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June Weather in Napoleon, United States

Last updated: June 24, 2025

In June, the average temperature in Napoleon, United States is a pleasant 20°C (68°F). However, be prepared for temperatures that can dip to a chilly 5°C (41°F) or soar up to a blistering 38°C (100°F). Throughout the month, expect around 85 mm (3.3 in) of rain spread over 8 days, with an average humidity level of 78%, making it a cozy, humid experience.

June Temperature in Napoleon

In June in Napoleon, the average temperature is 20°C (68°F). Maximum temperatures can reach 38°C (100°F), while the minimum can be as low as 5°C (41°F). Be sure to pack a variety of clothing options to accommodate the warm days and cooler evenings during your travels.

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

The chart illustrates June 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, June typically has an average temperature of 20°C (68°F), with highs reaching up to 38°C (100°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec131128395468726860433020
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.

June Precipitation in Napoleon

In Napoleon in June, the precipitation amount is 85 mm (3.3 in) over the course of 8 days.

June Precipitation Trends in Napoleon

The chart displays monthly precipitation patterns in Napoleon, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Napoleon, June typically receives around 85 mm (3.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec151726356185739461661729
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Napoleon

In Napoleon in June humidity is 78%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes exploring the sights a bit sticky, so travelers should stay hydrated and take frequent breaks in the shade.

June Average Humidity in Napoleon

This chart illustrates the average monthly humidity levels in Napoleon, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Napoleon is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%89%82%79%74%78%76%77%72%74%85%85%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Napoleon

In Napoleon in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Napoleon.

Maximum UV Index Levels in Napoleon for June

The chart shows the monthly maximum UV Index (UVI) for Napoleon in June, 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 June, the maximum UV index in Napoleon typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3559910997532
Data source: Napoleon June 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 June 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 June’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 June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)15 mm (0.6 inches)87%moderate
February Weather-12°C (11°F)17 mm (0.7 inches)89%moderate
March Weather-2°C (29°F)26 mm (1.0 inches)82%moderate
April Weather4°C (39°F)35 mm (1.4 inches)79%very high
May Weather12°C (55°F)61 mm (2.4 inches)74%very high
June Weather20°C (68°F)85 mm (3.3 inches)78%very high
July Weather22°C (73°F)73 mm (2.9 inches)76%very high
August Weather20°C (69°F)94 mm (3.7 inches)77%very high
September Weather15°C (60°F)61 mm (2.4 inches)72%high
October Weather6°C (43°F)66 mm (2.6 inches)74%moderate
November Weather-1°C (30°F)17 mm (0.7 inches)85%moderate
December Weather-6°C (21°F)29 mm (1.1 inches)84%low

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