London and Paris both have striking similarities. They make to the list of world’s most-visited cities. Summer is the best time for travelers in both cities. They are a major hub for economic, entertainment and fashion in the world.
If you are planning a holiday to either of the cities and looking for information as what time would be the best for your trip, you have come to the right place. Get a month by month details on temperature, rainfall, sunshine, snow and other climatic factors that might influence your travel experience.
The best time to visit London
The best time to visit London spans across spring, summer, and autumn: the period from mid-May to mid-September is pleasant with warm temperatures and long days. The temperature floats between 50°F (10°C) and 80.1°F (26.7°C).

1. Weather in May
May marks the beginning of spring-blooming buds and blossoming flowers. The day hour duration could be as long as 16 hours but the sunshine hours stay around 6.4 hours. The temperature stays in the high of 40s and low of 60s degree Fahrenheit. The weather is perfect for exploring the Thames River through the endless available options of cruises, boats, and tours.
Related Post: 10 Best Things To Do In London England
2. Weather in June
The month with the longest days is June (Average daylight: 17h). The average high temperature in June hovers around the 70s degree Fahrenheit. The average sunshine hour increases to 6.8 hours. The time is perfect for exploring top attractions in London and enjoying cruises, boats, and tours.
3. Weather in July
July is the hottest month of the year. The average temperatures hover in 13.9°C (57°F) to 23.3°C (73.9°F) range. Despite extended day hours up to 16 hours, evenings are comfortable. The core area of the city warms up to 9° more than the surroundings due to the urban heat island effect. The crowd swells in summer. If you are booking a flight to London in July, take note of the weather conditions as unexpected storms and floods are common during the month.
4. Weather in August
August is warm with mostly bright skies in London. However, frequent showers in the afternoon are the norm. The rarely heavy rainfall measures around 48.3mm (1.9″). The upper temperature hovers around the 70s° while the lower remains in highs of 50s.
5. Weather in September
September marks the beginning of the wonderful autumn season in London. Clouds gather in the sky at a quicker rate after the passage of summer. Temperatures are in the range of 11.1°C (52°F) to 19.4°C (66.9°F) with many sunny days. The number of rainy days could be 76 to 8 during the month.
The Best Time to Visit Paris
Though Paris is an all-year-round destination, summer (between May and July) is the best time to visit Paris. Warm and pleasant weather entices travelers to enjoy an array of outdoor activities.

1. Weather in May
May is one of the least humid months of the year with an average relative humidity of 70%, making the journeys throughout Paris more comfortable. The average high temperature in May is 19.6°C. The average low temperature in May: 10.9°C. The month with the highest average low temperature in July (15.8°C). The coldest month (with the lowest average low temperature) is January (2.7°C).
Related Post: Top Places To Visit In Paris
2. Weather in June
The average high and low temperature is 72.86°F (22.7°C) and 56.84°F (13.8°C) respectively. These warm, pleasant temperatures mark the onset of summer and can increase during the day but remain within a pleasant range. Extremely high temperatures in Paris are very rare.
3. Weather in July
July remains the hottest month in Paris. Temperatures swing between 60.8°F (16°C) and 77°F (25°C). July witnesses extended day hour. The sunsets as late as 10 pm. Carry an umbrella during the tour as most days get very wet in the afternoons.
Before booking a flight to London, Paris or any other destination, it’s important to know the weather of the place you will arrive at. Cheapfaremart provides a 14-day weather forecast to all global destinations.