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Monthly climate in Sweet Home, Oregon, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Sweet Home features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 4 °C (40 °F) and 21 °C (69 °F) through the year, but rarely can drop to -15 °C (5 °F) or can rise to as high as 44 °C (112 °F). The average annual precipitation amounts to about 1651 mm (65.0 inches) and receives 148 rainy days on the 1 mm (0.04 inches) threshold annually. Sweet Home enjoys an average of 2794 hours of sunshine throughout the year, and daylight varies from 8 hours 51 minutes to 15 hours 29 minutes per day.

Monthly average temperatures in Sweet Home, Oregon, United States §

The warmest months in Sweet Home are July, August and September, with daily mean temperatures ranging from 17 to 21 °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 5 °C (40 - 40 °F) throughout the day. On average each year, Sweet Home experiences 62 days above 25 °C (77.0 °F) and 48 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sweet Home, 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 16°C
(61°F)		 18°C
(64°F)		 22°C
(71°F)		 27°C
(80°F)		 29°C
(85°F)		 44°C
(112°F)		 37°C
(98°F)		 40°C
(105°F)		 35°C
(95°F)		 27°C
(80°F)		 20°C
(68°F)		 18°C
(65°F)
Mean maximum 14°C
(57°F)		 14°C
(58°F)		 19°C
(66°F)		 24°C
(75°F)		 27°C
(81°F)		 33°C
(91°F)		 35°C
(95°F)		 37°C
(100°F)		 32°C
(91°F)		 23°C
(74°F)		 18°C
(64°F)		 14°C
(57°F)
Average high 8°C
(47°F)		 8°C
(47°F)		 11°C
(53°F)		 15°C
(59°F)		 19°C
(66°F)		 23°C
(73°F)		 28°C
(82°F)		 28°C
(83°F)		 24°C
(75°F)		 16°C
(62°F)		 11°C
(53°F)		 8°C
(46°F)
Daily mean 5°C
(40°F)		 4°C
(40°F)		 6°C
(44°F)		 9°C
(49°F)		 13°C
(55°F)		 17°C
(62°F)		 20°C
(69°F)		 21°C
(69°F)		 17°C
(62°F)		 11°C
(52°F)		 7°C
(45°F)		 4°C
(40°F)
Average low 2°C
(35°F)		 1°C
(33°F)		 2°C
(36°F)		 4°C
(40°F)		 7°C
(46°F)		 10°C
(51°F)		 13°C
(55°F)		 13°C
(56°F)		 11°C
(51°F)		 6°C
(43°F)		 3°C
(38°F)		 1°C
(35°F)
Mean minimum -6°C
(22°F)		 -6°C
(21°F)		 -3°C
(26°F)		 -1°C
(30°F)		 2°C
(36°F)		 5°C
(42°F)		 9°C
(48°F)		 8°C
(46°F)		 5°C
(41°F)		 -1°C
(31°F)		 -3°C
(27°F)		 -5°C
(24°F)
Minimum -15°C
(5°F)		 -14°C
(7°F)		 -7°C
(19°F)		 -2°C
(28°F)		 1°C
(35°F)		 4°C
(40°F)		 6°C
(44°F)		 7°C
(45°F)		 4°C
(39°F)		 -3°C
(26°F)		 -5°C
(23°F)		 -7°C
(20°F)

Compare climate in Sweet Home with other places

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

Monthly average precipitation in Sweet Home, Oregon, United States §

Sweet Home usually has the most precipitation in January, February and December, with an average of 18 rainy days and 231 mm (9.1 inches) of precipitation per month. The driest months in Sweet Home are June, July and August. On average, 26 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sweet Home, 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) 202 (8.0) 245 (9.7) 175 (6.9) 172 (6.8) 83 (3.3) 65 (2.6) 4 (0.2) 9 (0.4) 101 (4.0) 152 (6.0) 195 (7.7) 247 (9.7)
Average precipitation days (≥ 1 mm) 16 20 18 15 11 9 1 2 7 12 17 20

Monthly sunshine hours in Sweet Home, Oregon, United States §

The sunniest months in Sweet Home are June, July and August, when the sun shines an average of 11 hours 48 minutes a day. Least sunny months in Sweet Home: January, February and December receive an average of 3 hours 42 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sweet Home, 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 98 119 197 234 297 331 395 359 275 221 143 118
Mean daily daylight hours 9h 15m 10h 27m 11h 57m 13h 30m 14h 49m 15h 29m 15h 7m 13h 56m 12h 27m 10h 54m 9h 33m 8h 51m

Solar UV radiation in Sweet Home, Oregon, United States §

Sweet Home 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 Sweet Home UV Index data.

Average daily maximum UV levels by month for Sweet Home, 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 Sweet Home, Oregon, United States

Discover in-depth weather details for every month in Sweet Home. 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 Sweet Home'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.