St Austell weather in March

In March, St Austell sees average daytime highs of 10°C and overnight lows near 6°C, with 64 mm of precipitation across 11.8 wet days and about 11.5 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 10°C through the month. The sky is clear or mostly clear about 15% of the time in March, and the air most often feels dry.

Daylight stretches from about 10 h 36 min at the start of March to 12 h 30 min by month's end. Set against the rest of the year, March is St Austell's 8th-clearest and 5th-windiest month. For the whole year in context, see St Austell's year-round climate.

Daytime high: 10°; 9th warmest
Overnight low: 6°; 3rd coldest
Precipitation: 64 mm; 11.8 wet days
Daylight: 11 h 30 min; 6:43 AM – 6:15 PM
Cloud cover: 72%; 8th clearest
Wind: 21 km/h; 5th windiest
Solar energy: 2.76 kWh/m²
Travel score: 2.1; out of 10

St Austell is town in Cornwall, England, UK.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← February St Austell year-round climate April →Best places to visit in March

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 10°C through the month.

A typical March day in St Austell reaches about 10°C in the afternoon and slips back to 6°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 12°C. Set against its neighbours, March runs about 1°C warmer than February and about 2°C cooler than April.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	9	9	9	9	9	9	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	11	11	11	11	11	11	11	11
Avg low (°C)	5	5	5	5	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6

	Avg high (°C)	Avg low (°C)
1	9	5
2	9	5
3	9	5
4	9	5
5	9	6
6	9	6
7	10	6
8	10	6
9	10	6
10	10	6
11	10	6
12	10	6
13	10	6
14	10	6
15	10	6
16	10	6
17	10	6
18	10	6
19	10	6
20	10	6
21	10	6
22	10	6
23	10	6
24	11	6
25	11	6
26	11	6
27	11	6
28	11	6
29	11	6
30	11	6
31	11	6

St Austell weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	9° / 6°	86	14.4	8.3	1.6
Feb	9° / 5°	68	11.7	9.7	1.6
Mar	10° / 6°	64	11.8	11.5	2.1
Apr	12° / 7°	66	12.4	13.5	2.9
May	14° / 9°	63	11.4	15.2	4.0
Jun	17° / 12°	63	11.4	16.1	5.1
Jul	19° / 14°	63	10.6	15.7	5.9
Aug	19° / 14°	67	11.1	14.3	5.8
Sep	17° / 13°	58	10.2	12.4	5.4
Oct	14° / 11°	90	13.5	10.5	3.8
Nov	12° / 8°	91	14.4	8.8	2.6
Dec	10° / 6°	91	14	7.9	1.9

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 15% of March, with mostly cloudy or overcast conditions the remaining 70%. Skies tend to open up as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	27	27	27	28	28	28	28	29	28	28	29	29	28	29	29	30	30	30	30	30	31	31	32	33	33	33	32	33	33	34	35
Cloudier (%)	73	73	73	72	72	72	72	71	72	72	71	71	72	71	71	70	70	70	70	70	69	69	68	67	67	67	68	67	67	66	65

	Clearer (%)	Cloudier (%)
1	27	73
2	27	73
3	27	73
4	28	72
5	28	72
6	28	72
7	28	72
8	29	71
9	28	72
10	28	72
11	29	71
12	29	71
13	28	72
14	29	71
15	29	71
16	30	70
17	30	70
18	30	70
19	30	70
20	30	70
21	31	69
22	31	69
23	32	68
24	33	67
25	33	67
26	33	67
27	32	68
28	33	67
29	33	67
30	34	66
31	35	65

Chance of precipitation in March

Any precipitation

St Austell gets around 64 mm of rain and snow over 11.8 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 38% and peaks near 45% on the wettest days, and about 0 day brings snow.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	45	45	44	44	43	42	41	40	38	37	36	35	34	34	33	33	33	33	34	34	35	36	37	37	38	39	40	40	40	41	40

	Rain chance (%)
1	45
2	45
3	44
4	44
5	43
6	42
7	41
8	40
9	38
10	37
11	36
12	35
13	34
14	34
15	33
16	33
17	33
18	33
19	34
20	34
21	35
22	36
23	37
24	37
25	38
26	39
27	40
28	40
29	40
30	41
31	40

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in March

Winds average 21 km/h in March.

