April Weather in Chelsea, United States

Last updated: February 24, 2025

April in Chelsea, United States, showcases a dynamic shift in weather as temperatures gradually rise. With a maximum reaching 29°C (85°F) and an average of 12°C (53°F), residents can feel the warmth returning after winter's chill. However, the month can still surprise, with minimum lows dipping to -1°C (31°F). Rainfall is not uncommon, as 121 mm (4.4 inches) of precipitation falls over approximately 12 days, contributing to a humidity level of 78%. This combination of conditions creates a vibrant and occasionally unpredictable spring environment, perfect for outdoor enthusiasts and nature lovers alike.

April Temperature in Chelsea

As April arrives in Chelsea, United States, the chill of winter begins to fade, giving way to a refreshing surge in temperatures. The month showcases a notable shift, with minimums averaging around -1°C (31°F) and a comfortable average of 12°C (53°F). Daytime highs can reach a pleasant 29°C (85°F), hinting at the warmth that May will soon bring. This transitional month demonstrates a significant warming trend compared to the preceding months, making it an ideal time for outdoor activities as nature bursts into bloom. With each passing day, residents and visitors alike can eagerly anticipate the sun's radiance, marking a delightful departure from the frigid winter months.

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

The chart illustrates April temperature patterns in Chelsea, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec343743536372787670614639
Data source: Temperature data for Chelsea 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 Chelsea

In April, Chelsea experiences an uptick in precipitation, recording 111 mm (4.4 in) across 12 days of rain. This marks an increase from the previous months, with March's 103 mm (4.0 in) over 10 days, suggesting a trend of growing moisture as spring unfolds. The pattern continues to escalate into May, where precipitation peaks at 118 mm (4.6 in), reinforcing the notion of April as a transitional period characterized by rising rainfall. As temperatures rise, these showers contribute significantly to the vibrant greenery that defines Chelsea in the latter part of spring.

April Precipitation Trends in Chelsea

The chart displays monthly precipitation patterns in Chelsea, 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.
JanFebMarAprMayJunJulAugSepOctNovDec66107103111118941441269113082102
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Chelsea

In April, Chelsea, United States, experiences a noticeable decline in humidity, dropping to 78% compared to the previous months. This pattern marks a transition from the higher humidity levels seen during the winter months, where January and February hover around the 82% to 84% range, to a more moderate spring atmosphere. As temperatures rise and nature comes to life, the arrival of May brings further relief with humidity levels sinking to 69%. This gradual decrease not only enhances outdoor comfort but also sets the stage for the drier summer months ahead, creating a refreshing contrast to the wetter winter landscape.

April Average Humidity in Chelsea

This chart illustrates the average monthly humidity levels in Chelsea, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Chelsea

As the month of April unfolds in Chelsea, the UV Index reaches a significant peak at 8, categorizing it as very high. This dramatic increase from March's Index of 6 highlights a transition into the sun-intensive spring season, where the burn time shortens to just 15 minutes—a clear reminder to prioritize sun protection. Following suit, the UV levels will remain elevated through May and June, reinforcing the importance of vigilance against UV exposure. This trend suggests that Chelsea residents should prepare for an extended period of high UV intensity as the warmer months approach. For more detailed information on UV levels throughout the year, visit Chelsea UV Index.

Maximum UV Index Levels in Chelsea for April

The chart shows the monthly maximum UV Index (UVI) for Chelsea 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.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Chelsea 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 Chelsea

In April, Chelsea basks in a remarkable 250 hours of sunshine, a slight dip from March's impressive 254 hours. This transition marks the tail end of a sunny spring as the days grow longer, paving the way for an inviting May, which boasts 283 hours. The upward trend in sunlight continues through the warmer months, reaching a peak in July with an astonishing 353 hours. As summer transitions to fall, the sunlight gradually wanes, highlighting the seasonal variations that define Chelsea’s year. Each month showcases a vibrant dance of sunlight, with April serving as a beautiful prelude to the sunny highs of summer.

Monthly Sunshine Duration in Chelsea: April Highlighted

The April sunshine duration represents the total number of hours Chelsea 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.
JanFebMarAprMayJunJulAugSepOctNovDec152h181h254h250h283h322h353h319h279h231h219h181h
Data source: Chelsea April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chelsea During April

April in Chelsea, United States, brings a 45% chance of sunny weather, maintaining a balance between the cooler months and the warming spring season. While March offers a more promising 56% chance, April's outlook is slightly subdued as it transitions into the vibrant bloom of May, which sees a decrease to 42%. This trend suggests a pattern where early spring enjoys more sun, while late spring and summer tend to experience variability. Overall, April still provides a fair opportunity for sun-soaked days, contributing to a delightful and refreshing atmosphere as winter's chill gives way to the warmth of spring.

