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Use the Climate Data lookup to find climate information by ZIP Code. View high, low and average temperatures within an area and the amount of cooling required (CDD), amount of heating required (HDD) and amount of rain in inches.

  • Information is based on 1971 to 2000 normals.
  • Rain is displayed in inches.
  • Monthly and daily averages and yearly totals.
  • The amount of cooling (CDD) and heating (HDD) required.
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Climate Averages for ZIP Code 77555

Nearest weather station at GALVESTON, TX. Elevation 10 Feet
Month High Temp Average Temp Low Temp CDD HDD Rain(Inches) Zip Code Month Number
January 61.9 55.8 49.7 18 316 4.1 77555 1
February 64.4 58.0 51.5 23 220 2.6 77555 2
March 70.0 64.1 58.2 65 94 2.8 77555 3
April 75.2 70.0 64.7 163 15 2.6 77555 4
May 81.4 76.9 72.3 367 0 3.7 77555 5
June 86.6 82.2 77.8 515 0 4.0 77555 6
July 88.7 84.3 79.8 596 0 3.5 77555 7
August 89.3 84.4 79.5 601 0 4.2 77555 8
September 86.5 81.1 75.6 482 0 5.8 77555 9
October 79.7 74.1 68.4 286 6 3.5 77555 10
November 71.3 65.4 59.4 122 112 3.6 77555 11
December 64.3 58.1 51.8 30 245 3.5 77555 12
Yearly Total 3,268 1,008 43.8