Grytviken weather in April

In April, Grytviken sees average daytime highs of 1°C and overnight lows near -1°C, with 131 mm of precipitation across 19.2 wet days and about 10.3 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 1°C through the month. The sky is clear or mostly clear about 3% of the time in April, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of April to 9 h 18 min by month's end. Set against the rest of the year, April is Grytviken's 1st-clearest and 5th-windiest month. For the whole year in context, see Grytviken's year-round climate.

Daytime high
5th warmest
Overnight low
-1°
8th coldest
Precipitation
131 mm
19.2 wet days
Daylight
10 h 12 min
7:19 AM – 5:33 PM
Cloud cover
82%
1st clearest
Wind
20 km/h
5th windiest
Solar energy
1.78 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.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 1°C through the month.

A typical April day in Grytviken reaches about 1°C in the afternoon and slips back to -1°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between -1°C and 4°C. Set against its neighbours, April runs about 1°C cooler than March and about 2°C warmer than May.

-10°-5°151015202530
Avg high (°C)Avg low (°C)
12-1
22-1
32-1
42-1
52-1
62-1
72-1
82-1
92-1
102-1
112-1
122-1
132-1
142-1
152-1
162-1
171-1
181-1
191-1
201-2
211-2
221-2
231-2
241-2
251-2
261-2
271-2
281-2
291-2
301-2

How April really feels in Grytviken

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 30 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
30
wind chill below the day's low

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

Grytviken weather by month

How April compares with the rest of the year at a glance. April is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 12019.513.516.30.0
Feb / 11518.111.314.70.0
Mar / 13920.313.112.50.0
Apr / -1°13119.216.310.30.0
May-0° / -3°11919.218.78.30.0
Jun-2° / -5°11517.819.47.20.0
Jul-2° / -5°11818.420.87.60.0
Aug-2° / -5°12118.921.19.30.0
Sep-1° / -4°11317.219.311.50.0
Oct-0° / -3°10918.518.313.80.0
Nov / -2°10617.516.215.80.0
Dec / -1°108191616.80.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in April, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11486
21486
31486
41486
51486
61486
71585
81585
91585
101585
111585
121585
131684
141684
151684
161684
171684
181684
191684
201684
211684
221684
231684
241783
251684
261684
271684
281684
291684
301585

Chance of precipitation in April

Any precipitationSnow

Grytviken gets around 131 mm of rain and snow over 19.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 65% and peaks near 68% on the wettest days, and about 16 days bring snow.

0%20%40%60%80%151015202530
Rain chance (%)Snow chance (%)
16650
26650
36550
46450
56350
66350
76250
86250
96150
106150
116150
126250
136251
146251
156352
166453
176453
186554
196555
206656
216657
226757
236758
246759
256760
266760
276861
286862
296863
306864

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April 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%151015202530
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

Wind in April

Winds average 20 km/h in April.

Across April, daily wind ranges from about 20 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
120light breeze
220light breeze
320light breeze
420light breeze
520light breeze
620light breeze
720light breeze
820light breeze
920light breeze
1020light breeze
1120light breeze
1220light breeze
1320light breeze
1420light breeze
1520light breeze
1620light breeze
1720light breeze
1820light breeze
1920light breeze
2020light breeze
2120light breeze
2220light breeze
2320light breeze
2420light breeze
2520breezy
2620breezy
2720breezy
2820breezy
2920breezy
3020breezy

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 18 min at the start of April to 9 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 120 minutes over April. Sunrise moves from 6:50 AM to 7:46 AM, and sunset from 6:11 PM to 5:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:506:11
211.36:526:09
311.26:546:06
411.16:566:03
511.06:586:01
611.07:005:58
710.97:025:56
810.87:045:53
910.87:065:51
1010.77:085:48
1110.67:095:46
1210.57:115:43
1310.57:135:41
1410.47:155:38
1510.37:175:36
1610.27:195:33
1710.27:215:31
1810.17:235:29
1910.07:255:26
2010.07:275:24
219.97:295:22
229.87:305:19
239.77:325:17
249.77:345:15
259.67:365:12
269.57:385:10
279.57:405:08
289.47:425:05
299.37:445:03
309.37:465:01

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 1.78 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 — April's 1.78 kWh/m² falls in the middle.

0123151015202530
Solar energy (kWh/m²)Level
12.4Moderate
22.3Moderate
32.3Moderate
42.2Moderate
52.2Moderate
62.2Moderate
72.1Moderate
82.1Moderate
92.0Moderate
102.0Dim
111.9Dim
121.9Dim
131.9Dim
141.8Dim
151.8Dim
161.8Dim
171.7Dim
181.7Dim
191.6Dim
201.6Dim
211.6Dim
221.5Dim
231.5Dim
241.5Dim
251.4Dim
261.4Dim
271.4Dim
281.3Dim
291.3Dim
301.3Dim
Planning a trip in April

Is April a good time to visit Grytviken?

Our two travel scores rate April 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

April is a weaker month for outdoor sightseeing in Grytviken.

What to pack for Grytviken in April

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

In April, Grytviken sees daytime highs around 1°C and nights near -1°C. Pack a warm layer, a heavy coat and rain gear. About 19 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Grytviken in April

The nearest coast averages about 3°C in April — 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.

-2°0°2°4°6°JanFebMarAprMayJunJulAugSepOctNovDecbracing
Sea temperature (°C)Comfort
Jan3Bracing
Feb4Bracing
Mar4Bracing
Apr3Bracing
May2Bracing
Jun1Bracing
Jul1Bracing
Aug0Bracing
Sep0Bracing
Oct1Bracing
Nov2Bracing
Dec3Bracing

UV index in Grytviken in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 2. 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highModerateLowModerateVery highDec 16UV 10Jun 16UV 0
UV index (midday)Level
Jan8Very high
Feb7Very high
Mar4Moderate
Apr2Moderate
May1Low
Jun0Low
Jul1Low
Aug1Low
Sep3Moderate
Oct7Very high
Nov8Very high
Dec10Very 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
16 km
2,359 m
80 km
2,915 m
grasslandbare terrainsnow and icewaterwetlandmoss and lichen
April 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).