Murphy (10 mi W), Idaho climate: Climate normals at a NOAA weather station
Murphy (10 mi W)'s normal year runs from 21°F December nights to 88°F July afternoons, with 11.3 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 9.1°C, December lows of −6°C, July highs of 31°C, 287 mm of precipitation a year.
- NOAA stationMurphy (10 mi W)
- Station IDUSW00004127
- Location43.20°N 116.75°W
- Elevation3,950 ft (1,204 m)
On October 22, the normal high in Murphy (10 mi W) is 59°F and the normal low 32°F, and the chance of measurable rain or snow is 20%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Murphy (10 mi W).
- Jan 40° 22°
- Feb 44° 24°
- Mar 52° 29°
- Apr 59° 33°
- May 68° 40°
- Jun 77° 46°
- Jul 88° 54°
- Aug 86° 53°
- Sep 76° 44°
- Oct 62° 34°
- Nov 47° 26°
- Dec 38° 21°
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 Murphy (10 mi W) each month?
July is the warmest month, with normal highs of 88°F; December the coldest, with normal lows of 21°F. The most precipitation falls in May (1.40 in), the least in August (0.30 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 40°F | 22°F | 30.7°F | 1.24 | 9 | <1 | 28 | 9 h 20 min |
| February | 44°F | 24°F | 33.9°F | 0.83 | 9 | <1 | 24 | 10 h 30 min |
| March | 52°F | 29°F | 40.7°F | 1.12 | 10 | <1 | 22 | 11 h 50 min |
| April | 59°F | 33°F | 45.6°F | 0.98 | 8 | <1 | 15 | 13 h 20 min |
| May | 68°F | 40°F | 54.2°F | 1.40 | 10 | <1 | 4 | 14 h 40 min |
| June | 77°F | 46°F | 61.6°F | 1.10 | 7 | 3 | <1 | 15 h 20 min |
| July | 88°F | 54°F | 70.9°F | 0.33 | 3 | 16 | <1 | 15 h 10 min |
| August | 86°F | 53°F | 69.5°F | 0.30 | 3 | 11 | <1 | 14 h |
| September | 76°F | 44°F | 60.2°F | 0.56 | 4 | 2 | 1 | 12 h 30 min |
| October | 62°F | 34°F | 48.1°F | 0.74 | 5 | <1 | 12 | 11 h 10 min |
| November | 47°F | 26°F | 36.4°F | 1.30 | 9 | <1 | 23 | 9 h 50 min |
| December | 38°F | 21°F | 29.4°F | 1.40 | 11 | <1 | 28 | 9 h |
| Year (annual) | 61°F | 35°F | 48.4°F | 11.30 | 89 | 32 | 158 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 4°C | −6°C | −0.7°C | 31 mm |
| February | 6°C | −4°C | 1.1°C | 21 mm |
| March | 11°C | −2°C | 4.8°C | 28 mm |
| April | 15°C | 0°C | 7.6°C | 25 mm |
| May | 20°C | 5°C | 12.3°C | 36 mm |
| June | 25°C | 8°C | 16.4°C | 28 mm |
| July | 31°C | 12°C | 21.6°C | 8 mm |
| August | 30°C | 12°C | 20.8°C | 8 mm |
| September | 25°C | 7°C | 15.7°C | 14 mm |
| October | 17°C | 1°C | 8.9°C | 19 mm |
| November | 8°C | −4°C | 2.4°C | 33 mm |
| December | 3°C | −6°C | −1.4°C | 36 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 USW00004127; 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 Murphy (10 mi W)?
Normal highs sit between 65°F and 85°F in May, June and September. Of those, September has the fewest days with rain (4).
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 USW00004127.
When is the last frost at Murphy (10 mi W)?
In Murphy (10 mi W), the last spring frost (32°F) comes after May 17 in half of years and after June 6 in one year in ten; the first autumn frost comes before September 30 in half of years and before September 14 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
- May 171 year in 10 after June 6; 9 in 10 after May 2
- First autumn frost, half of years before
- September 301 year in 10 before September 14; 9 in 10 before October 14
NOAA puts the median frost-free season at 134 days, and the season without a hard freeze (28°F) at 165 days.
A hard freeze (28°F) comes after April 30 in half of springs and before October 11 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Murphy (10 mi W) in zone 7a in ZIP code 83641, 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 −1°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 Idaho · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USW00004127; 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 Murphy (10 mi W)?
In a normal year in Murphy (10 mi W), 32 days a year reach 90°F (1 of them 100°F or more), 158 nights fall to 32°F or colder and 89 days bring measurable precipitation.
