Charlton, Massachusetts Climate
United States
Pop. 12,764 Elev. 272 m / 892 ft
TZ: America/New_York (UTC-4) ·
Charlton sees mild summers peaking at 84°F (29°C) in July, and frigid winters that bottom out around 18°F (-8°C) in January. Humidity pushes the summer feels-like temperature to 90°F (32°C), while wind chill can drive winter lows to 9°F (-13°C). Precipitation occurs on roughly 60 days per year (38.4 in / 975 mm total), with snow on 9 days and 51 in (1302 mm) of annual accumulation. The city averages 111 sunny days per year and around 28 thunderstorm days. Nearby lake water reaches 73°F (23°C) in summer.
| Temperature | 84°F (29°C) high | 18°F (-8°C) low |
| Feels like | 90°F (32°C) high | 9°F (-13°C) low |
| Rain | 60 days | 38.4 in (975 mm) /yr |
| Snow | 9 days | 51.3 in (1302 mm) /yr |
| Sky | 111 sunny | 28 stormy |
| Wind | 3.6 mph (1.6 m/s) avg |
Looking for a place with a climate like Charlton? Explore and filter 150,000+ cities worldwide.
Explore on the MapMonthly Climate Chart
Best months to visit: Jun, Jul, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
46
Jan 65
Feb 61
Mar 67
Apr 79
May 62
Jun 57
Jul 48
Aug 53
Sep 46
Oct 54
Nov 58
Dec Humidity (%)
61
Jan 64
Feb 58
Mar 55
Apr 72
May 70
Jun 70
Jul 64
Aug 73
Sep 69
Oct 66
Nov 65
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 10 mi Worcester Regional Airport (ORH)
Ski resort 20 mi Pine Ridge Ski Area
National park 36 mi Connecticut River Greenway State Park
Mountain peak
(5,089 ft) 140 mi Mount Lincoln
Hospital 5 mi Harrington Hospital
Hiking trail 8 mi Secondary 56
Interested in Charlton?
Hotels
Flights
Real Estate
Insurance
Connectivity
Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 32°F 0°C | 18°F -8°C | 1.1 in 28 mm | 6.5 in165 mm | 12 |
| February | 34°F 1°C | 21°F -6°C | 1.7 in 43 mm | 19.9 in506 mm | 5 |
| March | 50°F 10°C | 32°F 0°C | 3.9 in 98 mm | 0.4 in11 mm | 8 |
| April | 59°F 15°C | 42°F 5°C | 3.4 in 85 mm | 8.6 in219 mm | 6 |
| May | 66°F 19°C | 51°F 11°C | 8.3 in 212 mm | — | 3 |
| June | 77°F 25°C | 61°F 16°C | 3.0 in 77 mm | — | 9 |
| July | 84°F 29°C | 67°F 19°C | 3.7 in 93 mm | — | 10 |
| August | 79°F 26°C | 60°F 15°C | 1.9 in 47 mm | — | 15 |
| September | 73°F 23°C | 55°F 13°C | 3.2 in 82 mm | — | 10 |
| October | 61°F 16°C | 46°F 8°C | 3.7 in 93 mm | — | 18 |
| November | 48°F 9°C | 35°F 2°C | 2.7 in 68 mm | 0.3 in7 mm | 9 |
| December | 35°F 2°C | 21°F -6°C | 1.9 in 47 mm | 15.5 in394 mm | 6 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 12 | 1 |
| February | 5 | 0 |
| March | 8 | 1 |
| April | 6 | 3 |
| May | 3 | 8 |
| June | 9 | 3 |
| July | 10 | 3 |
| August | 15 | 2 |
| September | 10 | 3 |
| October | 18 | 2 |
| November | 9 | 1 |
| December | 6 | 1 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 32°F 0°C |
| February | 32°F 0°C |
| March | 35°F 2°C |
| April | 44°F 7°C |
| May | 55°F 13°C |
| June | 64°F 18°C |
| July | 73°F 23°C |
| August | 69°F 21°C |
| September | 64°F 18°C |
| October | 54°F 12°C |
| November | 41°F 5°C |
| December | 32°F 0°C |