March Weather at Cartwright, Nfld. Canada

Daily high temperatures increase by 10°F, from 20°F to 30°F, rarely falling below 5°F or exceeding 41°F.

Daily low temperatures increase by 12°F, from 5°F to 17°F, rarely falling below -11°F or exceeding 31°F.

For reference, on August 1, the hottest day of the year, temperatures at Cartwright, Nfld. typically range from 49°F to 65°F, while on January 30, the coldest day of the year, they range from -1°F to 14°F.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on March. 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.

Chevak, United States (3,583 miles away); Gudauri, Georgia (4,344 miles); and Sinegorsk, Russia (5,380 miles) are the far-away foreign places with temperatures most similar to Cartwright, Nfld. (view comparison).

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The month of March at Cartwright, Nfld. experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 72% throughout the month. The highest chance of overcast or mostly cloudy conditions is 73% on March 7.

The clearest day of the month is March 31, with clear, mostly clear, or partly cloudy conditions 30% of the time.

For reference, on March 7, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 73%, while on August 23, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 46%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. At Cartwright, Nfld., the chance of a wet day over the course of March is gradually decreasing, starting the month at 32% and ending it at 29%.

For reference, the year's highest daily chance of a wet day is 43% on July 11, and its lowest chance is 27% on April 21.

Over the course of March at Cartwright, Nfld., the chance of a day with only rain increases from 1% to 5%, the chance of a day with mixed snow and rain increases from 5% to 8%, and the chance of a day with only snow decreases from 25% to 16%.

Rainfall

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

The average sliding 31-day rainfall during March at Cartwright, Nfld. is essentially constant, remaining about 0.6 inches throughout, and rarely exceeding 1.7 inches or falling below -0.0 inches.

Snowfall

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day snowfall during March at Cartwright, Nfld. is very rapidly decreasing, starting the month at 22.8 inches, when it rarely exceeds 38.8 inches or falls below 7.0 inches, and ending the month at 16.9 inches, when it rarely exceeds 28.9 inches or falls below 5.9 inches.

Over the course of March at Cartwright, Nfld., the length of the day is very rapidly increasing. From the start to the end of the month, the length of the day increases by 2 hours, 9 minutes, implying an average daily increase of 4 minutes, 17 seconds, and weekly increase of 30 minutes, 2 seconds.

The shortest day of the month is March 1, with 10 hours, 52 minutes of daylight and the longest day is March 31, with 13 hours, 1 minute of daylight.

The earliest sunrise of the month at Cartwright, Nfld. is 6:15 AM on March 9 and the latest sunrise is 58 minutes later at 7:13 AM on March 10.

The earliest sunset is 5:26 PM on March 1 and the latest sunset is 1 hour, 56 minutes later at 7:22 PM on March 31.

Daylight saving time (DST) ends at 3:00 AM on March 10, 2024, shifting sunrise and sunset to be an hour earlier.

For reference, on June 20, the longest day of the year, the Sun rises at 4:17 AM and sets 17 hours, 5 minutes later, at 9:22 PM, while on December 21, the shortest day of the year, it rises at 8:03 AM and sets 7 hours, 26 minutes later, at 3:29 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 March 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 at Cartwright, Nfld. is essentially constant during March, remaining around 0% throughout.

For reference, on July 25, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.

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 at Cartwright, Nfld. is decreasing during March, decreasing from 10.3 miles per hour to 9.2 miles per hour over the course of the month.

For reference, on December 22, the windiest day of the year, the daily average wind speed is 11.3 miles per hour, while on July 28, the calmest day of the year, the daily average wind speed is 6.2 miles per hour.

The hourly average wind direction at Cartwright, Nfld. throughout March is predominantly from the west, with a peak proportion of 50% on March 1.

Cartwright, Nfld. 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 at Cartwright, Nfld. is essentially constant during March, remaining around 30°F throughout.

The lowest average surface water temperature during March is 30°F on March 22.

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 at Cartwright, Nfld. typically lasts for 3.8 months (116 days), from around June 6 to around September 30, rarely starting before May 19 or after June 26, and rarely ending before September 11 or after October 18.

The month of March at Cartwright, Nfld. is reliably fully outside of 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 at Cartwright, Nfld. are essentially constant during March, remaining around 0°F throughout.

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 at Cartwright, Nfld. is increasing during March, rising by 1.4 kWh, from 2.1 kWh to 3.5 kWh, over the course of the month.