Lowell Climate by Month
Lowell, Massachusetts, United States
Warm summers and freezing winters, with rain spread through the year.
The climate in Lowell is one of warm summers and freezing winters, with rain spread through the year. July is the warmest month, with highs around 84°F (29°C); January is the coolest at 35°F (2°C), and nights dip to 16°F (-9°C). About 45 in (1153 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 84°F(29°C)
- Average high, July
- Coldest nights
- 16°F(-9°C)
- Average low, January
- Rain per year
- 45 in(1153 mm)
- No clear rainy season
- Humidity
- 64%
- Sunniest: July
Best and worst months in Lowell
Best for weatherThe most comfortable weather comes in June and September, with highs around 77°F (25°C) and about 3.7 in (94 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 35°F (2°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Lowell weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 35°F(2°C) | 16°F(-9°C) | 3.6 in(91 mm) | 64% | 1.6 |
| FebFebruary | 38°F(4°C) | 18°F(-8°C) | 3.1 in(79 mm) | 58% | 2.5 |
| MarMarch | 46°F(8°C) | 26°F(-3°C) | 4.2 in(106 mm) | 56% | 3.5 |
| AprApril | 58°F(15°C) | 36°F(2°C) | 4.0 in(101 mm) | 55% | 4.6 |
| MayMay | 70°F(21°C) | 46°F(8°C) | 3.5 in(88 mm) | 61% | 5.1 |
| JunJuneBest | 78°F(26°C) | 55°F(13°C) | 3.8 in(96 mm) | 67% | 5.5 |
| JulJuly | 84°F(29°C) | 61°F(16°C) | 3.8 in(96 mm) | 69% | 5.6 |
| AugAugust | 83°F(28°C) | 60°F(16°C) | 3.4 in(87 mm) | 68% | 5.1 |
| SepSeptemberBest | 76°F(25°C) | 53°F(11°C) | 3.6 in(92 mm) | 73% | 4.0 |
| OctOctober | 64°F(18°C) | 41°F(5°C) | 4.3 in(110 mm) | 67% | 2.6 |
| NovNovember | 52°F(11°C) | 32°F(0°C) | 3.9 in(100 mm) | 66% | 1.7 |
| DecDecember | 41°F(5°C) | 23°F(-5°C) | 4.2 in(107 mm) | 65% | 1.4 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate
All 20 places like Lowell →- 🇺🇸ChicopeeMassachusetts, United States · Pop. 57k99%matchSame winter lowsSame summer highsLowell vs Chicopee →
- 🇺🇸West TorringtonConnecticut, United States · Pop. 36k99%matchSame winter lowsSame sunshineLowell vs West Torrington →
- 🇺🇸AlbanyNew York, United States · Pop. 101k98%matchSame winter lowsSame summer highsLowell vs Albany →
- 🇺🇸PortlandMaine, United States · Pop. 67k97%matchSame winter lowsSame sunshineLowell vs Portland →
- 🇺🇸BinghamtonNew York, United States · Pop. 46k96%matchSame winter lowsSame summer highsLowell vs Binghamton →