Casey, Antarctica Weather Information

Local Time

2026-03-14 15:00:47 New Zealand Daylight Time

Weather in the past year

Temperature Unit:
Wind Speed Unit:
Average Temperature
-7.8°C 18°F
Minimum Temperature
-23.7°C -10.7°F
Maximum Temperature
2.8°C 37°F
Average Wind Gust
154.8 km/h 96.2 mph 43 m/s 83.6 knots
Minimum Wind Gust
37.4 km/h 23.3 mph 10.4 m/s 20.2 knots
Maximum Wind Gust
611.6 km/h 380.1 mph 169.9 m/s 330.3 knots

Sun & Astronomy

In Casey, Antarctica, today's sunrise time is 11:12, sunset time is 00:21, nautical twilight begins at 09:14, nautical twilight ends at 02:19, astronomical twilight begins at 07:45, astronomical twilight ends at 03:48.

Sunrise
11:12
Sunset
00:21
Solar Noon
17:47
Day Length
13:08
Civil Twilight Begin
10:22
Civil Twilight End
01:11

Temperature Analysis

In Casey, Antarctica region, the lowest temperature occurs in May 2025, with an average temperature of about -14.2°C.

The highest temperature occurs in January 2025, with a maximum temperature of up to -0.2°C.

Based on historical data, the average temperature in January is -0.2°C, February is -2.4°C, March is -4.7°C, April is -12.2°C, May is -14.2°C, June is -8°C, July is -13.3°C, August is -11.8°C, September is -13.2°C, October is -7.4°C, November is -3.7°C, December is -1°C.

Wind Analysis

In Casey, Antarctica region, the lowest wind speed occurs in December 2025, with an average wind speed of about 30.4 km/h.

The highest wind speed occurs in June 2025, with a maximum wind speed of up to 66 km/h.

Based on historical data, the average wind speed in January is 37.1 km/h, February is 33.9 km/h, March is 44.8 km/h, April is 34.9 km/h, May is 40.8 km/h, June is 66 km/h, July is 46 km/h, August is 64.1 km/h, September is 41 km/h, October is 41 km/h, November is 34 km/h, December is 30.4 km/h.

Sunshine Duration Analysis

In Casey, Antarctica region, the lowest sunshine duration occurs in June 2025, with an average sunshine duration of about 0.2 hours.

The highest sunshine duration occurs in November 2025, with a maximum sunshine duration of up to 12.6 hours.

Based on historical data, the average sunshine duration in January is 9.2 hours, February is 7.5 hours, March is 4.8 hours, April is 4 hours, May is 1.4 hours, June is 0.2 hours, July is 1.1 hours, August is 2.8 hours, September is 6 hours, October is 11.6 hours, November is 12.6 hours, December is 10.9 hours.

Precipitation Analysis

In Casey, Antarctica region, the lowest precipitation occurs in October 2025, with an average precipitation of about 0.5 mm.

The highest precipitation occurs in March 2025, with a maximum precipitation of up to 1.9 mm.

Based on historical data, the average precipitation in January is 0.7 mm, February is 1.5 mm, March is 1.9 mm, April is 1 mm, May is 0.8 mm, June is 1.5 mm, July is 0.6 mm, August is 1.3 mm, September is 0.9 mm, October is 0.5 mm, November is 0.7 mm, December is 0.6 mm.

Total Precipitation: 357.2 mm
Total Snowfall: 244.9 cm

Recent 12 Months