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Grytviken Climate Guide
South Georgia & South Sandwich Islands
Metric | Imperial    Bars | Symbols
Maximum Daytime Temperature (°C)
Minimum Night-time Temperature (°C)
7
7 °C (45°F) Maximum Daytime Temperature in January
8
8 °C (46°F) Maximum Daytime Temperature in February
7
7 °C (45°F) Maximum Daytime Temperature in March
4
4 °C (39°F) Maximum Daytime Temperature in April
2
2 °C (36°F) Maximum Daytime Temperature in May
1
1 °C (34°F) Maximum Daytime Temperature in June
0
0 °C (32°F) Maximum Daytime Temperature in July
1
1 °C (34°F) Maximum Daytime Temperature in August
3
3 °C (37°F) Maximum Daytime Temperature in September
4
4 °C (39°F) Maximum Daytime Temperature in October
5
5 °C (41°F) Maximum Daytime Temperature in November
6
6 °C (43°F) Maximum Daytime Temperature in December
J F M A M J J A S O N D
1
1 °C (34°F) Minimum Night-time Temperature in January
1
1 °C (34°F) Minimum Night-time Temperature in February
0
0 °C (32°F) Minimum Night-time Temperature in March
0
0 °C (32°F) Minimum Night-time Temperature in December
J F M A M J J A S O N D
-2 °C (28°F) Minimum Night-time Temperature in April
-2
-4 °C (25°F) Minimum Night-time Temperature in May
-4
-5 °C (23°F) Minimum Night-time Temperature in June
-5
-6 °C (21°F) Minimum Night-time Temperature in July
-6
-5 °C (23°F) Minimum Night-time Temperature in August
-5
-4 °C (25°F) Minimum Night-time Temperature in September
-4
-2 °C (28°F) Minimum Night-time Temperature in October
-2
-1 °C (30°F) Minimum Night-time Temperature in November
-1
Hours of Sunshine
Hours of Daylight
3
3 Hours of Sunshine (18% of Daylight Hours) in January
2
2 Hours of Sunshine (15% of Daylight Hours) in February
2
2 Hours of Sunshine (13% of Daylight Hours) in March
1
1 Hour of Sunshine (13% of Daylight Hours) in April
1
1 Hour of Sunshine (14% of Daylight Hours) in May
1
1 Hour of Sunshine (12% of Daylight Hours) in June
1
1 Hour of Sunshine (13% of Daylight Hours) in July
2
2 Hours of Sunshine (15% of Daylight Hours) in August
2
2 Hours of Sunshine (16% of Daylight Hours) in September
2
2 Hours of Sunshine (17% of Daylight Hours) in October
3
3 Hours of Sunshine (17% of Daylight Hours) in November
3
3 Hours of Sunshine (15% of Daylight Hours) in December
J F M A M J J A S O N D
17
17 Hours of Daylight in January
15
15 Hours of Daylight in February
13
13 Hours of Daylight in March
10
10 Hours of Daylight in April
9
9 Hours of Daylight in May
7
7 Hours of Daylight in June
8
8 Hours of Daylight in July
10
10 Hours of Daylight in August
12
12 Hours of Daylight in September
14
14 Hours of Daylight in October
16
16 Hours of Daylight in November
17
17 Hours of Daylight in December
J F M A M J J A S O N D
Days with some Rain
Monthly Rainfall (mm)
28
28 Days with some Rain in January
19
19 Days with some Rain in February
21
21 Days with some Rain in March
19
19 Days with some Rain in April
18
18 Days with some Rain in May
18
18 Days with some Rain in June
18
18 Days with some Rain in July
16
16 Days with some Rain in August
17
17 Days with some Rain in September
22
22 Days with some Rain in October
26
26 Days with some Rain in November
28
28 Days with some Rain in December
J F M A M J J A S O N D
112
112 mm (4.4 inches) Monthly Rainfall in January
143
143 mm (5.6 inches) Monthly Rainfall in February
155
155 mm (6.1 inches) Monthly Rainfall in March
157
157 mm (6.2 inches) Monthly Rainfall in April
178
178 mm (7.0 inches) Monthly Rainfall in May
148
148 mm (5.8 inches) Monthly Rainfall in June
143
143 mm (5.6 inches) Monthly Rainfall in July
139
139 mm (5.5 inches) Monthly Rainfall in August
138
138 mm (5.4 inches) Monthly Rainfall in September
117
117 mm (4.6 inches) Monthly Rainfall in October
102
102 mm (4.0 inches) Monthly Rainfall in November
90
90 mm (3.5 inches) Monthly Rainfall in December
J F M A M J J A S O N D
Heat & Humidity / Chance of Frost
UV Index (Maximum)
16
16 Days with Frost in January
14
14 Days with Frost in February
17
17 Days with Frost in March
20
20 Days with Frost in April
23
23 Days with Frost in May
23
23 Days with Frost in June
25
25 Days with Frost in July
24
24 Days with Frost in August
23
23 Days with Frost in September
22
22 Days with Frost in October
19
19 Days with Frost in November
17
17 Days with Frost in December
J F M A M J J A S O N D
7
UV 7 (High) in January
6
UV 6 (High) in February
4
UV 4 (Moderate) in March
2
UV 2 (Low) in April
1
UV 1 (Low) in May
0
UV 0 (None) in June
0
UV 0 (None) in July
1
UV 1 (Low) in August
2
UV 2 (Low) in September
5
UV 5 (Moderate) in October
7
UV 7 (High) in November
8
UV 8 (Very High) in December
J F M A M J J A S O N D
Sea Temperature (°C)
3
3 °C (37°F) Sea Temperature in January
3
3 °C (37°F) Sea Temperature in February
3
3 °C (37°F) Sea Temperature in March
3
3 °C (37°F) Sea Temperature in April
2
2 °C (36°F) Sea Temperature in May
1
1 °C (34°F) Sea Temperature in June
1
1 °C (34°F) Sea Temperature in July
0
0 °C (32°F) Sea Temperature in August
0
0 °C (32°F) Sea Temperature in September
0
0 °C (32°F) Sea Temperature in October
1
1 °C (34°F) Sea Temperature in November
2
2 °C (36°F) Sea Temperature in December
J F M A M J J A S O N D
Grytviken Climate Guide (Historical Weather Averages), South Georgia & South Sandwich Islands
Elev: 300 m   Long: 036°30'W   Lat: 54°16'S
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