Summer Weather in Tofino Canada

Daily high temperatures increase by 5°F, from 60°F to 65°F, rarely falling below 55°F or exceeding 73°F. The highest daily average high temperature is 67°F on August 3.

Daily low temperatures are around 52°F, rarely falling below 45°F or exceeding 58°F. The highest daily average low temperature is 55°F on August 2.

For reference, on August 2, the hottest day of the year, temperatures in Tofino typically range from 55°F to 67°F, while on January 2, the coldest day of the year, they range from 38°F to 44°F.

The figure below shows you a compact characterization of the hourly average summer temperatures. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Dublin, Ireland (4,536 miles away) is the far-away foreign place with temperatures most similar to Tofino (view comparison).

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The summer in Tofino experiences rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 54% to 40%. The lowest chance of overcast or mostly cloudy conditions is 31% on August 4.

The clearest day of the summer is August 4, with clear, mostly clear, or partly cloudy conditions 69% of the time.

For reference, on January 20, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 77%, while on August 4, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 69%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Tofino, the chance of a wet day over the course of the summer is rapidly decreasing, starting the season at 28% and ending it at 22%.

For reference, the year's highest daily chance of a wet day is 65% on November 16, and its lowest chance is 9% on July 29.

Rainfall

To show variation within the season and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during the summer in Tofino is gradually decreasing, starting the season at 2.7 inches, when it rarely exceeds 5.5 inches or falls below 0.7 inches, and ending the season at 2.3 inches, when it rarely exceeds 4.8 inches or falls below 0.4 inches.

The lowest average 31-day accumulation is 1.1 inches on July 28.

Over the course of the summer in Tofino, the length of the day is very rapidly decreasing. From the start to the end of the season, the length of the day decreases by 2 hours, 31 minutes, implying an average daily decrease of 1 minute, 39 seconds, and weekly decrease of 11 minutes, 36 seconds.

The shortest day of the summer is August 31, with 13 hours, 27 minutes of daylight and the longest day is June 20, with 16 hours, 14 minutes of daylight.

The earliest sunrise of the summer in Tofino is 5:18 AM on June 16 and the latest sunrise is 1 hour, 22 minutes later at 6:39 AM on August 31.

The latest sunset is 9:32 PM on June 24 and the earliest sunset is 1 hour, 26 minutes earlier at 8:06 PM on August 31.

Daylight saving time is observed in Tofino during 2024, but it neither starts nor ends during the summer, so the entire season is in standard time.

For reference, on June 20, the longest day of the year, the Sun rises at 5:18 AM and sets 16 hours, 14 minutes later, at 9:32 PM, while on December 21, the shortest day of the year, it rises at 8:16 AM and sets 8 hours, 12 minutes later, at 4:28 PM.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

The figure below presents a compact representation of key lunar data for the summer of 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Tofino is essentially constant during the summer, remaining around 0% throughout.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Tofino is decreasing during the summer, decreasing from 7.2 miles per hour to 5.7 miles per hour over the course of the season.

For reference, on December 28, the windiest day of the year, the daily average wind speed is 10.7 miles per hour, while on August 17, the calmest day of the year, the daily average wind speed is 5.6 miles per hour.

The lowest daily average wind speed during the summer is 5.6 miles per hour on August 18.

The hourly average wind direction in Tofino throughout the summer is predominantly from the west, with a peak proportion of 61% on July 16.

Tofino is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average surface water temperature in Tofino is gradually increasing during the summer, rising by 3°F, from 53°F to 56°F, over the course of the season.

The highest average surface water temperature during the summer is 57°F on August 15.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season in Tofino typically lasts for 8.9 months (273 days), from around March 2 to around November 30, rarely starting after March 31, or ending before November 1.

The summer in Tofino is reliably fully within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Tofino are rapidly increasing during the summer, increasing by 761°F, from 137°F to 899°F, over the course of the season.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Tofino is gradually decreasing during the summer, falling by 1.0 kWh, from 6.0 kWh to 5.0 kWh, over the course of the season.

The highest average daily incident shortwave solar energy during the summer is 6.8 kWh on July 19.

For the purposes of this report, the geographical coordinates of Tofino are 49.153 deg latitude, -125.907 deg longitude, and 72 ft elevation.

The topography within 2 miles of Tofino contains only modest variations in elevation, with a maximum elevation change of 436 feet and an average elevation above sea level of 25 feet. Within 10 miles contains only modest variations in elevation (3,215 feet). Within 50 miles contains large variations in elevation (7,113 feet).

The area within 2 miles of Tofino is covered by water (72%) and trees (28%), within 10 miles by water (63%) and trees (36%), and within 50 miles by water (56%) and trees (39%).