The best times to visit St Saviour (Guernsey) for ideal weather are

May 28th to October 21st

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



Other St Saviour (Guernsey) Travel Info

Weather in St Saviour (Guernsey)


Average temperatures in St Saviour (Guernsey) vary somewhat. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 30th 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 Saviour (Guernsey), the hottest months are August, July, and then September. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 68.5°F (20.3°C) with temperatures rarely dropping below 57.3°F (14.1°C) at night.

St Saviour (Guernsey) Temperatures (Fahrenheit)


St Saviour (Guernsey) 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 Saviour (Guernsey) Perceived Temperature (F)


St Saviour (Guernsey) Perceived Temperature (C)



Average St Saviour (Guernsey) 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 48.1 45.1 41.4
Feb 47.6 44.2 40.4
Mar 50.2 45.8 41.5
Apr 55 49.4 44.5
May 58.7 53.3 48.5
Jun 63.4 57.7 52.5
Jul 66.8 61 56.2
Aug 66.3 61.2 56.8
Sep 64.4 59.3 54.8
Oct 59.8 56 52
Nov 54.1 51 47.6
Dec 49.7 46.7 43

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 8.9 7.3 5.2
Feb 8.7 6.8 4.7
Mar 10.1 7.7 5.3
Apr 12.8 9.7 6.9
May 14.8 11.8 9.2
Jun 17.4 14.3 11.4
Jul 19.3 16.1 13.4
Aug 19.1 16.2 13.8
Sep 18 15.2 12.7
Oct 15.4 13.3 11.1
Nov 12.3 10.6 8.7
Dec 9.8 8.2 6.1



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in St Saviour (Guernsey) are June, September, and then April. 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 is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early December with an average of 4 days of significant precipitation the week of December 3rd.

When can you find snow in St Saviour (Guernsey)? Weather stations report a good amount of seasonal snow likely to be deepest around March, especially close to early March. The best time to ski (if at all) in St Saviour (Guernsey) is often around around March 5th when fresh powder is deepest. 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 Saviour (Guernsey).

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 37% 0.7 5.1
Feb 33% 1.1 3.1
Mar 22% 3.4 2.3
Apr 17% 0 2.3
May 20% 0 2.3
Jun 16% 0 1.9
Jul 20% 0 2.6
Aug 22% 0 2.5
Sep 16% 0 2.3
Oct 31% 0 3.5
Nov 39% 0.7 4.5
Dec 39% 2.1 4.8

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 37 1.8 13
Feb 33 2.8 7.9
Mar 22 8.6 5.8
Apr 17 0 5.8
May 20 0 5.8
Jun 16 0 4.8
Jul 20 0 6.6
Aug 22 0 6.4
Sep 16 0 5.8
Oct 31 0 8.9
Nov 39 1.8 11.4
Dec 39 5.3 12.2


Humidity and Wind

St Saviour (Guernsey) has some extremely humid months, and high humidity throughout the year. The least humid month is December (78.1% relative humidity), and the most humid month is August (83.1%).

Wind in St Saviour (Guernsey) is usually stronger than many places. The windiest month is December, followed by January and November. December’s average wind speed of around 14.1 knots (16.2 MPH or 26 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 22.3 knots, which is considered a strong breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in St Saviour (Guernsey).

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 13.2 Significant breeze 19.8 Strong breeze
Feb 12.3 Significant breeze 18.2 Strong breeze
Mar 11.6 Significant breeze 17.3 Strong breeze
Apr 10.1 Gentle breeze 15.2 Significant breeze
May 10.6 Gentle breeze 16 Strong breeze
Jun 9.9 Gentle breeze 15.3 Significant breeze
Jul 10.1 Gentle breeze 15 Strong breeze
Aug 9.5 Gentle breeze 14.4 Significant breeze
Sep 9.9 Gentle breeze 14.6 Strong breeze
Oct 11 Significant breeze 16.4 Significant breeze
Nov 12.9 Significant breeze 19.2 Strong breeze
Dec 14.1 Significant breeze 20.9 Strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 81%
Feb 81.4%
Mar 80.3%
Apr 79.5%
May 81.1%
Jun 81.1%
Jul 81.5%
Aug 83.1%
Sep 80%
Oct 80.8%
Nov 79.6%
Dec 78.1%


Is it Safe to Travel to St Saviour (Guernsey)?

Our best data indicates this area is somewhat safe. As of Oct 07, 2019 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 Sep 06, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in St Saviour (Guernsey), the United Kingdom is July, followed by June and August. 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 Saviour (Guernsey) in October. 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 slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 33.2 in October means 33.2% of the tourists vs. July.



Overall St Saviour (Guernsey) Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 61.2°F (16.2°C) and 48.6°F (9.2°C) with warmer temperatures in the later months. Rain is somewhat common with 5 to 7 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 comfortable. These months see the least precipitation with 5 to 7 days of precipitation per month. June – August is the busiest season for tourism in St Saviour (Guernsey), so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 65.8°F (18.8°C) and 50.3°F (10.2°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 5 to 12 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 Saviour (Guernsey) to be enjoyable for warm weather travelers. The average high during this season is between 50.9°F (10.5°C) and 46°F (7.8°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.


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