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June Weather in Waterville, United States

Last updated: June 24, 2025

In June, the average temperature in Waterville, United States is a pleasant 18°C (65°F), but be prepared for a range that swings from a chilly 4°C (40°F) to a sweltering 43°C (109°F). Expect a bit of rain, with 9 mm (0.4 in) of precipitation spread over 3 days, contributing to an average humidity level of 82%.

June Temperature in Waterville

In June in Waterville, the average temperature is 18°C (65°F). Maximums can reach 43°C (109°F), while minimums can drop as low as 4°C (40°F). Be prepared for a wide range of temperatures when traveling to Waterville this month.

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

The chart illustrates June temperature patterns in Waterville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Waterville, June typically has an average temperature of 18°C (65°F), with highs reaching up to 43°C (109°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec282938465764727161463729
Data source: Temperature data for Waterville 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 Waterville

In Waterville in June, the precipitation amount is 9 mm (0.4 in) over a span of 3 days.

June Precipitation Trends in Waterville

The chart displays monthly precipitation patterns in Waterville, 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 Waterville, June typically receives around 9 mm (0.4 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec766241362292523485770
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Waterville

In Waterville in June, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.

June Average Humidity in Waterville

This chart illustrates the average monthly humidity levels in Waterville, 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 Waterville is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%87%84%81%82%79%63%62%83%89%88%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Waterville

In Waterville in June, 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 Waterville.

Maximum UV Index Levels in Waterville for June

The chart shows the monthly maximum UV Index (UVI) for Waterville 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 Waterville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2456891097532
Data source: Waterville 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 Waterville Compares to Other Months

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

This table compares monthly weather conditions in Waterville, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)76 mm (3.0 inches)86%low
February Weather-2°C (29°F)62 mm (2.4 inches)86%moderate
March Weather3°C (38°F)41 mm (1.6 inches)87%moderate
April Weather8°C (47°F)36 mm (1.4 inches)84%high
May Weather14°C (58°F)22 mm (0.9 inches)81%very high
June Weather18°C (65°F)9 mm (0.4 inches)82%very high
July Weather22°C (72°F)2 mm (0.1 inches)79%very high
August Weather22°C (71°F)4 mm (0.2 inches)63%very high
September Weather16°C (61°F)23 mm (0.9 inches)62%high
October Weather8°C (47°F)48 mm (1.9 inches)83%moderate
November Weather3°C (37°F)57 mm (2.2 inches)89%moderate
December Weather-2°C (29°F)70 mm (2.8 inches)88%low

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