April Weather in Carlsbad, United States

Last updated: February 24, 2025

April in Carlsbad, United States, showcases a vibrant mix of weather patterns. With maximum temperatures reaching up to 36°C (97°F) and an inviting average of 20°C (67°F), residents and visitors bask in warm conditions ideal for outdoor activities. However, early in the month, the mercury can dip as low as 3°C (37°F), reminding us of the lingering chill of winter. The month also sees a modest total precipitation of 12 mm (0.5 in) over just one day, contributing to a humidity level of 61% that adds a comfortable freshness to the air. This transitional month beautifully blends warmth with occasional moisture, making it a delightful time to experience the charm of Carlsbad.

April Temperature in Carlsbad

April in Carlsbad marks a significant transition in temperatures as spring takes hold. With minimums averaging around 3°C (37°F), residents can finally say goodbye to the chill of winter. The average temperature climbs to a pleasant 20°C (67°F), creating a comfortable outdoor atmosphere perfect for enjoying the blooming landscape. However, the month can still bring surprises, with maximum temperatures reaching up to 36°C (97°F), hinting at the warmer months ahead. This dramatic increase from the cooler early months is indicative of the region's warming trend, making April an ideal time for both outdoor activities and appreciating the beauty of nature as it bursts into life.

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

The chart illustrates April temperature patterns in Carlsbad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec465059677784858478665548
Data source: Temperature data for Carlsbad generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Carlsbad

In April, Carlsbad experiences a precipitation total of 12 mm (0.5 inches), mirroring the rainfall seen in both January and May. With only one day of rain, April continues the trend of relatively low precipitation days seen earlier in the year. Following the blooming March, which received 24 mm (0.9 inches) of rain over three days, the transition to April suggests a brief pause in wet weather. This pattern of light, infrequent rainfall is typical for the spring season in Carlsbad, setting the stage for the more substantial showers expected in the coming months of June and August. Overall, the overall precipitation trend indicates a gradual build-up leading to the summer, while April maintains its characteristic mildness.

April Precipitation Trends in Carlsbad

The chart displays monthly precipitation patterns in Carlsbad, 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.
JanFebMarAprMayJunJulAugSepOctNovDec12112412112923342931167
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Carlsbad

In April, Carlsbad experiences a continued decline in humidity, matching March's levels at 61%. This slight decrease marks a shift from the higher humidity common in the winter months, where levels hovered around 75% in January and 74% in February. As the spring unfolds, this trend not only illustrates a transition to warmer weather but also sets the stage for the gradual rise in humidity that follows in May and June, which see increases to 67% and 69%, respectively. The fluctuation throughout the year emphasizes Carlsbad's distinct seasonal changes, where April stands out as a pivotal moment of balance before the humidity begins to rise again.

April Average Humidity in Carlsbad

This chart illustrates the average monthly humidity levels in Carlsbad, 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.
JanFebMarAprMayJunJulAugSepOctNovDec75%75%61%61%67%69%69%66%71%71%82%80%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Carlsbad

As April arrives in Carlsbad, the UV Index surges to a striking 12, placing it in the extreme exposure category. This marks a continuation of the upward trend seen since February, when the UV Index first hit 7. In March, residents experienced a very high 10, but April's extreme levels signal a significant increase in sun intensity, shortening burn time to just 10 minutes. This escalation indicates not only more intense sun exposure but also the need for residents and visitors alike to take precautions when enjoying the outdoors. As the months progress, from May to July, the levels remain consistently extreme, making sun safety a priority. For more in-depth information on UV trends throughout the year, check out Carlsbad UV Index.

Maximum UV Index Levels in Carlsbad for April

The chart shows the monthly maximum UV Index (UVI) for Carlsbad 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.
JanFebMarAprMayJunJulAugSepOctNovDec5710121213121211865
Data source: Carlsbad 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 Carlsbad

April ushers in a radiant embrace of 322 hours of sunshine in Carlsbad, marking a significant upswing from the preceding months. As spring blooms, the sunlight steadily increases, showcasing a delightful trend that kicks off a season of warmth and longer days. Following the gradual ascent from January's 207 hours, April stands as a precursor to the summer months, where sunshine peaks in July with 370 hours, creating an inviting atmosphere for outdoor adventures. The month serves not just as a transition but as a vivid reminder of the vibrant energy the sun brings as it lingers longer in the sky, paving the way for May's impressive 364 hours. With each passing month, the consistent rise in sunlight hours not only brightens moods but also encourages locals and visitors alike to bask in the beauty of Carlsbad’s sunny disposition.

