August Weather in Chemainus, Canada

Last updated: April 22, 2025

In Chemainus, Canada, August presents a delightful climate characterized by a maximum temperature soaring to 34°C (94°F), averaging a comfortable 20°C (68°F), while the minimum temperature hovers around a crisp 9°C (48°F). This month experiences light precipitation, totaling 25 mm (1.0 in) over 4 days, ensuring the landscape remains vibrant. With an average humidity level of 77%, the warmth is accompanied by a refreshing coastal breeze, making August an appealing time to enjoy the picturesque surroundings of Chemainus.

August Temperature in Chemainus

In August, Chemainus experiences a delightful peak in summer, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 34°C (94°F). The average temperature hovers around 20°C (68°F), making it one of the warmest months of the year. This warmth stands in stark contrast to the chill of winter, where January and February see low averages around 4°C (39°F). As the summer progresses, August marks a significant rise from the cooler months of June and July, where daily highs are impressed by warmer, sun-kissed days. The trend of rising temperatures culminates in August, encouraging outdoor adventures and vibrant community events.

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

The chart illustrates August temperature patterns in Chemainus, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec403844495763676860504540
Data source: Temperature data for Chemainus 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 Chemainus

In August, Chemainus experiences a notable decrease in precipitation, recording just 25 mm (1.0 in) of rain over only 4 days. This marks a continuation of the arid streak seen in July, where only a scant 25 mm was measured as well, indicating a trend towards drier conditions during the peak of summer. This refreshing respite from rain offers a brief interlude before the typical wet weather returns in September, where precipitation levels rise significantly. Overall, August stands out for its limited rainfall, allowing residents and visitors alike to enjoy the warm, sunny days typical of the season.

August Precipitation Trends in Chemainus

The chart displays monthly precipitation patterns in Chemainus, 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.
JanFebMarAprMayJunJulAugSepOctNovDec19611710710458572525111135224199
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Chemainus

In Chemainus, Canada, August brings a refreshing dip in humidity to 77%, marking a noticeable decrease from the more humid summer months. Throughout the year, relative humidity remains relatively high, peaking at 86% in the winter months, with January, March, April, and the more temperate May all hovering close to that mark. This trend gradually declines as summer progresses; from June to July, humidity stays around the low 80s%, before making a significant drop in August. Interestingly, as summer gives way to fall, humidity levels dip further to 76% in September, only to rise again into the late autumn months. This cyclical pattern suggests a comfortable shift in Chemainus as it transitions from the heat of summer to the cooler embrace of fall, creating a delightful weather experience for locals and visitors alike.

August Average Humidity in Chemainus

This chart illustrates the average monthly humidity levels in Chemainus, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%86%86%81%83%84%77%76%88%87%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Chemainus

August in Chemainus, Canada, is characterized by a very high UV Index of 8, a trend that peaks in this summer month alongside July. With burn time reduced to just 15 minutes, it’s crucial for residents and visitors alike to take protective measures against the sun. The UV Index has shown a steady increase from January's low of 2, climbing to a moderate level in February and March before hitting high levels in April and May. This gradual rise culminates in the very high exposure risk of summer, making it essential to stay vigilant against sunburn. As summer transitions to autumn, the index begins its descent, dropping to 6 in September. For more detailed information on UV indexes throughout the year, you can check the link: Chemainus UV Index.

Maximum UV Index Levels in Chemainus for August

The chart shows the monthly maximum UV Index (UVI) for Chemainus 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.
JanFebMarAprMayJunJulAugSepOctNovDec234678886421
Data source: Chemainus 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.

August Sunshine in Chemainus

In Chemainus, Canada, August shines brightly with 344 hours of sunshine, making it one of the sunniest months of the year. This vibrant summer month follows a peak in July, which boasts a remarkable 383 hours of sunlight. As summer unfolds, the trend reveals a steady increase in sunshine hours from January's modest 79 hours to June's generous 337 hours. After August, sunlight begins to wane, with September experiencing a notable drop to 247 hours, signaling the transition into fall. As the year progresses toward winter, the decrease becomes more pronounced, with November and December recording just 118 and 93 hours respectively. This remarkable fluctuation underscores Chemainus’s seasonal charm, inviting nature lovers and sun-seekers alike to bask in its radiant summer glow.

Monthly Sunshine Duration in Chemainus: August Highlighted

The August sunshine duration represents the total number of hours Chemainus experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec79h140h201h233h328h337h383h344h247h178h118h93h
Data source: Chemainus August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chemainus During August

In Chemainus, Canada, August enjoys a favorable likelihood of sunshine, with a 54% chance of clear skies. This positions it as one of the sunnier months, following a peak in July at 68%. As summer unfolds, the trend shows a significant increase in sunny days from the earlier spring months, with April at 55% and May at 39%. While the chance of sunshine dips again in September to 31%, August stands out as a sweet spot for those seeking warmth and brightness, making it an ideal time for outdoor activities and enjoying the vibrant scenery of this charming town.

