McConnellsville Lake 7, Ohio climate: Climate normals at a NOAA weather station
McConnellsville Lake 7's normal year runs from 20°F January nights to 84°F July afternoons, with 45.0 inches of precipitation and 19 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 11.2°C, January lows of −7°C, July highs of 29°C, 1,142 mm of precipitation a year.
- NOAA stationMcConnellsville Lake 7
- Station IDUSC00335041
- Location39.65°N 81.86°W
- Elevation760 ft (232 m)
On October 23, the normal high in McConnellsville Lake 7 is 64°F and the normal low 39°F, and the chance of measurable rain or snow is 32%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for McConnellsville Lake 7.
- Jan 39° 20°
- Feb 42° 22°
- Mar 52° 29°
- Apr 65° 38°
- May 73° 49°
- Jun 80° 58°
- Jul 84° 63°
- Aug 83° 61°
- Sep 78° 53°
- Oct 66° 41°
- Nov 54° 32°
- Dec 43° 26°
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 McConnellsville Lake 7 each month?
July is the warmest month, with normal highs of 84°F; January the coldest, with normal lows of 20°F. The most precipitation falls in July (4.65 in), the least in February (2.83 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 39°F | 20°F | 29.5°F | 3.64 | 7.7 | 13 | <1 | 26 | 9 h 40 min |
| February | 42°F | 22°F | 32.2°F | 2.83 | 5.2 | 10 | <1 | 24 | 10 h 40 min |
| March | 52°F | 29°F | 40.6°F | 3.85 | 2.5 | 12 | <1 | 21 | 11 h 50 min |
| April | 65°F | 38°F | 51.7°F | 4.21 | 0.0 | 13 | <1 | 9 | 13 h 10 min |
| May | 73°F | 49°F | 61.0°F | 4.36 | 0.0 | 13 | <1 | 1 | 14 h 20 min |
| June | 80°F | 58°F | 69.3°F | 4.63 | 0.0 | 12 | 2 | <1 | 15 h |
| July | 84°F | 63°F | 73.2°F | 4.65 | 0.0 | 12 | 4 | <1 | 14 h 40 min |
| August | 83°F | 61°F | 72.1°F | 3.90 | 0.0 | 10 | 5 | <1 | 13 h 50 min |
| September | 78°F | 53°F | 65.7°F | 3.41 | 0.0 | 9 | 2 | <1 | 12 h 30 min |
| October | 66°F | 41°F | 53.8°F | 3.11 | 0.0 | 10 | <1 | 5 | 11 h 10 min |
| November | 54°F | 32°F | 42.8°F | 3.02 | 0.4 | 11 | <1 | 17 | 10 h |
| December | 43°F | 26°F | 34.3°F | 3.35 | 3.6 | 13 | <1 | 25 | 9 h 20 min |
| Year (annual) | 63°F | 41°F | 52.2°F | 44.96 | 19.4 | 138 | 12 | 128 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 4°C | −7°C | −1.4°C | 92 mm | 20 cm |
| February | 6°C | −5°C | 0.1°C | 72 mm | 13 cm |
| March | 11°C | −2°C | 4.8°C | 98 mm | 6 cm |
| April | 18°C | 4°C | 10.9°C | 107 mm | 0 cm |
| May | 23°C | 9°C | 16.1°C | 111 mm | 0 cm |
| June | 27°C | 15°C | 20.7°C | 118 mm | 0 cm |
| July | 29°C | 17°C | 22.9°C | 118 mm | 0 cm |
| August | 29°C | 16°C | 22.3°C | 99 mm | 0 cm |
| September | 26°C | 12°C | 18.7°C | 87 mm | 0 cm |
| October | 19°C | 5°C | 12.1°C | 79 mm | 0 cm |
| November | 12°C | 0°C | 6.0°C | 77 mm | 1 cm |
| December | 6°C | −4°C | 1.3°C | 85 mm | 9 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00335041; 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 McConnellsville Lake 7?
Normal highs sit between 65°F and 85°F in April, May, June, July, August, September and October. Of those, September has the fewest days with rain (9).
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 USC00335041.
When is the last frost at McConnellsville Lake 7?
In McConnellsville Lake 7, the last spring frost (32°F) comes after April 27 in half of years and after May 14 in one year in ten; the first autumn frost comes before October 21 in half of years and before October 8 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
- April 271 year in 10 after May 14; 9 in 10 after April 13
- First autumn frost, half of years before
- October 211 year in 10 before October 8; 9 in 10 before November 1
NOAA puts the median frost-free season at 176 days, and the season without a hard freeze (28°F) at 198 days.
