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August Weather in Rexburg, United States

Last updated: June 24, 2025

In August, the average temperature in Rexburg, United States is a pleasant 21°C (70°F), though it can vary significantly. Expect minimum temperatures to drop to 2°C (36°F), while highs can reach up to 35°C (96°F). During this time, the area receives about 19 mm (0.7 in) of precipitation over 3 days, with an average humidity of 49%.

August Temperature in Rexburg

In August in Rexburg, the average temperature is 21°C (70°F). Maximums can reach 35°C (96°F), and minimums can be as low as 2°C (36°F). This wide range of temperatures makes Rexburg an ideal destination for travelers seeking both warmth and cooler escapes.

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

The chart illustrates August temperature patterns in Rexburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rexburg, August typically has an average temperature of 21°C (70°F), with highs reaching up to 35°C (96°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec222635435263726960443523
Data source: Temperature data for Rexburg 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 Rexburg

In Rexburg in August, the precipitation amount is 19 mm (0.7 in) over a period of 3 days.

August Precipitation Trends in Rexburg

The chart displays monthly precipitation patterns in Rexburg, 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 Rexburg, August typically receives around 19 mm (0.7 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec46524660653681930444149
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Rexburg

In Rexburg in August, humidity is 49%. With an average temperature of 21°C (70°F), this humidity feels like a pleasant warmth that enhances the vibrancy of outdoor activities, making it an ideal time for exploring local attractions and enjoying leisurely strolls.

August Average Humidity in Rexburg

This chart illustrates the average monthly humidity levels in Rexburg, 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 Rexburg is approximately 49%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%95%90%81%71%64%59%49%52%69%86%91%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Rexburg

In Rexburg 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 Rexburg.

Maximum UV Index Levels in Rexburg for August

The chart shows the monthly maximum UV Index (UVI) for Rexburg 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 Rexburg typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109643
Data source: Rexburg 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 Rexburg Compares to Other Months

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

This table compares monthly weather conditions in Rexburg, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)46 mm (1.8 inches)95%moderate
February Weather-3°C (26°F)52 mm (2.1 inches)95%moderate
March Weather2°C (35°F)46 mm (1.8 inches)90%very high
April Weather6°C (43°F)60 mm (2.4 inches)81%very high
May Weather11°C (53°F)65 mm (2.6 inches)71%very high
June Weather17°C (63°F)36 mm (1.4 inches)64%extreme
July Weather22°C (72°F)8 mm (0.3 inches)59%extreme
August Weather21°C (70°F)19 mm (0.7 inches)49%very high
September Weather16°C (60°F)30 mm (1.2 inches)52%very high
October Weather7°C (44°F)44 mm (1.7 inches)69%high
November Weather1°C (35°F)41 mm (1.6 inches)86%moderate
December Weather-5°C (24°F)49 mm (1.9 inches)91%moderate

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