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April Weather in Sackets Harbor, United States

Last updated: June 24, 2025

In April, the average temperature in Sackets Harbor, United States hovers around 6°C (43°F). While the minimum can plummet to -6°C (21°F), temperatures can also soar up to a maximum of 25°C (77°F). Expect 123 mm (4.9 in) of precipitation spread across 13 days, and prepare for a rather humid experience with an average humidity level of 88%.

April Temperature in Sackets Harbor

In April in Sackets Harbor, the average temperature is 6°C (43°F), with maximums reaching 25°C (77°F) and minimums dropping as low as -6°C (21°F). Travelers should prepare for a wide range of temperatures, bringing layers to stay comfortable throughout the day.

April Weather in Sackets Harbor: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Sackets Harbor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sackets Harbor, April typically has an average temperature of 6°C (43°F), with highs reaching up to 25°C (77°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec232532435565727063523930
Data source: Temperature data for Sackets Harbor 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 Sackets Harbor

In Sackets Harbor in April, the precipitation amount is 123 mm (4.9 in) over the course of 13 days.

April Precipitation Trends in Sackets Harbor

The chart displays monthly precipitation patterns in Sackets Harbor, 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 Sackets Harbor, April typically receives around 123 mm (4.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec9388861231039714510878160127108
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Sackets Harbor

In Sackets Harbor in April, humidity is 88%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and prompting you to seek warm shelter frequently.

April Average Humidity in Sackets Harbor

This chart illustrates the average monthly humidity levels in Sackets Harbor, 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 Sackets Harbor is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%87%88%82%79%78%76%78%84%89%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Sackets Harbor

In Sackets Harbor 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 Sackets Harbor.

Maximum UV Index Levels in Sackets Harbor for April

The chart shows the monthly maximum UV Index (UVI) for Sackets Harbor 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 Sackets Harbor typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246899997532
Data source: Sackets Harbor 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 Sackets Harbor Compares to Other Months

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

This table compares monthly weather conditions in Sackets Harbor, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)93 mm (3.7 inches)90%low
February Weather-4°C (25°F)88 mm (3.5 inches)90%moderate
March Weather0°C (32°F)86 mm (3.4 inches)87%high
April Weather6°C (43°F)123 mm (4.9 inches)88%very high
May Weather13°C (56°F)103 mm (4.1 inches)82%very high
June Weather18°C (65°F)97 mm (3.8 inches)79%very high
July Weather22°C (72°F)145 mm (5.7 inches)78%very high
August Weather21°C (70°F)107 mm (4.2 inches)76%very high
September Weather17°C (63°F)78 mm (3.1 inches)78%high
October Weather11°C (53°F)160 mm (6.3 inches)84%moderate
November Weather4°C (39°F)127 mm (5.0 inches)89%moderate
December Weather-1°C (30°F)108 mm (4.2 inches)86%low

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