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Winter Weather in Bang Rachan Thailand

Daily high temperatures increase by 7°F, from 89°F to 96°F, rarely falling below 82°F or exceeding 100°F. The lowest daily average high temperature is 88°F on December 14.

Daily low temperatures increase by 5°F, from 71°F to 76°F, rarely falling below 62°F or exceeding 79°F. The lowest daily average low temperature is 68°F on January 1.

For reference, on April 11, the hottest day of the year, temperatures in Bang Rachan typically range from 80°F to 98°F, while on January 1, the coldest day of the year, they range from 68°F to 89°F.

Average High and Low Temperature in the Winter in Bang Rachan

Average High and Low Temperature in the Winter in Bang RachanDecJanFeb60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°F95°F95°F100°F100°F105°F105°FFallSpringDec 1388°FDec 1388°F69°F69°FFeb 2896°FFeb 2896°F76°F76°FJan 189°FJan 189°F68°F68°FFeb 192°FFeb 192°F71°F71°F
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

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

Average Hourly Temperature in the Winter in Bang Rachan

Average Hourly Temperature in the Winter in Bang RachanDecJanFeb12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMFallSpringcomfortablewarmwarmhotsweltering
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Pasaquina, El Salvador (10,410 miles away); Santa Teresa, Venezuela (10,502 miles); and Anajatuba, Brazil (9,930 miles) are the far-away foreign places with temperatures most similar to Bang Rachan (view comparison).

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The winter in Bang Rachan experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 53% to 43%. The lowest chance of overcast or mostly cloudy conditions is 39% on February 10.

The clearest day of the winter is February 10, with clear, mostly clear, or partly cloudy conditions 61% of the time.

For reference, on June 12, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 92%, while on February 10, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 61%.

Cloud Cover Categories in the Winter in Bang Rachan

Cloud Cover Categories in the Winter in Bang RachanDecJanFeb0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%FallSpringJun 128%Jun 128%Dec 147%Dec 147%Feb 2857%Feb 2857%Jan 159%Jan 159%Feb 160%Feb 160%clearmostly clearpartly cloudymostly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Bang Rachan, the chance of a wet day over the course of the winter is gradually increasing, starting the season at 4% and ending it at 7%.

For reference, the year's highest daily chance of a wet day is 66% on September 17, and its lowest chance is 1% on December 21.

Probability of Precipitation in the Winter in Bang Rachan

Probability of Precipitation in the Winter in Bang RachanDecJanFeb0%0%5%5%10%10%15%15%20%20%25%25%FallSpringDec 201%Dec 201%Dec 14%Dec 14%Feb 287%Feb 287%Jan 11%Jan 11%Feb 14%Feb 14%rain
The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

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 winter in Bang Rachan is essentially constant, remaining about 0.3 inches throughout, and rarely exceeding 1.3 inches or falling below -0.0 inches.

The lowest average 31-day accumulation is 0.1 inches on December 30.

Average Monthly Rainfall in the Winter in Bang Rachan

Average Monthly Rainfall in the Winter in Bang RachanDecJanFeb0 in0 in1 in1 in2 in2 in3 in3 in4 in4 in5 in5 in6 in6 inFallSpringDec 290.1 inDec 290.1 inDec 10.4 inDec 10.4 inFeb 280.5 inFeb 280.5 inFeb 10.2 inFeb 10.2 in
The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.

Over the course of the winter in Bang Rachan, the length of the day is increasing. From the start to the end of the season, the length of the day increases by 31 minutes, implying an average daily increase of 21 seconds, and weekly increase of 2 minutes, 27 seconds.

The shortest day of the winter is December 21, with 11 hours, 15 minutes of daylight and the longest day is February 28, with 11 hours, 50 minutes of daylight.

Hours of Daylight and Twilight in the Winter in Bang Rachan

Hours of Daylight and Twilight in the Winter in Bang RachanDecJanFeb0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrFallSpringDec 2111 hr, 15 minDec 2111 hr, 15 minnightnightdaydayFeb 2811 hr, 50 minFeb 2811 hr, 50 minFeb 111 hr, 30 minFeb 111 hr, 30 min
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The earliest sunrise of the winter in Bang Rachan is 6:28 AM on December 1 and the latest sunrise is 20 minutes later at 6:48 AM on January 23.

The earliest sunset is 5:47 PM on December 1 and the latest sunset is 39 minutes later at 6:26 PM on February 28.

Daylight saving time is not observed in Bang Rachan during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:50 AM and sets 13 hours, 0 minutes later, at 6:50 PM, while on December 21, the shortest day of the year, it rises at 6:39 AM and sets 11 hours, 15 minutes later, at 5:54 PM.

Sunrise & Sunset with Twilight in the Winter in Bang Rachan

Sunrise & Sunset with Twilight in the Winter in Bang RachanDecJanFeb2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMFallSpring6:28 AM6:28 AMDec 15:47 PMDec 15:47 PM6:36 AM6:36 AMFeb 286:26 PMFeb 286:26 PM6:48 AM6:48 AMJan 236:13 PMJan 236:13 PM6:44 AM6:44 AMJan 16:00 PMJan 16:00 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day in the winter. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

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.

Solar Elevation and Azimuth in the Winter in Bang Rachan

Solar Elevation and Azimuth in the Winter in Bang RachanDecJanFeb12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMFallSpring0010202030304050506000101020303040405060
northeastsouthwest
Solar elevation and azimuth in the the winter of 2024. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

The figure below presents a compact representation of key lunar data for the winter 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.

