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August Weather in Grenfell, Canada

Last updated: June 18, 2025

In August, the average temperature in Grenfell, Canada hovers around 17°C (63°F), making it a mild season. However, temperatures can vary dramatically, dipping as low as 2°C (37°F) and soaring to a sizzling 37°C (100°F). Expect some rain during this period, with 50 mm (2.0 in) of precipitation spread across about 6 days. With an average humidity of 76%, it’s important to stay hydrated and enjoy the unique climate of this region!

August Temperature in Grenfell

In August in Grenfell, the average temperature is 17°C (63°F). Maximum temperatures can reach up to 37°C (100°F), while minimums can drop as low as 2°C (36°F). This makes Grenfell an ideal destination for travelers looking to experience a broad range of weather conditions during their visit.

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

The chart illustrates August temperature patterns in Grenfell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grenfell, August typically has an average temperature of 17°C (63°F), with highs reaching up to 37°C (100°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec8422355262666353382314
Data source: Temperature data for Grenfell 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 Grenfell

In Grenfell in August, the precipitation amount is 50 mm (2.0 in) over the course of 6 days.

August Precipitation Trends in Grenfell

The chart displays monthly precipitation patterns in Grenfell, 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 Grenfell, August typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec1413263043100555057312821
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Grenfell

In Grenfell in August humidity is 76%. With an average temperature of 17°C (63°F), this humidity feels like traveling through a warm, enveloping blanket, making every outdoor adventure feel sticky and heavy, yet pleasantly refreshing when you find a cool breeze.

August Average Humidity in Grenfell

This chart illustrates the average monthly humidity levels in Grenfell, 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 Grenfell is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%94%91%79%71%65%75%76%73%77%88%95%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Grenfell

In Grenfell in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Grenfell.

Maximum UV Index Levels in Grenfell for August

The chart shows the monthly maximum UV Index (UVI) for Grenfell 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 Grenfell typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245689987421
Data source: Grenfell 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 Grenfell Compares to Other Months

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

This table compares monthly weather conditions in Grenfell, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-13°C (8°F)14 mm (0.6 inches)91%low
February Weather-16°C (4°F)13 mm (0.5 inches)94%moderate
March Weather-5°C (23°F)26 mm (1.0 inches)91%moderate
April Weather2°C (35°F)30 mm (1.2 inches)79%high
May Weather11°C (52°F)43 mm (1.7 inches)71%very high
June Weather17°C (62°F)100 mm (3.9 inches)65%very high
July Weather19°C (67°F)55 mm (2.2 inches)75%very high
August Weather17°C (63°F)50 mm (2.0 inches)76%very high
September Weather12°C (54°F)57 mm (2.2 inches)73%high
October Weather3°C (38°F)31 mm (1.2 inches)77%moderate
November Weather-5°C (23°F)28 mm (1.1 inches)88%low
December Weather-10°C (14°F)21 mm (0.8 inches)95%low

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