The best times to visit St Austell for ideal weather are

May 7th to October 14th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other St Austell Travel Info

Weather in St Austell


Average temperatures in St Austell vary somewhat. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 35th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit St Austell, the hottest months are August, July, and then June. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 67°F (19.4°C) with temperatures rarely dropping below 56.3°F (13.5°C) at night.

St Austell Temperatures (Fahrenheit)


St Austell Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

St Austell Perceived Temperature (F)


St Austell Perceived Temperature (C)



Average St Austell Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 50.6 47.4 43.1
Feb 50.4 46 41.2
Mar 50.7 46.2 41.1
Apr 56.2 50 44
May 60.8 55 49.7
Jun 62.9 57.7 52.8
Jul 63.5 59.1 54.8
Aug 64.7 59.9 55.6
Sep 62.9 57.5 52.4
Oct 58.2 53.3 48.1
Nov 52.4 48.7 44.5
Dec 49.9 46.4 41.7

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 10.3 8.6 6.2
Feb 10.2 7.8 5.1
Mar 10.4 7.9 5.1
Apr 13.4 10 6.7
May 16 12.8 9.8
Jun 17.2 14.3 11.6
Jul 17.5 15.1 12.7
Aug 18.2 15.5 13.1
Sep 17.2 14.2 11.3
Oct 14.6 11.8 8.9
Nov 11.3 9.3 6.9
Dec 9.9 8 5.4



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in St Austell are September, April, and then October. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early April. For example, on the week of April 2nd there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early December with an average of 6 days of significant precipitation the week of December 3rd.

When can you find snow in St Austell? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in St Austell.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in St Austell (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 39% 0 3.8
Feb 33% 0 3.6
Mar 37% 0 3.8
Apr 15% 0 1.3
May 34% 0 4.6
Jun 25% 0 2.6
Jul 40% 0 4.5
Aug 37% 0 3.1
Sep 13% 0 1.5
Oct 24% 0 3.4
Nov 28% 0 2.8
Dec 38% 0 4.2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 39 0 9.7
Feb 33 0 9.1
Mar 37 0 9.7
Apr 15 0 3.3
May 34 0 11.7
Jun 25 0 6.6
Jul 40 0 11.4
Aug 37 0 7.9
Sep 13 0 3.8
Oct 24 0 8.6
Nov 28 0 7.1
Dec 38 0 10.7


Humidity and Wind

St Austell has some extremely humid months, and high humidity throughout the year. The least humid month is April (72.2% relative humidity), and the most humid month is July (82.4%).

Wind in St Austell is usually moderate. The windiest month is January, followed by December and March. January’s average wind speed of around 14.6 knots (16.8 MPH or 27.1 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early December where average top sustained speeds reach 29.4 knots, which is considered high wind or moderate gale winds.

Relative Humidity (%)

The graph below shows the average % humidity by month in St Austell.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 14.6 Significant breeze 21.7 Strong breeze
Feb 11.7 Significant breeze 18.9 Strong breeze
Mar 12.6 Significant breeze 19.3 Strong breeze
Apr 8.2 Gentle breeze 13.4 Significant breeze
May 9.4 Gentle breeze 14.6 Strong breeze
Jun 9.1 Gentle breeze 14.3 Significant breeze
Jul 10.4 Gentle breeze 15.6 Strong breeze
Aug 9.8 Gentle breeze 14.8 Significant breeze
Sep 8.2 Gentle breeze 13.4 Strong breeze
Oct 8.5 Gentle breeze 13.9 Significant breeze
Nov 9.4 Gentle breeze 15 Strong breeze
Dec 14.1 Significant breeze 20.2 Strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 78.2%
Feb 80.6%
Mar 72.9%
Apr 72.2%
May 75.4%
Jun 79.8%
Jul 82.4%
Aug 81.3%
Sep 77%
Oct 79%
Nov 79.7%
Dec 78.3%


Is it Safe to Travel to St Austell?

Our best data indicates this area is somewhat safe. As of Dec 04, 2023 there are travel warnings for the United Kingdom; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Nov 27, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in St Austell, the United Kingdom is July, followed by May and September. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit St Austell in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is somewhat extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 39.7 in November means 39.7% of the tourists vs. July.



Overall St Austell Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 62.8°F (17.1°C) and 48.5°F (9.2°C) with warmer temperatures in the later months. Rain is somewhat common with 5 to 11 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have comfortably cool weather with high temperatures that are brisk. These months see moderate precipitation with 8 to 12 days of precipitation per month. June – August is the busiest season for tourism in St Austell, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 64.1°F (17.8°C) and 50.3°F (10.2°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 4 to 8 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is too cold this time of year in St Austell to be enjoyable for warm weather travelers. The average high during this season is between 54.6°F (12.6°C) and 45.6°F (7.6°C). On average, it rains or snows a great amount: 9 to 12 times per month. These times of year are fairly slow with tourists.


Best Times to Travelthe United Kingdom › St Austell, the United Kingdom