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Monthly climate in Rexburg, Idaho, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Rexburg features a humid continental climate (Dfb). Temperatures typically range between -6 °C (22 °F) and 22 °C (72 °F) through the year, but rarely can drop to -25 °C (-14 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 495 mm (19.5 inches) and receives 102 rainy days on the 1 mm (0.04 inches) threshold annually. Rexburg enjoys an average of 3179 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 Rexburg, Idaho, United States §

The warmest months in Rexburg 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 -6 to -3 °C (22 - 26 °F) throughout the day. On average each year, Rexburg experiences 71 days above 25 °C (77.0 °F) and 146 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rexburg, 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
(46°F)		 11°C
(52°F)		 20°C
(68°F)		 24°C
(75°F)		 29°C
(84°F)		 34°C
(93°F)		 34°C
(94°F)		 35°C
(96°F)		 34°C
(94°F)		 26°C
(79°F)		 21°C
(70°F)		 11°C
(52°F)
Mean maximum 5°C
(42°F)		 7°C
(46°F)		 16°C
(61°F)		 21°C
(70°F)		 26°C
(80°F)		 28°C
(83°F)		 34°C
(93°F)		 34°C
(93°F)		 32°C
(90°F)		 22°C
(73°F)		 15°C
(60°F)		 7°C
(45°F)
Average high -1°C
(30°F)		 0°C
(33°F)		 7°C
(45°F)		 12°C
(54°F)		 18°C
(64°F)		 24°C
(76°F)		 30°C
(86°F)		 29°C
(84°F)		 23°C
(74°F)		 13°C
(55°F)		 6°C
(44°F)		 -0°C
(32°F)
Daily mean -6°C
(22°F)		 -3°C
(26°F)		 2°C
(35°F)		 6°C
(43°F)		 11°C
(53°F)		 17°C
(63°F)		 22°C
(72°F)		 21°C
(70°F)		 16°C
(60°F)		 7°C
(44°F)		 1°C
(35°F)		 -5°C
(24°F)
Average low -9°C
(15°F)		 -7°C
(19°F)		 -3°C
(27°F)		 1°C
(33°F)		 5°C
(41°F)		 10°C
(50°F)		 14°C
(57°F)		 12°C
(55°F)		 8°C
(47°F)		 1°C
(34°F)		 -3°C
(27°F)		 -9°C
(15°F)
Mean minimum -21°C
(-6°F)		 -17°C
(2°F)		 -14°C
(8°F)		 -7°C
(20°F)		 -3°C
(28°F)		 3°C
(37°F)		 7°C
(45°F)		 6°C
(44°F)		 0°C
(33°F)		 -8°C
(17°F)		 -12°C
(11°F)		 -19°C
(-2°F)
Minimum -25°C
(-14°F)		 -21°C
(-6°F)		 -25°C
(-12°F)		 -10°C
(15°F)		 -5°C
(23°F)		 0°C
(32°F)		 3°C
(38°F)		 2°C
(36°F)		 -1°C
(30°F)		 -17°C
(2°F)		 -19°C
(-1°F)		 -23°C
(-9°F)

Compare climate in Rexburg with other places

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

Monthly average precipitation in Rexburg, Idaho, United States §

Rexburg usually has the most precipitation in February, April and May, with an average of 12 rainy days and 59 mm (2.3 inches) of precipitation per month. The driest months in Rexburg are July, August and September. On average, 19 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rexburg, 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) 46 (1.8) 52 (2.1) 46 (1.8) 60 (2.4) 65 (2.6) 36 (1.4) 8 (0.3) 19 (0.7) 30 (1.2) 44 (1.7) 41 (1.6) 49 (1.9)
Average precipitation days (≥ 1 mm) 11 13 10 14 11 6 2 3 4 8 9 11

Monthly sunshine hours in Rexburg, Idaho, United States §

The sunniest months in Rexburg are June, July and August, when the sun shines an average of 12 hours 16 minutes a day. Least sunny months in Rexburg: January, February and December receive an average of 4 hours 43 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rexburg, 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 119 158 255 276 338 371 398 359 302 257 190 151
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 Rexburg, Idaho, United States §

Rexburg 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 Rexburg UV Index data.

Average daily maximum UV levels by month for Rexburg, 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 8 9 10 11 11 10 9 6 4 3

Detailed Monthly Weather Insights for Rexburg, Idaho, United States

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