Kitoi Bay, Alaska climate: Climate normals at a NOAA weather station
Kitoi Bay's normal year runs from 26°F January nights to 62°F August afternoons, with 65.7 inches of precipitation and 37 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 5.0°C, January lows of −4°C, August highs of 17°C, 1,668 mm of precipitation a year.
- NOAA stationKitoi Bay
- Station IDUSC00504812
- Location58.19°N 152.37°W
- Elevation60 ft (18 m)
On October 23, the normal high in Kitoi Bay is 45°F and the normal low 34°F, and the chance of measurable rain or snow is 59%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Kitoi Bay.
- Jan 34° 26°
- Feb 36° 27°
- Mar 38° 26°
- Apr 44° 32°
- May 52° 38°
- Jun 57° 44°
- Jul 62° 48°
- Aug 62° 49°
- Sep 56° 44°
- Oct 47° 35°
- Nov 39° 30°
- Dec 35° 25°
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 Kitoi Bay each month?
August is the warmest month, with normal highs of 62°F; January the coldest, with normal lows of 26°F. The most precipitation falls in October (7.93 in), the least in June (3.68 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 34°F | 26°F | 29.9°F | 6.13 | 12.4 | 19 | <1 | 25 | 7 h 10 min |
| February | 36°F | 27°F | 31.4°F | 5.36 | 6.6 | 17 | <1 | 21 | 9 h 20 min |
| March | 38°F | 26°F | 32.0°F | 4.38 | 3.3 | 15 | <1 | 25 | 11 h 40 min |
| April | 44°F | 32°F | 38.2°F | 5.39 | 0.7 | 18 | <1 | 15 | 14 h 20 min |
| May | 52°F | 38°F | 44.6°F | 4.67 | 0.0 | 16 | <1 | 5 | 16 h 40 min |
| June | 57°F | 44°F | 50.3°F | 3.68 | 0.0 | 14 | <1 | <1 | 18 h 10 min |
| July | 62°F | 48°F | 54.9°F | 3.68 | 0.0 | 14 | <1 | <1 | 17 h 40 min |
| August | 62°F | 49°F | 55.5°F | 4.85 | 0.0 | 15 | <1 | <1 | 15 h 30 min |
| September | 56°F | 44°F | 49.8°F | 6.61 | 0.0 | 16 | <1 | 1 | 13 h |
| October | 47°F | 35°F | 40.9°F | 7.93 | 0.1 | 18 | <1 | 11 | 10 h 30 min |
| November | 39°F | 30°F | 34.3°F | 5.97 | 3.9 | 17 | <1 | 22 | 8 h |
| December | 35°F | 25°F | 30.1°F | 7.01 | 9.8 | 19 | <1 | 24 | 6 h 30 min |
| Year (annual) | 47°F | 35°F | 41.0°F | 65.66 | 36.8 | 196 | <1 | 149 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 1°C | −4°C | −1.2°C | 156 mm | 31 cm |
| February | 2°C | −3°C | −0.3°C | 136 mm | 17 cm |
| March | 3°C | −3°C | 0.0°C | 111 mm | 8 cm |
| April | 7°C | 0°C | 3.4°C | 137 mm | 2 cm |
| May | 11°C | 3°C | 7.0°C | 119 mm | 0 cm |
| June | 14°C | 6°C | 10.2°C | 93 mm | 0 cm |
| July | 16°C | 9°C | 12.7°C | 93 mm | 0 cm |
| August | 17°C | 9°C | 13.1°C | 123 mm | 0 cm |
| September | 13°C | 6°C | 9.9°C | 168 mm | 0 cm |
| October | 8°C | 2°C | 4.9°C | 201 mm | 0 cm |
| November | 4°C | −1°C | 1.3°C | 152 mm | 10 cm |
| December | 2°C | −4°C | −1.1°C | 178 mm | 25 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00504812; 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 Kitoi Bay?
No month's normal high reaches 65°F in Kitoi Bay: the warmest is August at 62°F.
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 USC00504812.
When is the last frost at Kitoi Bay?
