August Weather in Sandown, United States

Last updated: June 24, 2025

In August, the average temperature in Sandown, United States hovers around 23°C (73°F). Prepare for a range of temperatures, with minimums dipping to 9°C (49°F) and maximums soaring to 37°C (100°F). Expect about 75 mm (2.9 in) of precipitation spread over 10 days, coupled with an average humidity of 66%. Stay comfortable and be ready for the climate!

August Temperature in Sandown

In August in Sandown, the average temperature is 23°C (73°F). Maximum temperatures can reach 37°C (100°F), while minimum temperatures can drop to as low as 9°C (49°F). Thus, it's advisable to pack layers to accommodate the fluctuating temperatures during your travels.

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

The chart illustrates August temperature patterns in Sandown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sandown, August typically has an average temperature of 23°C (73°F), with highs reaching up to 37°C (100°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec273036475869737365544031
Data source: Temperature data for Sandown 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 Sandown

In Sandown in August, the precipitation amount is 75 mm (2.9 in) spread over a period of 10 days.

August Precipitation Trends in Sandown

The chart displays monthly precipitation patterns in Sandown, 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 Sandown, August typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec7084821287789135757212599122
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Sandown

In Sandown in August, humidity is 66%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, making it essential for travelers to stay hydrated and plan outdoor activities for cooler times of the day.

August Average Humidity in Sandown

This chart illustrates the average monthly humidity levels in Sandown, 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 Sandown is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Sandown

In Sandown 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 Sandown.

Maximum UV Index Levels in Sandown for August

The chart shows the monthly maximum UV Index (UVI) for Sandown 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 Sandown typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3458910997532
Data source: Sandown 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 Sandown Compares to Other Months

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

This table compares monthly weather conditions in Sandown, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)70 mm (2.7 inches)86%moderate
February Weather-1°C (30°F)84 mm (3.3 inches)84%moderate
March Weather2°C (36°F)82 mm (3.2 inches)82%moderate
April Weather8°C (47°F)128 mm (5.0 inches)80%very high
May Weather15°C (58°F)77 mm (3.0 inches)72%very high
June Weather20°C (69°F)89 mm (3.5 inches)72%very high
July Weather23°C (74°F)135 mm (5.3 inches)67%very high
August Weather23°C (73°F)75 mm (2.9 inches)66%very high
September Weather19°C (66°F)72 mm (2.8 inches)71%high
October Weather12°C (54°F)125 mm (4.9 inches)78%moderate
November Weather4°C (40°F)99 mm (3.9 inches)84%moderate
December Weather-1°C (31°F)122 mm (4.8 inches)81%low

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