Lowell, MA

Climate overview — based on NOAA 1991-2020 normals from LOWELL, MA US.

Dfa Hot-summer humid continental climate 7a USDA hardiness Zone 7a

Year-round temperatures (°F)

10° 30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Lowell has an annual average temperature of 49°F with about 48.5 inches of precipitation per year. The warmest month is July (average high 84.7°F), and the coldest is January (average low 15.8°F). October is typically the wettest month (5.00 in) and February the driest (3.20 in).

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
47.9°F
warmest to coldest month
Heating need
6,240
Cooling need
477

Best time to visit Lowell

Full guide →

Climate change signal

All-time records →

51 of 366 (13.9%) of Lowell's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1880s
1
1890s
13
1900s
14
1910s
21
1920s
9
1930s
16
1940s
38
1950s
52
1960s
27
1970s
3
1980s
7
1990s
45
2000s
51
2010s
36
2020s
33

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 34.0°F 15.8°F 24.9°F 3.61 in 11
February 37.3°F 16.9°F 27.1°F 3.20 in 9
March 45.4°F 24.4°F 34.9°F 4.32 in 11
April 59.0°F 34.6°F 46.8°F 4.06 in 11
May 70.0°F 45.0°F 57.5°F 3.81 in 13
June 79.0°F 55.0°F 67.0°F 4.37 in 11
July 84.7°F 60.9°F 72.8°F 3.86 in 10
August 83.0°F 59.3°F 71.1°F 4.00 in 10
September 75.5°F 51.5°F 63.5°F 3.89 in 9
October 62.4°F 39.5°F 50.9°F 5.00 in 11
November 50.5°F 30.3°F 40.4°F 3.85 in 11
December 39.8°F 22.1°F 31.0°F 4.54 in 11

Climate twins of Lowell

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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