The climate of Haarlem
Haarlem, situated in the
Netherlands, is classified under the Köppen climate system as Cfb. This category corresponds to a Marine west coast climate with warm summers. Weather patterns in this scenic city manifest in a relatively mild manner, distinctly characterized by cool to mild temperatures.
Throughout an average year, the temperature typically ranges from a low of 3.3°C (37.9°F) to a high of 19.9°C (67.8°F). This mild range illustrates the moderated climate influenced by the nearby North Sea. Relative humidity remains fairly steady from month to month, varying between 76% and 83%. A unique aspect of the climate is the consistency of the 10km (6.2mi) visibility throughout most of the year, dropping slightly to 9km (5.6mi) only in
December.
Rainfall in Haarlem is well distributed across the year, though the city receives a volume of 38mm (1.5") in
July and peaks at 48mm (1.89") in
August; These two months also hold the highest number of rainy days at 15 and 17.2 days respectively. Interestingly, this coincides with the warmest period of the year and the most abundant levels of daylight, averaging 16.2 hours in July and 14.6 hours in August.
The best time to visit Haarlem
The month of
June marks the start of the best time to visit
Haarlem, offering optimal weather conditions. Temperatures peak at a pleasant 17°C (62.6°F), and the sun shines for an average of 10.2 hours per day; the highest sunshine duration of the entire year. While rainfall is present, the showers bring a refreshing change and keep the city's parks in vibrant bloom.
July and
August bring warmer temperatures, reaching up to 19°C (66.2°F) and 19.9°C (67.8°F). In August, daylight hours reach up to 14.6 hours, providing plenty of time to experience Haarlem's rich culture, striking architecture, and beautiful canal views.
The worst time to visit Haarlem
January and
February are considered less favorable for visiting
Haarlem. During these months, temperatures can plummet to 3.6°C (38.5°F) and 3.3°C (37.9°F) respectively, and snowfall, though seldom at 6mm (0.24") and 9mm (0.35"), can present itself. The city experiences its highest wind speeds, reaching up to 26.5km/h (16.5mph) and 25.9km/h (16.1mph) during these months, adding to the perception of cold.
Moreover, these months only offer 3.5 and 4.1 hours of sunshine per day, the quantity being considerably lower compared to the rest of the year.
Spring weather in Haarlem
Spring in
Haarlem runs from
March to
May. It starts with an average high temperature of 8.2°C (46.8°F) in March and peaks at 13.9°C (57°F) by May. Nights can still be chilly at the start of the season, averaging 4.8°C (40.6°F) in March, rising to a milder 10°C (50°F) in May.
The amount of daylight increases significantly, from 11.9 hours in March to 15.8 hours in May. Furthermore, the frequency of sunshine per day enhances considerably across the season, with an average of 6.1 hours in March, extending to 8.6 hours by May.
Summer weather in Haarlem
Summer in
Haarlem is mild and inviting from
June to
August. Average temperatures hover between 17°C (62.6°F) to 19.9°C (67.8°F), and nights rarely go below 15.6°C (60.1°F). Despite being the wettest period, these showers are mostly light and do not disrupt outdoor activities.
Long daylight hours are another positive aspect of summer. The duration ranges from 16.7 hours in June to 14.6 hours in August. This period is perfect for exploring the historic city, its bustling markets, and scenic canals.
Autumn weather in Haarlem
Autumn in
Haarlem unfolds from
September to
November, marking a gradual transition in weather. Temperatures dip from 17.7°C (63.9°F) in September to a cooler 10.3°C (50.5°F) by November. Night temperatures also drop, from 14.5°C (58.1°F) in September to 8°C (46.4°F) in November.
However, the daylight hours remain generous, offering between 11.4 hours and 9.3 hours across this period. While rainfall during these months is comparable to the rest of the year, the frequency of sunny days decreases.