In Kitoi Bay, the last spring frost (32°F) comes after May 11 in half of years and after May 28 in one year in ten; the first autumn frost comes before October 6 in half of years and before September 25 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 111 year in 10 after May 28; 9 in 10 after April 25
- First autumn frost, half of years before
- October 61 year in 10 before September 25; 9 in 10 before October 24
NOAA puts the median frost-free season at 149 days, and the season without a hard freeze (28°F) at 181 days.
A hard freeze (28°F) comes after April 23 in half of springs and before October 20 in half of autumns.
Frost dates for every NOAA station in Alaska · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00504812. 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 Kitoi Bay?
In a normal year in Kitoi Bay, a 90°F day is rare, 149 nights fall to 32°F or colder and 196 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
- 149a normal year
- Days that stay below freezing
- 33high of 32°F or less
- Days with 0.01 inch of precipitation
- 196a normal year
- Days with 1 inch of snow or more
- 11a normal year
The highest temperature in this station's record (since 1954) is 83°F, on August 14, 1971; the lowest is −20°F, on January 28, 1989.
The wettest calendar year on that record is 1981, with 79.87 in; the snowiest season is 1970–71, with 168.3 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00504812; records: ACIS (NOAA Regional Climate Centers), station USC00504812. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Kitoi Bay?
Over a year 61% of the sunlight that would reach the ground under clear skies gets through the clouds at Kitoi Bay, 2.5 kWh per square metre a day. August is the sunniest month (64%) and December the cloudiest (49%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 50% | 0.4 |
| February | 52% | 0.9 |
| March | 61% | 2.3 |
| April | 61% | 3.5 |
| May | 62% | 4.6 |
| June | 62% | 5.1 |
| July | 63% | 4.7 |
| August | 64% | 3.9 |
| September | 61% | 2.5 |
| October | 58% | 1.3 |
| November | 54% | 0.5 |
| December | 49% | 0.2 |
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 Kitoi Bay record?
A normal year at Kitoi Bay brings 8,742 heating degree days, 63% more than the median U.S. place (5,373), and 2 cooling degree days, 100% 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 440 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,088 | 0 |
| February | 939 | 0 |
| March | 1,021 | 0 |
| April | 804 | 0 |
| May | 632 | 0 |
| June | 441 | 0 |
| July | 314 | 1 |
| August | 294 | 1 |
| September | 458 | 0 |
| October | 746 | 0 |
| November | 921 | 0 |
| December | 1,083 | 0 |
| Year (annual) | 8,742 | 2 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00504812. 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 Kitoi Bay been warmer than normal?
2025 averaged 42.9°F, 1.9°F above the 1991-2020 normal of 41.0°F. 1 of the 2 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 40.0°F | −1.0°F | 51.58 | 54.2 |
| 2025 | 42.9°F | +1.9°F | 54.89 | 15.2 |
Over 40 complete years from 1955 to 2025, the station's annual mean temperature rose at a fitted 5.6°F per century (+0.31°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00504812; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Kitoi Bay's climate compare?
Kitoi Bay is warmer than 65 of the 85 places with their own NOAA record in Alaska, and wetter than 54. Across the 7,247 U.S. stations with normals, its annual mean of 41.0°F is warmer than 7%.
In the Köppen classification computed from these normals, Kitoi Bay 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 Kitoi Bay's climate
What is the coldest month at Kitoi Bay?
January, with a normal high of 34°F and a normal low of 26°F. The warmest is August (62°F by day, 49°F at night).
Does it snow at Kitoi Bay?
Yes: 37 inches in a normal year, falling on 19 days with 0.1 inch or more, the most in January (12.4 inches).
What is the rainiest month at Kitoi Bay?
October, with 7.93 in of precipitation in a normal year; the driest is June with 3.68 in.
How late can frost come at Kitoi Bay?
In half of years the last 32°F night comes after May 11; in one year in ten it comes after May 28. Waiting until May 28 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Alaska climateThe statewide normals and every place in the state
- Ouzinkie, AK19 miles from this station, 40.5°F a year
- Monashka Creek Dam, AK24 miles from this station, 38.1°F a year
- Kodiak, AK30 miles from this station, 42.2°F a year
- Seldovia, AK89 miles from this station, 39.5°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made