A hard freeze (28°F) comes after April 15 in half of springs and before November 1 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts McConnellsville Lake 7 in zone 6b in ZIP code 43756, 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 6b: the coldest night of a typical year reaches −2°F (18 complete years).
Frost dates for every NOAA station in Ohio · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00335041; 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 McConnellsville Lake 7?
In a normal year in McConnellsville Lake 7, 12 days a year reach 90°F, 128 nights fall to 32°F or colder and 138 days bring measurable precipitation.
- Days at 90°F or more
- 12a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 128a normal year
- Days that stay below freezing
- 24high of 32°F or less
- Days with 0.01 inch of precipitation
- 138a normal year
- Days with 1 inch of snow or more
- 7a normal year
The highest temperature in this station's record (since 1893) is 105°F, on July 28, 1930; the lowest is −29°F, on February 10, 1899.
The wettest calendar year on that record is 2011, with 60.64 in; the snowiest season is 1917–18, with 71.8 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00335041; records: ACIS (NOAA Regional Climate Centers), station USC00335041. Records use complete months only; a month missing more than three days is left out.
How sunny is it at McConnellsville Lake 7?
Over a year 71% of the sunlight that would reach the ground under clear skies gets through the clouds at McConnellsville Lake 7, 3.9 kWh per square metre a day. August is the sunniest month (79%) and December the cloudiest (56%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 57% | 1.7 |
| February | 59% | 2.5 |
| March | 64% | 3.6 |
| April | 69% | 4.8 |
| May | 71% | 5.5 |
| June | 76% | 6.1 |
| July | 77% | 5.9 |
| August | 79% | 5.4 |
| September | 78% | 4.5 |
| October | 70% | 3.1 |
| November | 68% | 2.2 |
| December | 56% | 1.5 |
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 McConnellsville Lake 7 record?
A normal year at McConnellsville Lake 7 brings 5,443 heating degree days, 1% more than the median U.S. place (5,373), and 800 cooling degree days, 12% fewer than the median (908). Seven months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 3,213 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,100 | 0 |
| February | 918 | 0 |
| March | 757 | 1 |
| April | 407 | 8 |
| May | 171 | 49 |
| June | 29 | 158 |
| July | 2 | 255 |
| August | 5 | 225 |
| September | 74 | 93 |
| October | 359 | 10 |
| November | 668 | 0 |
| December | 952 | 0 |
| Year (annual) | 5,443 | 800 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00335041. 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.
How does McConnellsville Lake 7's climate compare?
McConnellsville Lake 7 is warmer than 62 of the 99 places with their own NOAA record in Ohio, and wetter than 80. Across the 7,247 U.S. stations with normals, its annual mean of 52.2°F is warmer than 50%.
In the Köppen classification computed from these normals, McConnellsville Lake 7 is Dfa: continental, no dry season, hot 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.
Which places near McConnellsville Lake 7 share this climate record?
4 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- McConnelsville, OH1,633 people · 1 mi NE
- Malta, OH548 people · 0 mi W
- Stockport, OH470 people · 8 mi SE
- Chesterhill, OH267 people · 11 mi S
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about McConnellsville Lake 7's climate
What is the coldest month at McConnellsville Lake 7?
January, with a normal high of 39°F and a normal low of 20°F. The warmest is July (84°F by day, 63°F at night).
Does it snow at McConnellsville Lake 7?
Yes: 19 inches in a normal year, falling on 14 days with 0.1 inch or more, the most in January (7.7 inches).
What is the rainiest month at McConnellsville Lake 7?
July, with 4.65 in of precipitation in a normal year; the driest is February with 2.83 in.
What plant hardiness zone is McConnellsville Lake 7 in?
The USDA's 2023 map puts McConnellsville Lake 7 in zone 6b in ZIP code 43756, the nearest ZIP area. By the same method at the station, the coldest night of a typical year reaches −2°F (18 years, 1991-2020): zone 6b.
How late can frost come at McConnellsville Lake 7?
In half of years the last 32°F night comes after April 27; in one year in ten it comes after May 14. Waiting until May 14 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Ohio climateThe statewide normals and every place in the state
- Philo, OH13 miles from this station, 53.8°F a year
- Beverly, OH14 miles from this station, 52.9°F a year
- New Lexington, OH20 miles from this station, 50.7°F a year
- Zanesville, OH21 miles from this station, 53.0°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made