Across March, daily wind ranges from about 20 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	22	22	22	22	22	22	22	22	22	21	21	21	21	21	21	21	21	21	21	21	21	21	21	20	20	20	20	20	20	20	20
Feels	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy

	Wind speed (km/h)	Feels
1	22	breezy
2	22	breezy
3	22	breezy
4	22	breezy
5	22	breezy
6	22	breezy
7	22	breezy
8	22	breezy
9	22	breezy
10	21	breezy
11	21	breezy
12	21	breezy
13	21	breezy
14	21	breezy
15	21	breezy
16	21	breezy
17	21	breezy
18	21	breezy
19	21	breezy
20	21	breezy
21	21	breezy
22	21	breezy
23	21	breezy
24	20	breezy
25	20	breezy
26	20	breezy
27	20	breezy
28	20	breezy
29	20	breezy
30	20	breezy
31	20	breezy

Sunrise & sunset in March

DaylightNight

Daylight runs from about 10 h 36 min at the start of March to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 114 minutes over March. Sunrise moves from 7:15 AM to 6:09 AM, and sunset from 5:49 PM to 6:39 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	10.6	10.6	10.7	10.8	10.8	10.9	11.0	11.0	11.1	11.1	11.2	11.3	11.3	11.4	11.5	11.5	11.6	11.7	11.7	11.8	11.9	11.9	12.0	12.0	12.1	12.2	12.2	12.3	12.4	12.4	12.5
Sunrise (AM)	7:15	7:13	7:11	7:09	7:07	7:05	7:03	7:00	6:58	6:56	6:54	6:52	6:50	6:47	6:45	6:43	6:41	6:38	6:36	6:34	6:32	6:29	6:27	6:25	6:23	6:20	6:18	6:16	6:14	6:11	6:09
Sunset (PM)	5:49	5:51	5:53	5:55	5:56	5:58	6:00	6:01	6:03	6:05	6:06	6:08	6:10	6:11	6:13	6:15	6:16	6:18	6:20	6:21	6:23	6:25	6:26	6:28	6:29	6:31	6:33	6:34	6:36	6:38	6:39

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.6	7:15	5:49
2	10.6	7:13	5:51
3	10.7	7:11	5:53
4	10.8	7:09	5:55
5	10.8	7:07	5:56
6	10.9	7:05	5:58
7	11.0	7:03	6:00
8	11.0	7:00	6:01
9	11.1	6:58	6:03
10	11.1	6:56	6:05
11	11.2	6:54	6:06
12	11.3	6:52	6:08
13	11.3	6:50	6:10
14	11.4	6:47	6:11
15	11.5	6:45	6:13
16	11.5	6:43	6:15
17	11.6	6:41	6:16
18	11.7	6:38	6:18
19	11.7	6:36	6:20
20	11.8	6:34	6:21
21	11.9	6:32	6:23
22	11.9	6:29	6:25
23	12.0	6:27	6:26
24	12.0	6:25	6:28
25	12.1	6:23	6:29
26	12.2	6:20	6:31
27	12.2	6:18	6:33
28	12.3	6:16	6:34
29	12.4	6:14	6:36
30	12.4	6:11	6:38
31	12.5	6:09	6:39

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 2.76 kWh/m².

