Clarksburg, Michigan climate: Climate normals at a NOAA weather station

Clarksburg's normal year runs from 2°F January nights to 78°F July afternoons, with 30.1 inches of precipitation and 118 inches of snow a year. (NOAA 1991-2020 normals)

In metric: a yearly mean of 3.5°C, January lows of −17°C, July highs of 26°C, 765 mm of precipitation a year.

  • NOAA stationClarksburg
  • Station IDUSC00201435
  • Location46.50°N 87.84°W
  • Elevation1,554 ft (474 m)

On October 23, the normal high in Clarksburg is 49°F and the normal low 28°F, and the chance of measurable rain or snow is 53%.

Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Clarksburg.

  1. Jan 22° 2°
  2. Feb 25° 0°
  3. Mar 37° 8°
  4. Apr 49° 23°
  5. May 64° 35°
  6. Jun 74° 45°
  7. Jul 78° 49°
  8. Aug 76° 47°
  9. Sep 68° 41°
  10. Oct 53° 31°
  11. Nov 38° 21°
  12. Dec 27° 9°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

What is the weather like at Clarksburg each month?

July is the warmest month, with normal highs of 78°F; January the coldest, with normal lows of 2°F. The most precipitation falls in July (3.92 in), the least in February (1.29 in).

Clarksburg monthly normals, 1991-2020 (°F, inches)
MonthHighLowMeanPrecip.SnowWet days90°F daysFreezing nightsDaylight
January 22°F2°F11.8°F 1.5825.1 17<1319 h
February 25°F0°F12.7°F 1.2923.9 13<12810 h 20 min
March 37°F8°F22.2°F 1.3414.5 10<13011 h 50 min
April 49°F23°F36.0°F 2.5114.7 12<12813 h 30 min
May 64°F35°F49.4°F 2.870.8 1511615 h
June 74°F45°F59.3°F 3.270.0 131315 h 50 min
July 78°F49°F63.6°F 3.920.0 123<115 h 30 min
August 76°F47°F61.8°F 2.710.0 121114 h 20 min
September 68°F41°F54.7°F 3.230.0 14<1612 h 40 min
October 53°F31°F42.0°F 3.502.7 16<11911 h
November 38°F21°F29.0°F 2.2615.0 16<1279 h 30 min
December 27°F9°F17.6°F 1.6321.1 17<1318 h 40 min
Year (annual)51°F26°F38.3°F30.11117.81665219
The same normals in °C and millimetres
Clarksburg monthly normals, 1991-2020 (°C, mm, snow in cm)
MonthHighLowMeanPrecip.Snow
January−6°C−17°C−11.2°C40 mm64 cm
February−4°C−18°C−10.7°C33 mm61 cm
March3°C−14°C−5.4°C34 mm37 cm
April10°C−5°C2.2°C64 mm37 cm
May18°C1°C9.7°C73 mm2 cm
June23°C7°C15.2°C83 mm0 cm
July26°C9°C17.6°C100 mm0 cm
August25°C8°C16.6°C69 mm0 cm
September20°C5°C12.6°C82 mm0 cm
October12°C−1°C5.6°C89 mm7 cm
November3°C−6°C−1.7°C57 mm38 cm
December−3°C−13°C−8.0°C41 mm54 cm
Normal daily high and low by month, Clarksburg
Normal precipitation by month, Clarksburg (inches)

Source: NOAA NCEI 1991-2020 monthly normals, station USC00201435; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.

Which months are mildest at Clarksburg?

Normal highs sit between 65°F and 85°F in June, July, August and September. Of those, July has the fewest days with rain (12).

That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.

Source: NOAA NCEI 1991-2020 monthly normals, station USC00201435.

When is the last frost at Clarksburg?

In Clarksburg, the last spring frost (32°F) comes after June 5 in half of years and after June 24 in one year in ten; the first autumn frost comes before September 10 in half of years and before August 23 in one year in ten.

Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years

Last spring frost, half of years after
June 51 year in 10 after June 24; 9 in 10 after May 23
First autumn frost, half of years before
September 101 year in 10 before August 23; 9 in 10 before October 1

NOAA puts the median frost-free season at 96 days, and the season without a hard freeze (28°F) at 127 days.

A hard freeze (28°F) comes after May 23 in half of springs and before September 28 in half of autumns.

