Greatstone Dunes Road
Temperature (°C) (Maximum)
Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av.
2026 10.3 14.6 14.8 22.2 27.6 31.8 30.2 31.3 24.0 21.2 - - 22.80
2025 12.3 14.0 18.0 18.2 23.8 28.3 26.6 25.9 25.7 18.7 17.1 14.1 20.23
2024 - - - - - - - - 16.7 19.9 16.7 13.4 16.67
Av: 11.3 14.3 16.4 20.2 25.7 30.1 28.4 28.6 22.1 19.9 16.9 13.8 19.90
Temperature (°C) (Minimum)
Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av.
2026 -6.3 0.4 -0.6 1.2 1.0 5.7 9.9 9.7 7.9 6.9 - - 3.59
2025 -3.4 -0.8 -2.0 -0.3 2.4 8.7 9.6 9.2 6.2 2.7 -1.3 3.0 2.82
2024 - - - - - - - - 5.9 2.4 -1.3 1.0 2.01
Av: -4.9 -0.2 -1.3 0.4 1.7 7.2 9.8 9.4 6.7 4.0 -1.3 2.0 2.81
Temperature (°C) (Average)
Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av.
2026 7.2 8.9 8.7 10.8 14.2 17.2 19.9 19.7 17.5 14.8 - - 13.88
2025 4.6 5.8 7.6 10.7 13.1 16.8 18.3 18.1 15.4 12.8 9.8 10.1 11.92
2024 - - - - - - - - 12.9 13.4 8.8 7.6 10.69
Av: 5.9 7.3 8.2 10.7 13.6 17.0 19.1 18.9 15.3 13.6 9.3 8.8 12.16
Frost Days
Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Tot.
2026 7 0 3 0 0 0 0 0 0 0 - - 10
2025 11 1 4 1 0 0 0 0 0 0 4 0 21
2024 - - - - - - - - 0 0 3 0 3
Av: 9 1 4 1 0 0 0 0 0 0 4 0 11
Windchill (°C) (Maximum)
Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av.
2026 10.2 14.4 14.8 22.2 27.6 31.8 30.2 31.3 24.0 21.2 - - 22.77
2025 11.9 12.5 18.0 18.2 23.8 28.3 26.6 25.9 25.7 18.7 17.1 12.8 19.96
2024 - - - - - - - - 15.9 19.9 15.0 13.1 15.98
Av: 11.1 13.5 16.4 20.2 25.7 30.1 28.4 28.6 21.9 19.9 16.1 13.0 19.57
Windchill (°C) (Minimum)
Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av.
2026 -8.7 -1.8 -0.8 0.8 -0.6 5.7 9.9 9.7 7.9 6.9 - - 2.91
2025 -5.9 -3.1 -2.1 -1.0 1.7 6.9 9.6 8.7 5.9 0.7 -4.8 2.7 1.61
2024 - - - - - - - - 5.9 1.3 -4.5 -0.5 0.54
Av: -7.3 -2.4 -1.5 -0.1 0.6 6.3 9.8 9.2 6.6 3.0 -4.6 1.1 1.69
Windchill (°C) (Average)
Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av.
2026 6.3 8.0 7.6 9.7 13.7 17.0 19.9 19.7 17.5 14.8 - - 13.41
2025 3.4 3.8 6.5 9.4 12.4 16.5 18.2 18.1 15.0 12.0 8.9 9.7 11.16
2024 - - - - - - - - 11.9 13.0 7.8 6.0 9.67
Av: 4.8 5.9 7.0 9.5 13.0 16.7 19.1 18.9 14.8 13.3 8.4 7.8 11.41
Heat Index(°C) (Maximum)
Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av.
2026 10.3 14.6 14.8 22.2 28.6 38.1 31.3 33.3 24.0 21.2 - - 23.85
2025 12.3 14.0 18.0 18.2 23.8 30.2 26.6 25.9 25.7 18.7 17.1 14.1 20.38
2024 - - - - - - - - 16.7 19.9 16.7 13.4 16.67
Av: 11.3 14.3 16.4 20.2 26.2 34.1 29.0 29.6 22.1 19.9 16.9 13.8 20.30
Heat Index(°C) (Average)
Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av.
2026 7.2 8.9 8.7 10.8 14.2 17.2 19.9 19.7 17.5 14.8 - - 13.89
2025 4.6 5.8 7.6 10.7 13.1 16.8 18.3 18.1 15.4 12.8 9.8 10.1 11.92
2024 - - - - - - - - 12.9 13.4 8.8 7.6 10.69
Av: 5.9 7.3 8.2 10.7 13.6 17.0 19.1 18.9 15.3 13.6 9.3 8.8 12.17
Wind Speed (Knots) (Maximum)
Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av.