Moon Rise, Set & Phases in the Winter in Bang Rachan

Moon Rise, Set & Phases in the Winter in Bang RachanDecJanFeb12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMFallSpringNov 17:48 PMNov 17:48 PMNov 164:29 AMNov 164:29 AMDec 11:22 PMDec 11:22 PMDec 154:02 PMDec 154:02 PMDec 315:28 AMDec 315:28 AMJan 145:28 AMJan 145:28 AMJan 297:37 PMJan 297:37 PMFeb 128:54 PMFeb 128:54 PMFeb 287:45 AMFeb 287:45 AMMar 141:55 PMMar 141:55 PMMar 295:58 PMMar 295:58 PM5:50 AM5:50 AM5:10 PM5:10 PM6:29 AM6:29 AM6:19 AM6:19 AM5:43 PM5:43 PM5:44 PM5:44 PM7:24 AM7:24 AM6:21 PM6:21 PM5:32 PM5:32 PM7:03 AM7:03 AM6:34 AM6:34 AM6:08 PM6:08 PM6:13 PM6:13 PM7:10 AM7:10 AM6:41 AM6:41 AM6:49 PM6:49 PM6:34 PM6:34 PM6:54 AM6:54 AM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.

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 Bang Rachan is rapidly increasing during the winter, rising from 66% to 78% over the course of the season.

The lowest chance of a muggy day during the winter is 36% on January 2.

For reference, on May 25, the muggiest day of the year, there are muggy conditions 100% of the time, while on January 2, the least muggy day of the year, there are muggy conditions 36% of the time.

Humidity Comfort Levels in the Winter in Bang Rachan

Humidity Comfort Levels in the Winter in Bang RachanDecJanFeb0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%FallSpringJan 236%Jan 236%Dec 166%Dec 166%Feb 2878%Feb 2878%Feb 155%Feb 155%miserablemiserableoppressiveoppressivemuggymuggyhumidhumidcomfortablecomfortabledrydry
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.

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 Bang Rachan is essentially constant during the winter, remaining within 0.6 miles per hour of 6.4 miles per hour throughout.

For reference, on June 25, the windiest day of the year, the daily average wind speed is 7.4 miles per hour, while on October 1, the calmest day of the year, the daily average wind speed is 4.6 miles per hour.

The highest daily average wind speed during the winter is 7.0 miles per hour on December 13.

Average Wind Speed in the Winter in Bang Rachan

Average Wind Speed in the Winter in Bang RachanDecJanFeb0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mphFallSpringDec 137.0 mphDec 137.0 mphFeb 286.6 mphFeb 286.6 mphJan 16.4 mphJan 16.4 mphFeb 16.0 mphFeb 16.0 mph
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The wind direction in Bang Rachan during the winter is predominantly out of the east from December 1 to February 3 and the south from February 3 to February 28.

Wind Direction in the Winter in Bang Rachan

Wind Direction in the Winter in Bang RachanESDecJanFeb0%100%20%80%40%60%60%40%80%20%100%0%FallSpringsoutheastnorthwest
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

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 Bang Rachan 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.

Time Spent in Various Temperature Bands and the Growing Season in the Winter in Bang Rachan

Time Spent in Various Temperature Bands and the Growing Season in the Winter in Bang RachanDecJanFeb0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%FallSpring100%Jan 15100%Jan 15comfortablewarmhotswelteringcool
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within 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 in Bang Rachan are very rapidly decreasing during the winter, decreasing by 8,992°F, from 10,714°F to 1,722°F, over the course of the season.

Growing Degree Days in the Winter in Bang Rachan

Growing Degree Days in the Winter in Bang RachanDecJanFeb2,000°F2,000°F4,000°F4,000°F6,000°F6,000°F8,000°F8,000°F10,000°F10,000°FFallSpringDec 110,714°FDec 110,714°FFeb 281,722°FFeb 281,722°F
The average growing degree days accumulated over the course of the winter, with 25th to 75th and 10th to 90th percentile bands.

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 Bang Rachan is gradually increasing during the winter, rising by 0.8 kWh, from 5.2 kWh to 6.0 kWh, over the course of the season.

Average Daily Incident Shortwave Solar Energy in the Winter in Bang Rachan

Average Daily Incident Shortwave Solar Energy in the Winter in Bang RachanDecJanFeb0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWhFallSpringDec 15.2 kWhDec 15.2 kWhFeb 286.0 kWhFeb 286.0 kWhJan 15.3 kWhJan 15.3 kWhFeb 15.6 kWhFeb 15.6 kWh
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

For the purposes of this report, the geographical coordinates of Bang Rachan are 14.797 deg latitude, 100.307 deg longitude, and 39 ft elevation.

The topography within 2 miles of Bang Rachan is essentially flat, with a maximum elevation change of 69 feet and an average elevation above sea level of 36 feet. Within 10 miles is essentially flat (121 feet). Within 50 miles contains only modest variations in elevation (2,152 feet).

The area within 2 miles of Bang Rachan is covered by cropland (100%), within 10 miles by cropland (96%), and within 50 miles by cropland (92%).

This report illustrates the typical weather in Bang Rachan, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Bang Rachan.

For each station, the records are corrected for the elevation difference between that station and Bang Rachan according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Bang Rachan is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Bang Rachan and a given station.

The stations contributing to this reconstruction are:

To get a sense of how much these sources agree with each other, you can view a comparison of Bang Rachan and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

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