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Monthly climate in Weiser, Idaho, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Weiser features a hot-summer Mediterranean climate (Csa). Temperatures typically range between -1 °C (30 °F) and 28 °C (82 °F) through the year, but rarely can drop to -28 °C (-18 °F) or can rise to as high as 42 °C (107 °F). The average annual precipitation amounts to about 310 mm (12.2 inches) and receives 65 rainy days on the 1 mm (0.04 inches) threshold annually. Weiser enjoys an average of 3207 hours of sunshine throughout the year, and daylight varies from 8 hours 54 minutes to 15 hours 26 minutes per day.

Monthly average temperatures in Weiser, Idaho, United States §

The warmest months in Weiser are June, July and August, with daily mean temperatures ranging from 21 to 28 °C (71 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 1 °C (30 - 33 °F) throughout the day. On average each year, Weiser experiences 96 days above 25 °C (77.0 °F) and 92 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Weiser, 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
(52°F)		 16°C
(61°F)		 24°C
(76°F)		 31°C
(88°F)		 36°C
(97°F)		 41°C
(106°F)		 41°C
(106°F)		 42°C
(107°F)		 39°C
(103°F)		 30°C
(86°F)		 22°C
(72°F)		 12°C
(54°F)
Mean maximum 9°C
(48°F)		 12°C
(55°F)		 20°C
(69°F)		 27°C
(81°F)		 32°C
(90°F)		 33°C
(92°F)		 40°C
(104°F)		 40°C
(104°F)		 36°C
(98°F)		 25°C
(77°F)		 18°C
(64°F)		 11°C
(51°F)
Average high 3°C
(37°F)		 5°C
(42°F)		 12°C
(55°F)		 17°C
(63°F)		 22°C
(72°F)		 28°C
(83°F)		 35°C
(95°F)		 34°C
(93°F)		 27°C
(81°F)		 17°C
(63°F)		 9°C
(49°F)		 3°C
(38°F)
Daily mean -1°C
(30°F)		 1°C
(33°F)		 7°C
(44°F)		 11°C
(52°F)		 16°C
(61°F)		 21°C
(71°F)		 28°C
(82°F)		 26°C
(80°F)		 20°C
(68°F)		 11°C
(52°F)		 5°C
(41°F)		 0°C
(33°F)
Average low -4°C
(25°F)		 -3°C
(26°F)		 2°C
(35°F)		 5°C
(41°F)		 9°C
(49°F)		 14°C
(57°F)		 19°C
(66°F)		 18°C
(65°F)		 12°C
(55°F)		 5°C
(42°F)		 1°C
(33°F)		 -3°C
(27°F)
Mean minimum -14°C
(7°F)		 -11°C
(13°F)		 -6°C
(22°F)		 -1°C
(30°F)		 3°C
(37°F)		 7°C
(46°F)		 13°C
(56°F)		 12°C
(53°F)		 5°C
(42°F)		 -3°C
(27°F)		 -6°C
(22°F)		 -10°C
(14°F)
Minimum -28°C
(-18°F)		 -14°C
(7°F)		 -12°C
(11°F)		 -3°C
(27°F)		 1°C
(34°F)		 6°C
(44°F)		 9°C
(49°F)		 9°C
(48°F)		 4°C
(40°F)		 -10°C
(14°F)		 -7°C
(19°F)		 -13°C
(9°F)

Compare climate in Weiser with other places

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

Monthly average precipitation in Weiser, Idaho, United States §

Weiser usually has the most precipitation in January, February and December, with an average of 10 rainy days and 45 mm (1.8 inches) of precipitation per month. The driest months in Weiser are July, August and September. On average, 6 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Weiser, 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) 44 (1.7) 55 (2.1) 34 (1.3) 25 (1.0) 30 (1.2) 19 (0.8) 1 (0.0) 6 (0.2) 11 (0.4) 21 (0.8) 29 (1.1) 35 (1.4)
Average precipitation days (≥ 1 mm) 10 10 8 7 5 3 0 1 2 3 6 10

Monthly sunshine hours in Weiser, Idaho, United States §

The sunniest months in Weiser are June, July and August, when the sun shines an average of 12 hours 19 minutes a day. Least sunny months in Weiser: January, February and December receive an average of 4 hours 50 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Weiser, 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 122 165 251 292 343 372 404 357 306 248 191 151
Mean daily daylight hours 9h 17m 10h 28m 11h 57m 13h 29m 14h 47m 15h 26m 15h 5m 13h 55m 12h 26m 10h 55m 9h 35m 8h 54m

Solar UV radiation in Weiser, Idaho, United States §

Weiser 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 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 Weiser UV Index data.

Average daily maximum UV levels by month for Weiser, 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 6 8 9 11 10 10 8 5 4 2

Detailed Monthly Weather Insights for Weiser, Idaho, United States

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