Cold Bay weather in May: Cold Bay, Alaska: normal highs, lows, rain and records for May
Cold Bay in May has a normal high of 47°F and a normal low of 36°F, a daily mean of 41°F, rising from 44°F on the 1st to 49°F by the 31st. Measurable precipitation falls on 18 days in a normal May, 2.64 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 8°C and low of 2°C, 67 mm of precipitation and 3 cm of snow in May.
- NOAA stationCold Bay Airport
- Station IDUSW00025624
- Location55.22°N 162.73°W
- Elevation78 ft (24 m)
- Population60
- Jan 33° 24°
- Feb 35° 26°
- Mar 35° 24°
- Apr 40° 30°
- May 47° 36°
- Jun 52° 42°
- Jul 56° 47°
- Aug 57° 48°
- Sep 53° 43°
- Oct 47° 36°
- Nov 40° 31°
- Dec 36° 26°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Cold Bay in May?
The normal high is 47°F and the normal low 36°F, for a daily mean of 41.0°F. May is 6.0°F warmer than April and 6.1°F cooler than June. May is the 6th warmest month of the year in Cold Bay and the 11th wettest. Across the month the normal high rises 5°F, from 44°F on May 1 to 49°F on May 31. From one year to the next May's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Mays in three average between 39°F and 43°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 59%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 44°F | 33°F | 59% | 22% |
| May 8 | 45°F | 34°F | 59% | 22% |
| May 15 | 46°F | 35°F | 58% | 23% |
| May 22 | 48°F | 36°F | 58% | 24% |
| May 31 | 49°F | 38°F | 58% | 24% |
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| May 1 | 44°F | 33°F | 59% | 22% | 15 h 10 min |
| May 2 | 44°F | 33°F | 59% | 22% | 15 h 20 min |
| May 3 | 44°F | 34°F | 59% | 22% | 15 h 20 min |
| May 4 | 44°F | 34°F | 59% | 22% | 15 h 20 min |
| May 5 | 45°F | 34°F | 59% | 22% | 15 h 30 min |
| May 6 | 45°F | 34°F | 59% | 22% | 15 h 30 min |
| May 7 | 45°F | 34°F | 59% | 22% | 15 h 40 min |
| May 8 | 45°F | 34°F | 59% | 22% | 15 h 40 min |
| May 9 | 45°F | 34°F | 58% | 22% | 15 h 40 min |
| May 10 | 46°F | 35°F | 58% | 23% | 15 h 50 min |
| May 11 | 46°F | 35°F | 58% | 23% | 15 h 50 min |
| May 12 | 46°F | 35°F | 58% | 23% | 16 h |
| May 13 | 46°F | 35°F | 58% | 23% | 16 h |
| May 14 | 46°F | 35°F | 58% | 23% | 16 h |
| May 15 | 46°F | 35°F | 58% | 23% | 16 h 10 min |
| May 16 | 47°F | 35°F | 58% | 23% | 16 h 10 min |
| May 17 | 47°F | 36°F | 58% | 23% | 16 h 10 min |
| May 18 | 47°F | 36°F | 58% | 23% | 16 h 20 min |
| May 19 | 47°F | 36°F | 58% | 23% | 16 h 20 min |
| May 20 | 47°F | 36°F | 58% | 23% | 16 h 20 min |
| May 21 | 47°F | 36°F | 58% | 24% | 16 h 30 min |
| May 22 | 48°F | 36°F | 58% | 24% | 16 h 30 min |
| May 23 | 48°F | 37°F | 58% | 24% | 16 h 30 min |
| May 24 | 48°F | 37°F | 58% | 24% | 16 h 40 min |
| May 25 | 48°F | 37°F | 58% | 24% | 16 h 40 min |
| May 26 | 48°F | 37°F | 58% | 24% | 16 h 40 min |
| May 27 | 48°F | 37°F | 58% | 24% | 16 h 50 min |
| May 28 | 49°F | 38°F | 58% | 24% | 16 h 50 min |
| May 29 | 49°F | 38°F | 58% | 24% | 16 h 50 min |
| May 30 | 49°F | 38°F | 58% | 24% | 16 h 50 min |
| May 31 | 49°F | 38°F | 58% | 24% | 17 h |
- Normal high
- 47°FMay average
- Normal low
- 36°FMay average
- Precipitation
- 2.64 inmonth total
- Days with precipitation
- 180.01 inch or more
- Snowfall
- 1.2 inmonth total
- Nights at 32°F or colder
- 8
- Daylight
- 15 h 10 min to 17 hMay 1 to May 31
- Sunshine
- 56%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00025624; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Cold Bay in May?
On a given May day the chance of 0.01 inch or more is 58% on average, highest around May 1 (59%). In all, 2.64 in falls on 18 days of a normal May.
In a normal May in Cold Bay, 8 nights fall to freezing and snowfall averages 1.2 inches.
Snow falls on 2 days in a normal May.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00025624.
How humid and windy is Cold Bay in May?
At 3 p.m. the normal temperature is 48°F with 73% relative humidity and a dew point of 40°F; at 6 a.m. it is 41°F with 91% humidity. The wind averages 15.1 mph, most often from the south-southeast in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 41°F | 38°F | 91% | 13.1 mph | – |
| 9 a.m. | 44°F | 39°F | 85% | 14.8 mph | 3% |
| noon | 46°F | 40°F | 77% | 16.7 mph | – |
| 3 p.m. | 48°F | 40°F | 73% | 17.3 mph | 6% |
| 6 p.m. | 47°F | 40°F | 75% | 16.9 mph | – |
| 9 p.m. | 44°F | 39°F | 82% | 15.1 mph | 10% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00025624. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for May in Cold Bay?
The warmest May temperature on Cold Bay's official record (since 1942) is 68°F, on May 28, 2006; the coldest is 18°F, on May 22, 1973. The wettest May brought 6.84 in (2002); the snowiest, 9.3 inches (1971).
The May mean against the 1991-2020 normal of 41.0°F: 2021 42.9°F (+1.9), 2022 40.8°F (−0.2), 2023 39.5°F (−1.5), 2024 39.5°F (−1.5), 2025 40.8°F (−0.2), 2026 38.8°F (−2.2). 1 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 42.9°F | +1.9°F | 2.64 in |
| 2022 | 40.8°F | −0.2°F | 0.84 in |
| 2023 | 39.5°F | −1.5°F | 4.16 in |
| 2024 | 39.5°F | −1.5°F | 2.39 in |
| 2025 | 40.8°F | −0.2°F | 4.08 in |
| 2026 | 38.8°F | −2.2°F | 2.82 in |
Source: records: ACIS, NWS threaded record CDBthr; recent months: ACIS, station USW00025624. Records and recent months use complete months only.
How does May in Cold Bay compare across Alaska?
Across the 85 places PlainClimate covers in Alaska, May normal highs run from 27°F in Utqiaġvik to 65°F in Two Rivers; Cold Bay's is 47°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.