.72.9

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 20% of March, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23862
33862
43961
53961
63961
73961
83862
93961
103961
113961
123961
134060
144060
154060
164060
174159
184159
194159
204258
214258
224357
234357
244456
254456
264456
274357
284357
294357
304258
314357

Chance of precipitation in March

Any precipitation

Río Grande gets around 44 mm of rain over 9.6 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 32% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
133
233
333
433
533
633
732
832
932
1032
1132
1232
1332
1432
1532
1632
1732
1832
1932
2032
2132
2232
2331
2431
2531
2631
2731
2831
2931
3031
3131

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.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in March

Winds average 28 km/h in March.

Across March, daily wind ranges from about 28 km/h on the calmest days to 28 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
128breezy
228breezy
328breezy
428breezy
528breezy
628breezy
728breezy
828breezy
928breezy
1028breezy
1128breezy
1228breezy
1328breezy
1428breezy
1528breezy
1628breezy
1728breezy
1828breezy
1928breezy
2028breezy
2128breezy
2228breezy
2328breezy
2428breezy
2528breezy
2628breezy
2728breezy
2828breezy
2928breezy
3028breezy
3128breezy

Sunrise & sunset in March

DaylightNight

Daylight runs from about 13 h 36 min at the start of March to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 132 minutes over March. Sunrise moves from 6:55 AM to 7:53 AM, and sunset from 8:33 PM to 7:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.66:558:33
213.56:578:30
313.56:598:28
413.47:018:26
513.37:038:23
613.37:058:21
713.27:078:19
813.17:098:16
913.07:118:14
1013.07:138:11
1112.97:158:09
1212.87:178:06
1312.87:198:04
1412.77:218:01
1512.67:237:59
1612.57:257:56
1712.57:267:54
1812.47:287:51
1912.37:307:49
2012.27:327:46
2112.27:347:44
2212.17:367:41
2312.07:387:39
2411.97:407:36
2511.97:427:34
2611.87:437:31
2711.77:457:29
2811.77:477:26
2911.67:497:24
3011.57:517:21
3111.47:537:19

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 3.34 kWh/m².

For context, solar energy here swings from a low near 0.63 kWh/m² to a high of 6.66 kWh/m² in December across the year — March's 3.34 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.0Bright
44.0Moderate
53.9Moderate
63.9Moderate
73.8Moderate
83.8Moderate
93.7Moderate
103.6Moderate
113.6Moderate
123.5Moderate
133.5Moderate
143.4Moderate
153.4Moderate
163.3Moderate
173.3Moderate
183.2Moderate
193.1Moderate
203.1Moderate
213.0Moderate
223.0Moderate
233.0Moderate
242.9Moderate
252.9Moderate
262.8Moderate
272.8Moderate
282.7Moderate
292.7Moderate
302.6Moderate
312.6Moderate
Planning a trip in March

Is March a good time to visit Río Grande?

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

2.9
Sightseeing
3rd-best month of the year
Beach & pool
never really warm enough

March is a weaker month for outdoor sightseeing in Río Grande.

What to pack for Río Grande in March

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

In March, Río Grande sees daytime highs around 12°C and nights near 7°C. Pack a warm layer and a windbreaker. Worth having: rain gear. About 10 days see rain.

a warm layera windbreakerrain gear

Sea temperature near Río Grande in March

The nearest coast averages about 10°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 19 km away) is warmest in February at about 11°C and coldest in August near 4°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

5°10°JanFebMarAprMayJunJulAugSepOctNovDecbracing
Sea temperature (°C)Comfort
Jan10Bracing
Feb11Bracing
Mar10Bracing
Apr9Bracing
May8Bracing
Jun6Bracing
Jul5Bracing
Aug4Bracing
Sep4Bracing
Oct5Bracing
Nov7Bracing
Dec9Bracing

UV index in Río Grande in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Río Grande peaks around January 13 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highModerateLowModerateHighVery highJan 13UV 8Jun 18UV 0
UV index (midday)Level
Jan8Very high
Feb7Very high
Mar4Moderate
Apr2Low
May1Low
Jun0Low
Jul1Low
Aug1Low
Sep2Moderate
Oct4Moderate
Nov6High
Dec8Very high
Location & terrain

Where is Río Grande?

Río Grande sits at 53.8°S, 67.7°W, 9 m above sea level, in Argentina. The nearest listed city is Ushuaia, 120 km away.

Punta ArenasRío GallegosPuerto NatalesEl CalafateEl ChaltenPuerto DeseadoStanley

Topography around Río Grande

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

Within 3 km, the terrain around Río Grande has only modest variations in elevation — a maximum elevation change of 20 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 102 m; within 80 km, large variations in elevation — a maximum elevation change of 953 m.

The land around Río Grande is covered by water (37%), artificial surfaces (29%) and grassland (26%) within 3 km, grassland (48%) and water (48%) within 16 km, and grassland (51%) and water (30%) within 80 km.

3 km
20 m
16 km
102 m
80 km
953 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
March weather nearby: Ushuaia 120 km · Punta Arenas 223 km · Río Gallegos 262 km · Puerto Natales 395 km · El Calafate 494 km · El Chalten 611 km · Puerto Deseado 683 km · Stanley 702 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
Roman Catholic 63%none 19%Evangelical 15%Jehovah's Witness and Church of Jesus Christ 1%

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 Río Grande (-53.7877°, -67.7097°, elevation 9 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).