McDermitt (26 mi N), Oregon climate: Climate normals at a NOAA weather station
McDermitt (26 mi N)'s normal year runs from 20°F December nights to 93°F July afternoons, with 8.8 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 10.2°C, December lows of −6°C, July highs of 34°C, 223 mm of precipitation a year.
- NOAA stationMcDermitt (26 mi N)
- Station IDUSC00355335
- Location42.41°N 117.87°W
- Elevation4,464 ft (1,361 m)
On October 23, the normal high in McDermitt (26 mi N) is 64°F and the normal low 31°F, and the chance of measurable rain or snow is 15%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for McDermitt (26 mi N).
- Jan 43° 22°
- Feb 48° 23°
- Mar 57° 28°
- Apr 63° 31°
- May 72° 38°
- Jun 83° 44°
- Jul 93° 53°
- Aug 92° 50°
- Sep 82° 43°
- Oct 68° 33°
- Nov 53° 27°
- Dec 42° 20°
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 McDermitt (26 mi N) each month?
July is the warmest month, with normal highs of 93°F; December the coldest, with normal lows of 20°F. The most precipitation falls in May (1.40 in), the least in August (0.20 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 43°F | 22°F | 32.5°F | 0.73 | 7 | <1 | 27 | 9 h 20 min |
| February | 48°F | 23°F | 35.6°F | 0.48 | 5 | <1 | 25 | 10 h 30 min |
| March | 57°F | 28°F | 42.7°F | 1.06 | 6 | <1 | 23 | 11 h 50 min |
| April | 63°F | 31°F | 46.8°F | 1.33 | 9 | <1 | 19 | 13 h 20 min |
| May | 72°F | 38°F | 55.0°F | 1.40 | 8 | 1 | 8 | 14 h 30 min |
| June | 83°F | 44°F | 63.3°F | 0.90 | 5 | 7 | 2 | 15 h 20 min |
| July | 93°F | 53°F | 72.7°F | 0.28 | 2 | 22 | <1 | 15 h |
| August | 92°F | 50°F | 71.3°F | 0.20 | 1 | 21 | 1 | 14 h |
| September | 82°F | 43°F | 62.3°F | 0.31 | 2 | 6 | 5 | 12 h 30 min |
| October | 68°F | 33°F | 50.3°F | 0.78 | 4 | <1 | 16 | 11 h 10 min |
| November | 53°F | 27°F | 39.9°F | 0.56 | 6 | <1 | 24 | 9 h 50 min |
| December | 42°F | 20°F | 31.0°F | 0.75 | 6 | <1 | 27 | 9 h 10 min |
| Year (annual) | 66°F | 34°F | 50.3°F | 8.78 | 61 | 58 | 177 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 6°C | −5°C | 0.3°C | 19 mm |
| February | 9°C | −5°C | 2.0°C | 12 mm |
| March | 14°C | −2°C | 5.9°C | 27 mm |
| April | 17°C | −1°C | 8.2°C | 34 mm |
| May | 22°C | 3°C | 12.8°C | 36 mm |
| June | 28°C | 7°C | 17.4°C | 23 mm |
| July | 34°C | 12°C | 22.6°C | 7 mm |
| August | 34°C | 10°C | 21.8°C | 5 mm |
| September | 28°C | 6°C | 16.8°C | 8 mm |
| October | 20°C | 1°C | 10.2°C | 20 mm |
| November | 12°C | −3°C | 4.4°C | 14 mm |
| December | 5°C | −6°C | −0.6°C | 19 mm |
NOAA publishes no 1991-2020 snowfall normal for this station, and no record within 25 miles keeps one, so snow is left out here rather than estimated.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00355335; 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 McDermitt (26 mi N)?
Normal highs sit between 65°F and 85°F in May, June, September and October. Of those, September has the fewest days with rain (2).
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 USC00355335.
When is the last frost at McDermitt (26 mi N)?
