Río Grande weather in August

In August, Río Grande sees average daytime highs of 5°C and overnight lows near 1°C, with 26 mm of precipitation across 6.4 wet days and about 9.4 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 5°C through the month. The sky is clear or mostly clear about 33% of the time in August, and the air most often feels dry.

Daylight stretches from about 8 h 24 min at the start of August to 10 h 24 min by month's end. Set against the rest of the year, August is Río Grande's 1st-clearest and 8th-windiest month. For the whole year in context, see Río Grande's year-round climate.

Daytime high: 5°; 10th warmest
Overnight low: 1°; 3rd coldest
Precipitation: 26 mm; 6.4 wet days
Daylight: 9 h 24 min; 8:54 AM – 6:16 PM
Cloud cover: 58%; 1st clearest
Wind: 25 km/h; 8th windiest
Solar energy: 1.62 kWh/m²
Travel score: 0.1; 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.

← July Río Grande year-round climate September →Best places to visit in August

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 5°C through the month.

A typical August day in Río Grande reaches about 5°C in the afternoon and slips back to 1°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 7°C. Set against its neighbours, August runs about 1°C warmer than July and about 1°C cooler than September.

	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)	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	6	6
Avg low (°C)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	2	2	2

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

How August really feels in Río Grande

Once humidity and wind are folded in, August 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 August is cold — wind chill drags the overnight "feels like" below the raw low.

Río Grande weather by month

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

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	13° / 8°	49	12.3	0	16.2	3.3
Feb	13° / 8°	38	9.1	0	14.6	3.5
Mar	12° / 7°	44	9.6	0	12.5	2.9
Apr	9° / 5°	39	9.2	0.1	10.3	2.0
May	7° / 3°	35	7.9	0.2	8.4	0.9
Jun	5° / 1°	29	6.6	1	7.3	0.0
Jul	4° / 1°	27	6.9	1.5	7.7	0.0
Aug	5° / 1°	26	6.4	1.1	9.4	0.1
Sep	6° / 2°	24	6.2	0.5	11.5	0.7
Oct	8° / 4°	22	6.3	0.3	13.8	1.6
Nov	10° / 6°	30	8.3	0	15.7	2.4
Dec	12° / 7°	42	10.3	0	16.7	2.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 50%.

	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 (%)	47	48	48	48	47	47	48	47	48	49	50	50	51	52	52	52	52	52	52	52	51	51	51	51	51	51	50	50	50	50	49
Cloudier (%)	53	52	52	52	53	53	52	53	52	51	50	50	49	48	48	48	48	48	48	48	49	49	49	49	49	49	50	50	50	50	51

	Clearer (%)	Cloudier (%)
1	47	53
2	48	52
3	48	52
4	48	52
5	47	53
6	47	53
7	48	52
8	47	53
9	48	52
10	49	51
11	50	50
12	50	50
13	51	49
14	52	48
15	52	48
16	52	48
17	52	48
18	52	48
19	52	48
20	52	48
21	51	49
22	51	49
23	51	49
24	51	49
25	51	49
26	51	49
27	50	50
28	50	50
29	50	50
30	50	50
31	49	51

Chance of precipitation in August

Any precipitationSnow

Río Grande gets around 26 mm of rain and snow over 6.4 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 20% and peaks near 22% on the wettest days, and about 1 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 (%)	21	21	21	22	22	22	22	22	22	22	22	21	21	21	21	21	20	20	20	20	19	19	19	19	19	19	19	19	19	19	19
Snow chance (%)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3	3	3	3	3	2	2	2	2	2	2	2

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

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August 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 August

Winds average 25 km/h in August.

Across August, daily wind ranges from about 25 km/h on the calmest days to 26 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)	25	25	25	25	25	25	25	25	25	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	25	25	25	25	25
Feels	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy

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

Sunrise & sunset in August

DaylightNight

Daylight runs from about 8 h 24 min at the start of August to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 120 minutes over August. Sunrise moves from 9:24 AM to 8:18 AM, and sunset from 5:50 PM to 6:43 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)	8.4	8.5	8.6	8.6	8.7	8.7	8.8	8.9	8.9	9.0	9.0	9.1	9.2	9.2	9.3	9.4	9.4	9.5	9.6	9.6	9.7	9.8	9.9	9.9	10.0	10.1	10.1	10.2	10.3	10.3	10.4
Sunrise (AM)	9:24	9:22	9:20	9:18	9:16	9:15	9:13	9:11	9:09	9:07	9:04	9:02	9:00	8:58	8:56	8:54	8:51	8:49	8:47	8:45	8:42	8:40	8:38	8:35	8:33	8:31	8:28	8:26	8:23	8:21	8:18
Sunset (PM)	5:50	5:52	5:53	5:55	5:57	5:58	6:00	6:02	6:04	6:05	6:07	6:09	6:11	6:13	6:14	6:16	6:18	6:20	6:22	6:23	6:25	6:27	6:29	6:31	6:32	6:34	6:36	6:38	6:40	6:42	6:43

