Spring Weather in Cariari Costa Rica

Daily high temperatures are around 88°F, rarely falling below 83°F or exceeding 93°F. The highest daily average high temperature is 89°F on April 23.

Daily low temperatures are around 75°F, rarely falling below 71°F or exceeding 78°F. The lowest daily average low temperature is 74°F on March 16.

For reference, on April 18, the hottest day of the year, temperatures in Cariari typically range from 75°F to 89°F, while on March 10, the coldest day of the year, they range from 74°F to 88°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.

Pontian Kechil, Malaysia (11,496 miles away); Bandar Lampung, Indonesia (11,746 miles); and Seria, Brunei (10,832 miles) are the far-away foreign places with temperatures most similar to Cariari (view comparison).

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The spring in Cariari experiences very rapidly increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 44% to 93%.

The clearest day of the spring is March 1, with clear, mostly clear, or partly cloudy conditions 56% of the time.

For reference, on June 12, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 94%, while on January 2, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 65%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Cariari, the chance of a wet day over the course of the spring is very rapidly increasing, starting the season at 12% and ending it at 55%.

For reference, the year's highest daily chance of a wet day is 63% on October 6, and its lowest chance is 9% on March 16.

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 Cariari is very rapidly increasing, starting the season at 1.1 inches, when it rarely exceeds 3.2 inches, and ending the season at 7.1 inches, when it rarely exceeds 12.4 inches or falls below 2.5 inches.

The lowest average 31-day accumulation is 0.9 inches on March 17.

Over the course of the spring in Cariari, the length of the day is increasing. From the start to the end of the season, the length of the day increases by 45 minutes, implying an average daily increase of 30 seconds, and weekly increase of 3 minutes, 29 seconds.

The shortest day of the spring is March 1, with 11 hours, 56 minutes of daylight and the longest day is May 31, with 12 hours, 41 minutes of daylight.

The latest sunrise of the spring in Cariari is 5:49 AM on March 1 and the earliest sunrise is 37 minutes earlier at 5:12 AM on May 28.

The earliest sunset is 5:45 PM on March 1 and the latest sunset is 8 minutes later at 5:53 PM on May 31.

Daylight saving time is not observed in Cariari during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:14 AM and sets 12 hours, 44 minutes later, at 5:58 PM, while on December 21, the shortest day of the year, it rises at 5:47 AM and sets 11 hours, 31 minutes later, at 5:19 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 Cariari is very rapidly increasing during the spring, rising from 56% to 98% over the course of the season.

For reference, on June 4, the muggiest day of the year, there are muggy conditions 99% of the time, while on January 23, the least muggy day of the year, there are muggy conditions 47% 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 Cariari is decreasing during the spring, decreasing from 4.2 miles per hour to 2.7 miles per hour over the course of the season.

For reference, on January 30, the windiest day of the year, the daily average wind speed is 4.3 miles per hour, while on October 1, the calmest day of the year, the daily average wind speed is 2.2 miles per hour.

The hourly average wind direction in Cariari throughout the spring is predominantly from the east, with a peak proportion of 91% on March 27.

Cariari 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 Cariari is gradually increasing during the spring, rising by 2°F, from 81°F to 83°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).

Temperatures in Cariari are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

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 Cariari are very rapidly increasing during the spring, increasing by 2,735°F, from 1,758°F to 4,493°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 Cariari is very rapidly decreasing during the spring, falling by 2.3 kWh, from 6.5 kWh to 4.2 kWh, over the course of the season.

The highest average daily incident shortwave solar energy during the spring is 6.8 kWh on March 23.

For the purposes of this report, the geographical coordinates of Cariari are 10.357 deg latitude, -83.736 deg longitude, and 213 ft elevation.

The topography within 2 miles of Cariari contains only modest variations in elevation, with a maximum elevation change of 125 feet and an average elevation above sea level of 213 feet. Within 10 miles contains only modest variations in elevation (758 feet). Within 50 miles contains significant variations in elevation (11,240 feet).

The area within 2 miles of Cariari is covered by trees (46%), grassland (26%), cropland (16%), and shrubs (12%), within 10 miles by trees (60%) and grassland (16%), and within 50 miles by trees (51%) and water (30%).