Percentage of Sunny Days in April in Chelsea

The chart illustrates the percentage of sunny days in Chelsea 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 Chelsea experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%31%57%45%42%38%44%29%47%37%55%31%
Data source: Chelsea April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chelsea in April

As spring unfolds in Chelsea, United States, daylight duration dramatically increases, offering residents a delightful preview of the warmer months ahead. In April, daylight stretches to 13 hours, a notable rise from the 11 hours experienced in March. This increase marks the transition into longer days, which continue through May and June, where daylight peaks at 14 hours. Following this summer solstice, daylight gradually begins to dwindle again, with August seeing a decrease to 13 hours and the trend continuing into the autumn months. The cyclical nature of daylight in Chelsea not only brightens the landscape but also rejuvenates the community, fostering a vibrant outdoor lifestyle as people embrace the extended hours of sunlight.

Average Daylight Hours in Chelsea for April

The chart illustrates the variation in daylight duration in Chelsea throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 38m10h 40m11h 58m13h 18m14h 26m14h 59m14h 41m13h 41m12h 24m11h 4m9h 55m9h 19m
Data source: Chelsea daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Chelsea

As April arrives in Chelsea, United States, residents can expect a wind speed that remains steady at 3.5 m/s (8 mph), matching the consistent breeziness of January and February. This gentle wind transition continues from the slightly brisk March, which marked a subtle uptick in speed. However, a notable trend appears as the year progresses; from May onwards, the winds begin to calm, tapering to 3.3 m/s (7 mph) in May and gradually decreasing throughout the summer months, reaching a low of 2.5 m/s (6 mph) in July and August. As autumn approaches, the winds pick up once again, but never quite matching the clarity of spring. This rhythmic ebb and flow of winds in Chelsea paints a picture of a seasonal dance, where April stands as a pivotal month of breezy anticipation before the summer stillness takes hold.

Average April Wind Speed in Chelsea

The chart displays monthly wind speed patterns in Chelsea, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.53.83.5 m/s3.32.92.52.53.23.23.23.0
Data source: Chelsea April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Chelsea Compares to Other Months

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

April and January showcase stark differences in weather patterns. In April, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 29°C (85°F), with an average of 12°C (53°F). This month experiences about 111 mm (4.4 in) of precipitation over roughly 12 days and a humidity level of 78%. In contrast, January sees much colder conditions, with temperatures dipping as low as -18°C (0°F) and only reaching up to 19°C (66°F), averaging around 1°C (35°F). Precipitation is lighter, totaling 66 mm (2.6 in) over 8 days, accompanied by higher humidity at 84%. For a detailed look at January weather specifics, you can refer to Chelsea weather in January.

April and February weather exhibit significant differences, particularly in temperature and overall feel. In April, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 29°C (85°F), averaging around 12°C (53°F), which brings a more comfortable climate for outdoor activities. In contrast, February is much colder, with temperatures dropping to a minimum of -16°C (4°F) and peaking at 23°C (73°F), resulting in an average of only 3°C (37°F). Both months experience similar precipitation levels, with April receiving 111 mm (4.4 in) over 12 days and February slightly less at 107 mm (4.2 in) over 10 days. Furthermore, humidity is slightly higher in February at 82%, compared to April's 78%. For more insights into the chilly conditions, visit Chelsea weather in February.

When comparing the weather in April to March, April presents a generally milder climate with a higher average temperature of 12°C (53°F) compared to March's 6°C (43°F). Although both months experience chilly minimum temperatures, April's lowest temperature of -1°C (31°F) is significantly warmer than March's minimum of -9°C (16°F). Additionally, while March has a slightly lower average precipitation of 103 mm (4.0 in) over 10 days, April sees a marginal increase in precipitation to 111 mm (4.4 in) across 12 days. Humidity levels are also fairly close, with March at 81% and April at 78%. Those interested in more detailed weather conditions can check Chelsea weather in March.

April and May present a noticeable transition in weather conditions. In April, temperatures range from a chilly -1°C (31°F) to a warm 29°C (85°F), with an average of 12°C (53°F). The month experiences considerable rainfall, totaling 111 mm (4.4 in) over 12 days and maintaining a humidity level of 78%. In contrast, May brings slightly cooler lows of 2°C (37°F) and warmer highs reaching 32°C (90°F), with an average temperature of 17°C (63°F). Although May sees a marginal increase in precipitation to 118 mm (4.6 in) over the same number of days, the humidity decreases to 69%. Overall, May tends to feel warmer and more comfortable than April. For further insight into the weather specifics for the month, check out Chelsea weather in May.

