The climate of London
Situated in the Southwestern part of Ontario,
Canada,
London experiences a Humid Continental climate, classified as 'Dfb' under the Köppen climate classification system. This climate is characterized by significant temperature fluctuations and no dry season, with warm summers.
The city experiences an annual high-temperature average, ranging from a chilly -2.8°C (27°F) in
January to a relatively mild 25.5°C (77.9°F) in
July. Similarly, the average low temperatures span from -8.2°C (17.2°F) in January and
February to 15.4°C (59.7°F) in July. There is a consistent variation of both values through the year, indicating a broad range of weather conditions.
Rainfall is another significant feature with an even distribution amid the year, ranging from 20mm (0.79") in
March to a peak of 45mm (1.77") in July. Snowfall mostly occurs from
November to March, with the highest accumulation of 71mm (2.8") in January and no occurrences from
May to
September.
Relative humidity and cloud cover remain relatively stable throughout the year, exhibiting a range from 75% in
April and May to 88% in January and February and from 33% in July to 76% in January respectively. The city's wind speed varies from 10.4km/h (6.5mph) in July to 17.9km/h (11.1mph) in January, providing a breezy climate in most times.
The best time to visit London
For those who enjoy warm summer temperatures,
June through
August presents the most appealing weather in
London,
Canada. During these months, the average high temperatures range between 18.7°C (65.7°F) and 25.5°C (77.9°F).
July is prominently the warmest month, with an average maximum temperature of 25.5°C (77.9°F). Summer also sees extended daylight hours, yielding from 14.7 to 15.3 hours a day, ensuring ample time for outdoor activities. The rainfall during these months ranges between 29mm (1.14") and 45mm (1.77"), indicating an occasional respite from the summer heat.
The worst time to visit London
January and
February are generally deemed the least desirable times to visit
London due to harsh winter conditions. The top temperatures during these months hover around -2.8°C (27°F) to -1.7°C (28.9°F), while the low temperatures plunge to -8.2°C (17.2°F). Additionally, these months experience substantial snowfall, with January bearing the brunt at 71mm (2.8"). The daylight hours are relatively limited during winter, ranging from 9.1 hours in
December to 10.6 hours in February, restricting daylight tourism.
Spring weather in London
During the spring months from
March through
May,
London transitions from the cold winter temperatures to more moderate conditions. The high temperatures during this time rise steadily from 3.9°C (39°F) in March to 18.7°C (65.7°F) in May, providing a pleasant atmosphere. The low temperatures also see an uplift from -3.3°C (26.1°F) to 8.8°C (47.8°F) in the same period. These months mark the onset of increased daylight hours and rainfall, signifying the arrival of blooming season.
Summer weather in London
The summer period from
June through
August is characterized by overall warm weather with an average high temperature gradient of 18.7°C (65.7°F) to 25.5°C (77.9°F).
July offers the warmest climate with a high of 25.5°C (77.9°F) and a comfortable low of 15.4°C (59.7°F). Despite an increase in the amount of rainfall between 29mm (1.14") and 34mm (1.34"), summer offers the longest daylight hours ranging from 14.7 to 15.3 hours and extended sunshine hours up to 10.1 hours.
Autumn weather in London
Autumn in
London, spanning from
September through
November, is characterized by a slow drop in temperature, reduced daylight hours, and increased rainfall. This period sees a fluctuation in high temperatures from 21.3°C (70.3°F) in September to 6.5°C (43.7°F) in November, and low temperatures ranging from 11.7°C (53.1°F) to 0.6°C (33.1°F) in the same period. Rainfall increases during this season, peaking at 38mm (1.5") in
October.
Winter weather in London
Winter in
London, from
December through
February, is marked by cold temperatures, increased snowfall, and reduced daylight hours. The average high temperature drops drastically from 0.7°C (33.3°F) in December to -2.8°C (27°F) in
January, while the low temperatures vary from -3.8°C (25.2°F) to -8.2°C (17.2°F). Snowfall in this season can range from 51mm (2.01") to 71mm (2.8"), with the highest amount typically falling in January. Days in this season become shorter, with daylight hours fluctuating between 9.1 to 10.6.
Weather in January
Winter reigns supreme in
January, the first month of the year, soaking
London,
Canada in a chilly mixture of snow and rain. A profound contrast exists between the average high temperature, which sits at a frigid -2.8°C (27°F), and the average low of -8.2°C (17.2°F).
Weather in January »Weather in February
February does not offer much relief from
January's deep freeze. A minor uptick in average temperature, with the high at -1.7°C (28.9°F), saves grace. The days grow longer, nudging past 10 hours of daylight, providing a few more glimpses of the sun.
Weather in February » Weather in March
March heralds the beginning of thawing with the transition into spring. Weather conditions change noticeably compared to
February, with an average high temperature of 3.9°C (39°F). Snow gives way to rain, prompting the trees to shake off their winter slumbers and bud anew.
Weather in March »
Weather in April
April embodies the spirit of spring in
London. The moderate high average temperature of 10.7°C (51.3°F) illustrates the progression towards milder weather. Sunlight dances through the city for over 13 hours per day, marking the blossoming of life after the winter's sterile descent.
Weather in April » Weather in May
May is when
London,
Canada, truly enters its stride into warm weather, shedding the last vestiges of winter. The city heats up to an average maximum of 18.7°C (65.7°F), a veritable jump from
April's temperatures. The landscape, blooming in technicolor, is inviting, drawing people outdoors, making cities come alive with radiant energy.
Weather in May » Weather in June
June presages the arrival of summer in earnest.
London,
Canada basks in the warmth of the sun as the average high temperature ascends to 22.7°C (72.9°F). The day is experienced to the fullest with over 15 hours of daylight, which bathes the landscape in crisp, clear light.
Weather in June »
Weather in July
July is the high point of summer in
London,
Canada, serving the highest average high temperatures of 25.5°C (77.9°F). Balmy breezes sweep through the city, carrying the scents of flowering plants and green foliage. People engage in the dizzying array of summertime activities that the city has to offer.
Weather in July » Weather in August
August closely follows
July's footsteps in terms of temperature, with a high average of 24.5°C (76.1°F), signaling the continuation of summer. The weather is characterized by long daylight hours that make for ample time to enjoy outdoor activities.
Weather in August » Weather in September
September marks the shift from summer into autumn in
London. The average high temperature drops significantly to 21.3°C (70.3°F) from
August's highs, indicating summer's slow descent. Autumn hues punctuate the cityscape, painting a picturesque tableau against a golden sunset.
Weather in September »
Weather in October
October plunges deeper into fall, with much cooler temperatures, the high averages around 13.8°C (56.8°F). A noticeable chill enters the air, the dwindling temperatures are an early reminder of the upcoming winter. Fall foliage takes on richer hues, the bright crimsons and golds becoming more prominent.
Weather in October » Weather in November
November further embraces the cold as temperatures drop markedly to an average high of 6.5°C (43.7°F). The city of
London starts to consider winter preparations earnestly. Most of the leaves have fallen, revealing bare trees that stand in stark contrast to November's often grey skies.
Weather in November » Weather in December
December welcomes the cold embrace of winter once again, with a high temperature average of only 0.7°C (33.3°F). Snowflakes return to
London's weather scene, covering the city in a layer of winter's blanket. The city settles into a quieter rhythm, the frenzied pace of summer and fall replaced by the slow, steady beat of winter.
Weather in December »