nomadseason

Monthly climate in Idaho City, Idaho, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Idaho City features a humid continental climate (Dsb). Temperatures typically range between -4 °C (25 °F) and 21 °C (70 °F) through the year, but rarely can drop to -24 °C (-11 °F) or can rise to as high as 37 °C (98 °F). The average annual precipitation amounts to about 778 mm (30.6 inches) and receives 113 rainy days on the 1 mm (0.04 inches) threshold annually. Idaho City enjoys an average of 3300 hours of sunshine throughout the year, and daylight varies from 8 hours 57 minutes to 15 hours 23 minutes per day.

Monthly average temperatures in Idaho City, Idaho, United States §

The warmest months in Idaho City are June, July and August, with daily mean temperatures ranging from 15 to 21 °C (60 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to -3 °C (25 - 26 °F) throughout the day. On average each year, Idaho City experiences 57 days above 25 °C (77.0 °F) and 168 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Idaho City, 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 9°C
(48°F)		 10°C
(50°F)		 18°C
(64°F)		 23°C
(73°F)		 29°C
(84°F)		 35°C
(95°F)		 35°C
(95°F)		 37°C
(98°F)		 33°C
(92°F)		 24°C
(76°F)		 18°C
(65°F)		 11°C
(52°F)
Mean maximum 5°C
(42°F)		 8°C
(47°F)		 15°C
(59°F)		 19°C
(67°F)		 25°C
(78°F)		 27°C
(81°F)		 34°C
(93°F)		 34°C
(94°F)		 32°C
(89°F)		 21°C
(70°F)		 14°C
(57°F)		 7°C
(45°F)
Average high -0°C
(32°F)		 1°C
(34°F)		 7°C
(45°F)		 10°C
(51°F)		 16°C
(61°F)		 22°C
(72°F)		 29°C
(84°F)		 28°C
(82°F)		 22°C
(72°F)		 13°C
(55°F)		 6°C
(43°F)		 0°C
(33°F)
Daily mean -4°C
(25°F)		 -3°C
(26°F)		 1°C
(35°F)		 4°C
(40°F)		 9°C
(49°F)		 15°C
(60°F)		 21°C
(70°F)		 20°C
(68°F)		 14°C
(58°F)		 6°C
(43°F)		 1°C
(33°F)		 -4°C
(25°F)
Average low -8°C
(18°F)		 -8°C
(19°F)		 -4°C
(26°F)		 -1°C
(30°F)		 2°C
(36°F)		 7°C
(46°F)		 11°C
(53°F)		 11°C
(52°F)		 6°C
(44°F)		 0°C
(33°F)		 -4°C
(24°F)		 -9°C
(17°F)
Mean minimum -18°C
(-1°F)		 -18°C
(1°F)		 -12°C
(11°F)		 -8°C
(18°F)		 -6°C
(22°F)		 1°C
(34°F)		 6°C
(43°F)		 5°C
(42°F)		 -1°C
(31°F)		 -7°C
(19°F)		 -13°C
(10°F)		 -19°C
(-1°F)
Minimum -22°C
(-8°F)		 -21°C
(-5°F)		 -15°C
(5°F)		 -11°C
(13°F)		 -11°C
(13°F)		 -1°C
(31°F)		 4°C
(39°F)		 2°C
(37°F)		 -2°C
(28°F)		 -14°C
(7°F)		 -17°C
(2°F)		 -24°C
(-11°F)

Compare climate in Idaho City with other places

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

Monthly average precipitation in Idaho City, Idaho, United States §

Idaho City usually has the most precipitation in January, February and March, with an average of 14 rainy days and 105 mm (4.1 inches) of precipitation per month. The driest months in Idaho City are July, August and September. On average, 19 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Idaho City, 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) 98 (3.9) 126 (5.0) 90 (3.6) 79 (3.1) 68 (2.7) 47 (1.8) 5 (0.2) 20 (0.8) 31 (1.2) 51 (2.0) 77 (3.0) 85 (3.4)
Average precipitation days (≥ 1 mm) 12 17 13 12 13 6 1 2 4 8 12 13

Monthly sunshine hours in Idaho City, Idaho, United States §

The sunniest months in Idaho City are June, July and August, when the sun shines an average of 12 hours 26 minutes a day. Least sunny months in Idaho City: January, February and December receive an average of 5 hours 14 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Idaho City, 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 133 175 264 296 347 376 403 364 308 259 202 167
Mean daily daylight hours 9h 19m 10h 29m 11h 58m 13h 28m 14h 45m 15h 23m 15h 2m 13h 53m 12h 26m 10h 56m 9h 37m 8h 57m

Solar UV radiation in Idaho City, Idaho, United States §

Idaho City experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme 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 4. For more detailed information, check out our hourly Idaho City UV Index data.

Average daily maximum UV levels by month for Idaho City, 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) 3 5 7 8 11 11 11 10 9 6 4 2

Detailed Monthly Weather Insights for Idaho City, Idaho, United States

Discover in-depth weather details for every month in Idaho City. 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 Idaho City'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.