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January Weather at Brady Curtis Field Texas, United States

Daily high temperatures increase by 2°F, from 60°F to 62°F, rarely falling below 42°F or exceeding 76°F. The lowest daily average high temperature is 59°F on January 4.

Daily low temperatures are around 36°F, rarely falling below 23°F or exceeding 51°F.

For reference, on July 31, the hottest day of the year, temperatures at Brady Curtis Field typically range from 72°F to 96°F, while on December 30, the coldest day of the year, they range from 35°F to 60°F.

Average High and Low Temperature in January at Brady Curtis Field

Average High and Low Temperature in January at Brady Curtis FieldJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313120°F20°F25°F25°F30°F30°F35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°FDecFebJan 359°FJan 359°F35°F35°FJan 3162°FJan 3162°F37°F37°FJan 1161°FJan 1161°F36°F36°FJan 2161°FJan 2161°F36°F36°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 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 at Brady Curtis Field

Average Hourly Temperature in January at Brady Curtis FieldJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMDecFebvery coldvery coldcoldcoldcoolcold
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.

Ouarzazat, Morocco (5,286 miles away); Al Quwayrah, Jordan (7,285 miles); and Baffa, Pakistan (7,886 miles) are the far-away foreign places with temperatures most similar to Brady Curtis Field (view comparison).

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The month of January at Brady Curtis Field experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 42% throughout the month.

The clearest day of the month is January 24, with clear, mostly clear, or partly cloudy conditions 59% of the time.

For reference, on February 24, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 43%, while on June 14, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 74%.

Cloud Cover Categories in January at Brady Curtis Field

Cloud Cover Categories in January at Brady Curtis FieldJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%DecFebJan 157%Jan 157%Jan 3158%Jan 3158%Jan 1158%Jan 1158%Jan 2158%Jan 2158%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. At Brady Curtis Field, the chance of a wet day over the course of January is gradually increasing, starting the month at 10% and ending it at 13%.

For reference, the year's highest daily chance of a wet day is 34% on May 26, and its lowest chance is 10% on December 31.

Over the course of January at Brady Curtis Field, the chance of a day with only rain increases from 8% to 11%, the chance of a day with mixed snow and rain remains an essentially constant 1% throughout, and the chance of a day with only snow remains an essentially constant 1% throughout.

Probability of Precipitation in January at Brady Curtis Field

Probability of Precipitation in January at Brady Curtis FieldJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%2%2%4%4%6%6%8%8%10%10%12%12%14%14%16%16%18%18%DecFebJan 110%Jan 110%Jan 3113%Jan 3113%Jan 1110%Jan 1110%Jan 2113%Jan 2113%snowrainmixed
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 month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during January at Brady Curtis Field is essentially constant, remaining about 1.1 inches throughout, and rarely exceeding 3.0 inches.

The lowest average 31-day accumulation is 1.0 inches on January 14.

Average Monthly Rainfall in January at Brady Curtis Field

Average Monthly Rainfall in January at Brady Curtis FieldJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 in2.5 in2.5 in3.0 in3.0 in3.5 in3.5 in4.0 in4.0 inDecFebJan 131.0 inJan 131.0 inJan 11.0 inJan 11.0 inJan 311.2 inJan 311.2 inJan 211.1 inJan 211.1 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 January at Brady Curtis Field, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 31 minutes, implying an average daily increase of 1 minute, 2 seconds, and weekly increase of 7 minutes, 17 seconds.

The shortest day of the month is January 1, with 10 hours, 10 minutes of daylight and the longest day is January 31, with 10 hours, 41 minutes of daylight.

Hours of Daylight and Twilight in January at Brady Curtis Field

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 latest sunrise of the month at Brady Curtis Field is 7:36 AM on January 9 and the earliest sunrise is 7 minutes earlier at 7:30 AM on January 31.

The earliest sunset is 5:45 PM on January 1 and the latest sunset is 26 minutes later at 6:11 PM on January 31.

Daylight saving time is observed at Brady Curtis Field during 2024, but it neither starts nor ends during January, so the entire month is in daylight saving time.

