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Average Weather In May For Port Renfrew, British Columbia, Canada

Location

This report describes the typical weather at the Sheringham Pt (Port Renfrew, British Columbia, Canada) weather station over the course of an average May. It is based on the historical records from 2004 to 2012. Earlier records are either unavailable or unreliable.

Port Renfrew, British Columbia has a mediterranean climate with dry warm summers and mild winters. The area within 25 mi of this station is covered by forests (60%) and oceans and seas (38%).

Temperature

The month of May is characterized by gradually rising daily high temperatures, with daily highs ranging from 52°F to 57°F over the course of the month, exceeding 63°F or dropping below 48°F only one day in ten.

Daily High and Low Temperature in May

The daily average low (blue) and high (red) temperature with percentile bands (inner band from 25th to 75th percentile, outer band from 10th to 90th percentile).
Daily low temperatures range from 45°F to 49°F, falling below 42°F or exceeding 52°F only one day in ten.

Fraction of Time Spent in Various Temperature Bands in May

The average fraction of time spent in various temperature bands: frigid (below 15°F), freezing (15°F to 32°F), cold (32°F to 50°F), cool (50°F to 65°F), comfortable (65°F to 75°F), warm (75°F to 85°F), hot (85°F to 100°F) and sweltering (above 100°F).
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March 2017
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April 2017
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May 2017
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June 2017
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July 2017
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August 2017
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September 2017
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October 2017
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November 2017
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December 2017
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January 2018
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February 2018
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Sun

Over the course of May, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 1:13 hours, implying an average day-over-day increase of 2.4 minutes.

The shortest day of the month is May 1 with 14:36 hours of daylight; the longest day is May 31 with 15:49 hours of daylight.

Daily Hours of Daylight and Twilight in May

The number of hours during which the Sun is visible (black line), with various degrees of daylight, twilight, and night, indicated by the color bands. From bottom (most yellow) to top (most gray): full daylight, solar twilight (Sun is visible but less than 6° from the horizon), civil twilight (Sun is not visible but is less than 6° below the horizon), nautical twilight (Sun is between 6° and 12° below the horizon), astronomical twilight (Sun is between 12° and 18° below the horizon), and full night.

The earliest sunrise is at 5:19am on May 30; the latest sunset is at 9:09pm on May 31; the latest sunrise is at 5:55am on May 1; the earliest sunset is at 8:31pm on May 1.

Daylight savings time is observed in 2012 but it neither starts nor ends in May, so the entire month is in daylight time.

Daily Sunrise & Sunset with Twilight and Daylight Savings Time in May

The solar day over the course of the year 2012 . From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (solar, civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight savings time are indicated by the "DST" labels.

Clouds

This weather station does not reliably report sky cover.

Precipitation

There is either very little precipitation at this location in May, or the weather station does not reliably report the conditions.

Snow

Either snow is exceptionally unlikely to fall at this location in May or this station does not reliably report precipitation types.

Humidity

The relative humidity typically ranges from 66% (mildly humid) to 93% (very humid) over the course of a typical May, rarely dropping below 62% (mildly humid) and reaching as high as 95% (very humid).

The air is driest around May 10, at which time the relative humidity drops below 69% (mildly humid) three days out of four; it is most humid around May 23, rising above 92% (very humid) three days out of four.

Relative Humidity in May

The average daily high (blue) and low (brown) relative humidity with percentile bands (inner bands from 25th to 75th percentile, outer bands from 10th to 90th percentile).

Dew Point

Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.

Over the course of a typical May, the dew point typically varies from 38°F (dry) to 47°F (dry) and is rarely below 36°F (dry) or above 48°F (dry).

Dew Point in May

The daily average low (blue) and high (red) dew point with percentile bands (inner band from 25th to 75th percentile, outer band from 10th to 90th percentile).

Wind

Over the course of May typical wind speeds vary from 2 mph to 23 mph (light air to fresh breeze), rarely exceeding 32 mph (high wind).

The highest average wind speed of 12 mph (moderate breeze) occurs around May 9, at which time the average daily maximum wind speed is 23 mph (fresh breeze).

The lowest average wind speed of 12 mph (gentle breeze) occurs around May 23, at which time the average daily maximum wind speed is 22 mph (fresh breeze).

Wind Speed in May

The average daily minimum (red), maximum (green), and average (black) wind speed with percentile bands (inner band from 25th to 75th percentile, outer band from 10th to 90th percentile).
The wind is most often out of the west (31% of the time), east (24% of the time), and north west (20% of the time). The wind is least often out of the south (1% of the time), south west (1% of the time), north (2% of the time), and south east (3% of the time).

Wind Directions in May

The fraction of time spent with the wind blowing from the various directions over the entire year. Values do not sum to 100% because the wind direction is undefined when the wind speed is zero.

Fraction of Time Spent with Various Wind Directions in May

The fraction of time spent with the wind blowing from the various directions on a daily basis. Stacked values do not always sum to 100% because the wind direction is undefined when the wind speed is zero.