St Austell weather in January

In January, St Austell sees average daytime highs of 9°C and overnight lows near 6°C, with 86 mm of precipitation across 14.4 wet days and about 8.3 hours of daylight. It is the 11th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 9°C through the month. The sky is clear or mostly clear about 13% of the time in January, and the air most often feels dry.

Daylight stretches from about 7 h 54 min at the start of January to 8 h 54 min by month's end. Set against the rest of the year, January is St Austell's 12th-clearest and 1st-windiest month. For the whole year in context, see St Austell's year-round climate.

Daytime high
11th warmest
Overnight low
2nd coldest
Precipitation
86 mm
14.4 wet days
Daylight
8 h 18 min
8:21 AM – 4:36 PM
Cloud cover
75%
12th clearest
Wind
23 km/h
1st windiest
Solar energy
0.89 kWh/m²
Travel score
1.6
out of 10

St Austell is town in Cornwall, England, UK.

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 9°C through the month.

A typical January day in St Austell reaches about 9°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 6°C and 12°C. Set against its neighbours, January runs on par with December and on par with February.

10°15°151015202531
Avg high (°C)Avg low (°C)
196
296
396
496
596
696
796
896
996
1096
1196
1296
1396
1496
1596
1696
1796
1896
1996
2095
2195
2295
2395
2495
2595
2695
2795
2895
2995
3095
3195

St Austell weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan / 8614.48.31.6
Feb / 6811.79.71.6
Mar10° / 6411.811.52.1
Apr12° / 6612.413.52.9
May14° / 6311.415.24.0
Jun17° / 12°6311.416.15.1
Jul19° / 14°6310.615.75.9
Aug19° / 14°6711.114.35.8
Sep17° / 13°5810.212.45.4
Oct14° / 11°9013.510.53.8
Nov12° / 9114.48.82.6
Dec10° / 91147.91.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22476
32476
42476
52575
62575
72575
82674
92674
102674
112773
122872
132872
142872
152872
162971
172971
182971
192971
202872
212773
222773
232674
242674
252674
262674
272575
282575
292575
302575
312575

Chance of precipitation in January

Any precipitation

St Austell gets around 86 mm of rain and snow over 14.4 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 46% and peaks near 50% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
248
348
448
548
649
749
849
950
1050
1150
1250
1350
1450
1549
1649
1748
1847
1946
2045
2145
2244
2343
2442
2541
2641
2740
2840
2940
3040
3141

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

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

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 23 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 22 km/h on the calmest days to 24 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
124breezy
224breezy
324breezy
424breezy
524breezy
624breezy
724breezy
824breezy
924breezy
1024breezy
1124breezy
1224breezy
1323breezy
1423breezy
1523breezy
1623breezy
1723breezy
1823breezy
1923breezy
2023breezy
2123breezy
2223breezy
2323breezy
2423breezy
2522breezy
2622breezy
2722breezy
2822breezy
2922breezy
3022breezy
3122breezy

Sunrise & sunset in January

DaylightNight

Daylight runs from about 7 h 54 min at the start of January to 8 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over January. Sunrise moves from 8:26 AM to 8:05 AM, and sunset from 4:18 PM to 5:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.98:264:18
27.98:264:19
37.98:264:20
47.98:264:21
57.98:264:22
68.08:254:23
78.08:254:25
88.08:254:26
98.08:244:27
108.18:244:28
118.18:244:29
128.18:234:31
138.28:234:32
148.28:224:33
158.28:214:35
168.38:214:36
178.38:204:38
188.38:194:39
198.48:184:40
208.48:174:42
218.48:174:43
228.58:164:45
238.58:154:47
248.68:144:48
258.68:134:50
268.78:114:51
278.78:104:53
288.88:094:55
298.88:084:56
308.98:074:58
318.98:055:00

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.89 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 — January's 0.89 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.7Dim
20.7Dim
30.7Dim
40.8Dim
50.8Dim
60.8Dim
70.8Dim
80.8Dim
90.8Dim
100.8Dim
110.8Dim
120.8Dim
130.8Dim
140.9Dim
150.9Dim
160.9Dim
170.9Dim
180.9Dim
190.9Dim
200.9Dim
211.0Dim
221.0Dim
231.0Dim
241.0Dim
251.0Dim
261.1Dim
271.1Dim
281.1Dim
291.1Dim
301.1Dim
311.2Dim
Planning a trip in January

Is January a good time to visit St Austell?

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

1.6
Sightseeing
11th-best month of the year
0.0
Beach & pool
7th-best month of the year

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

What to pack for St Austell in January

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

In January, St Austell sees daytime highs around 9°C and nights near 6°C. Pack a warm layer and rain gear. Worth having: a windbreaker. About 14 days see rain.

a warm layerrain geara windbreaker

Sea temperature near St Austell in January

The nearest coast averages about 10°C in January — 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.

10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan10Bracing
Feb10Bracing
Mar9Bracing
Apr10Bracing
May12Bracing
Jun14Bracing
Jul16Cool
Aug17Cool
Sep16Cool
Oct15Bracing
Nov13Bracing
Dec11Bracing

UV index in St Austell in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 13UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr5Moderate
May6High
Jun6High
Jul6High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
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
16 km
362 m
80 km
613 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January 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
Christian 60%none 26%Muslim 4%other 2%

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).