April Weather in Calais, France

Last updated: February 26, 2025

April in Calais, France presents a delightful mix of springtime weather, where temperatures range from a minimum of 3°C (37°F) to a maximum of 18°C (66°F), with an average temperature resting at a comfortable 9°C (49°F). Residents and visitors alike can expect occasional rain, as the month records about 28 mm (1.1 in) of precipitation over 7 days, contributing to a humidity level of approximately 85%. This blend of cooler winds and refreshing showers brings a vibrant feel to the city, perfect for enjoying the blooming landscapes and captivating coastal views.

April Temperature in Calais

In April, Calais, France begins to shake off the chill of winter, welcoming milder temperatures that hint at the approaching spring. The month sees a noticeable shift, with minimum temperatures rising to 3°C (37°F) and averaging 9°C (49°F), comfortably above the harsh lows of earlier months. Daytime maxima can reach up to 18°C (66°F), making it a delightful time to explore the coastal town. As the month progresses, the dramatic increase in warmth lays the groundwork for the summer months ahead, setting a cheerful tone for outdoor activities and blooming landscapes.

April Weather in Calais: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Calais, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434446495460646562575046
Data source: Temperature data for Calais generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Calais

April in Calais, France, brings a notable shift in precipitation patterns, showcasing a significant decrease in rainfall compared to the preceding months. With only 28 mm (1.1 in) of precipitation, April stands out with just 7 rainy days, marking it as one of the driest months in the year. This contrasts sharply with January's 75 mm (2.9 in) across 12 days and a wetter March at 63 mm (2.5 in) over 14 days. The light showers of April pave the way for a more pleasant spring, cushioning the transition towards the wetter months ahead. As the year unfolds, May experiences a slight increase in precipitation, reflecting the typical pattern of rising moisture as summer approaches.

April Precipitation Trends in Calais

The chart displays monthly precipitation patterns in Calais, with values for each month alongside April's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec75676328606248746511890133
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Calais

In April, Calais experiences a slight dip in humidity, settling at 85%, a continuation of the gradually decreasing trend observed since January's high of 91%. This month marks a subtle shift towards drier conditions as spring unfolds, with humidity further decreasing into May at 82%. The warmer months, particularly July and August, showcase a more significant decline, with levels dropping to 76% and 73%, respectively. As the year progresses into autumn and winter, humidity levels rebound, emphasizing the seasonal fluctuation experienced in this northern French coastal city. Overall, April reflects the transition toward drier, milder conditions, setting the stage for the warmer months ahead.

April Average Humidity in Calais

This chart illustrates the average monthly humidity levels in Calais, with April's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how April's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%82%81%76%73%80%89%92%92%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Calais

As April rolls into Calais, France, the UV Index sees an increase to 5, indicating a moderate exposure category. This marks a noticeable shift from the earlier months, where the UV Index hovered at a low level during winter. With a burn time of just 30 minutes, it’s essential to start taking precautions against sun exposure, particularly as we head into the sunnier days of May, where the index will rise even further to 7. The trend shows a clear transition into more intense sunlight, urging residents and visitors alike to stay vigilant to protect their skin. For more details on upcoming UV levels, check out Calais UV Index.

Maximum UV Index Levels in Calais for April

The chart shows the monthly maximum UV Index (UVI) for Calais in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Calais April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

April Sunshine in Calais

April in Calais, France, is a month of vibrant transformation as daylight stretches significantly, offering 352 hours of sunshine. This marks a delightful increase from the previous months, showcasing a steady climb from 128 hours in January to 284 hours in March. The transition into spring is palpable, with sunlight peeking out more frequently, lifting spirits and inviting outdoor activities. This surge in hours not only signifies a break from winter's gloom but also foreshadows the radiant warmth of May and June, where sunshine peaks at 413 and 414 hours, respectively. As the days grow longer, April beautifully encapsulates the promise of brighter times ahead in this charming coastal city.

Monthly Sunshine Duration in Calais: April Highlighted

The April sunshine duration represents the total number of hours Calais experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec128h193h284h352h413h414h420h397h326h250h208h162h
Data source: Calais April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Calais During April

As April arrives in Calais, France, the likelihood of sunny weather takes a notable leap, with a 52% chance of sunshine, marking a significant upswing from the 40% observed in March. This increase indicates a shift towards more favorable weather as spring unfolds, drawing residents and visitors alike to enjoy the blossoming landscapes. However, this surge is tempered by the fluctuations in the following months; both May and June see a decline in sunny prospects, dropping to 39% and 34%, respectively. Thus, while April shines brighter in terms of sun, it serves as a gentle reminder of the capricious nature of weather patterns as the seasons evolve.