In McDermitt (26 mi N), the last spring frost (32°F) comes after June 4 in half of years and after June 20 in one year in ten; the first autumn frost comes before September 26 in half of years and before September 5 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 41 year in 10 after June 20; 9 in 10 after May 16
- First autumn frost, half of years before
- September 261 year in 10 before September 5; 9 in 10 before October 10
NOAA puts the median frost-free season at 113 days, and the season without a hard freeze (28°F) at 141 days.
A hard freeze (28°F) comes after May 17 in half of springs and before October 5 in half of autumns.
Frost dates for every NOAA station in Oregon · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00355335. 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 McDermitt (26 mi N)?
In a normal year in McDermitt (26 mi N), 58 days a year reach 90°F (7 of them 100°F or more), 177 nights fall to 32°F or colder and 61 days bring measurable precipitation.
- Days at 90°F or more
- 58a normal year
- Days at 100°F or more
- 7a normal year
- Nights at 32°F or colder
- 177a normal year
- Days that stay below freezing
- 8high of 32°F or less
- Days with 0.01 inch of precipitation
- 61a normal year
The highest temperature in this station's record (since 1955) is 111°F, on July 20, 1969; the lowest is −29°F, on January 22, 1962.
The wettest calendar year on that record is 1998, with 13.71 in; the snowiest season is 1978–79, with 44.0 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00355335; records: ACIS (NOAA Regional Climate Centers), station USC00355335. Records use complete months only; a month missing more than three days is left out.
How sunny is it at McDermitt (26 mi N)?
Over a year 80% of the sunlight that would reach the ground under clear skies gets through the clouds at McDermitt (26 mi N), 4.6 kWh per square metre a day. July is the sunniest month (91%) and December the cloudiest (60%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 64% | 1.8 |
| February | 68% | 2.8 |
| March | 70% | 4.0 |
| April | 75% | 5.5 |
| May | 78% | 6.6 |
| June | 85% | 7.5 |
| July | 91% | 7.7 |
| August | 90% | 6.7 |
| September | 88% | 5.3 |
| October | 83% | 3.7 |
| November | 73% | 2.2 |
| December | 60% | 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 McDermitt (26 mi N) record?
A normal year at McDermitt (26 mi N) brings 5,945 heating degree days, 11% more than the median U.S. place (5,373), and 608 cooling degree days, 33% fewer than the median (908). Eight months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,538 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,008 | 0 |
| February | 822 | 0 |
| March | 693 | 0 |
| April | 547 | 1 |
| May | 322 | 12 |
| June | 118 | 68 |
| July | 17 | 257 |
| August | 22 | 216 |
| September | 135 | 52 |
| October | 457 | 2 |
| November | 753 | 0 |
| December | 1,052 | 0 |
| Year (annual) | 5,945 | 608 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00355335. 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 McDermitt (26 mi N)'s climate compare?
McDermitt (26 mi N) is warmer than 36 of the 105 places with their own NOAA record in Oregon, and wetter than 3. Across the 7,247 U.S. stations with normals, its annual mean of 50.3°F is warmer than 42%.
In the Köppen classification computed from these normals, McDermitt (26 mi N) is BSk: cold semi-arid steppe. 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 McDermitt (26 mi N)'s climate
What is the coldest month at McDermitt (26 mi N)?
December, with a normal high of 42°F and a normal low of 20°F. The warmest is July (93°F by day, 53°F at night).
What is the rainiest month at McDermitt (26 mi N)?
May, with 1.40 in of precipitation in a normal year; the driest is August with 0.20 in.
How late can frost come at McDermitt (26 mi N)?
In half of years the last 32°F night comes after June 4; in one year in ten it comes after June 20. Waiting until June 20 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Oregon climateThe statewide normals and every place in the state
- Rome St Airport, OR12 miles from this station, 49.9°F a year
- McDermitt, NV30 miles from this station, 47.6°F a year
- Rome (2 mi NW), OR33 miles from this station, 48.8°F a year
- Fields, OR43 miles from this station, 50.0°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made