Climatological Summary for Year 2018

NAME:Lexington, MA
ELEV:220 feet
LAT:42-27.75 N
LONG:071-14.05 W

Temperature (°F)

Year Month Mean Max Mean Min Mean Heat deg days Cool deg days High Day Low Day Max >= 30 Max <= 30 Min <= 0 Min <= -20
2018 01 34.8 18.6 27.1 1172.3 0.0 59.9 12 -7.0 07 0 12 28 4
2018 02 45.7 26.8 36.8 788.6 0.0 74.8 21 7.3 03 0 4 20 0
2018 03 43.9 28.6 35.6 910.2 0.0 62.3 01 12.7 18 0 0 23 0
2018 04 54.3 35.0 44.1 627.4 0.0 74.5 28 24.4 06 0 0 13 0
2018 05 73.9 50.7 61.9 156.7 60.1 90.4 02 38.3 19 2 0 0 0
2018 06 76.7 55.7 66.1 60.3 93.8 92.0 30 46.5 03 1 0 0 0
2018 07 86.0 64.0 74.3 0.0 289.2 97.4 03 51.7 07 5 0 0 0
2018 08 83.6 65.6 73.7 0.3 270.6 95.1 29 54.6 24 7 0 0 0
2018 09 73.8 57.2 64.8 96.7 92.1 93.7 06 44.2 30 2 0 0 0
2018 10 58.7 41.4 50.0 473.4 8.8 83.1 10 25.8 22 0 0 7 0
2018 11 45.5 31.9 39.0 781.1 0.0 66.8 02 10.1 23 0 2 12 0
2018 12 42.0 25.3 33.7 970.8 0.0 64.3 21 13.8 11 0 2 24 0
60.0 41.8 50.7 6037.7 814.6 97.4 Jul -7.0 Jan 17 20 127 4

Precipitation (in)

Days of rain over
Year Month Total Max observe day Date 0.01 0.10 1.00
2018 01 2.57 0.70 23 12 6 0
2018 02 3.36 0.59 11 15 11 0
2018 03 4.66 2.12 02 20 8 1
2018 04 5.33 2.24 16 15 11 1
2018 05 2.09 0.82 15 14 6 0
2018 06 2.79 1.32 28 10 7 1
2018 07 2.94 1.29 17 10 5 1
2018 08 3.98 1.02 11 15 10 1
2018 09 5.01 1.39 18 12 8 2
2018 10 2.76 1.00 27 29 7 1
2018 11 6.53 1.04 13 17 11 1
2018 12 3.02 0.82 21 8 6 0
45.04 2.24 Apr 177 96 9

Wind Speed (mph)

Year Month Average High Date Dom. direction
2018 01 1.9 36.0 13 244
2018 02 1.0 26.0 17 234
2018 03 1.3 36.0 02 358
2018 04 1.2 32.0 05 237
2018 05 0.8 32.0 05 206
2018 06 0.4 29.0 18 214
2018 07 0.2 22.0 23 194
2018 08 0.1 22.0 29 230
2018 09 0.5 25.0 22 197
2018 10 0.7 35.0 16 240
2018 11 1.2 33.0 03 249
2018 12 0.9 37.0 21 247
0.9 37.0 Dec 239