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August Weather in Grannis, United States

Last updated: June 24, 2025

In August, the average temperature in Grannis, United States is a warm 27°C (80°F). Expect comfortable days with a minimum temperature of 18°C (64°F) and the heat peaking at a maximum of 37°C (99°F). However, prepare for some rainfall, as 108 mm (4.3 in) of precipitation is likely over 11 days. With an average humidity of 61%, it’s the perfect time to enjoy the vibrant atmosphere while staying hydrated!

August Temperature in Grannis

In August in Grannis, the average temperature is 27°C (80°F). Maximum temperatures can reach 37°C (99°F), while the minimum can drop to as low as 18°C (64°F). This pleasant warmth makes Grannis an ideal destination for travelers seeking a comfortable climate.

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

The chart illustrates August temperature patterns in Grannis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grannis, August typically has an average temperature of 27°C (80°F), with highs reaching up to 37°C (99°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec434656617078818076645248
Data source: Temperature data for Grannis 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 Grannis

In Grannis in August, the precipitation amount is 108 mm (4.3 in) over the course of 11 days.

August Precipitation Trends in Grannis

The chart displays monthly precipitation patterns in Grannis, 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 Grannis, August typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1071591611941951051021087113183137
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Grannis

In Grannis in August, humidity is 61%. With an average temperature of 27°C (80°F), this humidity feels like a warm embrace, making travel feel slightly sultry but manageable, adding a touch of heaviness to the air that invites you to explore the local culture at a leisurely pace.

August Average Humidity in Grannis

This chart illustrates the average monthly humidity levels in Grannis, 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 Grannis is approximately 61%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%77%78%82%81%75%61%59%69%82%88%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Grannis

In Grannis in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Grannis.

Maximum UV Index Levels in Grannis for August

The chart shows the monthly maximum UV Index (UVI) for Grannis 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 Grannis typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111010854
Data source: Grannis 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 Grannis Compares to Other Months

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

This table compares monthly weather conditions in Grannis, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)107 mm (4.2 inches)82%moderate
February Weather8°C (46°F)159 mm (6.3 inches)79%high
March Weather13°C (56°F)161 mm (6.4 inches)77%very high
April Weather16°C (61°F)194 mm (7.6 inches)78%very high
May Weather21°C (71°F)195 mm (7.7 inches)82%extreme
June Weather26°C (78°F)105 mm (4.1 inches)81%extreme
July Weather27°C (81°F)102 mm (4.0 inches)75%extreme
August Weather27°C (80°F)108 mm (4.3 inches)61%very high
September Weather24°C (76°F)71 mm (2.8 inches)59%very high
October Weather18°C (64°F)131 mm (5.1 inches)69%very high
November Weather11°C (52°F)83 mm (3.3 inches)82%moderate
December Weather9°C (48°F)137 mm (5.4 inches)87%moderate

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