CLIMATE CHARTS

Johnston, South Carolina

Latitude: 33.7775 Longitude: -81.8467

Elevation: 620.1 feet (189.0 meters)

Johnston, South Carolina Temperature Chart Daily average maximum and minimum temperatures for Johnston, South Carolina 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 Johnston, South Carolina Precipitation Chart Precipitation chart for Johnston, South Carolina 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 JOHNSTON, SC Daylight chart for JOHNSTON, SC. Latitude 33.8. 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 Johnston, South Carolina

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 52.9 57.3 64.8 73.2 81.6 88.2 91.2 89.2 83.3 73.6 64.7 55.1
Minimum Temperature °F 31.5 34.5 40.6 47.2 56.3 64.7 68.1 67.2 61.1 49.8 40.9 33.1
Heating Degree Days °F 707 536 388 183 39 2 0 0 17 155 375 649
Cooling Degree Days °F 0 1 7 39 162 346 454 410 233 53 9 1
Precipitation in. 4.35 4.18 4.53 3.09 2.99 4.64 4.19 4.89 3.67 3.43 3.37 3.58

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 11.6 14.1 18.2 22.9 27.6 31.2 32.9 31.8 28.5 23.1 18.2 12.8
Minimum Temperature °C -0.3 1.4 4.8 8.4 13.5 18.2 20.1 19.6 16.2 9.9 4.9 0.6
Heating Degree Days °C 393 298 216 102 22 1 0 0 9 86 208 361
Cooling Degree Days °C 0 1 4 22 90 192 252 228 129 29 5 1
Precipitation cm. 11.05 10.62 11.51 7.85 7.59 11.79 10.64 12.42 9.32 8.71 8.56 9.09
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