The USDA's 2023 Plant Hardiness Zone Map puts Clarksburg in zone 4b in ZIP code 49849, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, the station is in zone 4a: the coldest night of a typical year reaches −30°F (17 complete years); the map interpolates between stations and terrain, so the station and the ZIP area can differ by half a zone.

Frost dates for every NOAA station in Michigan · Frost dates by ZIP code

Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00201435; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. A 10% date means one year in ten has a frost after it in spring or before it in autumn.

How hot and how cold does it get at Clarksburg?

In a normal year in Clarksburg, 5 days a year reach 90°F, 219 nights fall to 32°F or colder and 166 days bring measurable precipitation.

Days at 90°F or more
5a normal year
Days at 100°F or more
fewer than 1a normal year
Nights at 32°F or colder
219a normal year
Days that stay below freezing
93high of 32°F or less
Days with 0.01 inch of precipitation
166a normal year
Days with 1 inch of snow or more
40a normal year

Source: NOAA NCEI 1991-2020 annual normals, station USC00201435.

How sunny is it at Clarksburg?

Over a year 67% of the sunlight that would reach the ground under clear skies gets through the clouds at Clarksburg, 3.4 kWh per square metre a day. July is the sunniest month (77%) and December the cloudiest (48%).

Clarksburg: sunshine by month (NASA POWER, 2001-2020)
MonthShare of clear-sky sunshineSunshine, kWh/m² a day
January49%1.1
February55%1.9
March63%3.2
April66%4.4
May69%5.4
June72%5.9
July77%6.0
August75%5.0
September70%3.7
October60%2.2
November52%1.3
December48%0.9

Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.

How many heating and cooling degree days does Clarksburg record?

A normal year at Clarksburg brings 9,812 heating degree days, 83% more than the median U.S. place (5,373), and 141 cooling degree days, 84% fewer than the median (908). Nine months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 1,415 growing degree days a year above 50°F.

Clarksburg: normal heating and cooling degree days by month (base 65°F)
MonthHeatingCooling
January1,6470
February1,4630
March1,3270
April8690
May4905
June19627
July10158
August13536
September32415
October7121
November1,0800
December1,4680
Year (annual)9,812141

Source: NOAA NCEI 1991-2020 monthly normals, station USC00201435. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.

Have recent years at Clarksburg been warmer than normal?

2025 averaged 38.5°F, 0.2°F above the 1991-2020 normal of 38.3°F. 3 of the 3 complete years since 2021 ran warmer than the normal.

Clarksburg: each recent year's mean against the 1991-2020 normal (38.3°F)
YearMeanAgainst normalPrecip.Snow
202140.6°F+2.3°F25.2389.0
202441.4°F+3.1°F32.63119.2
202538.5°F+0.2°F33.65154.0

Source: observed years: ACIS, station USC00201435. A year counts only with all twelve months complete.

How does Clarksburg's climate compare?

Clarksburg is warmer than 0 of the 140 places with their own NOAA record in Michigan, and wetter than 12. Across the 7,247 U.S. stations with normals, its annual mean of 38.3°F is warmer than 3%.

In the Köppen classification computed from these normals, Clarksburg is Dfb: continental, no dry season, warm summer. What the classes mean.

Places with the most similar year elsewhere

Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:

Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.

Questions about Clarksburg's climate

What is the coldest month at Clarksburg?

January, with a normal high of 22°F and a normal low of 2°F. The warmest is July (78°F by day, 49°F at night).

Does it snow at Clarksburg?

Yes: 118 inches in a normal year, falling on 79 days with 0.1 inch or more, the most in January (25.1 inches).

What is the rainiest month at Clarksburg?

July, with 3.92 in of precipitation in a normal year; the driest is February with 1.29 in.

What plant hardiness zone is Clarksburg in?

The USDA's 2023 map puts Clarksburg in zone 4b in ZIP code 49849, the nearest ZIP area. By the same method at the station, the coldest night of a typical year reaches −30°F (17 years, 1991-2020): zone 4a.

How late can frost come at Clarksburg?

In half of years the last 32°F night comes after June 5; in one year in ten it comes after June 24. Waiting until June 24 leaves about a one-in-ten chance of a later frost.

Nearby and next

Download these normals (CSV) · JSON · How these figures are made