Kobe Hill, Alaska climate: Climate normals at a NOAA weather station
Kobe Hill's normal year runs from −13°F January nights to 73°F July afternoons, with 16.3 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of −2.1°C, January lows of −25°C, July highs of 23°C, 415 mm of precipitation a year.
- NOAA stationKobe Hill
- Station IDUSC00504971
- Location64.19°N 149.43°W
- Elevation800 ft (244 m)
On October 23, the normal high in Kobe Hill is 27°F and the normal low 12°F, and the chance of measurable rain or snow is 39%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Kobe Hill.
- Jan 2° -13°
- Feb 15° -7°
- Mar 26° -3°
- Apr 47° 20°
- May 62° 35°
- Jun 72° 47°
- Jul 73° 51°
- Aug 67° 45°
- Sep 55° 33°
- Oct 33° 17°
- Nov 12° -3°
- Dec 5° -11°
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 Kobe Hill each month?
July is the warmest month, with normal highs of 73°F; January the coldest, with normal lows of −13°F. The most precipitation falls in August (3.24 in), the least in April (0.38 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 2°F | −13°F | -5.3°F | 0.72 | 9 | <1 | 31 | 5 h 20 min |
| February | 15°F | −7°F | 3.6°F | 0.52 | 8 | <1 | 28 | 8 h 30 min |
| March | 26°F | −3°F | 11.2°F | 0.58 | 6 | <1 | 31 | 11 h 30 min |
| April | 47°F | 20°F | 33.0°F | 0.38 | 5 | <1 | 26 | 15 h |
| May | 62°F | 35°F | 48.5°F | 1.21 | 9 | <1 | 12 | 18 h 20 min |
| June | 72°F | 47°F | 59.2°F | 1.89 | 13 | <1 | 1 | 21 h |
| July | 73°F | 51°F | 61.6°F | 2.98 | 15 | <1 | <1 | 19 h 50 min |
| August | 67°F | 45°F | 55.5°F | 3.24 | 14 | <1 | 2 | 16 h 30 min |
| September | 55°F | 33°F | 44.2°F | 2.27 | 12 | <1 | 14 | 13 h 10 min |
| October | 33°F | 17°F | 25.1°F | 0.84 | 11 | <1 | 29 | 10 h |
| November | 12°F | −3°F | 4.5°F | 1.08 | 11 | <1 | 30 | 6 h 40 min |
| December | 5°F | −11°F | -3.2°F | 0.61 | 10 | <1 | 31 | 4 h 10 min |
| Year (annual) | 39°F | 18°F | 28.2°F | 16.32 | 122 | <1 | 235 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | −16°C | −25°C | −20.7°C | 18 mm |
| February | −10°C | −22°C | −15.8°C | 13 mm |
| March | −4°C | −19°C | −11.6°C | 15 mm |
| April | 8°C | −7°C | 0.6°C | 10 mm |
| May | 17°C | 2°C | 9.2°C | 31 mm |
| June | 22°C | 8°C | 15.1°C | 48 mm |
| July | 23°C | 10°C | 16.4°C | 76 mm |
| August | 19°C | 7°C | 13.1°C | 82 mm |
| September | 13°C | 1°C | 6.8°C | 58 mm |
| October | 1°C | −8°C | −3.8°C | 21 mm |
| November | −11°C | −19°C | −15.3°C | 27 mm |
| December | −15°C | −24°C | −19.6°C | 15 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 USC00504971; 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 Kobe Hill?
Normal highs sit between 65°F and 85°F in June, July and August. Of those, June has the fewest days with rain (13).
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 USC00504971.
When is the last frost at Kobe Hill?
In Kobe Hill, the last spring frost (32°F) comes after May 24 in half of years and after June 10 in one year in ten; the first autumn frost comes before September 2 in half of years and before August 17 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 241 year in 10 after June 10; 9 in 10 after May 9
- First autumn frost, half of years before
- September 21 year in 10 before August 17; 9 in 10 before September 15
NOAA puts the median frost-free season at 100 days, and the season without a hard freeze (28°F) at 122 days.
A hard freeze (28°F) comes after May 12 in half of springs and before September 13 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Kobe Hill in zone 2a in ZIP code 99704, the nearest ZIP area.
Frost dates for every NOAA station in Alaska · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00504971; 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 at Kobe Hill?
In a normal year in Kobe Hill, a 90°F day is rare, 235 nights fall to 32°F or colder and 122 days bring measurable precipitation.
- Days at 90°F or more
- fewer than 1a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 235a normal year
- Days that stay below freezing
- 146high of 32°F or less
- Days with 0.01 inch of precipitation
- 122a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00504971.
How sunny is it at Kobe Hill?
Over a year 73% of the sunlight that would reach the ground under clear skies gets through the clouds at Kobe Hill, 2.6 kWh per square metre a day. March is the sunniest month (85%) and October the cloudiest (61%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 75% | 0.2 |
| February | 76% | 0.9 |
| March | 85% | 2.6 |
| April | 84% | 4.5 |
| May | 75% | 5.3 |
| June | 71% | 5.6 |
| July | 67% | 4.8 |
| August | 68% | 3.7 |
| September | 68% | 2.4 |
| October | 61% | 0.9 |
| November | 63% | 0.3 |
| December | 78% | 0.1 |
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 Kobe Hill record?
A normal year at Kobe Hill brings 13,440 heating degree days, 2.5 times the median U.S. place (5,373), and 45 cooling degree days, 95% fewer than the median (908). Ten months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 922 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 2,177 | 0 |
| February | 1,719 | 0 |
| March | 1,666 | 0 |
| April | 959 | 0 |
| May | 512 | 0 |
| June | 187 | 13 |
| July | 127 | 22 |
| August | 302 | 9 |
| September | 624 | 0 |
| October | 1,237 | 0 |
| November | 1,814 | 0 |
| December | 2,114 | 0 |
| Year (annual) | 13,440 | 45 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00504971. 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 Kobe Hill's climate compare?
Kobe Hill is warmer than 27 of the 85 places with their own NOAA record in Alaska, and wetter than 28. Across the 7,247 U.S. stations with normals, its annual mean of 28.2°F is warmer than 1%.
In the Köppen classification computed from these normals, Kobe Hill is Dfc: continental, no dry season, cool 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 Kobe Hill's climate
What is the coldest month at Kobe Hill?
January, with a normal high of 2°F and a normal low of −13°F. The warmest is July (73°F by day, 51°F at night).
What is the rainiest month at Kobe Hill?
August, with 3.24 in of precipitation in a normal year; the driest is April with 0.38 in.
What plant hardiness zone is Kobe Hill in?
The USDA's 2023 map puts Kobe Hill in zone 2a in ZIP code 99704, the nearest ZIP area.
How late can frost come at Kobe Hill?
In half of years the last 32°F night comes after May 24; in one year in ten it comes after June 10. Waiting until June 10 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Alaska climateThe statewide normals and every place in the state
- Clear Sky, AK8 miles from this station, 27.2°F a year
- Healy, AK26 miles from this station, 28.6°F a year
- Nenana, AK27 miles from this station, 30.1°F a year
- McKinley Park, AK36 miles from this station, 28.0°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made