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Monthly climate in Hayden, Idaho, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Hayden features a warm-summer Mediterranean climate (Csb).Temperatures typically range between -2 °C (29 °F) and 22 °C (72 °F) through the year, but rarely can drop to -23 °C (-9 °F) or can rise to as high as 42 °C (109 °F).The average annual precipitation amounts to about 837 mm (33.0 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually.Hayden enjoys an average of 2862 hours of sunshine throughout the year, and daylight varies from 8 hours 28 minutes to 15 hours 54 minutes per day.

Monthly average temperatures in Hayden, Idaho, United States §

The warmest months in Hayden are June, July and August, with daily mean temperatures ranging from 17 to 22 °C (63 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 0 °C (29 - 32 °F) throughout the day. On average each year, Hayden experiences 63 days above 25 °C (77.0 °F) and 112 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hayden, 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)		 15°C
(59°F)		 19°C
(67°F)		 28°C
(82°F)		 31°C
(88°F)		 42°C
(109°F)		 42°C
(107°F)		 40°C
(105°F)		 34°C
(94°F)		 27°C
(81°F)		 15°C
(59°F)		 16°C
(60°F)
Mean maximum 7°C
(44°F)		 10°C
(51°F)		 14°C
(58°F)		 21°C
(70°F)		 28°C
(82°F)		 31°C
(87°F)		 37°C
(99°F)		 38°C
(101°F)		 32°C
(90°F)		 21°C
(70°F)		 13°C
(56°F)		 9°C
(49°F)
Average high 1°C
(35°F)		 2°C
(36°F)		 8°C
(46°F)		 12°C
(54°F)		 19°C
(66°F)		 23°C
(74°F)		 29°C
(85°F)		 29°C
(84°F)		 22°C
(72°F)		 13°C
(56°F)		 6°C
(43°F)		 2°C
(36°F)
Daily mean -1°C
(30°F)		 -2°C
(29°F)		 3°C
(38°F)		 7°C
(45°F)		 13°C
(56°F)		 17°C
(63°F)		 22°C
(72°F)		 22°C
(71°F)		 16°C
(61°F)		 8°C
(47°F)		 3°C
(38°F)		 -0°C
(32°F)
Average low -4°C
(25°F)		 -6°C
(22°F)		 -1°C
(30°F)		 2°C
(36°F)		 7°C
(45°F)		 11°C
(52°F)		 14°C
(57°F)		 14°C
(58°F)		 10°C
(50°F)		 3°C
(38°F)		 0°C
(33°F)		 -2°C
(28°F)
Mean minimum -12°C
(10°F)		 -17°C
(2°F)		 -9°C
(16°F)		 -3°C
(26°F)		 1°C
(34°F)		 6°C
(43°F)		 9°C
(49°F)		 9°C
(48°F)		 4°C
(39°F)		 -4°C
(26°F)		 -6°C
(21°F)		 -10°C
(14°F)
Minimum -20°C
(-4°F)		 -23°C
(-9°F)		 -17°C
(2°F)		 -5°C
(24°F)		 -1°C
(31°F)		 5°C
(41°F)		 8°C
(46°F)		 8°C
(47°F)		 1°C
(34°F)		 -9°C
(16°F)		 -9°C
(16°F)		 -15°C
(4°F)

Compare climate in Hayden with other places

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

Monthly average precipitation in Hayden, Idaho, United States §

Hayden usually has the most precipitation in February, November and December, with an average of 16 rainy days and 109 mm (4.3 inches) of precipitation per month.The driest months in Hayden are June, July and August. On average, 18 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hayden, 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) 100 (4.0) 103 (4.1) 82 (3.2) 80 (3.2) 63 (2.5) 34 (1.3) 6 (0.3) 14 (0.6) 44 (1.7) 85 (3.3) 115 (4.5) 110 (4.3)
Average precipitation days (≥ 1 mm) 14 16 15 13 10 7 1 3 5 11 16 16

Monthly sunshine hours in Hayden, Idaho, United States §

The sunniest months in Hayden are June, July and August, when the sun shines an average of 12 hours 6 minutes a day.Least sunny months in Hayden: January, February and December receive an average of 3 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hayden, 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 87 131 210 258 326 349 411 352 281 224 132 96
Mean daily daylight hours 8h 54m 10h 15m 11h 57m 13h 40m 15h 9m 15h 54m 15h 29m 14h 9m 12h 29m 10h 46m 9h 15m 8h 28m

Solar UV radiation in Hayden, Idaho, United States §

Hayden 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 Hayden UV Index data.

Average daily maximum UV levels by month for Hayden, 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 6 8 9 10 9 7 5 3 2