Last updated: February 24, 2025
April in Signal Hill, United States, brings a delightful mix of temperatures and mild weather. With a maximum temperature soaring to 32°C (89°F) and an average of 17°C (62°F), residents can enjoy the transition into spring while experiencing a pleasant minimum of 11°C (52°F) during cooler nights. This month also sees light precipitation, amounting to 18 mm (0.7 in) over just 2 days, paired with a humidity level of 70% that adds a refreshing feel to the atmosphere. As flowers bloom and days grow warmer, April offers a perfect opportunity to revel in the beauty of the season.
April in Signal Hill, United States, marks a delightful transition to warmer days as temperatures significantly rise. With a minimum temperature of 11°C (52°F) and an impressive max reaching 32°C (89°F), the month showcases a vibrant average of 17°C (62°F), indicating a shift towards the warmer season following the cooler early months. This upward trend in temperatures from previous months not only heralds the arrival of spring but also encourages outdoor activities, making it a perfect time to enjoy the blooming scenery. As we move into May, temperatures stabilize, but April distinctly represents a poignant turning point, setting the stage for the warmer delights ahead.
In April, Signal Hill experiences a notable decline in precipitation, recording just 18 mm (0.7 in) across 2 days. This marks a significant contrast to the wetter months preceding it, as January through March average around 53 mm each, highlighting a seasonal shift towards drier conditions. Following April, the trend continues with even lesser rainfall in May (10 mm) and only trace amounts in the summer months of June through August. This gradual decrease in precipitation hints at the transition into a dry season, establishing a pattern that persists through the following months, with averages dwindling as the year progresses.
In April, Signal Hill experiences a dip in humidity, averaging around 70%, which marks a slight decline from the higher levels observed in the early months of the year. This decrease signifies a transition from the wetter winter months of January and February, which averaged 74% and 79%, respectively. Interestingly, as the year progresses, humidity levels stabilize, remaining consistently at 70% in both April and May. This trend suggests that while residents enjoy the freshness of spring, the humidity begins to balance out, making way for the drier summer months ahead. The overall pattern reflects a gradual easing of moisture, hinting at the warm, inviting climate that characterizes Signal Hill's late spring and summer.
As April rolls around in Signal Hill, the UV Index reaches a notable 9, categorized as very high. This indicates a significant increase from the previous months, demonstrating a clear upward trend in solar intensity as spring progresses. With a burn time of just 15 minutes, residents and visitors should be particularly vigilant about sun protection during this period. The intensity of UV radiation remains elevated through May, where it peaks at 10, highlighting the importance of safeguarding against potential skin damage. For more detailed insights on UV exposure trends throughout the year, visit Signal Hill UV Index.
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April brings a delightful surge of sunshine to Signal Hill, with 318 hours of sun-soaked days, marking a noticeable upward trend from the previous months. As winter fades, the sunshine hours bounce from 191 in January to a bright 290 by March, laying the groundwork for April's bloom of brightness. The increase continues as the days grow longer and warmer, paving the way for May’s peak at 347 hours. This steady climb not only heralds the arrival of spring but also hints at the summer splendor yet to come, with June reaching the pinnacle of 362 hours. As the seasons progress, Signal Hill transforms into a sunlit haven, inviting residents and visitors alike to bask in the warmth and vibrancy of nature’s awakening.
In Signal Hill, April presents a 54% chance of sunny weather, marking a decline from the steadily increasing sunshine probability seen in the previous months. While March boasts a robust 70%, indicating a peak in clear skies, April's forecast signifies a transitional period as we edge toward the less sunny months ahead. Following April, May dips further to 48%, suggesting that the city might experience more overcast days. Notably, this pattern of fluctuating sunshine continues through the spring, highlighting an intriguing dynamic in coastal weather. Residents and visitors should be prepared for a mix of sunshine and clouds as the month unfolds.
