Grand View, Idaho climate: Normal weather by month, frost dates and records
Grand View's normal year runs from 23°F December nights to 93°F July afternoons, with 6.7 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 11.7°C, December lows of −5°C, July highs of 34°C, 170 mm of precipitation a year.
- NOAA stationGrand View (4 mi NW)
- Station IDUSC00103760
- Location43.02°N 116.18°W
- Elevation2,400 ft (732 m)
- Population464
On October 23, the normal high in Grand View is 64°F and the normal low 34°F, and the chance of measurable rain or snow is 13%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Grand View.
- Jan 41° 23°
- Feb 49° 27°
- Mar 60° 32°
- Apr 67° 38°
- May 76° 46°
- Jun 84° 53°
- Jul 93° 58°
- Aug 92° 55°
- Sep 83° 47°
- Oct 68° 37°
- Nov 51° 28°
- Dec 40° 23°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Grand View each month?
July is the warmest month, with normal highs of 93°F; December the coldest, with normal lows of 23°F. The most precipitation falls in May (0.90 in), the least in August (0.20 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 41°F | 23°F | 32.4°F | 0.75 | 6 | <1 | 27 | 9 h 20 min |
| February | 49°F | 27°F | 37.9°F | 0.49 | 5 | <1 | 22 | 10 h 30 min |
| March | 60°F | 32°F | 45.8°F | 0.69 | 4 | <1 | 17 | 11 h 50 min |
| April | 67°F | 38°F | 52.1°F | 0.65 | 5 | <1 | 8 | 13 h 20 min |
| May | 76°F | 46°F | 61.0°F | 0.90 | 5 | 3 | 1 | 14 h 40 min |
| June | 84°F | 53°F | 68.5°F | 0.57 | 4 | 8 | <1 | 15 h 20 min |
| July | 93°F | 58°F | 75.7°F | 0.26 | 1 | 23 | <1 | 15 h |
| August | 92°F | 55°F | 73.7°F | 0.20 | 1 | 21 | <1 | 14 h |
| September | 83°F | 47°F | 64.7°F | 0.24 | 1 | 5 | 1 | 12 h 30 min |
| October | 68°F | 37°F | 52.4°F | 0.44 | 4 | <1 | 10 | 11 h 10 min |
| November | 51°F | 28°F | 39.6°F | 0.61 | 6 | <1 | 20 | 9 h 50 min |
| December | 40°F | 23°F | 31.6°F | 0.88 | 6 | <1 | 26 | 9 h |
| Year (annual) | 67°F | 39°F | 53.0°F | 6.68 | 49 | 61 | 133 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 5°C | −5°C | 0.2°C | 19 mm |
| February | 9°C | −3°C | 3.3°C | 12 mm |
| March | 15°C | 0°C | 7.7°C | 18 mm |
| April | 19°C | 3°C | 11.2°C | 17 mm |
| May | 24°C | 8°C | 16.1°C | 23 mm |
| June | 29°C | 12°C | 20.3°C | 14 mm |
| July | 34°C | 15°C | 24.3°C | 7 mm |
| August | 33°C | 13°C | 23.2°C | 5 mm |
| September | 28°C | 8°C | 18.2°C | 6 mm |
| October | 20°C | 3°C | 11.3°C | 11 mm |
| November | 11°C | −2°C | 4.2°C | 15 mm |
| December | 4°C | −5°C | −0.2°C | 22 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 USC00103760; 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.
When is the best weather to visit Grand View?
Normal highs sit between 65°F and 85°F in April, May, June, September and October. Of those, September has the fewest days with rain (1).
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 USC00103760.
When is the last frost in Grand View?
In Grand View, the last spring frost (32°F) comes after April 28 in half of years and after May 13 in one year in ten; the first autumn frost comes before October 6 in half of years and before September 24 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 281 year in 10 after May 13; 9 in 10 after April 12
- First autumn frost, half of years before
- October 61 year in 10 before September 24; 9 in 10 before October 22
NOAA puts the median frost-free season at 162 days, and the season without a hard freeze (28°F) at 189 days.
A hard freeze (28°F) comes after April 12 in half of springs and before October 20 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Grand View in zone 7a in ZIP code 83624, the nearest ZIP area.
Frost dates for every NOAA station in Idaho · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00103760; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. 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 in Grand View?
In a normal year in Grand View, 61 days a year reach 90°F (7 of them 100°F or more), 133 nights fall to 32°F or colder and 49 days bring measurable precipitation.
- Days at 90°F or more
- 61a normal year
- Days at 100°F or more
- 7a normal year
- Nights at 32°F or colder
- 133a normal year
- Days that stay below freezing
- 12high of 32°F or less
- Days with 0.01 inch of precipitation
- 49a normal year
The highest temperature in this station's record (since 1909) is 115°F, on July 28, 1934; the lowest is −34°F, on December 24, 1924.
The wettest calendar year on that record is 1935, with 9.64 in; the snowiest season is 1951–52, with 35.0 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00103760; records: ACIS (NOAA Regional Climate Centers), station USC00103760. Records use complete months only; a month missing more than three days is left out.
How sunny is Grand View?
Over a year 82% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Grand View, 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 much heating and cooling does Grand View need?
A normal year in Grand View brings 5,248 heating degree days, 2% fewer than the median U.S. place (5,373), and 885 cooling degree days, 3% 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 3,174 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,012 | 0 |
| February | 759 | 0 |
| March | 595 | 0 |
| April | 389 | 2 |
| May | 171 | 47 |
| June | 39 | 145 |
| July | 3 | 336 |
| August | 8 | 279 |
| September | 81 | 73 |
| October | 395 | 3 |
| November | 760 | 0 |
| December | 1,037 | 0 |
| Year (annual) | 5,248 | 885 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00103760. 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 Grand View's climate compare?
Grand View is warmer than 79 of the other 84 places with their own NOAA record in Idaho, and wetter than 0. Across the 7,247 U.S. stations with normals, its annual mean of 53.0°F is warmer than 54%.
In the Köppen classification computed from these normals, Grand View is BWk: cold desert. 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 Grand View's climate
What is the coldest month in Grand View?
December, with a normal high of 40°F and a normal low of 23°F. The warmest is July (93°F by day, 58°F at night).
What is the rainiest month in Grand View?
May, with 0.90 in of precipitation in a normal year; the driest is August with 0.20 in.
What plant hardiness zone is Grand View in?
The USDA's 2023 map puts Grand View in zone 7a in ZIP code 83624, the nearest ZIP area.
How late can frost come in Grand View?
In half of years the last 32°F night comes after April 28; in one year in ten it comes after May 13. Waiting until May 13 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Idaho climateThe statewide normals and every place in the state
- Swan Falls Powerhouse, ID19 miles from this station, 55.2°F a year
- Bruneau, ID21 miles from this station, 55.2°F a year
- Mountain Home, ID25 miles from this station, 52.3°F a year
- Murphy (10 mi W), ID32 miles from this station, 48.4°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made