nomadseason

April Weather in Chelsea, United States

Last updated: June 24, 2025

In April, the average temperature in Chelsea, United States hovers around 5°C (42°F). Expect a wide range of conditions, with minimum temperatures dipping to -9°C (17°F) and maximums reaching up to 25°C (78°F). This month also brings 117 mm (4.6 in) of precipitation over approximately 14 days, contributing to an average humidity level of 84%. Stay prepared for a mix of chilly days and warmer spells!

April Temperature in Chelsea

In April in Chelsea, the average temperature is 5°C (42°F). Maximums can reach 25°C (78°F), and minimums can be as low as -9°C (17°F). Be prepared for a wide range of temperatures during your travels, packing layers to ensure comfort in both warm and chilly conditions.

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. In Chelsea, April typically has an average temperature of 5°C (42°F), with highs reaching up to 25°C (78°F) and lows dropping to around -9°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec192229425463686659483324
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 Chelsea in April, the precipitation amount is 117 mm (4.6 in) spread over 14 days.

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. In Chelsea, April typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec7780711179697140987114110488
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Chelsea

In Chelsea in April, humidity is 84%. With an average temperature of 5°C (42°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier while traveling.

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, helping you understand how conditions vary by season. In April, average humidity in Chelsea is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%76%72%67%64%72%81%87%85%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Chelsea

In Chelsea in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Chelsea.

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. In April, the maximum UV index in Chelsea typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
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.

How April Weather in Chelsea Compares to Other Months

Weather in Chelsea varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Chelsea, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Chelsea, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)77 mm (3.0 inches)89%low
February Weather-6°C (22°F)80 mm (3.2 inches)88%moderate
March Weather-2°C (29°F)71 mm (2.8 inches)86%moderate
April Weather5°C (42°F)117 mm (4.6 inches)84%very high
May Weather12°C (55°F)96 mm (3.8 inches)76%very high
June Weather17°C (64°F)97 mm (3.8 inches)72%very high
July Weather20°C (69°F)140 mm (5.5 inches)66%very high
August Weather19°C (67°F)98 mm (3.9 inches)64%very high
September Weather15°C (60°F)71 mm (2.8 inches)72%high
October Weather9°C (48°F)141 mm (5.6 inches)81%moderate
November Weather1°C (33°F)104 mm (4.1 inches)87%moderate
December Weather-5°C (24°F)88 mm (3.4 inches)84%low

Compare Chelsea's Climate with Cities Worldwide