Last updated: May 6, 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.
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).
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 temperature, precipitation, sunshine, UV index in Lowell, Oregon, United States with other places around the world.
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.
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 |
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.
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 |
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.
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 |