The best times to visit Bristol for ideal weather are

June 11th to September 30th

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

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Weather in Bristol

Temperature

Average temperatures in Bristol 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 25th 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 Bristol, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 71.6°F (22°C) with temperatures rarely dropping below 52.7°F (11.5°C) at night.

Bristol Temperatures (Fahrenheit)

Key
High
Average
Low

Bristol Temperatures (Celsius)

Key
High
Average
Low

“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.

Bristol Perceived Temperature (F)

Key
High
Average
Low

Bristol Perceived Temperature (C)

Key
High
Average
Low

 

Average Bristol 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 46.1 41.6 33.6
Feb 47 41.7 33.8
Mar 51.5 44.5 35.8
Apr 58.2 49.7 39.5
May 62 54.2 43.6
Jun 67.4 59.4 48.8
Jul 70.2 62.3 51.5
Aug 68.3 61.3 52.1
Sep 65.4 57.9 47.7
Oct 59.4 53.2 43.1
Nov 51.8 47.1 39.4
Dec 47 42.4 35.8

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 7.8 5.3 0.9
Feb 8.3 5.4 1
Mar 10.8 6.9 2.1
Apr 14.6 9.8 4.2
May 16.7 12.3 6.4
Jun 19.7 15.2 9.3
Jul 21.2 16.8 10.8
Aug 20.2 16.3 11.2
Sep 18.6 14.4 8.7
Oct 15.2 11.8 6.2
Nov 11 8.4 4.1
Dec 8.3 5.8 2.1


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Bristol are September, April, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid April. For example, on the week of April 9th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in mid January with an average of 3 days of significant precipitation the week of January 15th.

When can you find snow in Bristol? Weather stations report very large amounts of snow likely to be deepest around November, especially close to early November. The best time to ski (if at all) in Bristol is often around around January 15th 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.

Chanceof Precipitation

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

Key
Days with precipitation

Snow on the Ground

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

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 34% 9.1 3.5
Feb 26% 5.7 2.4
Mar 16% 0.8 1.5
Apr 16% 1.6 1.3
May 21% 0 2.4
Jun 23% 0 2.3
Jul 24% 0.4 3.1
Aug 28% 0 3.1
Sep 15% 0 2
Oct 26% 0 2.8
Nov 37% 20.7 3.9
Dec 29% 1.1 3.2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 34 23.1 8.9
Feb 26 14.5 6.1
Mar 16 2 3.8
Apr 16 4.1 3.3
May 21 0 6.1
Jun 23 0 5.8
Jul 24 1 7.9
Aug 28 0 7.9
Sep 15 0 5.1
Oct 26 0 7.1
Nov 37 52.6 9.9
Dec 29 2.8 8.1

 

Humidity and Wind

Bristol has some extremely humid months, and above average humidity throughout the year. The least humid month is April (66.5% relative humidity), and the most humid month is November (83%).

Wind in Bristol is usually moderate. The windiest month is January, followed by May and December. January’s average wind speed of around 9.6 knots (11 MPH or 17.7 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid May where average top sustained speeds reach 17 knots, which is considered a fresh breeze.

Relative Humidity (%)

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

Key
Avg. Relative Humidity

Wind

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

Key
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 9.6 Gentle breeze 15.8 Significant breeze
Feb 8.6 Gentle breeze 14.2 Significant breeze
Mar 8.5 Gentle breeze 14.3 Significant breeze
Apr 8.2 Gentle breeze 13.7 Significant breeze
May 9.1 Gentle breeze 14.9 Significant breeze
Jun 8.3 Gentle breeze 13.9 Significant breeze
Jul 8.4 Gentle breeze 14.2 Significant breeze
Aug 7.9 Gentle breeze 13.5 Significant breeze
Sep 7.4 Gentle breeze 12.5 Significant breeze
Oct 7.7 Gentle breeze 12.9 Significant breeze
Nov 8.4 Gentle breeze 14.2 Significant breeze
Dec 9.1 Gentle breeze 15.2 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 82.4%
Feb 79.2%
Mar 71.4%
Apr 66.5%
May 67.3%
Jun 66.7%
Jul 68%
Aug 72.4%
Sep 73.1%
Oct 78.5%
Nov 83%
Dec 82.4%

 

Is it Safe to Travel to Bristol?

Our best data indicates this area is somewhat safe. As of Jan 18, 2018 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


 

The Busiest and Least Crowded Months

The busiest month for tourism in Bristol, the United Kingdom is August, followed by July 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 Bristol 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

Key
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 67.4 in November means 67.4% of the tourists vs. August.


Overall Bristol Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 65.1°F (18.4°C) and 48.9°F (9.4°C) with warmer temperatures in the later months. Rain is somewhat common with 5 to 6 days of significant precipitation per month. Spring is the slowest for tourism, which makes it a good time for those looking for deals.

Summer (June through August)

The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see moderate precipitation with 7 to 9 days of precipitation per month. June – August is the busiest season for tourism in Bristol, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 67.2°F (19.6°C) and 47.4°F (8.6°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 4 to 11 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.

Winter (December through February)

Weather is too cold this time of year in Bristol to be enjoyable for warm weather travelers. The average high during this season is between 49°F (9.4°C) and 44.4°F (6.9°C). On average, it rains or snows a fair amount: 7 to 11 times per month. These times of year are fairly slow with tourists.

 

Best Times to Travelthe United Kingdom › Bristol, the United Kingdom

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