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Monthly climate in Poplar, Montana, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Poplar features a cold semi-arid climate (BSk).Temperatures typically range between -10 °C (13 °F) and 23 °C (74 °F) through the year, but rarely can drop to -40 °C (-40 °F) or can rise to as high as 41 °C (105 °F).The average annual precipitation amounts to about 370 mm (14.6 inches) and receives 62 rainy days on the 1 mm (0.04 inches) threshold annually.Poplar enjoys an average of 3153 hours of sunshine throughout the year, and daylight varies from 8 hours 24 minutes to 15 hours 58 minutes per day.

Monthly average temperatures in Poplar, Montana, United States §

The warmest months in Poplar are June, July and August, with daily mean temperatures ranging from 20 to 23 °C (67 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -10 to -6 °C (13 - 22 °F) throughout the day. On average each year, Poplar experiences 72 days above 25 °C (77.0 °F) and 157 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Poplar, Montana, 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)		 15°C
(59°F)		 22°C
(72°F)		 26°C
(80°F)		 34°C
(94°F)		 36°C
(98°F)		 39°C
(102°F)		 41°C
(105°F)		 36°C
(97°F)		 31°C
(89°F)		 23°C
(73°F)		 19°C
(66°F)
Mean maximum 8°C
(46°F)		 10°C
(50°F)		 17°C
(64°F)		 24°C
(75°F)		 30°C
(87°F)		 32°C
(89°F)		 36°C
(97°F)		 37°C
(99°F)		 34°C
(93°F)		 26°C
(79°F)		 17°C
(62°F)		 11°C
(53°F)
Average high -4°C
(26°F)		 -5°C
(23°F)		 5°C
(41°F)		 11°C
(52°F)		 19°C
(67°F)		 26°C
(79°F)		 30°C
(86°F)		 29°C
(84°F)		 22°C
(72°F)		 12°C
(54°F)		 4°C
(40°F)		 -1°C
(31°F)
Daily mean -8°C
(18°F)		 -10°C
(13°F)		 -1°C
(31°F)		 5°C
(41°F)		 13°C
(56°F)		 20°C
(67°F)		 23°C
(74°F)		 21°C
(71°F)		 15°C
(60°F)		 6°C
(43°F)		 -1°C
(31°F)		 -6°C
(22°F)
Average low -12°C
(10°F)		 -15°C
(5°F)		 -6°C
(21°F)		 -1°C
(30°F)		 6°C
(44°F)		 13°C
(55°F)		 16°C
(60°F)		 14°C
(57°F)		 9°C
(48°F)		 1°C
(33°F)		 -5°C
(23°F)		 -10°C
(14°F)
Mean minimum -31°C
(-23°F)		 -30°C
(-21°F)		 -20°C
(-3°F)		 -12°C
(11°F)		 -1°C
(31°F)		 7°C
(45°F)		 10°C
(50°F)		 8°C
(47°F)		 1°C
(33°F)		 -10°C
(14°F)		 -16°C
(4°F)		 -23°C
(-10°F)
Minimum -40°C
(-39°F)		 -40°C
(-40°F)		 -29°C
(-19°F)		 -18°C
(0°F)		 -5°C
(24°F)		 6°C
(43°F)		 7°C
(44°F)		 7°C
(45°F)		 -3°C
(26°F)		 -20°C
(-4°F)		 -19°C
(-2°F)		 -33°C
(-27°F)

Compare climate in Poplar with other places

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

Monthly average precipitation in Poplar, Montana, United States §

Poplar usually has the most precipitation in May, June and September, with an average of 7 rainy days and 55 mm (2.2 inches) of precipitation per month.The driest months in Poplar are January, March and December. On average, 16 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Poplar, Montana, 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) 9 (0.4) 22 (0.9) 21 (0.8) 24 (1.0) 39 (1.5) 66 (2.6) 32 (1.3) 30 (1.2) 61 (2.4) 24 (0.9) 22 (0.9) 18 (0.7)
Average precipitation days (≥ 1 mm) 3 5 5 5 7 8 6 4 6 4 5 4

Monthly sunshine hours in Poplar, Montana, United States §

The sunniest months in Poplar are June, July and August, when the sun shines an average of 11 hours 53 minutes a day.Least sunny months in Poplar: January, November and December receive an average of 5 hours 29 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Poplar, Montana, 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 144 197 251 277 327 365 392 337 268 230 186 174
Mean daily daylight hours 8h 51m 10h 14m 11h 56m 13h 42m 15h 12m 15h 58m 15h 33m 14h 11m 12h 30m 10h 45m 9h 13m 8h 24m

Solar UV radiation in Poplar, Montana, United States §

Poplar 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, 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 Poplar UV Index data.

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