Grytviken weather in August

In August, Grytviken sees average daytime highs of -2°C and overnight lows near -5°C, with 121 mm of precipitation across 18.9 wet days and about 9.3 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near -2°C through the month. The sky is clear or mostly clear about 3% 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 Grytviken's 11th-clearest and 1st-windiest month. For the whole year in context, see Grytviken's year-round climate.

Daytime high: -2°; 11th warmest
Overnight low: -5°; 2nd coldest
Precipitation: 121 mm; 18.9 wet days
Daylight: 9 h 18 min; 7:50 AM – 5:10 PM
Cloud cover: 84%; 11th clearest
Wind: 21 km/h; 1st windiest
Solar energy: 1.48 kWh/m²
Travel score: 0.0; out of 10

Grytviken is abandoned whaling station; settlement on the island of South Georgia–South Sandwich Islands.

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

← July Grytviken 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 -2°C through the month.

A typical August day in Grytviken reaches about -2°C in the afternoon and slips back to -5°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between -5°C and 1°C. Set against its neighbours, August runs on par with July and on par with 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)	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2
Avg low (°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	-5	-5

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

How August really feels in Grytviken

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

31 feel bitter (≤ -10°C)

The story in August is cold — wind chill drags the overnight "feels like" below the raw low.

Grytviken weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)
Jan	3° / 0°	120	19.5	13.5	16.3
Feb	3° / 1°	115	18.1	11.3	14.7
Mar	3° / 0°	139	20.3	13.1	12.5
Apr	1° / -1°	131	19.2	16.3	10.3
May	-0° / -3°	119	19.2	18.7	8.3
Jun	-2° / -5°	115	17.8	19.4	7.2
Jul	-2° / -5°	118	18.4	20.8	7.6
Aug	-2° / -5°	121	18.9	21.1	9.3
Sep	-1° / -4°	113	17.2	19.3	11.5
Oct	-0° / -3°	109	18.5	18.3	13.8
Nov	1° / -2°	106	17.5	16.2	15.8
Dec	2° / -1°	108	19	16	16.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 9% of August, with mostly cloudy or overcast conditions the remaining 88%.

	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 (%)	11	11	11	11	11	11	12	12	12	12	13	13	13	13	13	13	13	13	13	13	13	13	13	13	12	12	12	12	12	11	11
Cloudier (%)	89	89	89	89	89	89	88	88	88	88	87	87	87	87	87	87	87	87	87	87	87	87	87	87	88	88	88	88	88	89	89

	Clearer (%)	Cloudier (%)
1	11	89
2	11	89
3	11	89
4	11	89
5	11	89
6	11	89
7	12	88
8	12	88
9	12	88
10	12	88
11	13	87
12	13	87
13	13	87
14	13	87
15	13	87
16	13	87
17	13	87
18	13	87
19	13	87
20	13	87
21	13	87
22	13	87
23	13	87
24	13	87
25	12	88
26	12	88
27	12	88
28	12	88
29	12	88
30	11	89
31	11	89

Chance of precipitation in August

Any precipitationSnow

Grytviken gets around 121 mm of rain and snow over 18.9 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 61% and peaks near 62% on the wettest days, and about 21 days bring 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 (%)	62	61	61	60	60	60	59	59	59	59	59	60	60	61	61	62	62	62	62	62	62	62	62	62	62	61	60	60	59	59	58
Snow chance (%)	70	69	69	69	68	68	68	67	67	67	67	67	68	68	69	69	69	69	69	69	69	68	68	68	67	67	66	66	65	64	64

	Rain chance (%)	Snow chance (%)
1	62	70
2	61	69
3	61	69
4	60	69
5	60	68
6	60	68
7	59	68
8	59	67
9	59	67
10	59	67
11	59	67
12	60	67
13	60	68
14	61	68
15	61	69
16	62	69
17	62	69
18	62	69
19	62	69
20	62	69
21	62	69
22	62	68
23	62	68
24	62	68
25	62	67
26	61	67
27	60	66
28	60	66
29	59	65
30	59	64
31	58	64

