inland destination · warmest in Jul · mid-range
Open Waltham on the live value map →| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | -4 | -3 | 2 | 8 | 14 | 19 | 22 | 21 | 17 | 11 | 6 | 0 |
| Rain (days) | 103 | 87 | 104 | 98 | 91 | 90 | 90 | 93 | 94 | 101 | 110 | 104 |
Warmest month: Jul. Driest: Feb.