2026 41.7 30.4 36.5 33.0 26.9 30.4 25.2 20.0 0.0 0.0 - - 24.42
2025 38.2 89.5 26.1 28.7 29.5 26.9 27.8 30.4 31.3 33.0 33.0 30.4 35.41
2024 - - - - - - - - 28.7 34.8 39.1 36.5 34.76
Av: 40.0 60.0 31.3 30.8 28.2 28.7 26.5 25.2 20.0 22.6 36.1 33.5 31.53
Wind Speed (Knots) (Average)
Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av.
2026 2.8 3.2 4.8 6.1 4.7 3.4 1.8 0.3 0.0 0.0 - - 2.69
2025 4.1 5.8 4.4 6.4 5.3 5.7 3.8 4.9 5.4 5.2 4.4 1.9 4.78
2024 - - - - - - - - 7.2 4.3 4.5 6.2 5.55
Av: 3.4 4.5 4.6 6.2 5.0 4.5 2.8 2.6 4.2 3.1 4.5 4.0 4.34
Wind Direction (Degrees) (Average)
Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av.
2026 196 182 183 147 156 189 159 163 219 215 - - 181.0
2025 214 164 136 100 129 194 201 173 189 197 224 212 177.7
2024 - - - - - - - - 214 191 186 209 200.2
Av: 205 173 160 123 142 192 180 168 207 201 205 211 186.3
Wind Run(NM's)
Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Tot.
2026 2722.3 2810.2 4622.3 5707.6 4549.8 3187.8 1715.4 281.8 0.0 0.0 - - 25597.1
2025 3937.6 5109.0 4215.5 6014.2 5177.0 5352.1 3694.3 4672.9 5130.2 4999.2 4214.4 1860.7 54377.1
2024 - - - - - - - - 628.7 4134.5 4277.0 5966.2 15006.4
Av: 3329.9 3959.6 4418.9 5860.9 4863.4 4269.9 2704.9 2477.4 1919.6 3044.6 4245.7 3913.5 31660.2
Pressure (mb) (Maximum)
Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av.
2026 1026.5 1025.2 1035.5 1033.6 1035.2 1030.3 1032.9 1029.3 1036.3 1035.4 - - 1032.02
2025 1045.5 1045.8 1039.5 1035.2 1029.0 1032.4 1032.5 1032.2 1030.9 1038.1 1032.3 1032.8 1035.51
2024 - - - - - - - - 1030.8 1036.9 1039.2 1039.3 1036.54
Av: 1036.0 1035.5 1037.5 1034.4 1032.1 1031.3 1032.7 1030.7 1032.7 1036.8 1035.8 1036.0 1034.69
Pressure (mb) (Minimum)
Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av.
2026 970.9 993.4 1002.8 1007.2 1000.0 1000.0 1007.7 1000.0 1006.9 1011.5 - - 1000.05
2025 977.2 1011.2 995.9 998.2 1011.2 1005.5 1000.7 998.0 1000.8 975.2 993.2 1000.0 997.27
2024 - - - - - - - - 1004.1 988.1 997.6 993.3 995.77
Av: 974.1 1002.3 999.4 1002.7 1005.6 1002.7 1004.2 999.0 1003.9 991.6 995.4 996.7 997.70
Pressure (mb) (Average)
Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av.
2026 1006.9 1008.3 1021.9 1023.9 1020.0 1019.8 1023.2 1018.5 1022.7 1025.2 - - 1019.05
2025 1017.1 1025.1 1020.2 1020.6 1021.3 1020.5 1018.8 1019.9 1018.6 1017.8 1011.5 1006.0 1018.13
2024 - - - - - - - - 1018.0 1017.5 1023.3 1024.9 1020.93
Av: 1012.0 1016.7 1021.0 1022.3 1020.7 1020.2 1021.0 1019.2 1019.8 1020.2 1017.4 1015.5 1019.37
Precipitation (in) (Total)
Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Tot.
2026 2.79 1.60 0.53 0.05 0.98 1.59 0.01 1.69 1.73 0.32 - - 11.28
2025 3.83 2.17 0.46 1.35 0.39 1.57 3.80 0.46 2.32 2.59 2.44 0.43 21.81
2024 - - - - - - - - 0.68 3.94 2.61 2.10 9.33
Av: 3.31 1.89 0.49 0.70 0.69 1.58 1.90 1.07 1.58 2.28 2.53 1.26 14.14
Rain Days (>0.04 in)
Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Tot.
2026 7 6 4 0 5 8 0 8 5 2 - - 45
2025 13 9 4 2 2 5 12 2 15 8 8 3 83
2024 - - - - - - - - 2 16 7 14 39
Av: 10 8 4 1 4 7 6 5 7 9 8 9 56
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