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Lewis and Clark County, Montana, United States

Lower Ellis Place, Montana, United States

Upper Ellis Place, Montana, United States

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Rittel Mountain, United States

Denton Mountain, United States

Nelson Ranch Airport, United States

Weather Radar in Lewis and Clark County, Montana, United States

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FAQ

What are the average monthly temperatures in Lewis and Clark County?

Average temperatures for Lewis and Clark County:

Month	Min Temp	Max Temp
January	-9.1°C (15.7°F)	-1.9°C (28.6°F)
February	-10.4°C (13.4°F)	-2.2°C (28.1°F)
March	-5.3°C (22.4°F)	3.8°C (38.8°F)
April	-2.3°C (27.9°F)	8.1°C (46.5°F)
May	2.2°C (35.9°F)	13.8°C (56.9°F)
June	6.5°C (43.8°F)	19.6°C (67.4°F)
July	9.8°C (49.7°F)	25.7°C (78.3°F)
August	9.3°C (48.7°F)	25.0°C (77.0°F)
September	5.5°C (41.9°F)	19.2°C (66.5°F)
October	-0.3°C (31.4°F)	9.7°C (49.5°F)
November	-6.3°C (20.6°F)	1.8°C (35.2°F)
December	-11.4°C (11.4°F)	-4.2°C (24.5°F)

How much rain does Lewis and Clark County get?

The average annual rainfall for Lewis and Clark County is 292mm (11").

How much snow does Lewis and Clark County get?

The average annual snowfall for Lewis and Clark County is 305mm (12").