Average Weather in January in Bandera Texas, United States
Daily high temperatures increase by 2°F, from 61°F to 63°F, rarely falling below 46°F or exceeding 75°F. The lowest daily average high temperature is 61°F on January 5.
Daily low temperatures are around 40°F, rarely falling below 28°F or exceeding 55°F. The lowest daily average low temperature is 39°F on January 6.
For reference, on August 5, the hottest day of the year, temperatures in Bandera typically range from 73°F to 94°F, while on January 6, the coldest day of the year, they range from 39°F to 61°F.
Average High and Low Temperature in January
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on January. 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 January
The month of January in Bandera experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 44% throughout the month. The highest chance of overcast or mostly cloudy conditions is 45% on January 3.
The clearest day of the month is January 23, with clear, mostly clear, or partly cloudy conditions 57% of the time.
For reference, on January 3, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 45%, while on June 15, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 74%.
Cloud Cover Categories in January
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Bandera, the chance of a wet day over the course of January is essentially constant, remaining around 14% throughout.
For reference, the year's highest daily chance of a wet day is 32% on May 27, and its lowest chance is 13% on December 13.
Probability of Precipitation in January
The average sliding 31-day rainfall during January in Bandera is essentially constant, remaining about 1.3 inches throughout, and rarely exceeding 3.3 inches.
The lowest average 31-day accumulation is 1.3 inches on January 21.
Average Monthly Rainfall in January
Over the course of January in Bandera, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 30 minutes, implying an average daily increase of 1 minute, 0 seconds, and weekly increase of 7 minutes, 1 second.
The shortest day of the month is January 1, with 10 hours, 17 minutes of daylight and the longest day is January 31, with 10 hours, 47 minutes of daylight.
Hours of Daylight and Twilight in January
The latest sunrise of the month in Bandera is 7:32 AM on January 10 and the earliest sunrise is 6 minutes earlier at 7:26 AM on January 31.
The earliest sunset is 5:48 PM on January 1 and the latest sunset is 25 minutes later at 6:13 PM on January 31.
Daylight saving time is observed in Bandera during 2021, but it neither starts nor ends during January, so the entire month is in standard time.
For reference, on June 21, the longest day of the year, the Sun rises at 6:36 AM and sets 14 hours, 3 minutes later, at 8:39 PM, while on December 21, the shortest day of the year, it rises at 7:27 AM and sets 10 hours, 14 minutes later, at 5:41 PM.
Sunrise & Sunset with Twilight in January
The figure below presents a compact representation of key lunar data for January 2021. 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 January
The chance that a given day will be muggy in Bandera is essentially constant during January, remaining around 1% throughout.
The lowest chance of a muggy day during January is 0% on January 23.
For reference, on July 3, the muggiest day of the year, there are muggy conditions 78% of the time, while on January 23, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in January
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Bandera is essentially constant during January, remaining within 0.2 miles per hour of 9.5 miles per hour throughout.
For reference, on April 2, the windiest day of the year, the daily average wind speed is 10.9 miles per hour, while on September 10, the calmest day of the year, the daily average wind speed is 8.3 miles per hour.
The lowest daily average wind speed during January is 9.3 miles per hour on January 12.
Average Wind Speed in January
The wind direction in Bandera during January is predominantly out of the north from January 1 to January 8 and the south from January 8 to January 31.
Wind Direction in January
The growing season in Bandera typically lasts for 8.7 months (267 days), from around March 2 to around November 24, rarely starting before February 2 or after March 24, and rarely ending before November 3 or after December 13.
The month of January in Bandera is very likely fully outside of the growing season, with the chance that a given day is in the growing season reaching a low of -0% on January 7.
Time Spent in Various Temperature Bands and the Growing Season in January
The average accumulated growing degree days in Bandera are gradually increasing during January, increasing by 136°F, from 0°F to 136°F, over the course of the month.
Growing Degree Days in January
The average daily incident shortwave solar energy in Bandera is gradually increasing during January, rising by 0.6 kWh, from 3.2 kWh to 3.8 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in January
For the purposes of this report, the geographical coordinates of Bandera are 29.727 deg latitude, -99.074 deg longitude, and 1,240 ft elevation.
The topography within 2 miles of Bandera contains only modest variations in elevation, with a maximum elevation change of 390 feet and an average elevation above sea level of 1,274 feet. Within 10 miles contains only modest variations in elevation (974 feet). Within 50 miles contains very significant variations in elevation (1,978 feet).
The area within 2 miles of Bandera is covered by grassland (61%), trees (14%), shrubs (12%), and cropland (10%), within 10 miles by shrubs (48%) and grassland (27%), and within 50 miles by shrubs (44%) and grassland (24%).
This report illustrates the typical weather in Bandera, 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 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Bandera.
For each station, the records are corrected for the elevation difference between that station and Bandera 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 Bandera is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Bandera and a given station.
The stations contributing to this reconstruction are: Vamc Heliport (39%, 29 kilometers, north); Hondo Municipal Airport (23%, 42 kilometers, south); Castroville Municipal Airport (19%, 48 kilometers, southeast); San Antonio International Airport (14%, 61 kilometers, east); and Edwards County Airport (5%, 109 kilometers, west).
Time zones for airports and weather stations are provided by AskGeo.com .