Monthly Sunshine Duration in Carlsbad: April Highlighted

The April sunshine duration represents the total number of hours Carlsbad 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.
JanFebMarAprMayJunJulAugSepOctNovDec207h248h289h322h364h357h370h345h304h292h265h258h
Data source: Carlsbad April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Carlsbad During April

April in Carlsbad brings a notable shift in sunny days, with the chance of sunshine dropping to 60% after a steady rise in the previous months. Following robust figures of 75% in March, the allure of sunlit days begins to wane as spring progresses. While May sees a slight rebound to 67%, the trend suggests that this time of year can be a bit unpredictable. Interestingly, this month of April still retains a healthier chance of sun compared to the summer months, where percentages dip as low as 59% in July and 57% in August. Overall, while April may not boast the highest likelihood of sun, it certainly plays a pivotal role in the transition from spring to summer in Carlsbad's delightful climate.

Percentage of Sunny Days in April in Carlsbad

The chart illustrates the percentage of sunny days in Carlsbad 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 Carlsbad experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec68%69%75%60%67%65%59%57%72%87%66%60%
Data source: Carlsbad April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Carlsbad in April

In April, Carlsbad enjoys a delightful 12 hours of daylight, maintaining the same amount as in March, marking the transition into spring with longer days ahead. This month serves as a bridge between the shorter winter days and the promisingly longer days of summer. As daylight extends from January's 10 hours to an impressive 14 hours by June, residents can savor more outdoor activities and the vibrant local scenery that spring brings. The gradual increase in daylight during the months preceding April sets a comforting rhythm, heralding the blooming beauty of nature while hinting at the sun-soaked days that are just around the corner.

Average Daylight Hours in Carlsbad for April

The chart illustrates the variation in daylight duration in Carlsbad throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 16m11h 2m12h12h 59m13h 49m14h 13m14h13h 16m12h 19m11h 19m10h 28m10h 2m
Data source: Carlsbad daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Carlsbad

In April, Carlsbad experiences a gentle breeze with an average wind speed of 4.5 m/s (10 mph), slightly down from the increasing trends seen in March but still keeping the coastal charm alive. As spring unfolds, the wind tends to mellow out compared to the preceding months, offering a refreshing breath of air that complements the blooming scenery. Interestingly, this month’s wind speed is in sync with the average speeds of May, illustrating a stable pattern as temperatures rise. The transition to warmer months is marked by this consistent maritime airflow, which supports both outdoor activities and the refreshing coastal ambiance that locals truly cherish.

Average April Wind Speed in Carlsbad

The chart displays monthly wind speed patterns in Carlsbad, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.74.14.84.5 m/s4.63.72.83.13.43.63.34.2
Data source: Carlsbad April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Carlsbad Compares to Other Months

The weather in Carlsbad 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 Carlsbad and find detailed weather information for every month.

April and January present strikingly different weather patterns. In April, temperatures range from a minimum of 3°C (37°F) to a maximum of 36°C (97°F), with an average of 20°C (67°F) and relatively low humidity at 61%. The month experiences minimal precipitation, totaling 12 mm (0.5 in) over just 1 day. In contrast, January's temperatures are much cooler, spanning from a low of -10°C (15°F) to a high of 27°C (80°F), with an average of 8°C (46°F). January also sees slightly higher humidity at 75% and experiences similar total precipitation of 12 mm (0.5 in), but over 2 days. For more detailed information on January weather, you can visit Carlsbad weather in January.

April and February present a striking contrast in weather conditions. In April, temperatures range from a minimum of 3°C (37°F) to a maximum of 36°C (97°F), with an average of 20°C (67°F). Conversely, February boasts much colder temperatures, with a minimum of -15°C (6°F) and a maximum of 31°C (88°F), averaging around 10°C (50°F). Both months experience minimal precipitation, with April receiving 12 mm (0.5 in) and February slightly less at 11 mm (0.4 in), each spanning just a single rainy day. However, February exhibits higher humidity at 74%, compared to April's 61%, contributing to a noticeably different feel for those experiencing these months. For more detailed insights about February weather, visit Carlsbad weather in February.

In comparison to March, April presents a noticeable shift in temperatures, with a minimum of 3°C (37°F) and an average of 20°C (67°F), while March experiences significantly cooler temperatures, dipping as low as -6°C (22°F) and averaging 15°C (59°F). April also features a higher maximum temperature, reaching up to 36°C (97°F), in contrast to March's peak of 34°C (93°F). Precipitation decreases in April to just 12 mm (0.5 in) over one day, compared to March's 24 mm (0.9 in) across three days. Interestingly, both months maintain the same humidity level at 61%. For more details on March weather, you can explore Carlsbad weather in March.

April and May exhibit notable contrasts in weather conditions. While April sees a minimum temperature of 3°C (37°F) and an average of 20°C (67°F), May edges up with a slightly higher minimum of 4°C (39°F) and an increased average of 25°C (77°F). The maximum temperatures also rise, with April peaking at 36°C (97°F) compared to May's 40°C (104°F). Precipitation remains relatively low in both months, with April experiencing just 12 mm (0.5 in) over 1 day and May slightly less at 11 mm (0.4 in) across 3 days. Additionally, May's humidity increases to 67%, compared to April's 61%. For more details on the weather patterns, you can refer to Carlsbad weather in May.

