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Monthly climate in Shell Valley, North Dakota, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Shell Valley features a humid continental climate (Dfb).Temperatures typically range between -15 °C (5 °F) and 20 °C (69 °F) through the year, but rarely can drop to -41 °C (-42 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 501 mm (19.7 inches) and receives 77 rainy days on the 1 mm (0.04 inches) threshold annually.Shell Valley enjoys an average of 3065 hours of sunshine throughout the year, and daylight varies from 8 hours 18 minutes to 16 hours 5 minutes per day.

Monthly average temperatures in Shell Valley, North Dakota, United States §

The warmest months in Shell Valley are June, July and August, with daily mean temperatures ranging from 18 to 20 °C (65 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -15 to -10 °C (5 - 15 °F) throughout the day. On average each year, Shell Valley experiences 45 days above 25 °C (77.0 °F) and 177 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Shell Valley, North Dakota, 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 3°C
(38°F)		 6°C
(42°F)		 16°C
(61°F)		 24°C
(75°F)		 32°C
(89°F)		 38°C
(101°F)		 32°C
(89°F)		 36°C
(96°F)		 30°C
(87°F)		 31°C
(87°F)		 20°C
(68°F)		 8°C
(47°F)
Mean maximum 2°C
(36°F)		 2°C
(37°F)		 10°C
(51°F)		 19°C
(67°F)		 28°C
(82°F)		 30°C
(86°F)		 30°C
(87°F)		 32°C
(91°F)		 29°C
(84°F)		 23°C
(74°F)		 10°C
(51°F)		 5°C
(42°F)
Average high -9°C
(16°F)		 -10°C
(14°F)		 0°C
(33°F)		 8°C
(46°F)		 17°C
(64°F)		 24°C
(75°F)		 26°C
(79°F)		 24°C
(76°F)		 19°C
(67°F)		 9°C
(49°F)		 -0°C
(32°F)		 -6°C
(22°F)
Daily mean -13°C
(8°F)		 -15°C
(5°F)		 -5°C
(24°F)		 2°C
(36°F)		 11°C
(53°F)		 18°C
(65°F)		 20°C
(69°F)		 18°C
(65°F)		 13°C
(56°F)		 4°C
(40°F)		 -4°C
(24°F)		 -10°C
(15°F)
Average low -18°C
(1°F)		 -20°C
(-4°F)		 -9°C
(16°F)		 -3°C
(27°F)		 5°C
(42°F)		 12°C
(54°F)		 15°C
(59°F)		 12°C
(54°F)		 8°C
(46°F)		 0°C
(33°F)		 -9°C
(17°F)		 -14°C
(7°F)
Mean minimum -34°C
(-29°F)		 -33°C
(-27°F)		 -25°C
(-12°F)		 -13°C
(9°F)		 -3°C
(26°F)		 6°C
(43°F)		 8°C
(47°F)		 7°C
(44°F)		 1°C
(33°F)		 -8°C
(18°F)		 -19°C
(-2°F)		 -30°C
(-21°F)
Minimum -39°C
(-38°F)		 -41°C
(-42°F)		 -27°C
(-16°F)		 -20°C
(-4°F)		 -6°C
(21°F)		 3°C
(37°F)		 7°C
(44°F)		 5°C
(41°F)		 -2°C
(28°F)		 -10°C
(15°F)		 -24°C
(-10°F)		 -38°C
(-35°F)

Compare climate in Shell Valley with other places

Compare temperature, precipitation, sunshine, UV index in Shell Valley, North Dakota, United States with other places around the world.

Monthly average precipitation in Shell Valley, North Dakota, United States §

Shell Valley usually has the most precipitation in June, August and September, with an average of 9 rainy days and 75 mm (2.9 inches) of precipitation per month.The driest months in Shell Valley are January, February and December. On average, 17 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Shell Valley, North Dakota, 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) 14 (0.6) 16 (0.6) 24 (1.0) 23 (0.9) 40 (1.6) 81 (3.2) 63 (2.5) 70 (2.8) 73 (2.9) 47 (1.9) 26 (1.0) 22 (0.9)
Average precipitation days (≥ 1 mm) 3 4 5 5 7 10 7 8 9 7 6 6

Monthly sunshine hours in Shell Valley, North Dakota, United States §

The sunniest months in Shell Valley are June, July and August, when the sun shines an average of 11 hours 46 minutes a day.Least sunny months in Shell Valley: January, November and December receive an average of 5 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Shell Valley, North Dakota, 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 138 208 248 276 323 359 389 334 254 203 160 168
Mean daily daylight hours 8h 46m 10h 11m 11h 56m 13h 44m 15h 18m 16h 5m 15h 39m 14h 15m 12h 31m 10h 43m 9h 8m 8h 18m

Solar UV radiation in Shell Valley, North Dakota, United States §

Shell Valley experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure.January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Shell Valley UV Index data.

Average daily maximum UV levels by month for Shell Valley, North Dakota, 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 8 8 9 9 8 7 4 2 2