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 21 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 20 km/h on the calmest days to 21 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)	20	20	20	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	20
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	20	breezy
2	20	breezy
3	20	breezy
4	20	breezy
5	20	breezy
6	20	breezy
7	20	breezy
8	20	breezy
9	20	breezy
10	20	breezy
11	21	breezy
12	21	breezy
13	21	breezy
14	21	breezy
15	21	breezy
16	21	breezy
17	21	breezy
18	21	breezy
19	21	breezy
20	21	breezy
21	21	breezy
22	21	breezy
23	21	breezy
24	21	breezy
25	21	breezy
26	21	breezy
27	21	breezy
28	21	breezy
29	21	breezy
30	21	breezy
31	20	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 8:21 AM to 7:14 AM, and sunset from 4:43 PM to 5:38 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	8.4	8.5	8.5	8.6	8.7	8.7	8.8	8.9	8.9	9.0	9.1	9.1	9.2	9.3	9.3	9.4	9.5	9.5	9.6	9.7	9.7	9.8	9.9	10.0	10.0	10.1	10.2	10.2	10.3	10.4
Sunrise (AM)	8:21	8:19	8:17	8:16	8:14	8:12	8:10	8:08	8:06	8:03	8:01	7:59	7:57	7:55	7:53	7:50	7:48	7:46	7:44	7:41	7:39	7:37	7:34	7:32	7:29	7:27	7:24	7:22	7:19	7:17	7:14
Sunset (PM)	4:43	4:45	4:47	4:48	4:50	4:52	4:54	4:55	4:57	4:59	5:01	5:03	5:04	5:06	5:08	5:10	5:12	5:14	5:15	5:17	5:19	5:21	5:23	5:25	5:27	5:28	5:30	5:32	5:34	5:36	5:38

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	8.4	8:21	4:43
2	8.4	8:19	4:45
3	8.5	8:17	4:47
4	8.5	8:16	4:48
5	8.6	8:14	4:50
6	8.7	8:12	4:52
7	8.7	8:10	4:54
8	8.8	8:08	4:55
9	8.9	8:06	4:57
10	8.9	8:03	4:59
11	9.0	8:01	5:01
12	9.1	7:59	5:03
13	9.1	7:57	5:04
14	9.2	7:55	5:06
15	9.3	7:53	5:08
16	9.3	7:50	5:10
17	9.4	7:48	5:12
18	9.5	7:46	5:14
19	9.5	7:44	5:15
20	9.6	7:41	5:17
21	9.7	7:39	5:19
22	9.7	7:37	5:21
23	9.8	7:34	5:23
24	9.9	7:32	5:25
25	10.0	7:29	5:27
26	10.0	7:27	5:28
27	10.1	7:24	5:30
28	10.2	7:22	5:32
29	10.2	7:19	5:34
30	10.3	7:17	5:36
31	10.4	7:14	5:38

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 1.48 kWh/m².

For context, solar energy here swings from a low near 0.56 kWh/m² to a high of 6.67 kWh/m² in December across the year — August's 1.48 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)	1.0	1.0	1.1	1.1	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	1.5	1.6	1.6	1.7	1.7	1.8	1.8	1.8	1.9	1.9	2.0	2.0	2.0	2.1
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	Dim	Dim	Dim	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	1.0	Dim
2	1.0	Dim
3	1.1	Dim
4	1.1	Dim
5	1.1	Dim
6	1.1	Dim
7	1.2	Dim
8	1.2	Dim
9	1.2	Dim
10	1.3	Dim
11	1.3	Dim
12	1.3	Dim
13	1.4	Dim
14	1.4	Dim
15	1.4	Dim
16	1.5	Dim
17	1.5	Dim
18	1.5	Dim
19	1.6	Dim
20	1.6	Dim
21	1.7	Dim
22	1.7	Dim
23	1.8	Dim
24	1.8	Dim
25	1.8	Dim
26	1.9	Dim
27	1.9	Dim
28	2.0	Dim
29	2.0	Moderate
30	2.0	Moderate
31	2.1	Moderate

Planning a trip in August

Is August a good time to visit Grytviken?

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

0.0

Sightseeing

1st-best month of the year

—

Beach & pool

never really warm enough

August is a weaker month for outdoor sightseeing in Grytviken.

What to pack for Grytviken in August

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

In August, Grytviken sees daytime highs around -2°C and nights near -5°C. Pack a warm layer, a heavy coat and rain gear. Worth having: a windbreaker. About 19 days see rain.

a warm layera heavy coatrain geara windbreaker

Sea temperature near Grytviken in August

The nearest coast averages about 0°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 4°C and coldest in August near 0°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)	3	4	4	3	2	1	1	0	0	1	2	3
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	3	Bracing
Feb	4	Bracing
Mar	4	Bracing
Apr	3	Bracing
May	2	Bracing
Jun	1	Bracing
Jul	1	Bracing
Aug	0	Bracing
Sep	0	Bracing
Oct	1	Bracing
Nov	2	Bracing
Dec	3	Bracing

UV index in Grytviken 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 Grytviken peaks around December 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 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	3	7	8	10
Level	Very high	Very high	Moderate	Moderate	Low	Low	Low	Low	Moderate	Very high	Very high	Very high

	UV index (midday)	Level
Jan	8	Very high
Feb	7	Very high
Mar	4	Moderate
Apr	2	Moderate
May	1	Low
Jun	0	Low
Jul	1	Low
Aug	1	Low
Sep	3	Moderate
Oct	7	Very high
Nov	8	Very high
Dec	10	Very high

Location & terrain

Where is Grytviken?

