Guernsey Weather in March
March in Guernsey brings low temperatures around 11°C (52°F) during the day, dropping to 8°C (46°F) at night, with quite a bit of rainfall expected, averaging around 66 mm (2.6 in) for the month.
Rainfall in Guernsey in March
Typically, you can expect about 16 days of rain this month, with 66 mm (2.6 in) on average. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.
Temperature in Guernsey in March
In March, expect low temperatures in Guernsey, with highs of 11°C (52°F) and lows of 8°C (46°F) at night. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Guernsey in March
The area experiences a moderate amount of sunshine, with approximately 129 hours of sunlight expected. This means a decent mix of sun and overcast.If you prefer dry days with pleasant temperatures, July, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Guernsey's climate page.
Guernsey Temperature in March
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Guernsey typically stay consistent throughout March, with daily highs averaging around 11°C (52°F). Nights are cold, with lows typically ranging from 5°C (41°F) to 7°C (45°F).
Average temperatures in March
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Guernsey in March
Browse day-by-day weather records for Guernsey spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Guernsey historical weather extremes in March
The extremes listed below come from historical weather data collected in Guernsey from 1976 through 2026.
- On March 30, 2021, temperatures climbed to 20°C (68°F), marking the warmest March day on record.
- The lowest daytime temperature in March was 2°C (36°F), recorded on March 1, 1986.
- Guernsey registered its coldest March night on March 20, 1985, with temperatures dropping to -3°C (27°F).
Best Places in the United Kingdom in March
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in March →
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What to Wear in Guernsey in March
Pack for changing conditions in Guernsey in March. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Guernsey in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Guernsey's climate page.
See the full Guernsey climate overview or explore weather in the United Kingdom.