For reference, on June 20, the longest day of the year, the Sun rises at 6:33 AM and sets 14 hours, 11 minutes later, at 8:44 PM, while on December 21, the shortest day of the year, it rises at 7:32 AM and sets 10 hours, 7 minutes later, at 5:39 PM.

Sunrise & Sunset with Twilight in January at Brady Curtis Field

The solar day over the course of January. 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 January at Brady Curtis Field

Solar Elevation and Azimuth in January at Brady Curtis FieldJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMDecFeb001010202020303040500001010202030303040
northeastsouthwest
Solar elevation and azimuth over the course of January 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 January 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 January at Brady Curtis Field

Moon Rise, Set & Phases in January at Brady Curtis FieldJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMDecFebDec 125:33 PMDec 125:33 PMDec 266:34 PMDec 266:34 PMJan 115:58 AMJan 115:58 AMJan 2511:55 AMJan 2511:55 AMFeb 95:00 PMFeb 95:00 PMFeb 246:31 AMFeb 246:31 AM7:15 AM7:15 AM5:16 PM5:16 PM5:20 PM5:20 PM8:23 AM8:23 AM8:04 AM8:04 AM6:12 PM6:12 PM5:08 PM5:08 PM7:49 AM7:49 AM7:27 AM7:27 AM6:13 PM6:13 PM5:56 PM5:56 PM7:27 AM7:27 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.
Jan 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
75%-11:23 AMW11:05 PME4:49 AMS251,587 mi
2
66%-11:48 AMW11:58 PME5:28 AMS251,338 mi
3
50%-12:13 PMW-6:07 AMS250,267 mi
4
46%12:52 AME12:38 PMW-6:46 AMS248,375 mi
5
37%1:48 AMESE1:06 PMWSW-7:27 AMS245,730 mi
6
27%2:46 AMESE1:38 PMWSW-8:12 AMS242,477 mi
7
18%3:48 AMESE2:16 PMWSW-9:02 AMS238,832 mi
8
10%4:54 AMESE3:01 PMWSW-9:57 AMS235,078 mi
9
4%6:01 AMESE3:56 PMWSW-10:58 AMS231,542 mi
10
1%7:05 AMESE5:01 PMWSW-12:03 PMS228,559 mi
11
0%8:04 AMESE6:12 PMWSW-1:08 PMS226,411 mi
12
3%8:54 AMESE7:26 PMWSW-2:10 PMS225,276 mi
13
8%9:37 AMESE8:38 PMWSW-3:08 PMS225,191 mi
14
16%10:14 AMESE9:48 PMW-4:01 PMS226,067 mi
15
26%10:47 AME10:55 PMW-4:50 PMS227,719 mi
16
37%11:18 AME--5:38 PMS229,920 mi
17
50%-12:01 AMW11:49 AME6:25 PMS232,439 mi
18
60%-1:06 AMWNW12:21 PMENE7:13 PMS235,081 mi
19
70%-2:11 AMWNW12:57 PMENE8:03 PMS237,701 mi
20
80%-3:16 AMWNW1:36 PMENE8:55 PMS240,209 mi
21
88%-4:20 AMWNW2:22 PMENE9:50 PMS242,556 mi
22
94%-5:21 AMWNW3:13 PMENE10:45 PMS244,721 mi
23
98%-6:17 AMWNW4:09 PMENE11:39 PMS246,691 mi
24
99%-7:07 AMWNW5:08 PMENE--
25
100%-7:49 AMWNW6:08 PMENE12:31 AMS248,444 mi
26
100%-8:25 AMWNW7:06 PMENE1:19 AMS249,940 mi
27
98%-8:57 AMWNW8:02 PMENE2:04 AMS251,113 mi
28
94%-9:24 AMWNW8:57 PME2:46 AMS251,879 mi
29
88%-9:50 AMW9:50 PME3:25 AMS252,138 mi
30
82%-10:15 AMW10:44 PME4:04 AMS251,791 mi
31
74%-10:40 AMW11:38 PME4:43 AMS250,754 mi

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 Brady Curtis Field is essentially constant during January, remaining around 0% throughout.

