Campbell Creek Science Center, Alaska climate: Climate normals at a NOAA weather station
Campbell Creek Science Center's normal year runs from 3°F January nights to 69°F July afternoons, with 17.8 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 1.2°C, January lows of −16°C, July highs of 20°C, 452 mm of precipitation a year.
- NOAA stationCampbell Creek Science Center
- Station IDUSC00501220
- Location61.16°N 149.78°W
- Elevation258 ft (79 m)
On October 23, the normal high in Campbell Creek Science Center is 36°F and the normal low 21°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Campbell Creek Science Center.
- Jan 19° 3°
- Feb 27° 6°
- Mar 33° 10°
- Apr 47° 25°
- May 59° 33°
- Jun 66° 43°
- Jul 69° 49°
- Aug 64° 46°
- Sep 55° 37°
- Oct 41° 25°
- Nov 26° 10°
- Dec 22° 7°
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 Campbell Creek Science Center each month?
July is the warmest month, with normal highs of 69°F; January the coldest, with normal lows of 3°F. The most precipitation falls in September (3.14 in), the least in April (0.34 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 19°F | 3°F | 11.0°F | 0.96 | – | <1 | 31 | 6 h 20 min |
| February | 27°F | 6°F | 16.6°F | 1.06 | – | <1 | 28 | 9 h |
| March | 33°F | 10°F | 21.6°F | 0.80 | – | <1 | 31 | 11 h 40 min |
| April | 47°F | 25°F | 35.8°F | 0.34 | – | <1 | 28 | 14 h 40 min |
| May | 59°F | 33°F | 45.9°F | 0.68 | – | <1 | 17 | 17 h 20 min |
| June | 66°F | 43°F | 54.6°F | 1.15 | – | <1 | 1 | 19 h 20 min |
| July | 69°F | 49°F | 58.6°F | 2.19 | – | <1 | <1 | 18 h 30 min |
| August | 64°F | 46°F | 54.8°F | 2.75 | – | <1 | 1 | 16 h |
| September | 55°F | 37°F | 45.8°F | 3.14 | – | <1 | 10 | 13 h |
| October | 41°F | 25°F | 32.6°F | 1.79 | – | <1 | 24 | 10 h 10 min |
| November | 26°F | 10°F | 17.7°F | 1.27 | – | <1 | 29 | 7 h 20 min |
| December | 22°F | 7°F | 14.5°F | 1.68 | – | <1 | 31 | 5 h 30 min |
| Year (annual) | 44°F | 24°F | 34.1°F | 17.81 | – | <1 | 230 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | −7°C | −16°C | −11.7°C | 24 mm |
| February | −3°C | −14°C | −8.6°C | 27 mm |
| March | 1°C | −12°C | −5.8°C | 20 mm |
| April | 8°C | −4°C | 2.1°C | 9 mm |
| May | 15°C | 1°C | 7.7°C | 17 mm |
| June | 19°C | 6°C | 12.6°C | 29 mm |
| July | 20°C | 9°C | 14.8°C | 56 mm |
| August | 18°C | 8°C | 12.7°C | 70 mm |
| September | 13°C | 3°C | 7.7°C | 80 mm |
| October | 5°C | −4°C | 0.3°C | 45 mm |
| November | −4°C | −12°C | −7.9°C | 32 mm |
| December | −5°C | −14°C | −9.7°C | 43 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Glen Alps (5 miles away), gets 162 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00501220; 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 Campbell Creek Science Center?
Normal highs sit between 65°F and 85°F in June and July.
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 USC00501220.
When is the last frost at Campbell Creek Science Center?
In Campbell Creek Science Center, the last spring frost (32°F) comes after May 28 in half of years and after June 6 in one year in ten; the first autumn frost comes before September 12 in half of years and before August 30 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 281 year in 10 after June 6; 9 in 10 after May 17
- First autumn frost, half of years before
- September 121 year in 10 before August 30; 9 in 10 before September 25
NOAA puts the median frost-free season at 107 days, and the season without a hard freeze (28°F) at 131 days.
A hard freeze (28°F) comes after May 15 in half of springs and before September 24 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Campbell Creek Science Center in zone 5a in ZIP code 99508, 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 USC00501220; 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 Campbell Creek Science Center?
In a normal year in Campbell Creek Science Center, a 90°F day is rare and 230 nights fall to 32°F or colder.
- 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
- 230a normal year
- Days that stay below freezing
- 114high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00501220.
How sunny is it at Campbell Creek Science Center?
Over a year 64% of the sunlight that would reach the ground under clear skies gets through the clouds at Campbell Creek Science Center, 2.5 kWh per square metre a day. April is the sunniest month (70%) and October the cloudiest (55%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 57% | 0.3 |
| February | 59% | 0.9 |
| March | 68% | 2.4 |
| April | 70% | 4.0 |
| May | 66% | 5.0 |
| June | 65% | 5.3 |
| July | 63% | 4.8 |
| August | 63% | 3.8 |
| September | 61% | 2.4 |
| October | 55% | 1.1 |
| November | 55% | 0.4 |
| December | 56% | 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 Campbell Creek Science Center record?
A normal year at Campbell Creek Science Center brings 11,247 heating degree days, 2.1 times the median U.S. place (5,373), and 7 cooling degree days, 99% fewer than the median (908). Eleven months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 606 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,675 | 0 |
| February | 1,357 | 0 |
| March | 1,347 | 0 |
| April | 876 | 0 |
| May | 592 | 0 |
| June | 313 | 1 |
| July | 205 | 5 |
| August | 317 | 1 |
| September | 576 | 0 |
| October | 1,004 | 0 |
| November | 1,419 | 0 |
| December | 1,566 | 0 |
| Year (annual) | 11,247 | 7 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00501220. 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 Campbell Creek Science Center's climate compare?
Campbell Creek Science Center is warmer than 39 of the 85 places with their own NOAA record in Alaska, and wetter than 32. Across the 7,247 U.S. stations with normals, its annual mean of 34.1°F is warmer than 1%.
In the Köppen classification computed from these normals, Campbell Creek Science Center is Dsc: continental, dry-summer, 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 Campbell Creek Science Center's climate
What is the coldest month at Campbell Creek Science Center?
January, with a normal high of 19°F and a normal low of 3°F. The warmest is July (69°F by day, 49°F at night).
Does it snow at Campbell Creek Science Center?
Yes. NOAA publishes no 1991-2020 snowfall normal for the station; the nearest record that keeps one, Glen Alps (5 miles away), records 162 inches of snow in a normal year.
What is the rainiest month at Campbell Creek Science Center?
September, with 3.14 in of precipitation in a normal year; the driest is April with 0.34 in.
What plant hardiness zone is Campbell Creek Science Center in?
The USDA's 2023 map puts Campbell Creek Science Center in zone 5a in ZIP code 99508, the nearest ZIP area.
How late can frost come at Campbell Creek Science Center?
In half of years the last 32°F night comes after May 28; 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
- Alaska climateThe statewide normals and every place in the state
- Glen Alps, AK5 miles from this station, 34.5°F a year
- Anchorage Rabbit Creek #2, AK5 miles from this station, 36.5°F a year
- Fort Richardson Water Treatment Plant, AK6 miles from this station, 36.1°F a year
- Anchorage Lake Hood Airport, AK6 miles from this station, 38.0°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made