In April, temperatures in Carlsbad range from a minimum of 3°C (37°F) to a maximum of 36°C (97°F), with an average of 20°C (67°F). The month generally sees low precipitation, totaling just 12 mm (0.5 in) over about one day, and average humidity sits at 61%. In contrast, June experiences significantly warmer weather, with temperatures ranging from a minimum of 14°C (58°F) to a scorching maximum of 42°C (109°F) and an average of 29°C (84°F). Precipitation increases to 29 mm (1.1 in) over three days, while humidity rises slightly to 69%. For more details, visit Carlsbad weather in June.

April and July present distinct weather contrasts. In April, temperatures range from a cool 3°C (37°F) at night to a warm 36°C (97°F) during the day, with an average of 20°C (67°F). The month sees minimal precipitation, averaging just 12 mm (0.5 in) over a single day, and humidity levels hover around 61%. In contrast, July is significantly warmer, with nighttime lows starting at 18°C (65°F) and daily highs soaring to 44°C (111°F), averaging 29°C (85°F). Precipitation increases to 23 mm (0.9 in) over four days, accompanied by higher humidity at 69%. For more details, check out Carlsbad weather in July.

April and August showcase contrasting weather patterns. In April, temperatures range from a cool 3°C (37°F) at night to a warm 36°C (97°F) during the day, averaging around 20°C (67°F). This month sees minimal precipitation, with only about 12 mm (0.5 in) falling over just one day, while humidity levels sit at 61%.

In stark contrast, August experiences much warmer conditions, with nighttime lows of 17°C (63°F) and daytime highs soaring to 43°C (109°F), averaging a balmy 29°C (84°F). Precipitation increases to 34 mm (1.3 in) across about five days, and humidity rises slightly to 66%. For more detailed insights, check out Carlsbad weather in August.

April and September present quite different weather experiences. In April, temperatures range from a cool 3°C (37°F) at night to a warm 36°C (97°F) during the day, with an average of 20°C (67°F). The month sees minimal precipitation, averaging just 12 mm (0.5 in) across only one day and maintaining a moderate humidity of 61%. In contrast, September enjoys warmer temperatures, with minimums at 8°C (47°F) and maximums reaching 38°C (101°F), boasting an average of 25°C (78°F). However, it experiences more rainfall, with about 29 mm (1.1 in) over six days, resulting in higher humidity levels of 71%. For more details, you can check out Carlsbad weather in September.

April and October exhibit a fascinating contrast in weather patterns. In April, average temperatures hover around a mild 20°C (67°F), with low humidity at 61% and minimal rainfall of only 12 mm (0.5 in) over about 1 day. In contrast, October sees a slight drop in average temperature to 19°C (66°F), with the intriguing possibility of colder nights reaching as low as -3°C (28°F). Additionally, October experiences increased precipitation at 31 mm (1.2 in) over approximately 3 days and a higher humidity level of 71%. For a deeper dive into October's climate specifics, visit Carlsbad weather in October.

April and November present distinctly different weather patterns. In April, temperatures range from a minimum of 3°C (37°F) to a maximum of 36°C (97°F), with an average of 20°C (67°F). The month sees minimal precipitation, totaling only 12 mm (0.5 in) over just one day, and the humidity level hovers around 61%. In contrast, November features cooler temperatures, with a minimum of -4°C (25°F), an average of 13°C (56°F), and a maximum of 31°C (88°F). Precipitation increases slightly to 16 mm (0.6 in) spread over two days, and humidity rises significantly to 82%. For more detailed information, check out Carlsbad weather in November.

April and December present contrasting weather conditions. In April, temperatures range from a minimum of 3°C (37°F) to a maximum of 36°C (97°F), with an average of 20°C (67°F) and relatively low precipitation of 12 mm (0.5 in) over just 1 day. This month also features moderate humidity at 61%. In contrast, December tends to be much cooler, with temperatures ranging from a chilly -5°C (23°F) to a warm 27°C (80°F), averaging at 9°C (49°F). The month experiences slightly less precipitation at 7 mm (0.3 in), also over 1 day, but with higher humidity levels at 80%. For more detailed information, visit Carlsbad weather in December.

Compare Carlsbad's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Carlsbad

April in Carlsbad heralds a delightful transition into warmer weather, marked by a pleasant average temperature of 20°C (67°F). As the days grow longer and sunshine becomes more frequent, residents and visitors enjoy a distinct contrast to the cooler months preceding it. The minimal precipitation, with just one rainy day, ensures that the landscapes flourish without interruption, making it an ideal time for outdoor activities. With humidity levels at a comfortable 61%, April offers a refreshing escape before the heat of summer sets in. For more information about Carlsbad's weather patterns throughout the year, visit Carlsbad Climate.