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August Weather in Fostoria, United States

Last updated: June 24, 2025

In August, the average temperature in Fostoria, United States is a pleasant 21°C (71°F). While you can enjoy warm days with a maximum of 34°C (93°F), be prepared for cooler nights that can drop to 8°C (46°F). Expect around 93 mm (3.7 in) of precipitation over 11 days, contributing to a high average humidity of 80%.

August Temperature in Fostoria

In August in Fostoria, the average temperature is 21°C (71°F). Maximums can reach 34°C (93°F) and minimums can be as low as 8°C (46°F). This range makes it a perfect time for traveling, offering warm days and cooler nights for enjoyable outdoor activities.

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

The chart illustrates August temperature patterns in Fostoria, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fostoria, August typically has an average temperature of 21°C (71°F), with highs reaching up to 34°C (93°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec252635455868737164523831
Data source: Temperature data for Fostoria 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 Fostoria

In Fostoria in August, the precipitation amount is 93 mm (3.7 in) over the course of 11 days, indicating that rain is expected to be fairly frequent during that time.

August Precipitation Trends in Fostoria

The chart displays monthly precipitation patterns in Fostoria, 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 Fostoria, August typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec63656696991038093831096754
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Fostoria

In Fostoria in August humidity is 80%. With an average temperature of 21°C (71°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities feel more exhausting and requiring frequent breaks to stay hydrated.

August Average Humidity in Fostoria

This chart illustrates the average monthly humidity levels in Fostoria, 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 Fostoria is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Fostoria

In Fostoria 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 Fostoria.

Maximum UV Index Levels in Fostoria for August

The chart shows the monthly maximum UV Index (UVI) for Fostoria 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 Fostoria typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Fostoria 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 Fostoria Compares to Other Months

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

This table compares monthly weather conditions in Fostoria, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)62 mm (2.5 inches)88%low
February Weather-3°C (26°F)65 mm (2.6 inches)87%moderate
March Weather2°C (35°F)66 mm (2.6 inches)85%moderate
April Weather7°C (45°F)96 mm (3.8 inches)86%very high
May Weather14°C (58°F)99 mm (3.9 inches)80%very high
June Weather20°C (68°F)103 mm (4.1 inches)80%very high
July Weather23°C (73°F)80 mm (3.1 inches)80%very high
August Weather21°C (71°F)93 mm (3.7 inches)80%very high
September Weather18°C (64°F)83 mm (3.3 inches)80%high
October Weather11°C (53°F)109 mm (4.3 inches)84%moderate
November Weather3°C (38°F)67 mm (2.6 inches)89%moderate
December Weather-1°C (31°F)54 mm (2.1 inches)86%low

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