For reference, on June 22, the muggiest day of the year, there are muggy conditions 61% of the time, while on January 20, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in January at Brady Curtis Field

Humidity Comfort Levels in January at Brady Curtis FieldJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%DecFebJan 210%Jan 210%Jan 10%Jan 10%Jan 310%Jan 310%Jan 110%Jan 110%drydrycomfortablecomfortablehumidhumid
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 at Brady Curtis Field is essentially constant during January, remaining within 0.2 miles per hour of 10.2 miles per hour throughout.

For reference, on April 1, the windiest day of the year, the daily average wind speed is 12.0 miles per hour, while on September 4, the calmest day of the year, the daily average wind speed is 8.7 miles per hour.

The lowest daily average wind speed during January is 10.0 miles per hour on January 8.

Average Wind Speed in January at Brady Curtis Field

The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The hourly average wind direction at Brady Curtis Field throughout January is predominantly from the south, with a peak proportion of 36% on January 31.

Wind Direction in January at Brady Curtis Field

Wind Direction in January at Brady Curtis FieldJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%DecFebwestsouthnortheast
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).

The growing season at Brady Curtis Field typically lasts for 8.0 months (243 days), from around March 15 to around November 13, rarely starting before February 19 or after April 10, and rarely ending before October 26 or after December 2.

The month of January at Brady Curtis Field is reliably fully outside of the growing season.

Time Spent in Various Temperature Bands and the Growing Season in January at Brady Curtis Field

Time Spent in Various Temperature Bands and the Growing Season in January at Brady Curtis FieldJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%DecFebJan 10%Jan 10%Jan 313%Jan 313%Jan 110%Jan 110%Jan 211%Jan 211%Feb 1910%Feb 1910%freezingvery coldcoldcoolcomfortablewarm
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 at Brady Curtis Field are gradually increasing during January, increasing by 117°F, from 4°F to 121°F, over the course of the month.

Growing Degree Days in January at Brady Curtis Field

Growing Degree Days in January at Brady Curtis FieldJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313120°F20°F40°F40°F60°F60°F80°F80°F100°F100°F120°F120°F140°F140°F160°F160°F180°F180°FDecFebJan 14°FJan 14°FJan 31121°FJan 31121°FJan 1140°FJan 1140°FJan 2179°FJan 2179°F
The average growing degree days accumulated over the course of January, 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 at Brady Curtis Field 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 at Brady Curtis Field

Average Daily Incident Shortwave Solar Energy in January at Brady Curtis FieldJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWhDecFebJan 13.2 kWhJan 13.2 kWhJan 313.8 kWhJan 313.8 kWhJan 113.3 kWhJan 113.3 kWhJan 213.5 kWhJan 213.5 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 Brady Curtis Field are 31.179 deg latitude, -99.323 deg longitude, and 1,814 ft elevation.

The topography within 2 miles of Brady Curtis Field contains only modest variations in elevation, with a maximum elevation change of 184 feet and an average elevation above sea level of 1,785 feet. Within 10 miles contains only modest variations in elevation (505 feet). Within 50 miles contains significant variations in elevation (1,463 feet).

The area within 2 miles of Brady Curtis Field is covered by grassland (55%) and shrubs (37%), within 10 miles by shrubs (50%) and grassland (43%), and within 50 miles by shrubs (54%) and grassland (37%).

This report illustrates the typical weather at Brady Curtis Field, 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

Brady Curtis Field has a weather station that reported reliably enough during the analysis period that we have included it in our network. When available, historical temperature and dew point measurements are taken directly from this weather station. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required.

In the case of missing or erroneous measurements from this station, we fall back on records from nearby stations, adjusted according to typical seasonal and diurnal intra-station differences. For a given day of the year and hour of the day, the fallback station is selected to minimize the prediction error over the years for which there are measurements for both stations.

The stations on which we may fall back include but are not limited to Coleman Municipal Airport, Brownwood Municipal Airport, Llano Municipal Airport, Kimble County Airport, Gillespie County Airport, Comanche County-City Airport, Lampasas Airport, and Horseshoe Bay Resort Airport.

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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