For context, solar energy here swings from a low near 0.73 kWh/m² to a high of 5.47 kWh/m² in June across the year — March's 2.76 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	2.1	2.2	2.2	2.3	2.3	2.3	2.4	2.4	2.4	2.5	2.5	2.5	2.6	2.6	2.7	2.7	2.8	2.8	2.9	2.9	3.0	3.0	3.1	3.1	3.2	3.3	3.3	3.4	3.5	3.5	3.6
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	2.1	Moderate
2	2.2	Moderate
3	2.2	Moderate
4	2.3	Moderate
5	2.3	Moderate
6	2.3	Moderate
7	2.4	Moderate
8	2.4	Moderate
9	2.4	Moderate
10	2.5	Moderate
11	2.5	Moderate
12	2.5	Moderate
13	2.6	Moderate
14	2.6	Moderate
15	2.7	Moderate
16	2.7	Moderate
17	2.8	Moderate
18	2.8	Moderate
19	2.9	Moderate
20	2.9	Moderate
21	3.0	Moderate
22	3.0	Moderate
23	3.1	Moderate
24	3.1	Moderate
25	3.2	Moderate
26	3.3	Moderate
27	3.3	Moderate
28	3.4	Moderate
29	3.5	Moderate
30	3.5	Moderate
31	3.6	Moderate

Planning a trip in March

Is March a good time to visit St Austell?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.1

Sightseeing

9th-best month of the year

0.0

Beach & pool

7th-best month of the year

March is a weaker month for outdoor sightseeing in St Austell.

What to pack for St Austell in March

From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In March, St Austell sees daytime highs around 10°C and nights near 6°C. Pack a warm layer. Worth having: rain gear and a windbreaker. About 12 days see rain.

a warm layerrain geara windbreaker

Sea temperature near St Austell in March

The nearest coast averages about 9°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 25 km away) is warmest in August at about 17°C and coldest in March near 9°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	10	10	9	10	12	14	16	17	16	15	13	11
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Cool	Cool	Cool	Bracing	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	10	Bracing
Feb	10	Bracing
Mar	9	Bracing
Apr	10	Bracing
May	12	Bracing
Jun	14	Bracing
Jul	16	Cool
Aug	17	Cool
Sep	16	Cool
Oct	15	Bracing
Nov	13	Bracing
Dec	11	Bracing

UV index in St Austell in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in St Austell peaks around August 13 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	1	3	5	6	6	6	7	5	3	1	1
Level	Low	Low	Moderate	Moderate	High	High	High	High	Moderate	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	1	Low
Mar	3	Moderate
Apr	5	Moderate
May	6	High
Jun	6	High
Jul	6	High
Aug	7	High
Sep	5	Moderate
Oct	3	Moderate
Nov	1	Low
Dec	1	Low

Location & terrain

Where is St Austell?

St Austell sits at 50.3°N, 4.8°W, 73 m above sea level, in United Kingdom. The nearest listed city is Bodmin, 15 km away.

Topography around St Austell

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of St Austell.

Within 3 km, the terrain around St Austell has significant variations in elevation — a maximum elevation change of 266 m around an average of 94 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 362 m; within 80 km, large variations in elevation — a maximum elevation change of 613 m.

The land around St Austell is covered by trees (36%) and grassland (34%) within 3 km, grassland (40%), water (26%) and trees (20%) within 16 km, and water (59%) and grassland (28%) within 80 km.

3 km

266 m

trees 36%

16 km

362 m

grassland 40%

80 km

613 m

water 59%

treesgrasslandcroplandartificial surfacesbare terrainwater

← February St Austell year-round climate April →Best places to visit in March

March weather nearby: Bodmin 15 km · Truro 22 km · Newquay 23 km · Falmouth 30 km · Redruth 34 km · Saltash 40 km · Camborne 40 km · Plymouth 45 km

United Kingdom travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type D / G / M; 230 V · 50 Hz
Prices: ≈ 89% of US; price level, 2025
GDP per capita: $57,602; 2025
Happiness: 6.7 / 10; World Happiness, 2025
Safe drinking water: 100%; of population, 2024
Homicide rate: 1.1; per 100k, 2021
Road deaths: 3.2; per 100k/yr, 2019
Income group: High; World Bank
Religion