As April unfolds in Signal Hill, the length of daylight reaches a delightful 13 hours, marking a significant increase from the 11 hours seen in March. This trend of growing daylight began in January with a steady 10 hours, slowly blossoming as spring approached. April's generous exposure not only encourages outdoor activities but also signals the advent of brighter days ahead, with May continuing the trend at the same 13 hours. As summer nears, daylight will peak in June and July, creating the perfect backdrop for longer evenings and vibrant sunsets. The gradual increase in daylight during these spring months paints a hopeful picture of renewal and joy, inviting residents to savor the beauty of longer days.
In April, Signal Hill experiences a delightful consistency in its average wind speed, maintaining a brisk 3.3 m/s (7 mph), mirroring March's gentle gusts. This steady breeze is characteristic of the spring season, as it transitions seamlessly into the warmer months. Notably, the wind speeds in April align with those in June, suggesting a pleasant period of atmospheric stability. As the year progresses, while May sees a slight dip to 3.2 m/s, the winds generally fluctuate within a narrow range, indicating that Signal Hill enjoys a relatively calm and refreshing climate. The winds gradually taper off towards late autumn, highlighting a seasonal rhythm that residents embrace throughout the year.
The weather in Signal Hill 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 Signal Hill and find detailed weather information for every month.
April typically brings warmer temperatures compared to January, with averages reaching around 17°C (62°F) and maximums soaring to 32°C (89°F), while January sees cooler averages at 14°C (58°F) and maximums of 27°C (82°F). April also enjoys drier conditions, receiving only 18 mm (0.7 in) of precipitation over 2 days, in contrast to January's higher 61 mm (2.4 in) over 5 days. Despite April’s warmth, both months share relatively high humidity, with January slightly higher at 74%. For more details on January weather, you can check out Signal Hill weather in January.
April generally offers warmer temperatures compared to February, with a minimum of 11°C (52°F) and an average of 17°C (62°F), peaking at 32°C (89°F). In contrast, February sees cooler temperatures, featuring a minimum of 6°C (43°F) and an average of 14°C (58°F), with a maximum of 28°C (83°F). While April has relatively low precipitation at 18 mm (0.7 in) over just 2 days, February receives significantly more rain, totaling 48 mm (1.9 in) across 5 days, contributing to a higher humidity of 79% compared to April's 70%. For more details on February weather, you can check Signal Hill weather in February.
April generally experiences warmer temperatures compared to March, with minimums averaging 11°C (52°F) and maximums reaching up to 32°C (89°F), while March has minimums around 8°C (47°F) and maximums at 25°C (77°F). Additionally, April is drier, with only 18 mm (0.7 in) of precipitation over 2 days, contrasting sharply with March's 52 mm (2.1 in) across 8 days. Humidity levels are slightly lower in April at 70%, compared to 75% in March, indicating a more comfortable atmosphere as spring progresses. For more detailed information, check Signal Hill weather in March.
April and May share similar temperature ranges, with both months having a minimum of around 11°C (52°F) and an average temperature close to 17°C (62°F). However, April experiences warmer maximum temperatures reaching up to 32°C (89°F), compared to May's peak of 28°C (82°F). Precipitation in April is slightly higher at 18 mm (0.7 in) over 2 days, while May sees a decrease to 10 mm (0.4 in) over the same number of days. Both months maintain a consistent humidity level of 70%. For more detailed information, you can check Signal Hill weather in May.
In comparing the weather of April and June, both months offer pleasant conditions but with notable differences. April experiences a broader temperature range, with a minimum of 11°C (52°F) and a maximum of 32°C (89°F), indicating warmer days, while June's temperatures are slightly milder, ranging from a minimum of 14°C (58°F) to a maximum of 30°C (87°F). Precipitation is more common in April, with 18 mm (0.7 in) over 2 days, while June typically remains dry, receiving only 3 mm (0.1 in) and experiencing no rainy days. Humidity levels are relatively similar, with April at 70% and June slightly higher at 72%. For a more detailed look at June weather specifics, check out Signal Hill weather in June.
