The climate of Basel
Basel, situated in
Switzerland, is dominated by the Cfb climate of the Köppen classification, known as the marine west coast with warm summers. The geographical position of the city contributes to its moderate, yet variable, weather conditions throughout the year.
A closer look at the climatological data reveals a noticeable cycle in yearly weather patterns. Temperatures range from a low of -1.1°C (30°F) in winter to a high of 25.3°C (77.5°F) in the balmy summer months. Humidity stays relatively steady, fluctuating between 68% and 82% across the months. Rainfall patterns reflect a similar consistency, with the peak at 99mm (3.9") in
May and the lowest in
February, reporting 45mm (1.77"). The city receives snowfall mainly from
December to February, with levels reaching a maximum of 115mm (4.53") in February. Basel experiences an average of 2.3 hours of sunshine in
January, progressing to a high of 7.2 hours in
July.
Unique weather patterns emerge when evaluating these parameters in closer detail. The summer months, from
June to
August, witness the highest temperatures. These months also coincide with longer daylight hours, topping out at nearly 16 hours in June. Contrarily, the winter months of December to February experience the lowest temperatures, least amount of sunshine, and highest levels of snowfall, rendering them the most challenging months weather-wise in Basel.
The best time to visit Basel
Considering the climatic conditions, the most suitable period to visit
Basel is between
May and
September. The city during this time is characterized by pleasant weather conditions, displaying a nice blend of mild temperatures ranging from 15.2°C (59.4°F) to 24.7°C (76.5°F), manageable humidity levels between 70% and 72%, and an adequate amount of sunshine from 5.7 hours to 7.2 hours daily. Though the rainfall is frequent during this period, the warm temperatures and long daylight hours make sightseeing a thoroughly enjoyable experience.
The worst time to visit Basel
The least advisable time to plan a visit to
Basel would be during the winter, from
December to
February. The city witnesses its lowest temperatures during this period, falling to a minimum of -1.1°C (30°F). Moreover, daylight hours are limited, offering only 8.5 hours in December with as little as 1.7 hours of sunshine. These conditions, accompanied by steady snowfall peaking at 115mm (4.53") in February, can make outdoor activities difficult and less enjoyable.
Spring weather in Basel
Spring in
Basel, extending from
March to
May, ushers in a transition phase in the weather. The temperatures show an upward trend, from 11.2°C (52.2°F) to 19.6°C (67.3°F). Rainfall begins to increase, reaching its annual high of 99mm (3.9") in May. Sunshine hours also improve, resulting in longer daylight hours, topping at 15.1 hours by the end of spring.
Summer weather in Basel
Summer in
Basel, which spans from
June to
August, enjoys the most amicable weather conditions. The period is characterized by peak temperatures ranging from 22.9°C (73.2°F) in June to a high of 25.3°C (77.5°F) in
July. The longest daylight hours, extending to 15.9 hours in June, are evidence of the vibrant summer. Despite the rainfall levels hovering between 86mm (3.39") and 91mm (3.58"), the ample sunshine makes it the most desirable time to be in Basel.
Autumn weather in Basel
The Autumn months of
September to
November signal the onset of cooler temperatures. Gradually declining from 20.3°C (68.5°F) in September to 8.7°C (47.7°F) in November, the period also experiences shorter daylight hours dwindling from 12.6 hours to 9.3 hours. The rainfall observed between 78mm (3.07") to 59mm (2.32") along with decreasing sunlight hours marks the progression towards winter.
Winter weather in Basel
Winter in
Basel brings the lowest temperatures of the year ranging from 5.2°C (41.4°F) in
December to -1.1°C (30°F) in
January. Combined with shorter daylight hours, reaching a low of 8.5 hours in December, the period experiences heavier snowfall with
February showing a peak of 115mm (4.53"). With minimal sunshine, only 1.7 hours in December and 2.3 hours in January, the winter season exhibits the harshest weather conditions in Basel.
Weather in January
January in
Basel,
Switzerland is characterized by its cold temperatures, with the month's high generally reaching 4.5°C (40.1°F) and the low plummeting to -1.1°C (30°F). Relative humidity generally hovers around 81%, providing a crisp chill to the air.
Weather in January » Weather in February
February remains predominantly cool, though there is a slight increase in average temperatures compared to
January.
Basel's weather this month sees its lowest temperatures rising to -0.5°C (31.1°F) and the highest reaching 6.4°C (43.5°F).
Weather in February » Weather in March
March marks the beginning of
Basel's transition from winter to spring. The relative humidity goes down to around 70% as the temperatures rise to an average high of 11.2°C (52.2°F). The snowfall lessens considerably, signaling the end of the winter season.
Weather in March »
Weather in April
Despite the rainy weather,
April in
Basel sees a noticeable rise in temperatures, with the lowest averaging at 5.1°C (41.2°F) and highest at 15.2°C (59.4°F). Though rainfall increases to 64mm (2.52"), it's a welcome sight as it breathes life into Basel's lush landscapes.
Weather in April »Weather in May
In
May,
Basel begins to truly feel like spring with temperatures typically peaking at 19.6°C (67.3°F). The increased rainfall, peaking at 99mm (3.9"), nourishes the verdant sceneries that abound in Basel during this time of the year.
Weather in May »Weather in June
June brings the advent of summer in
Basel. Temperatures reach their second-highest level for the year, with the month's high commonly hitting 22.9°C (73.2°F). The level of rainfall decreases in comparison to
May, giving room for more sunshine-filled days.
Weather in June »
Weather in July
July is the pinnacle of summer in
Basel,
Switzerland, with average high temperatures reaching 25.3°C (77.5°F), the highest throughout the year. The decrease in rainfall contributes to the pleasant summer conditions, perfect for exploring the city.
Weather in July » Weather in August
August maintains the warmth of the summer season, though temperatures slightly drop from
July's peak to an average high of 24.7°C (76.5°F). The month bears witness to a slightly lower amount of rainfall compared to July. Despite the shorter daylight hours, the city remains bathed in ample sunlight.
Weather in August » Weather in September
September signifies the advent of the autumn season in
Basel, marked by a decrease in average high temperatures to 20.3°C (68.5°F). It's also a month where rainfall experiences a decrease compared to
August. As autumn colors start to show, daylight hours and sunshine duration both decline.
Weather in September »
Weather in October
October in
Basel witnesses a more noticeable change in weather as autumn progresses, with temperatures continuing to cool. A trend of cooler temperatures ushers in the late autumn season, preparing Basel for the forthcoming winter.
Weather in October » Weather in November
November is characterized by colder temperatures in
Basel, with the expected high temperature falling to 8.7°C (47.7°F). Rainfall begins to recede from
October levels, providing marginally drier days. The shorter days and decreasing sunshine hours further accentuate the winter's arrival.
Weather in November » Weather in December
December in
Basel takes a drastic turn as winter hits in full swing, with average high temperatures reaching a mere 5.2°C (41.4°F). Frequent snowfall, averaging 85mm (3.35"), turns the city into a winter wonderland, painting a beautiful white over Basel.
Weather in December »