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	8.4	9:24	5:50
2	8.5	9:22	5:52
3	8.6	9:20	5:53
4	8.6	9:18	5:55
5	8.7	9:16	5:57
6	8.7	9:15	5:58
7	8.8	9:13	6:00
8	8.9	9:11	6:02
9	8.9	9:09	6:04
10	9.0	9:07	6:05
11	9.0	9:04	6:07
12	9.1	9:02	6:09
13	9.2	9:00	6:11
14	9.2	8:58	6:13
15	9.3	8:56	6:14
16	9.4	8:54	6:16
17	9.4	8:51	6:18
18	9.5	8:49	6:20
19	9.6	8:47	6:22
20	9.6	8:45	6:23
21	9.7	8:42	6:25
22	9.8	8:40	6:27
23	9.9	8:38	6:29
24	9.9	8:35	6:31
25	10.0	8:33	6:32
26	10.1	8:31	6:34
27	10.1	8:28	6:36
28	10.2	8:26	6:38
29	10.3	8:23	6:40
30	10.3	8:21	6:42
31	10.4	8:18	6:43

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 1.62 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 — August's 1.62 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)	1.1	1.1	1.2	1.2	1.2	1.3	1.3	1.3	1.4	1.4	1.4	1.5	1.5	1.6	1.6	1.6	1.7	1.7	1.7	1.8	1.8	1.8	1.9	1.9	2.0	2.0	2.0	2.1	2.1	2.2	2.2
Level	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	1.1	Dim
2	1.1	Dim
3	1.2	Dim
4	1.2	Dim
5	1.2	Dim
6	1.3	Dim
7	1.3	Dim
8	1.3	Dim
9	1.4	Dim
10	1.4	Dim
11	1.4	Dim
12	1.5	Dim
13	1.5	Dim
14	1.6	Dim
15	1.6	Dim
16	1.6	Dim
17	1.7	Dim
18	1.7	Dim
19	1.7	Dim
20	1.8	Dim
21	1.8	Dim
22	1.8	Dim
23	1.9	Dim
24	1.9	Dim
25	2.0	Dim
26	2.0	Moderate
27	2.0	Moderate
28	2.1	Moderate
29	2.1	Moderate
30	2.2	Moderate
31	2.2	Moderate

Planning a trip in August

Is August a good time to visit Río Grande?

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

0.1

Sightseeing

10th-best month of the year

—

Beach & pool

never really warm enough

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

What to pack for Río Grande in August

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

In August, Río Grande sees daytime highs around 5°C and nights near 1°C. Pack a warm layer. Worth having: a heavy coat and a windbreaker. About 6 days see rain.

a warm layera heavy coata windbreaker

Sea temperature near Río Grande in August

The nearest coast averages about 4°C in August — 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	10	11	10	9	8	6	5	4	4	5	7	9
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	10	Bracing
Feb	11	Bracing
Mar	10	Bracing
Apr	9	Bracing
May	8	Bracing
Jun	6	Bracing
Jul	5	Bracing
Aug	4	Bracing
Sep	4	Bracing
Oct	5	Bracing
Nov	7	Bracing
Dec	9	Bracing

UV index in Río Grande in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 1. 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	8	7	4	2	1	0	1	1	2	4	6	8
Level	Very high	Very high	Moderate	Low	Low	Low	Low	Low	Moderate	Moderate	High	Very high

	UV index (midday)	Level
Jan	8	Very high
Feb	7	Very high
Mar	4	Moderate
Apr	2	Low
May	1	Low
Jun	0	Low
Jul	1	Low
Aug	1	Low
Sep	2	Moderate
Oct	4	Moderate
Nov	6	High
Dec	8	Very 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.

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

water 37%

16 km

102 m

grassland 48%

80 km

953 m

grassland 51%

treesgrasslandcroplandartificial surfacesbare terrainwaterwetland

← July Río Grande year-round climate September →Best places to visit in August

August 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

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).

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

	Clearer (%)	Cloudier (%)
1	47	53
2	48	52
3	48	52
4	48	52
5	47	53
6	47	53
7	48	52
8	47	53
9	48	52
10	49	51
11	50	50
12	50	50
13	51	49
14	52	48
15	52	48
16	52	48
17	52	48
18	52	48
19	52	48
20	52	48
21	51	49
22	51	49
23	51	49
24	51	49
25	51	49
26	51	49
27	50	50
28	50	50
29	50	50
30	50	50
31	49	51

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

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

	Clearer (%)	Cloudier (%)
1	47	53
2	48	52
3	48	52
4	48	52
5	47	53
6	47	53
7	48	52
8	47	53
9	48	52
10	49	51
11	50	50
12	50	50
13	51	49
14	52	48
15	52	48
16	52	48
17	52	48
18	52	48
19	52	48
20	52	48
21	51	49
22	51	49
23	51	49
24	51	49
25	51	49
26	51	49
27	50	50
28	50	50
29	50	50
30	50	50
31	49	51

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

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

	Clearer (%)	Cloudier (%)
1	47	53
2	48	52
3	48	52
4	48	52
5	47	53
6	47	53
7	48	52
8	47	53
9	48	52
10	49	51
11	50	50
12	50	50
13	51	49
14	52	48
15	52	48
16	52	48
17	52	48
18	52	48
19	52	48
20	52	48
21	51	49
22	51	49
23	51	49
24	51	49
25	51	49
26	51	49
27	50	50
28	50	50
29	50	50
30	50	50
31	49	51

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

	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