nomadseason

Monthly climate in Scappoose, Oregon, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Scappoose features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 4 °C (40 °F) and 20 °C (68 °F) through the year, but rarely can drop to -13 °C (9 °F) or can rise to as high as 44 °C (112 °F). The average annual precipitation amounts to about 1266 mm (49.8 inches) and receives 143 rainy days on the 1 mm (0.04 inches) threshold annually. Scappoose enjoys an average of 2614 hours of sunshine throughout the year, and daylight varies from 8 hours 43 minutes to 15 hours 38 minutes per day.

Monthly average temperatures in Scappoose, Oregon, United States §

The warmest months in Scappoose are July, August and September, with daily mean temperatures ranging from 17 to 20 °C (62 - 68 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 5 °C (40 - 41 °F) throughout the day. On average each year, Scappoose experiences 47 days above 25 °C (77.0 °F) and 32 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Scappoose, 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 14°C
(57°F)		 16°C
(61°F)		 22°C
(72°F)		 29°C
(84°F)		 31°C
(88°F)		 44°C
(112°F)		 36°C
(97°F)		 38°C
(101°F)		 34°C
(93°F)		 25°C
(77°F)		 18°C
(64°F)		 14°C
(58°F)
Mean maximum 12°C
(54°F)		 13°C
(56°F)		 18°C
(65°F)		 24°C
(75°F)		 28°C
(83°F)		 33°C
(92°F)		 33°C
(92°F)		 36°C
(97°F)		 31°C
(88°F)		 21°C
(71°F)		 17°C
(62°F)		 13°C
(56°F)
Average high 8°C
(46°F)		 8°C
(47°F)		 11°C
(53°F)		 15°C
(59°F)		 19°C
(66°F)		 22°C
(72°F)		 26°C
(78°F)		 27°C
(80°F)		 22°C
(73°F)		 16°C
(61°F)		 11°C
(51°F)		 7°C
(45°F)
Daily mean 5°C
(41°F)		 4°C
(40°F)		 7°C
(45°F)		 10°C
(50°F)		 13°C
(57°F)		 16°C
(62°F)		 19°C
(66°F)		 20°C
(68°F)		 17°C
(62°F)		 11°C
(52°F)		 7°C
(45°F)		 5°C
(40°F)
Average low 3°C
(37°F)		 1°C
(35°F)		 3°C
(38°F)		 5°C
(42°F)		 9°C
(48°F)		 11°C
(52°F)		 13°C
(55°F)		 14°C
(57°F)		 12°C
(53°F)		 7°C
(44°F)		 4°C
(40°F)		 2°C
(36°F)
Mean minimum -4°C
(25°F)		 -5°C
(23°F)		 -2°C
(29°F)		 -0°C
(32°F)		 3°C
(38°F)		 6°C
(43°F)		 10°C
(49°F)		 9°C
(49°F)		 6°C
(44°F)		 -0°C
(32°F)		 -2°C
(29°F)		 -3°C
(27°F)
Minimum -13°C
(9°F)		 -7°C
(19°F)		 -4°C
(25°F)		 -1°C
(30°F)		 2°C
(36°F)		 5°C
(41°F)		 8°C
(46°F)		 9°C
(48°F)		 5°C
(42°F)		 -2°C
(29°F)		 -4°C
(25°F)		 -4°C
(25°F)

Compare climate in Scappoose with other places

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

Monthly average precipitation in Scappoose, Oregon, United States §

Scappoose usually has the most precipitation in January, November and December, with an average of 17 rainy days and 176 mm (6.9 inches) of precipitation per month. The driest months in Scappoose 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 Scappoose, 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) 176 (6.9) 163 (6.4) 140 (5.5) 119 (4.7) 64 (2.5) 54 (2.1) 8 (0.3) 8 (0.3) 74 (2.9) 107 (4.2) 166 (6.5) 186 (7.3)
Average precipitation days (≥ 1 mm) 17 18 17 15 9 8 2 2 8 11 17 19

Monthly sunshine hours in Scappoose, Oregon, United States §

The sunniest months in Scappoose are June, July and August, when the sun shines an average of 10 hours 54 minutes a day. Least sunny months in Scappoose: January, February and December receive an average of 3 hours 28 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Scappoose, 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 86 121 192 222 279 309 365 329 265 206 127 108
Mean daily daylight hours 9h 7m 10h 23m 11h 57m 13h 34m 14h 57m 15h 38m 15h 15m 14h 1m 12h 28m 10h 51m 9h 27m 8h 43m

Solar UV radiation in Scappoose, Oregon, United States §

Scappoose experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure. January, February 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 Scappoose UV Index data.

Average daily maximum UV levels by month for Scappoose, 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 3 5 7 9 10 10 8 7 5 3 2

Detailed Monthly Weather Insights for Scappoose, Oregon, United States

Discover in-depth weather details for every month in Scappoose. 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 Scappoose'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.