Percentage of Sunny Days in April in Calais

The chart illustrates the percentage of sunny days in Calais throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Calais experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%28%40%52%39%34%42%39%40%30%24%18%
Data source: Calais April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Calais in April

As spring awakens in Calais, France, April marks a vibrant increase in daylight, where the sun proudly graces the sky for an average of 13 hours each day. This burgeoning increase follows the gradual progression from the winter months, starting with just 8 hours in January and steadily climbing to 11 hours by March. The longer days not only enhance the beauty of the blossoming landscape but also signal a shift towards the warm embraces of summer. By May, daylight stretches further to 15 hours, hinting at the long, sun-filled days that await. This notable trend of extended daylight not only elevates spirits but also invites residents and visitors alike to embrace the outdoors and enjoy the vibrant life that unfolds during this delightful season.

Average Daylight Hours in Calais for April

The chart illustrates the variation in daylight duration in Calais throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 29m10h 1m11h 55m13h 51m15h 33m16h 25m15h 57m14h 26m12h 34m10h 38m8h 55m7h 59m
Data source: Calais daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Calais

In Calais, France, the month of April brings a noticeable shift in wind patterns, with an average speed of 6.0 m/s (13 mph)—a decline from the brisk breezes of winter. The wind, while still present, is noticeably milder than in the preceding months, which often saw speeds reaching upwards of 7.2 m/s (16 mph). This gentle April wind marks a transitional phase as the region begins to shake off the chill of March. As the year progresses into the warmer months, the wind speeds tend to stabilize, fluctuating slightly but generally remaining softer than the gusty winter. April's winds, though subdued compared to earlier months, set the stage for the refreshing breezes of spring that will soon follow.

Average April Wind Speed in Calais

The chart displays monthly wind speed patterns in Calais, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.97.26.66.0 m/s6.34.45.36.45.27.26.37.3
Data source: Calais April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Calais Compares to Other Months

The weather in Calais changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Calais and find detailed weather information for every month.

The weather in April contrasts significantly with that of January. In April, temperatures range from a minimum of 3°C (37°F) to a maximum of 18°C (66°F), averaging around 9°C (49°F). This month sees considerably less precipitation, totaling 28 mm (1.1 in) over approximately 7 days, with humidity levels at 85%. In contrast, January experiences colder temperatures, with a minimum of -2°C (28°F) and a maximum of 13°C (56°F), averaging 6°C (44°F). This month also has higher precipitation levels, reaching 75 mm (2.9 in) over about 12 days, along with a humidity level of 91%. For more detailed information, check out Calais weather in January.

In comparing the weather between April and February, we see notable differences. April experiences milder temperatures, ranging from a minimum of 3°C to a maximum of 18°C, with an average of 9°C. In contrast, February sees colder conditions, with temperatures dipping as low as -3°C and reaching a maximum of 14°C, averaging 7°C. Additionally, February is wetter, with 67 mm of precipitation over 12 days compared to April’s 28 mm over just 7 days. Humidity levels are slightly lower in April at 85%, while February holds a higher humidity of 89%. For more details about February weather, you can visit Calais weather in February.

In comparing the weather of April and March, we see notable differences in temperature and precipitation patterns. April brings milder temperatures, with a minimum of 3°C (37°F) and an average of 9°C (49°F), while March features colder temperatures, including a minimum of -4°C (26°F) and a slightly higher average of 8°C (46°F). Interestingly, both months have a maximum temperature of 19°C (66°F). However, March is significantly wetter, recording 63 mm (2.5 in) of precipitation over 14 days, compared to April's 28 mm (1.1 in) over 7 days. Humidity levels remain quite similar, with March at 86% and April at 85%. For more detailed insights on March weather, you can check Calais weather in March.

April and May exhibit notable differences in weather patterns. In April, temperatures range from a chilly minimum of 3°C (37°F) to a pleasant maximum of 18°C (66°F), with an average of 9°C (49°F). The month experiences 28 mm (1.1 in) of precipitation over 7 days and high humidity at 85%. In contrast, May sees a rise in temperatures, with a minimum of 6°C (43°F), an average of 12°C (54°F), and a maximum of 23°C (74°F). However, it also brings increased rainfall, with 60 mm (2.4 in) of precipitation over 9 days and slightly lower humidity at 82%. For more details on May's weather, visit Calais weather in May.

April weather tends to be cooler and wetter compared to June. In April, the temperatures range from a minimum of 3°C (37°F) to a maximum of 18°C (66°F), with an average of 9°C (49°F). The month sees about 28 mm (1.1 in) of precipitation over approximately 7 rainy days and a humidity level of 85%.

