August Weather in Greeley, United States

Last updated: June 24, 2025

In August, the average temperature in Greeley, United States hovers around 23°C (73°F), making for a pleasant climate. However, expect a range where the minimum can dip to 8°C (46°F) and the maximum can soar to 35°C (95°F). The month brings about 91 mm (3.6 in) of precipitation spread over approximately 10 days, contributing to an average humidity of 84%. Enjoy the diverse weather this month has to offer!

August Temperature in Greeley

In August in Greeley, the average temperature is 23°C (73°F), with maximums reaching 35°C (95°F) and minimums dropping to 8°C (46°F). This range makes Greeley an ideal destination for travelers seeking pleasant weather and a variety of outdoor activities.

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

The chart illustrates August temperature patterns in Greeley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greeley, August typically has an average temperature of 23°C (73°F), with highs reaching up to 35°C (95°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec252439486073767367503930
Data source: Temperature data for Greeley 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 Greeley

In Greeley in August, the precipitation amount totals 91 mm (3.6 in) over a span of 10 days.

August Precipitation Trends in Greeley

The chart displays monthly precipitation patterns in Greeley, 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 Greeley, August typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec2420846114489779157852242
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Greeley

In Greeley in August, humidity is 84%. With an average temperature of 23°C (73°F), this humidity feels like a warm, thick blanket wrapping around you, making travel slightly exhausting but also uniquely invigorating as you navigate through the vibrant atmosphere.

August Average Humidity in Greeley

This chart illustrates the average monthly humidity levels in Greeley, 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 Greeley is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%81%69%71%80%83%84%84%77%72%80%79%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Greeley

In Greeley 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 Greeley.

Maximum UV Index Levels in Greeley for August

The chart shows the monthly maximum UV Index (UVI) for Greeley 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 Greeley typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101110108643
Data source: Greeley 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 Greeley Compares to Other Months

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

This table compares monthly weather conditions in Greeley, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)24 mm (0.9 inches)73%moderate
February Weather-4°C (25°F)20 mm (0.8 inches)81%moderate
March Weather4°C (39°F)84 mm (3.3 inches)69%high
April Weather9°C (48°F)61 mm (2.4 inches)71%very high
May Weather15°C (60°F)144 mm (5.7 inches)80%very high
June Weather23°C (74°F)89 mm (3.5 inches)83%extreme
July Weather25°C (77°F)77 mm (3.0 inches)84%very high
August Weather23°C (73°F)91 mm (3.6 inches)84%very high
September Weather20°C (68°F)57 mm (2.3 inches)77%very high
October Weather10°C (50°F)85 mm (3.3 inches)72%high
November Weather4°C (39°F)22 mm (0.9 inches)80%moderate
December Weather-1°C (30°F)42 mm (1.6 inches)79%moderate

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