Calais weather and climate in 2024
Day
8 °C
Night
3 °C
Sea
10 °C
Precipitation
62 mm
in month
Rainy days
14 days
in month
Daylight
8 hours
average
Sunshine
2 hours
average
Humidity
90 %
Day
8 °C
Night
3 °C
Sea
10 °C
Precipitation
62 mm
in month
Rainy days
14 days
in month
Daylight
8 hours
average
Sunshine
2 hours
average
Humidity
90 %
Overview: Calais
Weather charts for Calais
We make the most from 40 years of historical weather data to predict the best weather conditions.
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Weather overview for Calais
Weather overview
Calais experiences a temperate maritime climate, where the North Sea influence brings cool summers and mild winters. January to March typically show chilly temperatures, while April starts to introduce warmer days. Temperatures can climb to an agreeable 21 °C (70 °F) in July before falling gently through the autumn months. Precipitation is spread relatively evenly throughout the year, with slightly increased rainfall during the colder months. The weather in Calais allows for layering clothes as the temperatures can vary, especially during the transitional seasons.
January weather
January in Calais kicks off the year with the brisk chill of winter air. With an average high of 7 °C (45 °F), it's essential to wear warm clothing. With a relative humidity of 90 %, the cold can feel quite biting, especially when the wind speed averages 7 m/s. There tend to be 14 of rain, ensuring a damp atmosphere.
February weather
February continues the cool trend in Calais with average high temperatures mirroring January's 7 °C (45 °F). The winds begin to calm slightly with an average speed of 7 m/s, but wet days are still frequent, numbering 10. Expect some frosty mornings with average low temperatures of 2 °C (36 °F).
March weather
With the arrival of March, Calais begins to thaw as temperatures rise to a more comfortable 10 °C (51 °F). Despite an increase in sun hours to 4 hours per day, one can expect 11 of rainfall, albeit with less volume at 40 mm (1.58 in). With the mild wind and slight warmth, a lighter jacket may suffice.
April weather
April in Calais signals the advent of spring, with average high temperatures reaching a pleasant 13 °C (55 °F). The skies clear up, granting Calais approximately 5 hours of sun each day. Expect to experience an average of 10 of rain. With a reduction in wind speed to 5 m/s, the conditions become ideal for outdoor activities.
May weather
May welcomes a modest warmth to Calais with an average high temperature of 17 °C (62 °F). Rainfall is fairly consistent, though not excessive, at 43 mm (1.69 in). On average, the city enjoys around 7 hours of sun per day. Light jackets or layered clothing are suitable for this transitional month.
June weather
June in Calais is when you can truly sense the summer's onset with an average high of 19 °C (66 °F). The sea temperature becomes more inviting, rising to 14 °C (56 °F), complemented by the peak sun hours at 7 hours per day. However, Calais still maintains its pattern of rainfall with 10.
July weather
July experiences the zenith of summer in Calais, with the thermometer reaching an average daytime high of 21 °C (70 °F). It is one of the warmest months, and the humidity settles at 80 %, ensuring a soothing breeze. Light summer attire is advised, although a raincoat is prudent with 9 of wet weather anticipated.
August weather
August in Calais mimics the warmth of July, with a consistent high of 21 °C (71 °F) being the norm. Slightly cooler sea temperatures at 17 °C (63 °F) call for some pleasant dips. With the relative humidity slightly dipping to 80 %, the weather is ideal for enjoying the outdoors. Rainfall occurs over 10, ensuring the need for an umbrella occasionally.
September weather
As September arrives, Calais begins to feel a subtle change with the average high temperature dipping to 19 °C (66 °F). September is fairly humid, and dampness can be felt in the air, thanks to 10 of rain. Light sweaters may start to come into play as the weather cools off slightly.
October weather
October sees a more pronounced shift towards autumnal weather in Calais with the high temperature averaging 15 °C (59 °F). Rainfall peaks at 72 mm (2.85 in) for the month, although the number of rainy days, 14, is consistent with the rest of the year. A warmer jacket and waterproof gear are recommended.
November weather
November in Calais is decidedly cooler, with daytime temperatures falling to a high around 11 °C (52 °F). A thick jacket becomes a necessity as the wind picks up, averaging 6 m/s. Rain is frequent, with 15 expected to be wet. The dimming daylight, with sun hours reduced to 2 hours, ushers in the early nights of winter.
December weather
The December chill in Calais brings average high temperatures down to 8 °C (46 °F), and with the wet days tallying up to 14, a waterproof coat is indispensable. The limited sun hours, at 2 hours, makes for short gloomy days.
FAQs
How should I dress for a day out in Calais in January?
Given the average high of 7 °C (45 °F) and significant humidity, dressing in layers with a waterproof outer layer would be wise for a day out in Calais during January.
Is February significantly warmer in Calais compared to January?
February is not significantly warmer in Calais compared to January, with daytime temperatures hovering around 7 °C (45 °F) on average.
Does March in Calais offer a respite from the chilly temperatures?
March in Calais does bring some respite from winter as you can enjoy slightly higher temperatures, averaging 10 °C (51 °F).
What type of weather should I expect in Calais in April?
April brings milder weather to Calais, with average highs of 13 °C (55 °F) and increased sunshine, making it enjoyable for activities outdoors
What is the average temperature I can expect in Calais during May?
During May, Calais warms up to a comfortable 17 °C (62 °F) on average, hinting at the approaching summer.
How warm does it get in Calais during June?
The warmth in Calais during June is pleasant, with daytime temperatures reaching an average high of 19 °C (66 °F).
What kind of temperatures can visitors expect in Calais in July?
Visitors can expect warm and inviting temperatures in July with a daytime average high of about 21 °C (70 °F) in Calais.
Can I expect August to be the warmest month in Calais?
August continues to offer summer warmth with an average daytime high temperature of 21 °C (71 °F), mirroring July's warmth.
What changes occur in the weather in Calais during September?
September in Calais introduces a cooler weather with an average high of 19 °C (66 °F) and a noticeable increase in humidity.
Does the temperature drop significantly in Calais during October?
Calais cools down significantly in October, with the average high temperature diminishing to 15 °C (59 °F).
As winter approaches, how does November weather change in Calais?
November weather in Calais sees a turn towards winter, with average highs dropping to 11 °C (52 °F) and shorter days due to fewer sun hours.
What sort of cold can I expect in Calais during December?
December in Calais is quite cold, with daytime temperatures averaging just 8 °C (46 °F), reinforcing the need for warm attire.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.