Spring Weather at Nakhon Sawan Airport Thailand

Daily high temperatures are around 96°F, rarely falling below 89°F or exceeding 104°F. The highest daily average high temperature is 99°F on April 14.

Daily low temperatures increase by 4°F, from 76°F to 79°F, rarely falling below 70°F or exceeding 84°F. The highest daily average low temperature is 80°F on April 23.

For reference, on April 12, the hottest day of the year, temperatures at Nakhon Sawan Airport typically range from 80°F to 99°F, while on January 1, the coldest day of the year, they range from 66°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.

Jalapa, Mexico (9,983 miles away); Santa Teresa, Venezuela (10,443 miles); and Lucas, Brazil (10,860 miles) are the far-away foreign places with temperatures most similar to Nakhon Sawan Airport (view comparison).

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The spring at Nakhon Sawan Airport experiences very rapidly increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 41% to 92%.

The clearest day of the spring is March 1, with clear, mostly clear, or partly cloudy conditions 59% of the time.

For reference, on June 17, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 93%, while on February 1, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 63%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. At Nakhon Sawan Airport, the chance of a wet day over the course of the spring is very rapidly increasing, starting the season at 7% and ending it at 50%.

For reference, the year's highest daily chance of a wet day is 64% on September 10, and its lowest chance is 1% on December 19.

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 at Nakhon Sawan Airport is very rapidly increasing, starting the season at 0.6 inches, when it rarely exceeds 1.4 inches, and ending the season at 4.7 inches, when it rarely exceeds 6.9 inches or falls below 2.7 inches.

The highest average 31-day accumulation is 4.8 inches on May 26.

Over the course of the spring at Nakhon Sawan Airport, the length of the day is rapidly increasing. From the start to the end of the season, the length of the day increases by 1 hour, 9 minutes, implying an average daily increase of 46 seconds, and weekly increase of 5 minutes, 20 seconds.

The shortest day of the spring is March 1, with 11 hours, 50 minutes of daylight and the longest day is May 31, with 13 hours, 0 minutes of daylight.

The latest sunrise of the spring at Nakhon Sawan Airport is 6:36 AM on March 1 and the earliest sunrise is 49 minutes earlier at 5:47 AM on May 31.

The earliest sunset is 6:26 PM on March 1 and the latest sunset is 20 minutes later at 6:47 PM on May 31.

Daylight saving time is not observed at Nakhon Sawan Airport during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:49 AM and sets 13 hours, 4 minutes later, at 6:52 PM, while on December 21, the shortest day of the year, it rises at 6:41 AM and sets 11 hours, 12 minutes later, at 5:53 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 at Nakhon Sawan Airport is very rapidly increasing during the spring, rising from 77% to 100% over the course of the season.

For reference, on June 4, the muggiest day of the year, there are muggy conditions 100% of the time, while on January 3, the least muggy day of the year, there are muggy conditions 39% 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 Nakhon Sawan Airport is essentially constant during the spring, remaining within 0.3 miles per hour of 5.6 miles per hour throughout.

For reference, on June 20, the windiest day of the year, the daily average wind speed is 6.1 miles per hour, while on September 24, the calmest day of the year, the daily average wind speed is 4.0 miles per hour.

The lowest daily average wind speed during the spring is 5.2 miles per hour on May 3.

The hourly average wind direction at Nakhon Sawan Airport throughout the spring is predominantly from the south, with a peak proportion of 71% on April 4.

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 at Nakhon Sawan Airport 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 at Nakhon Sawan Airport are very rapidly increasing during the spring, increasing by 3,045°F, from 1,729°F to 4,774°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 at Nakhon Sawan Airport is decreasing during the spring, falling by 1.2 kWh, from 6.0 kWh to 4.9 kWh, over the course of the season.

The highest average daily incident shortwave solar energy during the spring is 6.1 kWh on March 19.

For the purposes of this report, the geographical coordinates of Nakhon Sawan Airport are 15.673 deg latitude, 100.137 deg longitude, and 102 ft elevation.

The topography within 2 miles of Nakhon Sawan Airport contains significant variations in elevation, with a maximum elevation change of 502 feet and an average elevation above sea level of 116 feet. Within 10 miles contains significant variations in elevation (866 feet). Within 50 miles contains very significant variations in elevation (2,579 feet).

The area within 2 miles of Nakhon Sawan Airport is covered by cropland (54%), shrubs (24%), and artificial surfaces (15%), within 10 miles by cropland (66%) and herbaceous vegetation (15%), and within 50 miles by cropland (91%).