St Austell Weather in March
During March, St Austell experiences low daytime temperatures of 12°C (54°F) and cooler nights around 6°C (43°F). Expect quite a bit of rainfall. Around 72 mm (2.8 in) is typical.
Rainfall in St Austell in March
This month experiences about 18 days of rain according to historical data, averaging 72 mm (2.8 in). Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in St Austell in March
March in St Austell brings low temperatures, with highs of 12°C (54°F) and nights around 6°C (43°F). Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. Nights drop to 6°C (43°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in St Austell in March
The area enjoys a moderate level of sunlight, with around 127 hours. It's a good balance between sunny and cloudy days.Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable 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 St Austell's climate page.
St Austell Temperature in March
Min Temperature
6°C (43°F)
Max Temperature
12°C (54°F)
Chance of Rain
59%
Precipitation
72 mm (2.8 in)
Rainy days
18 days
Sunshine
127 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in St Austell typically stay consistent throughout March, with daily highs averaging around 12°C (54°F). Nights are cold, with lows typically ranging from 4°C (39°F) to 6°C (43°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 St Austell in March
Browse day-by-day weather records for St Austell spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
St Austell historical weather extremes in March
Our historical data for St Austell spans 1989 to 2026, revealing these weather extremes.
- The hottest March day on record in St Austell reached 19°C (66°F) (March 30, 2021).
- St Austell experienced its chilliest March day on March 1, 2018, reaching only 0°C (32°F).
- The coldest night in March in St Austell was on March 1, 2018, with a minimum of -6°C (21°F).
- The heaviest March precipitation occurred on March 22, 2013, when 32 mm (1.3 in) of precipitation fell.
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 St Austell in March
The weather can swing between comfortable and chilly in March, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in St Austell 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 St Austell's climate page.
See the full St Austell climate overview or explore weather in the United Kingdom.