April and July present distinct weather patterns, showcasing the transition from spring to summer. In April, temperatures range from a minimum of 11°C (52°F) to a maximum of 32°C (89°F), with an average of 17°C (62°F) and a relatively high humidity of 70%. The month experiences some precipitation, with about 18 mm (0.7 in) falling over 2 days. In contrast, July tends to be warmer and drier, featuring minimum temperatures of 16°C (61°F) and maximums reaching up to 36°C (97°F), with a comfortable average of 21°C (71°F). Remarkably, July sees only 3 mm (0.1 in) of precipitation across the entire month and typically enjoys clear skies, along with a slight increase in humidity at 73%. For more details on July weather, you can visit Signal Hill weather in July.
April and August showcase distinct weather patterns. In April, temperatures range from a minimum of 11°C (52°F) to a maximum of 32°C (89°F), with an average of 17°C (62°F). This month experiences a higher level of humidity at 70% and sees about 18 mm (0.7 in) of precipitation over two days, making it relatively more variable. In contrast, August boasts a warmer temperature range, with a minimum of 16°C (61°F) and an average of 22°C (72°F), while maintaining a similar maximum of 31°C (89°F). Notably, August enjoys drier conditions, with only 1 mm (0.1 in) of precipitation and no rainy days, alongside a slightly lower humidity level of 69%. For a more detailed look at the weather during this month, visit Signal Hill weather in August.
In comparing the weather patterns of April and September, we notice several key differences. April typically presents a mild climate with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 32°C (89°F) and an average temperature of 17°C (62°F). The month sees about 18 mm (0.7 in) of precipitation over 2 days, accompanied by a humidity level of 70%. In contrast, September often enjoys warmer temperatures, with a minimum of 15°C (60°F), an average of 22°C (71°F), and a peak of 36°C (97°F). This month is notably drier, with only 3 mm (0.1 in) of precipitation and no rainy days, while the humidity slightly decreases to 68%. For more specific insights into weather conditions, you can check out Signal Hill weather in September.
When comparing the weather in April and October, both months exhibit mild temperatures, though October tends to be slightly warmer with an average of 20°C (69°F) compared to April's 17°C (62°F). The maximum temperature in October can reach up to 37°C (98°F), showcasing a more intense warmth than the peak of 32°C (89°F) seen in April. Precipitation is relatively low in both months, with April receiving 18 mm (0.7 in) over two days, while October sees only 8 mm (0.3 in) during the same duration. Furthermore, humidity levels remain similar, with April at 70% and October at 67%. For more detailed insights, you can check the Signal Hill weather in October.
April and November share a similar average temperature of around 17°C (63°F), but their overall temperatures vary slightly. In April, temperatures can rise to a maximum of 32°C (89°F), while in November, the peak reaches 31°C (88°F). Both months experience minimal precipitation, with April receiving 18 mm (0.7 in) and November slightly less with 17 mm (0.7 in), occurring over the same number of days—just two. Humidity levels are also comparable, with April at 70% and November at 68%. For more specific details on November weather, you can check the following link: Signal Hill weather in November.
April and December present distinct weather patterns that highlight the transition from spring to winter. In April, temperatures range from a minimum of 11°C (52°F) to a maximum of 32°C (89°F), with an average of 17°C (62°F), allowing for warmer days and a relatively mild climate. Precipitation is limited to just 18 mm (0.7 in) over two days, contributing to an overall pleasant environment with a humidity level of 70%.
In contrast, December features cooler temperatures, with a minimum of 7°C (44°F) and a maximum of 26°C (79°F), averaging 14°C (58°F). It experiences significantly higher precipitation, totaling 70 mm (2.8 in) over four days, which affects outdoor activities. Humidity remains similar at 71%. For more insights on December weather, you can check out Signal Hill weather in December.
April weather in Signal Hill showcases a delightful transition as temperatures begin to rise, offering a refreshing contrast to the cooler months prior. With a maximum temperature reaching up to 32°C (89°F) and an average of 17°C (62°F), the city starts to bask in the warmth of spring, while still maintaining a pleasant 70% humidity. Unlike the drier summer months ahead, April brings moderate precipitation spread over just a couple of days, enriching the landscape as everything begins to bloom. This month exemplifies a balance between the lingering chill of winter and the approaching heat of summer, creating an ideal atmosphere for outdoor activities. For more details on the seasonal weather, check out Signal Hill Climate.