St. Peter Port, Guernsey Weather Information

Local Time

2026-03-09 17:14:48 Greenwich Mean Time

Weather in the past year

Temperature Unit:
Wind Speed Unit:
Average Temperature
12.6°C 54.7°F
Minimum Temperature
4.3°C 39.7°F
Maximum Temperature
18.7°C 65.7°F
Average Wind Gust
174.2 km/h 108.3 mph 48.4 m/s 94.1 knots
Minimum Wind Gust
46.8 km/h 29.1 mph 13 m/s 25.3 knots
Maximum Wind Gust
387.4 km/h 240.7 mph 107.6 m/s 209.2 knots

Sun & Astronomy

In St. Peter Port, Guernsey, today's sunrise time is 06:32, sunset time is 18:08, nautical twilight begins at 05:25, nautical twilight ends at 19:15, astronomical twilight begins at 04:47, astronomical twilight ends at 19:53.

Sunrise
06:32
Sunset
18:08
Solar Noon
12:20
Day Length
11:36
Civil Twilight Begin
06:02
Civil Twilight End
18:38

Temperature Analysis

In St. Peter Port, Guernsey region, the lowest temperature occurs in January 2025, with an average temperature of about 7.8°C.

The highest temperature occurs in August 2025, with a maximum temperature of up to 17.4°C.

Based on historical data, the average temperature in January is 7.8°C, February is 8°C, March is 8.9°C, April is 10.6°C, May is 12.3°C, June is 15.1°C, July is 16.6°C, August is 17.4°C, September is 15.9°C, October is 14.4°C, November is 12.4°C, December is 10.8°C.

Wind Analysis

In St. Peter Port, Guernsey region, the lowest wind speed occurs in June 2025, with an average wind speed of about 37.5 km/h.

The highest wind speed occurs in December 2025, with a maximum wind speed of up to 65.3 km/h.

Based on historical data, the average wind speed in January is 56.9 km/h, February is 48.5 km/h, March is 41.3 km/h, April is 43.8 km/h, May is 41.4 km/h, June is 37.5 km/h, July is 38.9 km/h, August is 40.1 km/h, September is 53.6 km/h, October is 56.5 km/h, November is 59.7 km/h, December is 65.3 km/h.

Sunshine Duration Analysis

In St. Peter Port, Guernsey region, the lowest sunshine duration occurs in December 2025, with an average sunshine duration of about 3.3 hours.

The highest sunshine duration occurs in June 2025, with a maximum sunshine duration of up to 12.1 hours.

Based on historical data, the average sunshine duration in January is 3.8 hours, February is 5 hours, March is 8.4 hours, April is 10.7 hours, May is 11.9 hours, June is 12.1 hours, July is 11.4 hours, August is 10.9 hours, September is 8.9 hours, October is 6.1 hours, November is 5.6 hours, December is 3.3 hours.

Precipitation Analysis

In St. Peter Port, Guernsey region, the lowest precipitation occurs in March 2025, with an average precipitation of about 0.5 mm.

The highest precipitation occurs in January 2025, with a maximum precipitation of up to 5 mm.

Based on historical data, the average precipitation in January is 5 mm, February is 1.9 mm, March is 0.5 mm, April is 1.2 mm, May is 0.8 mm, June is 0.9 mm, July is 0.8 mm, August is 0.7 mm, September is 2.5 mm, October is 3.3 mm, November is 3.1 mm, December is 4.4 mm.

Total Precipitation: 747.2 mm
Total Snowfall: 0.6 cm

Recent 12 Months