917  
CDUS44 KBRO 100726  
CLIHRL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BROWNSVILLE, TX  
126 AM CST WED DEC 10 2025  
   
...............................  
 
   
..THE HARLINGEN CLIMATE SUMMARY FOR DECEMBER 9 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1912 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 75 318 PM 88 1922 74 1 85  
2007  
MINIMUM 42 725 AM 33 1976 53 -11 65  
AVERAGE 59 63 -4 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.23 1964 0.04 -0.04 0.00  
MONTH TO DATE 0.08 0.40 -0.32 4.66  
SINCE DEC 1 0.08 0.40 -0.32 4.66  
SINCE JAN 1 34.89 23.22 11.67 35.63  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 5 1 0  
MONTH TO DATE 51 37 14 23  
SINCE DEC 1 51 37 14 23  
SINCE JUL 1 71 104 -33 36  
 
COOLING  
YESTERDAY 0 3 -3 10  
MONTH TO DATE 9 30 -21 28  
SINCE DEC 1 9 30 -21 28  
SINCE JAN 1 4480 4166 314 4496    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 6.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 35  
AVERAGE 68  
   
......................................................  
 
THE HARLINGEN CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 93 1939  
MINIMUM TEMPERATURE (F) 53 30 1978  
 
SUNRISE AND SUNSET  
DECEMBER 10 2025......SUNRISE 708 AM CST SUNSET 540 PM CST  
DECEMBER 11 2025......SUNRISE 708 AM CST SUNSET 540 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab TX Page
Main Text Page