Spring Weather in Raglan New Zealand

Daily high temperatures increase by 9°F, from 59°F to 68°F, rarely falling below 55°F or exceeding 73°F.

Daily low temperatures increase by 9°F, from 47°F to 56°F, rarely falling below 39°F or exceeding 61°F.

For reference, on February 6, the hottest day of the year, temperatures in Raglan typically range from 61°F to 74°F, while on July 14, the coldest day of the year, they range from 44°F to 56°F.

The figure below shows you a compact characterization of the hourly average spring 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.

A Coruña, Spain (12,028 miles away) is the far-away foreign place with temperatures most similar to Raglan (view comparison).

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The spring in Raglan experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 44% throughout the season.

The clearest day of the spring is November 14, with clear, mostly clear, or partly cloudy conditions 58% of the time.

For reference, on June 2, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 47%, while on March 17, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 68%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Raglan, the chance of a wet day over the course of the spring is very rapidly decreasing, starting the season at 37% and ending it at 28%.

For reference, the year's highest daily chance of a wet day is 40% on July 1, and its lowest chance is 22% on February 11.

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 spring in Raglan is gradually decreasing, starting the season at 3.0 inches, when it rarely exceeds 4.9 inches or falls below 1.4 inches, and ending the season at 2.7 inches, when it rarely exceeds 4.5 inches or falls below 1.1 inches.

The lowest average 31-day accumulation is 2.4 inches on November 8.

Over the course of the spring in Raglan, the length of the day is very rapidly increasing. From the start to the end of the season, the length of the day increases by 3 hours, 16 minutes, implying an average daily increase of 2 minutes, 11 seconds, and weekly increase of 15 minutes, 16 seconds.

The shortest day of the spring is September 1, with 11 hours, 17 minutes of daylight and the longest day is November 30, with 14 hours, 34 minutes of daylight.

The latest sunrise of the spring in Raglan is 6:59 AM on September 29 and the earliest sunrise is 1 hour, 7 minutes earlier at 5:52 AM on November 30.

The earliest sunset is 5:59 PM on September 1 and the latest sunset is 2 hours, 27 minutes later at 8:26 PM on November 30.

Daylight saving time (DST) ends at 3:00 AM on September 29, 2024, shifting sunrise and sunset to be an hour earlier.

For reference, on December 21, the longest day of the year, the Sun rises at 5:54 AM and sets 14 hours, 47 minutes later, at 8:42 PM, while on June 20, the shortest day of the year, it rises at 7:35 AM and sets 9 hours, 33 minutes later, at 5:08 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 spring 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 Raglan is essentially constant during the spring, remaining within 1% of 1% throughout.

For reference, on February 9, the muggiest day of the year, there are muggy conditions 11% of the time, while on June 26, 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 in Raglan is essentially constant during the spring, remaining within 0.7 miles per hour of 13.5 miles per hour throughout.

For reference, on October 7, the windiest day of the year, the daily average wind speed is 14.1 miles per hour, while on February 9, the calmest day of the year, the daily average wind speed is 10.8 miles per hour.

The highest daily average wind speed during the spring is 14.1 miles per hour on October 7.

The hourly average wind direction in Raglan throughout the spring is predominantly from the west, with a peak proportion of 53% on October 7.

Raglan 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 Raglan is increasing during the spring, rising by 6°F, from 57°F to 63°F, over the course of the season.

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).

While it does not do so every year, freezing temperatures are seen in Raglan over some winters. The day least likely to be in the growing season is July 3, with a 69% chance.

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 Raglan are rapidly increasing during the spring, increasing by 641°F, from 152°F to 793°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 Raglan is very rapidly increasing during the spring, rising by 3.5 kWh, from 3.6 kWh to 7.1 kWh, over the course of the season.

For the purposes of this report, the geographical coordinates of Raglan are -37.800 deg latitude, 174.883 deg longitude, and 102 ft elevation.

The topography within 2 miles of Raglan contains only modest variations in elevation, with a maximum elevation change of 476 feet and an average elevation above sea level of 86 feet. Within 10 miles contains only modest variations in elevation (2,343 feet). Within 50 miles also contains large variations in elevation (3,182 feet).

The area within 2 miles of Raglan is covered by water (47%), trees (29%), and grassland (20%), within 10 miles by water (37%) and trees (33%), and within 50 miles by water (49%) and cropland (29%).