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August Weather in Saint Peter, United States

Last updated: June 24, 2025

In Saint Peter, United States, the average temperature in August hovers around 22°C (71°F), making it a pleasant time to visit. Visitors can expect a minimum of 10°C (51°F) and a peak of 35°C (95°F). With an average humidity of 81%, the air feels quite moist. However, be prepared for 11 days of rainfall, totaling approximately 128 mm (5.1 in) throughout the month. Enjoy your stay!

August Temperature in Saint Peter

In August in Saint Peter, the average temperature is 22°C (71°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 10°C (51°F). This makes Saint Peter an ideal destination for travelers seeking pleasant weather and a variety of outdoor activities.

August Weather in Saint Peter: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Saint Peter, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Peter, August typically has an average temperature of 22°C (71°F), with highs reaching up to 35°C (95°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec171633446072747165493424
Data source: Temperature data for Saint Peter 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 Saint Peter

In Saint Peter in August, the precipitation amount is 128 mm (5.1 in) spread over 11 days.

August Precipitation Trends in Saint Peter

The chart displays monthly precipitation patterns in Saint Peter, 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 Saint Peter, August typically receives around 128 mm (5.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec32356788130106121129142913343
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Saint Peter

In Saint Peter in August humidity is 81%. With an average temperature of 22°C (71°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities somewhat challenging but offering a tropical ambiance perfect for exploring shaded areas and enjoying refreshing drinks.

August Average Humidity in Saint Peter

This chart illustrates the average monthly humidity levels in Saint Peter, 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 Saint Peter is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%90%85%84%78%80%81%81%81%84%88%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Saint Peter

In Saint Peter 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 Saint Peter.

Maximum UV Index Levels in Saint Peter for August

The chart shows the monthly maximum UV Index (UVI) for Saint Peter 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 Saint Peter typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35589101098532
Data source: Saint Peter 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 Saint Peter Compares to Other Months

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

This table compares monthly weather conditions in Saint Peter, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)32 mm (1.3 inches)87%moderate
February Weather-9°C (16°F)35 mm (1.4 inches)90%moderate
March Weather1°C (34°F)67 mm (2.6 inches)85%moderate
April Weather7°C (44°F)88 mm (3.5 inches)84%very high
May Weather15°C (60°F)130 mm (5.1 inches)78%very high
June Weather22°C (72°F)106 mm (4.2 inches)80%very high
July Weather24°C (75°F)121 mm (4.8 inches)81%very high
August Weather22°C (71°F)128 mm (5.1 inches)81%very high
September Weather18°C (65°F)142 mm (5.6 inches)81%very high
October Weather9°C (49°F)91 mm (3.6 inches)84%moderate
November Weather1°C (34°F)33 mm (1.3 inches)88%moderate
December Weather-4°C (25°F)43 mm (1.7 inches)84%low

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