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Monthly climate in Plummer, Idaho, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Plummer features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 0 °C (32 °F) and 23 °C (73 °F) through the year, but rarely can drop to -20 °C (-3 °F) or can rise to as high as 43 °C (109 °F). The average annual precipitation amounts to about 721 mm (28.4 inches) and receives 118 rainy days on the 1 mm (0.04 inches) threshold annually. Plummer enjoys an average of 3015 hours of sunshine throughout the year, and daylight varies from 8 hours 31 minutes to 15 hours 51 minutes per day.

Monthly average temperatures in Plummer, Idaho, United States §

The warmest months in Plummer are June, July and August, with daily mean temperatures ranging from 18 to 23 °C (64 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 0 °C (32 - 33 °F) throughout the day. On average each year, Plummer experiences 65 days above 25 °C (77.0 °F) and 89 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Plummer, Idaho, 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 11°C
(53°F)		 15°C
(60°F)		 19°C
(67°F)		 28°C
(83°F)		 31°C
(88°F)		 43°C
(109°F)		 40°C
(104°F)		 39°C
(103°F)		 35°C
(95°F)		 27°C
(82°F)		 16°C
(62°F)		 17°C
(62°F)
Mean maximum 8°C
(47°F)		 11°C
(52°F)		 16°C
(61°F)		 22°C
(72°F)		 28°C
(82°F)		 31°C
(88°F)		 36°C
(98°F)		 37°C
(100°F)		 32°C
(90°F)		 22°C
(72°F)		 15°C
(58°F)		 11°C
(52°F)
Average high 3°C
(37°F)		 3°C
(38°F)		 9°C
(48°F)		 13°C
(56°F)		 19°C
(66°F)		 23°C
(74°F)		 29°C
(85°F)		 29°C
(84°F)		 23°C
(73°F)		 14°C
(57°F)		 7°C
(45°F)		 3°C
(37°F)
Daily mean 0°C
(33°F)		 -0°C
(32°F)		 4°C
(40°F)		 8°C
(47°F)		 13°C
(56°F)		 18°C
(64°F)		 23°C
(73°F)		 22°C
(72°F)		 16°C
(62°F)		 9°C
(48°F)		 4°C
(39°F)		 0°C
(33°F)
Average low -2°C
(28°F)		 -4°C
(25°F)		 0°C
(32°F)		 3°C
(38°F)		 8°C
(47°F)		 12°C
(53°F)		 15°C
(59°F)		 15°C
(59°F)		 11°C
(51°F)		 4°C
(40°F)		 1°C
(34°F)		 -2°C
(29°F)
Mean minimum -11°C
(12°F)		 -15°C
(6°F)		 -8°C
(19°F)		 -3°C
(27°F)		 2°C
(36°F)		 6°C
(44°F)		 10°C
(50°F)		 9°C
(49°F)		 4°C
(40°F)		 -4°C
(24°F)		 -6°C
(22°F)		 -10°C
(14°F)
Minimum -19°C
(-2°F)		 -20°C
(-3°F)		 -15°C
(6°F)		 -6°C
(22°F)		 -0°C
(32°F)		 5°C
(42°F)		 9°C
(48°F)		 7°C
(45°F)		 1°C
(35°F)		 -11°C
(12°F)		 -8°C
(17°F)		 -16°C
(4°F)

Compare climate in Plummer with other places

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

Monthly average precipitation in Plummer, Idaho, United States §

Plummer usually has the most precipitation in February, November and December, with an average of 16 rainy days and 96 mm (3.8 inches) of precipitation per month. The driest months in Plummer are June, July and August. On average, 15 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Plummer, Idaho, 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) 82 (3.2) 96 (3.8) 72 (2.8) 67 (2.7) 62 (2.4) 30 (1.2) 5 (0.2) 11 (0.4) 33 (1.3) 71 (2.8) 100 (3.9) 92 (3.6)
Average precipitation days (≥ 1 mm) 14 17 13 12 8 5 0 3 5 10 15 16

Monthly sunshine hours in Plummer, Idaho, United States §

The sunniest months in Plummer are June, July and August, when the sun shines an average of 12 hours 16 minutes a day. Least sunny months in Plummer: January, February and December receive an average of 3 hours 57 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Plummer, Idaho, 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 100 144 225 277 339 360 412 356 288 235 160 115
Mean daily daylight hours 8h 57m 10h 17m 11h 57m 13h 39m 15h 7m 15h 51m 15h 27m 14h 8m 12h 29m 10h 47m 9h 17m 8h 31m

Solar UV radiation in Plummer, Idaho, United States §

Plummer experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 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 Plummer UV Index data.

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

Detailed Monthly Weather Insights for Plummer, Idaho, United States

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