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April Weather in Rhinelander, United States

Last updated: June 24, 2025

In April, the average temperature in Rhinelander, United States hovers around 3°C (39°F), with a minimum dip to -17°C (2°F) and a maximum soar to 24°C (76°F). Expect a precipitation total of 92 mm (3.6 in) spread over approximately 12 days, while humidity levels are typically 84%, adding a touch of crispness to the air.

April Temperature in Rhinelander

In April in Rhinelander, the average temperature is 3°C (39°F), with maximums reaching 24°C (76°F) and minimums dropping as low as -17°C (2°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm and cold conditions.

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

The chart illustrates April temperature patterns in Rhinelander, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rhinelander, April typically has an average temperature of 3°C (39°F), with highs reaching up to 24°C (76°F) and lows dropping to around -17°C (2°F).
JanFebMarAprMayJunJulAugSepOctNovDec151528385465696659453021
Data source: Temperature data for Rhinelander 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 Rhinelander

In Rhinelander in April, the precipitation amount is 92 mm (3.6 in) over the course of 12 days.

April Precipitation Trends in Rhinelander

The chart displays monthly precipitation patterns in Rhinelander, 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 Rhinelander, April typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec3351489290106107115961175059
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Rhinelander

In Rhinelander in April humidity is 84%. With an average temperature of 3°C (39°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and the air heavy, where every step feels like wading through a thick fog.

April Average Humidity in Rhinelander

This chart illustrates the average monthly humidity levels in Rhinelander, 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 Rhinelander is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%87%84%77%75%75%73%78%84%89%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Rhinelander

In Rhinelander in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Rhinelander.

Maximum UV Index Levels in Rhinelander for April

The chart shows the monthly maximum UV Index (UVI) for Rhinelander 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 Rhinelander typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457810997532
Data source: Rhinelander 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 Rhinelander Compares to Other Months

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

This table compares monthly weather conditions in Rhinelander, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (15°F)33 mm (1.3 inches)89%low
February Weather-10°C (15°F)51 mm (2.0 inches)90%moderate
March Weather-2°C (28°F)48 mm (1.9 inches)87%moderate
April Weather3°C (39°F)92 mm (3.6 inches)84%high
May Weather12°C (55°F)90 mm (3.5 inches)77%very high
June Weather18°C (65°F)106 mm (4.2 inches)75%very high
July Weather21°C (70°F)107 mm (4.2 inches)74%very high
August Weather19°C (66°F)114 mm (4.5 inches)73%very high
September Weather15°C (59°F)96 mm (3.8 inches)78%high
October Weather7°C (45°F)117 mm (4.6 inches)84%moderate
November Weather-1°C (30°F)50 mm (2.0 inches)89%moderate
December Weather-6°C (21°F)59 mm (2.3 inches)87%low

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