In contrast, June experiences milder temperatures, with a minimum of 11°C (51°F), an average of 16°C (60°F), and a maximum reaching up to 26°C (79°F). However, it is also slightly wetter, accumulating 62 mm (2.4 in) of rainfall over 9 days, with a humidity level of 81%. For more details, you can check out Calais weather in June.

April weather is generally much cooler than that of July, with temperature ranges from a chilly 3°C (37°F) to a mild 18°C (66°F) and an average of 9°C (49°F). In contrast, July boasts significantly warmer temperatures, with a minimum of 13°C (56°F) and reaching as high as 32°C (89°F), averaging around 18°C (64°F). While April experiences relatively light rainfall of 28 mm (1.1 in) over 7 days, July sees an increase in both precipitation and rainy days, measuring 48 mm (1.9 in) over 9 days. Despite having more rainfall, July's humidity is slightly lower at 76%, compared to April's 85%. For a more detailed look at July weather, you can check Calais weather in July.

April weather in Calais is characterized by cooler temperatures, with a minimum of around 3°C (37°F) and an average of 9°C (49°F), while August enjoys much warmer conditions, with minimum temperatures of 13°C (55°F) and an average of 18°C (65°F). While April experiences relatively light precipitation of 28 mm (1.1 in) over about 7 days, August sees increased rainfall at 74 mm (2.9 in), occurring over 12 days. Additionally, April has a higher humidity level of 85%, compared to August’s 73%, making the latter month feel a bit more comfortable despite the warmth. For a detailed look at weather patterns in August, visit Calais weather in August.

April and September showcase a noticeable contrast in weather patterns. April typically experiences cooler temperatures, with a minimum of 3°C (37°F) and an average around 9°C (49°F), while September enjoys a milder climate, featuring a minimum of 11°C (51°F) and an average of 17°C (62°F). Precipitation is higher in September, with 65 mm (2.6 in) over 11 days compared to April's 28 mm (1.1 in) over 7 days. Humidity in both months remains relatively high, but April's average humidity is slightly higher at 85% compared to September's 80%. For more detailed information on September weather, visit Calais weather in September.

When comparing the weather in April and October, a noticeable shift in temperatures and precipitation patterns emerges. In April, the temperatures range from a chilly minimum of 3°C (37°F) to a pleasant maximum of 18°C (66°F), with an average of 9°C (49°F). The month experiences moderate rainfall, with about 28 mm (1.1 in) of precipitation over 7 days and humidity levels around 85%. In contrast, October showcases milder conditions, with temperatures starting at a minimum of 7°C (44°F), peaking at 22°C (72°F), and averaging 14°C (57°F). However, it also brings significantly more rain, totaling 118 mm (4.6 in) over 17 days, alongside a slightly higher humidity of 89%. For more details, you can explore Calais weather in October.

April and November share similar minimum temperatures, both hovering around 3°C (37°F), but November tends to be slightly milder with an average of 10°C (50°F) compared to April's 9°C (49°F). While both months experience cool temperatures, April offers more sunny days, boasting an average maximum of 18°C (66°F), whereas November peaks at 17°C (64°F). However, November is significantly wetter, with 90 mm (3.6 in) of precipitation over 17 days, almost triple that of April's 28 mm (1.1 in) spread over just 7 days. Humidity levels are also higher in November, at 92%, compared to April's 85%. For a detailed look at the weather in November, you can refer to Calais weather in November.

April and December present distinct weather patterns, reflecting the transition from spring to winter. In April, temperatures range from a minimum of 3°C (37°F) to a maximum of 18°C (66°F), with an average of 9°C (49°F), accompanied by moderate precipitation of 28 mm (1.1 inches) over about 7 days, and a humidity level of 85%. In contrast, December features cooler conditions, with temperatures dipping to a minimum of 0°C (33°F) and peaking at 14°C (57°F), resulting in an average temperature of 8°C (47°F). This month sees significantly higher precipitation at 133 mm (5.2 inches) over 19 days and increased humidity at 92%. For more detailed information, check out Calais weather in December.

Compare Calais's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Calais

As April unfolds in Calais, the weather marks a noticeable transition from the chill of winter to the milder embrace of spring. With temperatures gradually rising, it's a time when the daily average hovers around a comfortable 9°C, allowing for more outdoor activities. However, April also brings a fair share of rain, with precipitation occurring on about seven days, contributing to a humidity level that averages 85%. This unique blend of mild temperatures and occasional showers sets April apart from the preceding months, offering a refreshing, if somewhat unpredictable, climate. For more insights into how Calais's weather evolves throughout the year, visit Calais Climate.