The best times to visit London for ideal weather are

April 2nd to June 3rd

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

 

 


Other London Travel Info

Weather in London

Temperature

Average temperatures in London vary drastically. Considering humidity, temperatures feel nice some of the year, but often too hot in the summer and cold in the winter with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 28th 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 London, the hottest months are July, June, and then August. See average monthly temperatures below. The warmest time of year is generally early to mid July where highs are regularly around 91.3°F (32.9°C) with temperatures rarely dropping below 69.8°F (21°C) at night.

London Temperatures (Fahrenheit)

Key
High
Average
Low

London 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.

London Perceived Temperature (F)

Key
High
Average
Low

London Perceived Temperature (C)

Key
High
Average
Low

 

Average London 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 44.7 33.9 24.9
Feb 46.7 35.8 26.4
Mar 59 47.2 36.9
Apr 72 59.3 47.6
May 80.1 68.3 56.6
Jun 88.6 76.8 65.5
Jul 90.4 78.8 68.2
Aug 89.2 76.7 65.2
Sep 82.5 69 57.4
Oct 72.7 58 45.4
Nov 58 46.3 35.7
Dec 48.9 39.4 31.2

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 7.1 1.1 -3.9
Feb 8.2 2.1 -3.1
Mar 15 8.4 2.7
Apr 22.2 15.2 8.7
May 26.7 20.2 13.7
Jun 31.4 24.9 18.6
Jul 32.4 26 20.1
Aug 31.8 24.8 18.4
Sep 28.1 20.6 14.1
Oct 22.6 14.4 7.4
Nov 14.4 7.9 2.1
Dec 9.4 4.1 -0.4

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in London are January, August, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid January. For example, on the week of January 15th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid August with an average of 3 days of significant precipitation the week of August 6th.

When can you find snow in London? 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 London.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in London (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 12% 0 3
Feb 17% 0 2.5
Mar 23% 0 4.6
Apr 27% 0 7.4
May 21% 0 4.7
Jun 21% 0 5.3
Jul 19% 0 3.6
Aug 15% 0 2.5
Sep 18% 0 5.2
Oct 18% 0 2.3
Nov 22% 0 5.4
Dec 22% 0 3.6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 12 0 7.6
Feb 17 0 6.4
Mar 23 0 11.7
Apr 27 0 18.8
May 21 0 11.9
Jun 21 0 13.5
Jul 19 0 9.1
Aug 15 0 6.4
Sep 18 0 13.2
Oct 18 0 5.8
Nov 22 0 13.7
Dec 22 0 9.1

 

Humidity and Wind

London has some very humid months, with other comfortably humid months. The least humid month is April (57.5% relative humidity), and the most humid month is December (71.2%).

Wind in London is usually calm. The windiest month is April, followed by February and March. April’s average wind speed of around 7.8 knots (9 MPH or 14.5 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 April 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 London.

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 7.2 Gentle breeze 14.5 Significant breeze
Feb 7.8 Gentle breeze 15.1 Significant breeze
Mar 7.6 Gentle breeze 14.8 Significant breeze
Apr 7.8 Gentle breeze 16 Significant breeze
May 6.7 Light breeze 13.9 Significant breeze
Jun 5.7 Light breeze 13.1 Significant breeze
Jul 4.3 Light breeze 11.1 Significant breeze
Aug 3.6 Barely noticeable 9.7 Gentle breeze
Sep 4.2 Light breeze 10 Significant breeze
Oct 5.6 Light breeze 12.3 Significant breeze
Nov 6.8 Light breeze 13.6 Significant breeze
Dec 6.7 Light breeze 13 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 61.2%
Feb 60%
Mar 60.4%
Apr 57.5%
May 61.3%
Jun 61.7%
Jul 66.5%
Aug 66.9%
Sep 66%
Oct 59%
Nov 61.9%
Dec 71.2%

 

Is it Safe to Travel to London?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 23, 2019.


 

The Busiest and Least Crowded Months

The busiest month for tourism in London, KY, US is June, followed by July and April. 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 London 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 extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 40.4 in November means 40.4% of the tourists vs. June.

 

 

Overall London Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 84.4°F (29.1°C) and 49.6°F (9.8°C) with warmer temperatures in the later months. Rain is somewhat common with 7 to 8 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 very comfortable weather with high temperatures that are quite warm. These months see moderate precipitation with 4 to 6 days of precipitation per month. June – August is the busiest season for tourism in London, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 86.8°F (30.4°C) and 51.8°F (11°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 5 to 6 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 London to be enjoyable for warm weather travelers. The average high during this season is between 49.9°F (9.9°C) and 42.2°F (5.7°C). On average, it rains or snows a fair amount: 4 to 7 times per month. These times of year are fairly slow with tourists.

 

Best Times to Travelthe United States › London, KY, US