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April Weather in Napoleon, United States

Last updated: June 24, 2025

In April, the average temperature in Napoleon, United States hovers around 9°C (49°F). Expect a low of -7°C (19°F) and a high peaking at 29°C (84°F). Be prepared for 93 mm (3.7 in) of precipitation spread over 12 days, and don't forget to dress accordingly for the high 87% humidity!

April Temperature in Napoleon

In April in Napoleon, the average temperature is 9°C (49°F). The maximum can reach 29°C (84°F), and the minimum can be as low as -7°C (19°F). It's advisable to pack layers to accommodate the varying temperatures while enjoying your travels.

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

The chart illustrates April temperature patterns in Napoleon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Napoleon, April typically has an average temperature of 9°C (49°F), with highs reaching up to 29°C (84°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec283039496271757368564134
Data source: Temperature data for Napoleon 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 Napoleon

In Napoleon in April, the precipitation amount is 93 mm (3.7 in) over the course of 12 days.

April Precipitation Trends in Napoleon

The chart displays monthly precipitation patterns in Napoleon, 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 Napoleon, April typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec697088931391121038857908156
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Napoleon

In Napoleon in April humidity is 87%. With an average temperature of 9°C (49°F), this humidity feels like a damp blanket wrapping around you, making travel uncomfortable and leaving you yearning for a dry breeze to refresh your spirit.

April Average Humidity in Napoleon

This chart illustrates the average monthly humidity levels in Napoleon, 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 Napoleon is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Napoleon

In Napoleon in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Napoleon.

Maximum UV Index Levels in Napoleon for April

The chart shows the monthly maximum UV Index (UVI) for Napoleon 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 Napoleon typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35699101098642
Data source: Napoleon 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 Napoleon Compares to Other Months

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

This table compares monthly weather conditions in Napoleon, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)69 mm (2.7 inches)88%moderate
February Weather-1°C (30°F)70 mm (2.8 inches)87%moderate
March Weather4°C (40°F)88 mm (3.5 inches)87%high
April Weather9°C (49°F)93 mm (3.7 inches)87%very high
May Weather16°C (62°F)139 mm (5.5 inches)81%very high
June Weather22°C (72°F)112 mm (4.4 inches)82%very high
July Weather24°C (76°F)103 mm (4.0 inches)81%very high
August Weather23°C (73°F)88 mm (3.5 inches)78%very high
September Weather20°C (68°F)57 mm (2.2 inches)78%very high
October Weather13°C (56°F)90 mm (3.6 inches)82%high
November Weather5°C (41°F)81 mm (3.2 inches)89%moderate
December Weather1°C (34°F)56 mm (2.2 inches)86%low

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