Grytviken sits at 54.3°S, 36.5°W, 4 m above sea level, in South Georgia and the South Sandwich Islands. The nearest listed city is Stanley, 1,452 km away.

Topography around Grytviken

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

Within 3 km, the terrain around Grytviken has significant variations in elevation — a maximum elevation change of 589 m around an average of 172 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,359 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,915 m.

The land around Grytviken is covered by bare terrain (59%) and water (24%) within 3 km, water (46%), snow and ice (24%) and bare terrain (22%) within 16 km, and water (76%) within 80 km.

3 km

589 m

bare terrain 59%

16 km

2,359 m

water 46%

80 km

2,915 m

water 76%

grasslandbare terrainsnow and icewaterwetlandmoss and lichen

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

August weather nearby: Stanley 1,452 km · Río Grande 2,022 km · Ushuaia 2,035 km · Puerto Deseado 2,161 km · Río Gallegos 2,193 km · Punta Arenas 2,244 km · Caleta Olivia 2,342 km · Pico Truncado 2,349 km

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Grytviken (-54.2811°, -36.5092°, elevation 4 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	-2	-5
2	-2	-5
3	-2	-5
4	-2	-5
5	-2	-5
6	-2	-5
7	-2	-5
8	-2	-5
9	-2	-5
10	-2	-5
11	-2	-5
12	-2	-5
13	-2	-5
14	-2	-5
15	-2	-5
16	-2	-5
17	-2	-5
18	-2	-5
19	-2	-5
20	-2	-5
21	-2	-5
22	-2	-5
23	-2	-5
24	-2	-5
25	-2	-5
26	-2	-5
27	-2	-5
28	-2	-5
29	-2	-5
30	-2	-5
31	-2	-5

	Clearer (%)	Cloudier (%)
1	11	89
2	11	89
3	11	89
4	11	89
5	11	89
6	11	89
7	12	88
8	12	88
9	12	88
10	12	88
11	13	87
12	13	87
13	13	87
14	13	87
15	13	87
16	13	87
17	13	87
18	13	87
19	13	87
20	13	87
21	13	87
22	13	87
23	13	87
24	13	87
25	12	88
26	12	88
27	12	88
28	12	88
29	12	88
30	11	89
31	11	89

	Rain chance (%)	Snow chance (%)
1	62	70
2	61	69
3	61	69
4	60	69
5	60	68
6	60	68
7	59	68
8	59	67
9	59	67
10	59	67
11	59	67
12	60	67
13	60	68
14	61	68
15	61	69
16	62	69
17	62	69
18	62	69
19	62	69
20	62	69
21	62	69
22	62	68
23	62	68
24	62	68
25	62	67
26	61	67
27	60	66
28	60	66
29	59	65
30	59	64
31	58	64

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

	Clearer (%)	Cloudier (%)
1	11	89
2	11	89
3	11	89
4	11	89
5	11	89
6	11	89
7	12	88
8	12	88
9	12	88
10	12	88
11	13	87
12	13	87
13	13	87
14	13	87
15	13	87
16	13	87
17	13	87
18	13	87
19	13	87
20	13	87
21	13	87
22	13	87
23	13	87
24	13	87
25	12	88
26	12	88
27	12	88
28	12	88
29	12	88
30	11	89
31	11	89

	Rain chance (%)	Snow chance (%)
1	62	70
2	61	69
3	61	69
4	60	69
5	60	68
6	60	68
7	59	68
8	59	67
9	59	67
10	59	67
11	59	67
12	60	67
13	60	68
14	61	68
15	61	69
16	62	69
17	62	69
18	62	69
19	62	69
20	62	69
21	62	69
22	62	68
23	62	68
24	62	68
25	62	67
26	61	67
27	60	66
28	60	66
29	59	65
30	59	64
31	58	64

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

	Clearer (%)	Cloudier (%)
1	11	89
2	11	89
3	11	89
4	11	89
5	11	89
6	11	89
7	12	88
8	12	88
9	12	88
10	12	88
11	13	87
12	13	87
13	13	87
14	13	87
15	13	87
16	13	87
17	13	87
18	13	87
19	13	87
20	13	87
21	13	87
22	13	87
23	13	87
24	13	87
25	12	88
26	12	88
27	12	88
28	12	88
29	12	88
30	11	89
31	11	89

	Rain chance (%)	Snow chance (%)
1	62	70
2	61	69
3	61	69
4	60	69
5	60	68
6	60	68
7	59	68
8	59	67
9	59	67
10	59	67
11	59	67
12	60	67
13	60	68
14	61	68
15	61	69
16	62	69
17	62	69
18	62	69
19	62	69
20	62	69
21	62	69
22	62	68
23	62	68
24	62	68
25	62	67
26	61	67
27	60	66
28	60	66
29	59	65
30	59	64
31	58	64

	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