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Monthly climate in Bonners Ferry, Idaho, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Bonners Ferry features a humid continental climate (Dfb). Temperatures typically range between -6 °C (22 °F) and 21 °C (69 °F) through the year, but rarely can drop to -29 °C (-20 °F) or can rise to as high as 40 °C (105 °F). The average annual precipitation amounts to about 995 mm (39.2 inches) and receives 146 rainy days on the 1 mm (0.04 inches) threshold annually. Bonners Ferry enjoys an average of 2742 hours of sunshine throughout the year, and daylight varies from 8 hours 19 minutes to 16 hours 4 minutes per day.

Monthly average temperatures in Bonners Ferry, Idaho, United States §

The warmest months in Bonners Ferry are June, July and August, with daily mean temperatures ranging from 16 to 21 °C (61 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -3 °C (22 - 27 °F) throughout the day. On average each year, Bonners Ferry experiences 49 days above 25 °C (77.0 °F) and 147 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bonners Ferry, 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 6°C
(43°F)		 8°C
(47°F)		 15°C
(60°F)		 25°C
(78°F)		 29°C
(85°F)		 40°C
(105°F)		 40°C
(104°F)		 39°C
(103°F)		 31°C
(89°F)		 23°C
(74°F)		 12°C
(54°F)		 11°C
(53°F)
Mean maximum 4°C
(40°F)		 7°C
(44°F)		 12°C
(54°F)		 19°C
(66°F)		 25°C
(78°F)		 28°C
(83°F)		 35°C
(95°F)		 36°C
(97°F)		 29°C
(85°F)		 18°C
(65°F)		 10°C
(50°F)		 7°C
(44°F)
Average high -1°C
(30°F)		 -2°C
(29°F)		 5°C
(41°F)		 10°C
(50°F)		 17°C
(63°F)		 21°C
(70°F)		 27°C
(81°F)		 27°C
(81°F)		 19°C
(67°F)		 10°C
(51°F)		 4°C
(39°F)		 -0°C
(32°F)
Daily mean -4°C
(25°F)		 -6°C
(22°F)		 0°C
(33°F)		 5°C
(41°F)		 11°C
(53°F)		 16°C
(61°F)		 21°C
(69°F)		 20°C
(68°F)		 14°C
(57°F)		 6°C
(42°F)		 1°C
(34°F)		 -3°C
(27°F)
Average low -7°C
(19°F)		 -10°C
(14°F)		 -4°C
(26°F)		 -0°C
(32°F)		 6°C
(42°F)		 9°C
(49°F)		 13°C
(55°F)		 13°C
(55°F)		 8°C
(47°F)		 1°C
(34°F)		 -2°C
(28°F)		 -6°C
(22°F)
Mean minimum -20°C
(-4°F)		 -23°C
(-10°F)		 -14°C
(7°F)		 -7°C
(20°F)		 -1°C
(30°F)		 3°C
(38°F)		 7°C
(46°F)		 7°C
(45°F)		 0°C
(32°F)		 -7°C
(19°F)		 -10°C
(15°F)		 -16°C
(3°F)
Minimum -25°C
(-13°F)		 -29°C
(-20°F)		 -24°C
(-11°F)		 -11°C
(13°F)		 -4°C
(24°F)		 1°C
(34°F)		 5°C
(42°F)		 5°C
(42°F)		 -3°C
(27°F)		 -13°C
(9°F)		 -15°C
(5°F)		 -27°C
(-17°F)

Compare climate in Bonners Ferry with other places

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

Monthly average precipitation in Bonners Ferry, Idaho, United States §

Bonners Ferry usually has the most precipitation in January, November and December, with an average of 17 rainy days and 125 mm (4.9 inches) of precipitation per month. The driest months in Bonners Ferry are July, August and September. On average, 34 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bonners Ferry, 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) 110 (4.3) 109 (4.3) 94 (3.7) 93 (3.7) 66 (2.6) 53 (2.1) 19 (0.8) 31 (1.2) 53 (2.1) 101 (4.0) 127 (5.0) 139 (5.5)
Average precipitation days (≥ 1 mm) 15 16 15 15 11 11 3 4 8 12 18 18

Monthly sunshine hours in Bonners Ferry, Idaho, United States §

The sunniest months in Bonners Ferry are June, July and August, when the sun shines an average of 12 hours 2 minutes a day. Least sunny months in Bonners Ferry: January, November and December receive an average of 2 hours 50 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bonners Ferry, 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 75 133 197 246 322 347 408 351 267 204 99 87
Mean daily daylight hours 8h 47m 10h 11m 11h 56m 13h 44m 15h 17m 16h 4m 15h 38m 14h 14m 12h 30m 10h 43m 9h 8m 8h 19m

Solar UV radiation in Bonners Ferry, Idaho, United States §

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

Average daily maximum UV levels by month for Bonners Ferry, 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 3 5 7 9 9 9 9 7 4 3 2

Detailed Monthly Weather Insights for Bonners Ferry, Idaho, United States

Discover in-depth weather details for every month in Bonners Ferry. 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 Bonners Ferry'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.