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April Weather in Island City, United States

Last updated: June 24, 2025

In Island City, United States, the average temperature in April hovers around 5°C (42°F). Expect a minimum of -13°C (9°F) and a maximum of 24°C (76°F). The region experiences about 86 mm (3.4 in) of precipitation spread over 14 days, accompanied by an average humidity of 83%.

April Temperature in Island City

In April in Island City, the average temperature is 5°C (42°F). Maximums can reach 24°C (76°F) and minimums can be as low as -13°C (9°F). Be prepared for a wide range of temperatures, and pack accordingly to enjoy your travels!

April Weather in Island City: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Island City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Island City, April typically has an average temperature of 5°C (42°F), with highs reaching up to 24°C (76°F) and lows dropping to around -13°C (9°F).
JanFebMarAprMayJunJulAugSepOctNovDec272735415058686657443529
Data source: Temperature data for Island City 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 Island City

In Island City in April, the precipitation amount is 86 mm (3.4 in) over the course of 14 days.

April Precipitation Trends in Island City

The chart displays monthly precipitation patterns in Island City, 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 Island City, April typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec861308986774441635647996
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Island City

In Island City in April, humidity is 83%. With an average temperature of 5°C (42°F), this humidity feels like a heavy blanket wrapping around you, making even the simplest outdoor activities feel exhausting and uncomfortable for traveling.

April Average Humidity in Island City

This chart illustrates the average monthly humidity levels in Island City, 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 Island City is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%85%83%77%81%77%60%58%75%85%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Island City

In Island City 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 Island City.

Maximum UV Index Levels in Island City for April

The chart shows the monthly maximum UV Index (UVI) for Island City 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 Island City typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357810101098542
Data source: Island City 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 Island City Compares to Other Months

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

This table compares monthly weather conditions in Island City, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)86 mm (3.4 inches)86%moderate
February Weather-3°C (28°F)130 mm (5.1 inches)86%moderate
March Weather2°C (36°F)89 mm (3.5 inches)85%high
April Weather5°C (42°F)86 mm (3.4 inches)83%very high
May Weather10°C (50°F)77 mm (3.0 inches)77%very high
June Weather14°C (58°F)44 mm (1.7 inches)81%very high
July Weather20°C (68°F)3 mm (0.1 inches)76%very high
August Weather19°C (67°F)16 mm (0.6 inches)60%very high
September Weather14°C (57°F)35 mm (1.4 inches)58%very high
October Weather6°C (44°F)64 mm (2.5 inches)75%moderate
November Weather2°C (35°F)79 mm (3.1 inches)85%moderate
December Weather-2°C (29°F)96 mm (3.8 inches)87%low

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