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for St Austell (50.3425°, -4.7744°, elevation 73 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°C)	Avg low (°C)
1	9	5
2	9	5
3	9	5
4	9	5
5	9	6
6	9	6
7	10	6
8	10	6
9	10	6
10	10	6
11	10	6
12	10	6
13	10	6
14	10	6
15	10	6
16	10	6
17	10	6
18	10	6
19	10	6
20	10	6
21	10	6
22	10	6
23	10	6
24	11	6
25	11	6
26	11	6
27	11	6
28	11	6
29	11	6
30	11	6
31	11	6

	Clearer (%)	Cloudier (%)
1	27	73
2	27	73
3	27	73
4	28	72
5	28	72
6	28	72
7	28	72
8	29	71
9	28	72
10	28	72
11	29	71
12	29	71
13	28	72
14	29	71
15	29	71
16	30	70
17	30	70
18	30	70
19	30	70
20	30	70
21	31	69
22	31	69
23	32	68
24	33	67
25	33	67
26	33	67
27	32	68
28	33	67
29	33	67
30	34	66
31	35	65

	Rain chance (%)
1	45
2	45
3	44
4	44
5	43
6	42
7	41
8	40
9	38
10	37
11	36
12	35
13	34
14	34
15	33
16	33
17	33
18	33
19	34
20	34
21	35
22	36
23	37
24	37
25	38
26	39
27	40
28	40
29	40
30	41
31	40

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	9	5
2	9	5
3	9	5
4	9	5
5	9	6
6	9	6
7	10	6
8	10	6
9	10	6
10	10	6
11	10	6
12	10	6
13	10	6
14	10	6
15	10	6
16	10	6
17	10	6
18	10	6
19	10	6
20	10	6
21	10	6
22	10	6
23	10	6
24	11	6
25	11	6
26	11	6
27	11	6
28	11	6
29	11	6
30	11	6
31	11	6

	Clearer (%)	Cloudier (%)
1	27	73
2	27	73
3	27	73
4	28	72
5	28	72
6	28	72
7	28	72
8	29	71
9	28	72
10	28	72
11	29	71
12	29	71
13	28	72
14	29	71
15	29	71
16	30	70
17	30	70
18	30	70
19	30	70
20	30	70
21	31	69
22	31	69
23	32	68
24	33	67
25	33	67
26	33	67
27	32	68
28	33	67
29	33	67
30	34	66
31	35	65

	Rain chance (%)
1	45
2	45
3	44
4	44
5	43
6	42
7	41
8	40
9	38
10	37
11	36
12	35
13	34
14	34
15	33
16	33
17	33
18	33
19	34
20	34
21	35
22	36
23	37
24	37
25	38
26	39
27	40
28	40
29	40
30	41
31	40

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	9	5
2	9	5
3	9	5
4	9	5
5	9	6
6	9	6
7	10	6
8	10	6
9	10	6
10	10	6
11	10	6
12	10	6
13	10	6
14	10	6
15	10	6
16	10	6
17	10	6
18	10	6
19	10	6
20	10	6
21	10	6
22	10	6
23	10	6
24	11	6
25	11	6
26	11	6
27	11	6
28	11	6
29	11	6
30	11	6
31	11	6

	Clearer (%)	Cloudier (%)
1	27	73
2	27	73
3	27	73
4	28	72
5	28	72
6	28	72
7	28	72
8	29	71
9	28	72
10	28	72
11	29	71
12	29	71
13	28	72
14	29	71
15	29	71
16	30	70
17	30	70
18	30	70
19	30	70
20	30	70
21	31	69
22	31	69
23	32	68
24	33	67
25	33	67
26	33	67
27	32	68
28	33	67
29	33	67
30	34	66
31	35	65

	Rain chance (%)
1	45
2	45
3	44
4	44
5	43
6	42
7	41
8	40
9	38
10	37
11	36
12	35
13	34
14	34
15	33
16	33
17	33
18	33
19	34
20	34
21	35
22	36
23	37
24	37
25	38
26	39
27	40
28	40
29	40
30	41
31	40

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100