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Monthly climate in Lowell, Oregon, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Lowell features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 4 °C (39 °F) and 20 °C (69 °F) through the year, but rarely can drop to -14 °C (7 °F) or can rise to as high as 43 °C (110 °F). The average annual precipitation amounts to about 1555 mm (61.2 inches) and receives 143 rainy days on the 1 mm (0.04 inches) threshold annually. Lowell enjoys an average of 2854 hours of sunshine throughout the year, and daylight varies from 8 hours 56 minutes to 15 hours 24 minutes per day.

Monthly average temperatures in Lowell, Oregon, United States §

The warmest months in Lowell are July, August and September, with daily mean temperatures ranging from 17 to 20 °C (62 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 4 °C (39 - 40 °F) throughout the day. On average each year, Lowell experiences 61 days above 25 °C (77.0 °F) and 54 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Lowell, Oregon, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 18°C
(64°F)		 20°C
(68°F)		 22°C
(71°F)		 27°C
(81°F)		 30°C
(86°F)		 43°C
(110°F)		 36°C
(98°F)		 40°C
(105°F)		 36°C
(97°F)		 27°C
(81°F)		 20°C
(69°F)		 19°C
(66°F)
Mean maximum 14°C
(58°F)		 15°C
(60°F)		 19°C
(67°F)		 24°C
(76°F)		 27°C
(81°F)		 32°C
(90°F)		 34°C
(94°F)		 37°C
(99°F)		 33°C
(91°F)		 24°C
(75°F)		 18°C
(64°F)		 15°C
(59°F)
Average high 9°C
(48°F)		 8°C
(47°F)		 11°C
(53°F)		 15°C
(59°F)		 18°C
(65°F)		 22°C
(73°F)		 28°C
(82°F)		 28°C
(83°F)		 23°C
(75°F)		 17°C
(62°F)		 12°C
(53°F)		 8°C
(46°F)
Daily mean 4°C
(40°F)		 4°C
(39°F)		 6°C
(43°F)		 9°C
(49°F)		 13°C
(55°F)		 16°C
(62°F)		 20°C
(68°F)		 20°C
(69°F)		 17°C
(62°F)		 11°C
(51°F)		 7°C
(45°F)		 4°C
(40°F)
Average low 1°C
(34°F)		 0°C
(33°F)		 2°C
(35°F)		 4°C
(39°F)		 7°C
(45°F)		 10°C
(50°F)		 12°C
(54°F)		 12°C
(55°F)		 10°C
(50°F)		 5°C
(42°F)		 3°C
(38°F)		 1°C
(34°F)
Mean minimum -5°C
(22°F)		 -6°C
(21°F)		 -4°C
(26°F)		 -2°C
(29°F)		 1°C
(35°F)		 5°C
(41°F)		 8°C
(47°F)		 7°C
(45°F)		 4°C
(40°F)		 -1°C
(31°F)		 -4°C
(26°F)		 -5°C
(23°F)
Minimum -14°C
(7°F)		 -13°C
(8°F)		 -6°C
(21°F)		 -4°C
(26°F)		 0°C
(33°F)		 4°C
(40°F)		 6°C
(43°F)		 6°C
(43°F)		 3°C
(38°F)		 -4°C
(26°F)		 -6°C
(22°F)		 -8°C
(18°F)

Compare climate in Lowell with other places

Compare temperature, precipitation, sunshine, UV index in Lowell, Oregon, United States with other places around the world.

Monthly average precipitation in Lowell, Oregon, United States §

Lowell usually has the most precipitation in January, February and December, with an average of 18 rainy days and 215 mm (8.5 inches) of precipitation per month. The driest months in Lowell are June, July and August. On average, 23 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Lowell, Oregon, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 189 (7.4) 241 (9.5) 169 (6.6) 175 (6.9) 85 (3.3) 57 (2.2) 3 (0.1) 8 (0.3) 101 (4.0) 133 (5.2) 179 (7.1) 216 (8.5)
Average precipitation days (≥ 1 mm) 16 19 17 15 12 8 1 2 7 12 15 19

Monthly sunshine hours in Lowell, Oregon, United States §

The sunniest months in Lowell are June, July and August, when the sun shines an average of 12 hours 0 minutes a day. Least sunny months in Lowell: January, February and December receive an average of 3 hours 49 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Lowell, Oregon, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 100 124 203 237 300 340 400 364 282 227 150 122
Mean daily daylight hours 9h 19m 10h 29m 11h 58m 13h 28m 14h 45m 15h 24m 15h 2m 13h 53m 12h 26m 10h 56m 9h 37m 8h 56m

Solar UV radiation in Lowell, Oregon, United States §

Lowell experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High category of sun exposure. January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Lowell UV Index data.

Average daily maximum UV levels by month for Lowell, Oregon, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 2 4 6 7 10 10 10 9 8 5 3 2

Detailed Monthly Weather Insights for Lowell, Oregon, United States

Discover in-depth weather details for every month in Lowell. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Lowell's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.