April weather can be quite variable, with temperatures ranging from a chilly low of -1°C (31°F) to a warm high of 29°C (85°F), resulting in an average of 12°C (53°F). The month is characterized by relatively high humidity at 78% and 111 mm (4.4 in) of precipitation spread over 12 days. In contrast, June sees significantly warmer temperatures, with a minimum of 10°C (50°F) and a maximum reaching 35°C (96°F), averaging 22°C (73°F). Though June has slightly less rainfall at 94 mm (3.7 in) over 13 days, the humidity drops to a more comfortable 69%. For more detailed insights, check out Chelsea weather in June.

April and July present contrasting weather conditions. In April, temperatures range from a chilly minimum of -1°C (31°F) to a maximum of 29°C (85°F), with an average temperature of 12°C (53°F). The month experiences considerable precipitation totaling 111 mm (4.4 in) over approximately 12 days, coupled with high humidity levels at 78%. In stark contrast, July offers warmer temperatures with a minimum of 16°C (61°F), an average of 26°C (79°F), and highs reaching 36°C (97°F). Although July is wetter, with 144 mm (5.6 in) falling over 14 days, the humidity is lower at 62%. For specific insights, you can check Chelsea weather in July.

April and August present contrasting weather patterns, with April experiencing a wider temperature range from a chilly minimum of -1°C (31°F) to a warm maximum of 29°C (85°F), accompanied by an average temperature of 12°C (53°F). This month also sees considerable precipitation, totaling 111 mm (4.4 in) over approximately 12 days, alongside a relatively high humidity of 78%. In contrast, August offers a much warmer climate, with temperatures ranging from a mild minimum of 15°C (60°F) to a sweltering high of 35°C (95°F) and an average temperature of 25°C (77°F). Although August has slightly more precipitation at 126 mm (5.0 in) over about 14 days, the humidity is lower at 65%. For more details, you can check Chelsea weather in August.

April and September present quite distinct weather patterns. In April, temperatures can range from a chilly -1°C (31°F) at night to a warm 29°C (85°F) during the day, with an average of 12°C (53°F). The month tends to be quite wet, with 111 mm (4.4 in) of precipitation spread over 12 days and relatively high humidity at 78%. In contrast, September enjoys milder conditions, with nighttime lows of 8°C (47°F) and daytime highs reaching up to 34°C (93°F), averaging around 21°C (71°F). This month sees slightly less rain at 91 mm (3.6 in) over 10 days and lower humidity at 68%. For more details on the weather specifics in September, check out Chelsea weather in September.

In April, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant average of 12°C (53°F), peaking at a warm 29°C (85°F), while October presents a milder climate with a minimum of 3°C (37°F) and an average of 16°C (61°F), reaching a maximum of 34°C (93°F). Although both months experience rainfall, April receives slightly less precipitation, totaling 111 mm (4.4 inches) over 12 days compared to October's 130 mm (5.1 inches) across 10 days. Interestingly, the humidity in April is marginally higher at 78% compared to October's 74%, making April feel a bit more humid overall. For detailed forecasts and conditions, you can check out Chelsea weather in October.

April and November present distinct weather patterns, showcasing the transition between the cooler and warmer months. In April, temperatures oscillate from a chilling low of -1°C (31°F) to a pleasant average of 12°C (53°F), with maximum highs reaching up to 29°C (85°F). The month experiences more rainfall, with 111 mm (4.4 in) spread across about 12 days and a humidity level of 78%. In contrast, November's temperatures are cooler overall, ranging from a minimum of -9°C (17°F) to an average of 8°C (47°F) and a maximum of 25°C (76°F). Precipitation is lighter in November, totaling 82 mm (3.2 in) over 9 days, accompanied by slightly higher humidity at 82%. For more details on specific weather conditions, visit Chelsea weather in November.

April and December present a stark contrast in weather conditions. In April, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 29°C (85°F), with an average of 12°C (53°F). The month experiences about 111 mm (4.4 inches) of precipitation over approximately 12 days, contributing to a humidity level of 78%. In contrast, December sees much colder temperatures, with a minimum of -11°C (13°F) and a maximum of 19°C (66°F), resulting in an average temperature of only 4°C (39°F). With a slightly lower precipitation of 102 mm (4.0 inches) over about 10 days and a humidity of 80%, December feels considerably more frigid. For more specifics, you can check Chelsea weather in December.

Compare Chelsea's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Chelsea

April in Chelsea heralds a refreshing transition from the chill of winter to the vibrancy of spring. With temperatures climbing significantly, you can expect a delightful mix of warmer days and cooler nights. However, prepare for the occasional shower, as rainfall is quite pronounced this month, contributing to a moist atmosphere with elevated humidity levels. This blend of mild temperatures and increased precipitation distinguishes April from the preceding colder months, making it a unique time to experience the awakening of nature. To explore more about the shifting weather patterns, visit Chelsea Climate.