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August Weather in Waterville, United States

Last updated: June 24, 2025

In Waterville, United States, the average temperature in August hovers around 22°C (71°F). Expect a range that can dip to 7°C (45°F) at night and peak at a sweltering 38°C (100°F) during the day. Rain is minimal, with only 4 mm (0.2 in) of precipitation over 1 day, while the air maintains an average humidity of 63%.

August Temperature in Waterville

In August in Waterville, the average temperature is 22°C (71°F). Maximums can reach 38°C (100°F), while minimums can dip as low as 7°C (45°F). This diverse temperature range makes Waterville a versatile destination, appealing to travelers seeking both warmth and cooler moments.

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

The chart illustrates August 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, August typically has an average temperature of 22°C (71°F), with highs reaching up to 38°C (100°F) and lows dropping to around 7°C (45°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.

August Precipitation in Waterville

In Waterville in August, the precipitation amount is 4 mm (0.2 in) during 1 day.

August Precipitation Trends in Waterville

The chart displays monthly precipitation patterns in Waterville, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Waterville, August typically receives around 4 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec766241362292523485770
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Waterville

In Waterville in August humidity is 63%. With an average temperature of 22°C (71°F), this humidity feels like a warm, enveloping embrace that can make outdoor sightseeing a bit sticky but still enjoyable, encouraging travelers to take breaks in shaded areas and savor refreshing drinks along the way.

August Average Humidity in Waterville

This chart illustrates the average monthly humidity levels in Waterville, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Waterville is approximately 63%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Waterville

In Waterville in August, 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 August

The chart shows the monthly maximum UV Index (UVI) for Waterville in August, 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 August, the maximum UV index in Waterville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2456891097532
Data source: Waterville August 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 August 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 August’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 August’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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