Percentage of Sunny Days in August in Chemainus

The chart illustrates the percentage of sunny days in Chemainus throughout the year, with August highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Chemainus experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%27%30%55%39%52%68%54%31%24%19%23%
Data source: Chemainus August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chemainus in August

In Chemainus, Canada, August offers a delightful 14 hours of daylight, marking the tail end of the vibrant summer months. This period follows the peak sunshine of June and July, which bask the region in 16 and 15 hours of light, respectively. As August rolls in, the gradual decline in daylight signals the onset of autumn, with daylight hours decreasing to 12 by September. This trend of diminishing daylight starts in late summer, creating a rhythmic ebb and flow throughout the year—a cycle where each month brings its own unique charm and ambiance. Enjoying the lingering warmth and brightness in August serves as a perfect transition into the cozy hues of the approaching fall.

Average Daylight Hours in Chemainus for August

The chart illustrates the variation in daylight duration in Chemainus throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 45m10h 11m11h 56m13h 45m15h 18m16h 6m15h 39m14h 15m12h 31m10h 43m9h 7m8h 17m
Data source: Chemainus daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Chemainus

In August, Chemainus experiences a subtle rise in wind speed, averaging 1.7 m/s (4 mph), a slight uptick from the calmer months of July. The trend throughout the summer reveals a gradual decline in wind speed, culminating in July's 1.5 m/s (3 mph), the year's lowest. However, as summer transitions to fall, August’s winds hint at a gentle resurgence, yet remain modest compared to the brisker sea breezes typically felt later in the year. Moving into September and October, Chemainus gears up for a return to more invigorating winds, echoing the coastal charm of this vibrant Canadian community.

Average August Wind Speed in Chemainus

The chart displays monthly wind speed patterns in Chemainus, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.62.32.01.81.91.51.7 m/s1.92.52.62.4
Data source: Chemainus August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Chemainus Compares to Other Months

The weather in Chemainus changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Chemainus and find detailed weather information for every month.

August and January present starkly contrasting weather conditions. In August, temperatures range from a mild 9°C (48°F) during the night to a scorching high of 34°C (94°F) during the day, with average humidity at a comfortable 77%. The month experiences relatively low precipitation, with only 25 mm (1.0 in) falling over about four days. In contrast, January brings much colder temperatures, with highs peaking at just 13°C (55°F) and lows diving to -9°C (15°F). This winter month sees significantly higher precipitation, totaling 196 mm (7.7 in) across approximately 15 days, accompanied by higher humidity at 86%. For a more detailed look at winter conditions, you can check Chemainus weather in January.

The weather in August and February presents a stark contrast. In August, temperatures can range from a pleasant 20°C (68°F) on average, peaking at a warm 34°C (94°F), with relatively low precipitation of 25 mm (1.0 in) over just four days. The humidity level is also moderate at 77%, making it a warm summer month. In contrast, February experiences much cooler temperatures, with an average of only 4°C (39°F) and maximums reaching 13°C (55°F). This winter month sees significantly higher precipitation, totaling 117 mm (4.6 in) over 15 days, accompanied by a higher humidity level of 85%. For more detailed information on February's weather, check out Chemainus weather in February.

In comparing the weather between August and March, it's evident that they offer starkly different conditions. August boasts warmer temperatures, with averages reaching 20°C (68°F) and highs soaring up to 34°C (94°F), accompanied by relatively low precipitation of 25 mm (1.0 in) over just four days. In contrast, March experiences much cooler weather, with average temperatures around 7°C (44°F) and minimums dipping to -3°C (27°F). This month also sees significantly higher precipitation, totaling 107 mm (4.2 in) across 15 rainy days, resulting in a humidity level of 86%. For a closer look at March's weather specifics, you can check Chemainus weather in March.

In comparing the weather between August and April, notable differences emerge in temperature and precipitation patterns. August experiences much warmer temperatures, with an average of 20°C (68°F) and highs reaching up to 34°C (94°F), while April sees cooler conditions, with an average temperature of just 10°C (50°F) and maximums at 24°C (76°F). Additionally, April is significantly wetter, with a total precipitation of 104 mm (4.1 in) over 14 days, compared to August's mere 25 mm (1.0 in) over only 4 days. Humidity levels are also higher in April at 86%, compared to August's 77%. For more detailed insights about April weather, you can visit Chemainus weather in April.

