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Monthly climate in Preston, Idaho, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Preston features a humid continental climate (Dfb). Temperatures typically range between -5 °C (24 °F) and 24 °C (75 °F) through the year, but rarely can drop to -24 °C (-11 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 482 mm (19.0 inches) and receives 87 rainy days on the 1 mm (0.04 inches) threshold annually. Preston enjoys an average of 3249 hours of sunshine throughout the year, and daylight varies from 9 hours 8 minutes to 15 hours 11 minutes per day.

Monthly average temperatures in Preston, Idaho, United States §

The warmest months in Preston are June, July and August, with daily mean temperatures ranging from 19 to 24 °C (66 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -3 °C (24 - 27 °F) throughout the day. On average each year, Preston experiences 79 days above 25 °C (77.0 °F) and 144 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Preston, 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 8°C
(47°F)		 11°C
(53°F)		 22°C
(72°F)		 24°C
(75°F)		 30°C
(87°F)		 35°C
(96°F)		 35°C
(96°F)		 36°C
(98°F)		 34°C
(93°F)		 26°C
(79°F)		 21°C
(71°F)		 11°C
(52°F)
Mean maximum 6°C
(43°F)		 9°C
(48°F)		 17°C
(62°F)		 22°C
(72°F)		 27°C
(80°F)		 29°C
(85°F)		 34°C
(94°F)		 35°C
(95°F)		 32°C
(91°F)		 23°C
(73°F)		 16°C
(61°F)		 7°C
(45°F)
Average high -1°C
(31°F)		 2°C
(35°F)		 8°C
(46°F)		 13°C
(56°F)		 18°C
(65°F)		 26°C
(78°F)		 31°C
(88°F)		 30°C
(86°F)		 24°C
(76°F)		 14°C
(58°F)		 8°C
(46°F)		 0°C
(33°F)
Daily mean -5°C
(24°F)		 -3°C
(27°F)		 2°C
(36°F)		 7°C
(45°F)		 12°C
(54°F)		 19°C
(66°F)		 24°C
(75°F)		 22°C
(72°F)		 17°C
(62°F)		 8°C
(46°F)		 2°C
(36°F)		 -4°C
(25°F)
Average low -9°C
(16°F)		 -7°C
(20°F)		 -3°C
(27°F)		 1°C
(34°F)		 5°C
(41°F)		 10°C
(51°F)		 15°C
(59°F)		 13°C
(56°F)		 8°C
(47°F)		 1°C
(35°F)		 -3°C
(26°F)		 -9°C
(16°F)
Mean minimum -20°C
(-4°F)		 -18°C
(-1°F)		 -12°C
(10°F)		 -7°C
(20°F)		 -3°C
(28°F)		 3°C
(38°F)		 9°C
(48°F)		 8°C
(47°F)		 1°C
(34°F)		 -8°C
(17°F)		 -13°C
(9°F)		 -18°C
(0°F)
Minimum -24°C
(-11°F)		 -22°C
(-7°F)		 -17°C
(1°F)		 -8°C
(18°F)		 -4°C
(25°F)		 0°C
(33°F)		 7°C
(45°F)		 5°C
(41°F)		 0°C
(33°F)		 -16°C
(4°F)		 -18°C
(1°F)		 -19°C
(-2°F)

Compare climate in Preston with other places

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

Monthly average precipitation in Preston, Idaho, United States §

Preston usually has the most precipitation in January, February and April, with an average of 10 rainy days and 62 mm (2.4 inches) of precipitation per month. The driest months in Preston are June, July and August. On average, 14 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Preston, 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) 57 (2.2) 67 (2.7) 50 (2.0) 62 (2.4) 47 (1.9) 19 (0.8) 10 (0.4) 14 (0.6) 30 (1.2) 37 (1.5) 42 (1.7) 46 (1.8)
Average precipitation days (≥ 1 mm) 9 12 10 11 9 4 2 2 4 6 8 10

Monthly sunshine hours in Preston, Idaho, United States §

The sunniest months in Preston are June, July and August, when the sun shines an average of 12 hours 19 minutes a day. Least sunny months in Preston: January, February and December receive an average of 5 hours 18 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Preston, 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 128 185 257 278 337 382 393 358 306 256 196 168
Mean daily daylight hours 9h 29m 10h 35m 11h 58m 13h 23m 14h 35m 15h 11m 14h 51m 13h 47m 12h 25m 11h 0m 9h 46m 9h 8m

Solar UV radiation in Preston, Idaho, United States §

Preston experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure. January, November and December are in the 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 Preston UV Index data.

Average daily maximum UV levels by month for Preston, 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 9 10 11 11 10 9 6 4 3

Detailed Monthly Weather Insights for Preston, Idaho, United States

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