Winter weather in Haarlem
Winter in
Haarlem, lasting from
December to
February, is considered the off-season due to the colder temperatures ranging from a high of 7.7°C (45.9°F) to a low of 3.3°C (37.9°F). Snowfall, though minimal, ranges from 2mm (0.08") in February to 6mm (0.24") in December and
January.
Daylight hours are significantly reduced, from 8.8 hours in December to a low of 7.8 hours in January, the shortest of the year. Despite these conditions, the ambiance in and around Haarlem remains charming, making it an interesting time for those attracted to enjoy the winter scenery.
Weather in January
January's weather in
Haarlem,
Netherlands, marks the commencement of the year with temperatures dropping as low as 3.6°C (38.5°F). Crisp cold weather pervades and frosty winds affect the ambiance from time to time. Chill winter conditions are further amplified by solidified rain known as snowfall, adding a layer of white serenity to the cityscape.
Weather in January » Weather in February
The chill of
January persists in
February in
Haarlem, though the severity marginally recedes. Compared to January, the frequency of rainfall declines in February, hinting at a phase of slightly dry climate. The late-February days see the sun breaking through the clouds more frequently, an indication of the transitioning weather.
Weather in February »Weather in March
March sees the weather in
Haarlem making steady strides towards warmer conditions. As the city embraces the arrival of spring, the overpowering chill of winters recedes. The blooming floral hues complement the azure skies and longer daylight hours.
Weather in March »
Weather in April
April brings a definitive spring air to
Haarlem, with temperatures beginning to hover around 11.3°C (52.3°F). Marking a discernible departure from the cold winds of the winter months, the city basks in significantly mild weather conditions.
Weather in April » Weather in May
As
Haarlem steps into
May, the warmth in the climate escalates and mercury reaches about 13.9°C (57°F). The advance into summer is evident, accompanied by a temperate aura blended with the residual traces of spring. The daylight hours extend, presenting more sunlit time enhancing the brightness and vivacity of the city.
Weather in May »Weather in June
June signals the definitive arrival of summer in
Haarlem with temperatures peaking around a comfortable 17°C (62.6°F). Bright, sunny days dictate the mood of the city contrasting the overcast winter months. Extravagant sunlight spanning an average of 16.7 hours daily invites all for outdoor recreations and waterfront activities.
Weather in June »
Weather in July
July, the profundity of summer in
Haarlem, has the temperature soaring to a sweltering 19°C (66.2°F). Sunlight bathes the city to its fullest intensity. Open-air destinations turn vibrant, being the hub of activities, owing largely to the longest daylight hours compared to other months.
Weather in July » Weather in August
The warmth persists in
Haarlem throughout
August, the city experiencing its highest annual temperature at 19.9°C (67.8°F). Distinct summer traits continue to govern the weather, with significantly longer days and shorter nights.
Weather in August »Weather in September
In
September,
Haarlem, begins to transition away from the summer radiance, with temperatures dipping to around 17.7°C (63.9°F). Signs of autumn's arrival start emerging as leaves turn hues and fall. However, the afternoons continue to retain some warmth, creating a unique combination of conditions.
Weather in September »
Weather in October
October ushers in autumn completely in
Haarlem, as temperatures average around 14.6°C (58.3°F). Bright-hued fall foliage creates a captivating visual, enriched by the yet relatively sunlit days. A cool breeze replaces the previous summer warmth, adds a crispness to the air.
Weather in October » Weather in November
November in
Haarlem puts the city into the grip of a cold wave, as the chill in the air intensifies, the temperature falling to 10.3°C (50.5°F). The splendid fall hues start to fade, surrendering the landscape to winter’s Spartan beauty.
Weather in November » Weather in December
December brings the full force of winter to
Haarlem, with the mercury going down to 7.7°C (45.9°F). Short days and long, frosty nights become the new normal, owing to the tilt of the Earth's axis. Snowfall returns, dusting the cityscape with white and creating a sublime winter spectacle.
Weather in December » [Resources]