When comparing the weather in August and May, notable differences emerge. August typically enjoys warmer temperatures, with an average of 20°C (68°F) and highs reaching up to 34°C (94°F), while May has a cooler average of 14°C (57°F) and maximum temperatures of 28°C (82°F). In terms of precipitation, May sees more rain, with 58 mm (2.3 in) over 10 days compared to only 25 mm (1.0 in) spread across 4 days in August. Humidity levels are slightly lower in August at 77%, while May’s humidity sits at 81%. For a closer look at the weather specifics, you can visit Chemainus weather in May.

August tends to be warmer than June, with average temperatures reaching 20°C (68°F) compared to June's average of 17°C (63°F). While both months experience significant warmth, June can occasionally spike to a maximum of 40°C (104°F), while August's maximum peaks at a more moderate 34°C (94°F). Precipitation also varies, with June receiving more rain (57 mm or 2.2 in) over a longer duration (9 days) compared to August's lighter 25 mm (1.0 in) across just 4 days. Additionally, humidity levels are slightly lower in August at 77% versus June's 83%, making August feel a bit more comfortable overall. For more detailed insights, you can refer to Chemainus weather in June.

In comparing the weather of August and July, both months experience similar temperature ranges, with August showcasing a minimum of 9°C (48°F), an average of 20°C (68°F), and a maximum reaching 34°C (94°F). In contrast, July has a slightly higher minimum temperature of 10°C (50°F) but shares identical maximum temperatures with August at 34°C (93°F). Precipitation levels remain consistent at 25 mm (1.0 in) for both months; however, August sees rain on 4 days compared to 6 days in July. Humidity levels are also slightly lower in August at 77% compared to July’s 84%. For more detailed insights, visit Chemainus weather in July.

August brings warmer temperatures to the region, with an average high of 34°C (94°F) and a comfortable humidity level of 77%. The month experiences relatively low precipitation, with only 25 mm (1.0 in) falling over about 4 days. In contrast, September sees a noticeable drop in temperatures, with an average high of 31°C (88°F) and a low of 6°C (43°F). The month is marked by significantly higher rainfall, totaling 111 mm (4.4 in) over 12 days, while humidity remains similar at 76%. For more detailed insights, check out Chemainus weather in September.

In August, the weather is characterized by warm temperatures, with a minimum of 9°C (48°F) and a maximum reaching up to 34°C (94°F), making it a comfortable month for outdoor activities. The average temperature hovers around 20°C (68°F), accompanied by relatively low precipitation of just 25 mm (1.0 in) over four days, and a humidity level of 77%. In contrast, October brings a significant shift in conditions, with much cooler temperatures, where the minimum can drop to -2°C (29°F) and the average temperature falls to 10°C (50°F). Rain becomes more prevalent in October, with precipitation increasing to 134 mm (5.3 in) over 13 days, and humidity rising to 88%. For a more detailed look at October weather, you can refer to Chemainus weather in October.

The weather in August is significantly warmer and drier compared to November. In August, temperatures range from a pleasant 9°C (48°F) at night to a sweltering 34°C (94°F) during the day, with only 25 mm of precipitation spread over just four days. In contrast, November experiences much cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 17°C (63°F), along with substantial rainfall of 224 mm (8.8 in) over 18 days. Additionally, humidity in November is slightly higher at 87%, compared to August's 77%. For more details, you can explore Chemainus weather in November.

August and December weather in Chemainus present a striking contrast. In August, temperatures range from a mild 9°C (48°F) at night to a warm 34°C (94°F) during the day, with an average of 20°C (68°F). The humidity is relatively high at 77%, but rain is infrequent, with only about 25 mm (1.0 in) of precipitation over just 4 days. In stark comparison, December experiences much colder conditions, with temperatures plunging to a minimum of -10°C (15°F) and an average of only 4°C (40°F). The month sees frequent precipitation, totaling 199 mm (7.8 in) over 19 days, and the humidity climbs to 87%. For more details on December weather, visit Chemainus weather in December.

Compare Chemainus's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Chemainus

August in Chemainus offers a distinct transition into late summer, marked by warm temperatures and increased humidity, creating a vibrant atmosphere perfect for outdoor activities. While nights can still be cool, the days often see heat peaking around 34°C, contrasting with the milder averages of other months. Precipitation remains minimal, with only a few days of rain, allowing for plenty of sunshine and clear skies. This month's blend of warmth and occasional showers sets it apart as a time of enjoyment, making it an ideal period to explore the natural beauty of the region. For more detailed insights into Chemainus weather patterns throughout the year, visit Chemainus Climate.