CLIMATE CHARTS

Port Isabel, Texas

Latitude: 26.0942 Longitude: -97.3094

Elevation: 17.1 feet (5.2 meters)

Port Isabel, Texas Temperature Chart Daily average maximum and minimum temperatures for Port Isabel, Texas Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec High & Low Temperature °F  °C -30 -34.4 -20 -28.9 -10 -23.3 0 -17.8 10 -12.2 20 -6.7 30 -1.1 40 4.4 50 10.0 60 15.6 70 21.1 80 26.7 90 32.2 100 37.8 110 43.3 Port Isabel, Texas Precipitation Chart Precipitation chart for Port Isabel, Texas Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Precipitation In. Cm. 0.00 0.00 0.10 0.25 0.20 0.51 0.30 0.76 0.40 1.02 0.50 1.27 0.60 1.52 0.70 1.78 0.80 2.03 0.90 2.29 1.00 2.54 Daylight Chart for PORT ISABEL, TX Daylight chart for PORT ISABEL, TX. Latitude 26.1. Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Sunrise/Sunset Daylight NOON NOON 0 0 2 2 4 4 6 6 8 8 10 10 12 12 14 2 16 4 18 6 20 8 22 10 24 12

Monthly Data Table for Port Isabel, Texas

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 68.4 70.9 75.6 80.2 84.9 89.2 90.1 91.2 88.2 84.1 77.7 70.0
Minimum Temperature °F 51.9 55.0 60.4 66.6 72.8 76.3 76.8 77.0 74.3 69.1 61.9 53.2
Heating Degree Days °F 189 116 49 10 0 0 0 0 0 4 45 173
Cooling Degree Days °F 39 59 142 262 430 532 572 592 488 364 189 68
Precipitation in. 1.88 1.68 1.50 1.51 2.22 2.49 1.91 1.75 6.30 4.03 2.27 1.43

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 20.2 21.6 24.2 26.8 29.4 31.8 32.3 32.9 31.2 28.9 25.4 21.1
Minimum Temperature °C 11.1 12.8 15.8 19.2 22.7 24.6 24.9 25.0 23.5 20.6 16.6 11.8
Heating Degree Days °C 105 64 27 6 0 0 0 0 0 2 25 96
Cooling Degree Days °C 22 33 79 146 239 296 318 329 271 202 105 38
Precipitation cm. 4.78 4.27 3.81 3.84 5.64 6.32 4.85 4.45 16.00 10.24 5.77 3.63
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