- Days at 90°F or more
- 32a normal year
- Days at 100°F or more
- 1a normal year
- Nights at 32°F or colder
- 158a normal year
- Days that stay below freezing
- 19high of 32°F or less
- Days with 0.01 inch of precipitation
- 89a normal year
The highest temperature in this station's record (since 2003) is 104°F, on July 1, 2013; the lowest is −16°F, on January 6, 2017.
The wettest calendar year on that record is 2005, with 13.89 in.
Source: NOAA NCEI 1991-2020 annual normals, station USW00004127; records: ACIS (NOAA Regional Climate Centers), station USW00004127. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Murphy (10 mi W)?
Over a year 82% of the sunlight that would reach the ground under clear skies gets through the clouds at Murphy (10 mi W), 4.6 kWh per square metre a day. July is the sunniest month (92%) and December the cloudiest (62%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 64% | 1.7 |
| February | 70% | 2.7 |
| March | 72% | 4.0 |
| April | 77% | 5.5 |
| May | 81% | 6.7 |
| June | 86% | 7.5 |
| July | 92% | 7.7 |
| August | 92% | 6.7 |
| September | 89% | 5.2 |
| October | 82% | 3.5 |
| November | 71% | 2.1 |
| December | 62% | 1.4 |
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 Murphy (10 mi W) record?
A normal year at Murphy (10 mi W) brings 6,473 heating degree days, 20% more than the median U.S. place (5,373), and 457 cooling degree days, 50% 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 2,214 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,065 | 0 |
| February | 869 | 0 |
| March | 755 | 0 |
| April | 582 | 0 |
| May | 342 | 7 |
| June | 147 | 45 |
| July | 17 | 200 |
| August | 26 | 167 |
| September | 182 | 37 |
| October | 524 | 1 |
| November | 859 | 0 |
| December | 1,105 | 0 |
| Year (annual) | 6,473 | 457 |
Source: NOAA NCEI 1991-2020 monthly normals, station USW00004127. 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 Murphy (10 mi W) been warmer than normal?
2025 averaged 50.9°F, 2.5°F above the 1991-2020 normal of 48.4°F. 4 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 50.4°F | +2.0°F | 7.39 |
| 2022 | 48.1°F | −0.3°F | 10.40 |
| 2023 | 48.6°F | +0.2°F | 11.07 |
| 2024 | 49.9°F | +1.5°F | 10.93 |
| 2025 | 50.9°F | +2.5°F | 11.79 |
Source: observed years: ACIS, station USW00004127. A year counts only with all twelve months complete.
How does Murphy (10 mi W)'s climate compare?
Murphy (10 mi W) is warmer than 58 of the 85 places with their own NOAA record in Idaho, and wetter than 28. Across the 7,247 U.S. stations with normals, its annual mean of 48.4°F is warmer than 34%.
In the Köppen classification computed from these normals, Murphy (10 mi W) 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.
What do Murphy (10 mi W)'s other NOAA stations record?
One more NOAA station keeps 1991-2020 normals in or near Murphy (10 mi W). This page uses MURPHY 10 W; the other differs by site and elevation:
| Station | From this station | Elevation | Year | Jan low | Jul high | Precip. | Snow | Last frost |
|---|---|---|---|---|---|---|---|---|
| Reynolds USC00107648 | in town | 3,930 ft | 47.8°F | 21°F | 87°F | 9.9 | – | May 21 |
Source: NOAA NCEI 1991-2020 normals for each station. Last frost: the median last spring date of 32°F.
Questions about Murphy (10 mi W)'s climate
What is the coldest month at Murphy (10 mi W)?
December, with a normal high of 38°F and a normal low of 21°F. The warmest is July (88°F by day, 54°F at night).
What is the rainiest month at Murphy (10 mi W)?
May, with 1.40 in of precipitation in a normal year; the driest is August with 0.30 in.
What plant hardiness zone is Murphy (10 mi W) in?
The USDA's 2023 map puts Murphy (10 mi W) in zone 7a in ZIP code 83641, the nearest ZIP area. By the same method at the station, the coldest night of a typical year reaches −1°F (17 years, 1991-2020): zone 6b.
How late can frost come at Murphy (10 mi W)?
In half of years the last 32°F night comes after May 17; in one year in ten it comes after June 6. Waiting until June 6 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Idaho climateThe statewide normals and every place in the state
- Silver City (5 mi W), ID14 miles from this station, 46.2°F a year
- Sheaville (1 mi SE), OR16 miles from this station, 48.3°F a year
- Swan Falls Powerhouse, ID19 miles from this station, 55.2°F a year
- Rockville (5 mi N), OR21 miles from this station, 48.3°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made