Kenai weather in May: Kenai, Alaska: normal highs, lows, rain and records for May

Kenai in May has a normal high of 55°F and a normal low of 36°F, a daily mean of 45°F, rising from 51°F on the 1st to 58°F by the 31st. Measurable precipitation falls on 8 days in a normal May, 0.79 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 13°C and low of 2°C, 20 mm of precipitation in May.

  • NOAA stationKenai Municipal Airport
  • Station IDUSW00026523
  • Location60.58°N 151.24°W
  • Elevation91 ft (28 m)
  • Population7,770
  1. Jan 22° 7°
  2. Feb 28° 12°
  3. Mar 33° 14°
  4. Apr 44° 28°
  5. May 55° 36°
  6. Jun 60° 44°
  7. Jul 63° 49°
  8. Aug 63° 47°
  9. Sep 56° 40°
  10. Oct 43° 29°
  11. Nov 30° 16°
  12. Dec 25° 11°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Kenai in May?

The normal high is 55°F and the normal low 36°F, for a daily mean of 45.4°F. May is 9.4°F warmer than April and 6.7°F cooler than June. May is the 5th warmest month of the year in Kenai and the 10th wettest. Across the month the normal high rises 7°F, from 51°F on May 1 to 58°F on May 31. From one year to the next May's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Mays in three average between 44°F and 47°F.

Kenai in May, day by day: normal high and low

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 30%).

Normal high and low on five days of May, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
May 151°F34°F23%7%
May 853°F35°F24%8%
May 1554°F36°F26%8%
May 2256°F37°F28%10%
May 3158°F40°F30%11%
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
Kenai: NOAA 1991-2020 daily normals for each day of May
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
May 151°F34°F23%7%16 h
May 251°F34°F23%7%16 h 10 min
May 352°F34°F23%7%16 h 10 min
May 452°F34°F23%7%16 h 20 min
May 552°F34°F24%7%16 h 20 min
May 652°F35°F24%7%16 h 30 min
May 753°F35°F24%7%16 h 30 min
May 853°F35°F24%8%16 h 40 min
May 953°F35°F25%8%16 h 40 min
May 1053°F35°F25%8%16 h 50 min
May 1154°F35°F25%8%16 h 50 min
May 1254°F36°F25%8%17 h
May 1354°F36°F26%8%17 h
May 1454°F36°F26%8%17 h 10 min
May 1554°F36°F26%8%17 h 10 min
May 1655°F36°F26%9%17 h 20 min
May 1755°F36°F27%9%17 h 20 min
May 1855°F37°F27%9%17 h 30 min
May 1955°F37°F27%9%17 h 30 min
May 2055°F37°F27%9%17 h 40 min
May 2156°F37°F28%9%17 h 40 min
May 2256°F37°F28%10%17 h 50 min
May 2356°F38°F28%10%17 h 50 min
May 2456°F38°F29%10%17 h 50 min
May 2556°F38°F29%10%18 h
May 2657°F38°F29%10%18 h
May 2757°F39°F29%10%18 h 10 min
May 2857°F39°F30%11%18 h 10 min
May 2957°F39°F30%11%18 h 20 min
May 3057°F39°F30%11%18 h 20 min
May 3158°F40°F30%11%18 h 20 min
Normal high
55°FMay average
Normal low
36°FMay average
Precipitation
0.79 inmonth total
Days with precipitation
80.01 inch or more
Nights at 32°F or colder
8
Daylight
16 h to 18 h 20 minMay 1 to May 31
Days at 70°F or more
1
Sunshine
68%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00026523; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Kenai in May?

On a given May day the chance of 0.01 inch or more is 26% on average, highest around May 31 (30%). In all, 0.79 in falls on 8 days of a normal May.

In a normal May in Kenai, 8 nights fall to freezing.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00026523.

How humid and windy is Kenai in May?

At 3 p.m. the normal temperature is 57°F with 53% relative humidity and a dew point of 40°F; at 6 a.m. it is 45°F with 82% humidity. The wind averages 8.7 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.

A normal May day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.45°F40°F82%5.2 mph48%
9 a.m.52°F40°F65%8.7 mph49%
noon55°F40°F56%10.5 mph–
3 p.m.57°F40°F53%11.6 mph48%
6 p.m.55°F40°F56%11.5 mph53%
9 p.m.51°F40°F68%9.2 mph52%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00026523. 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 Kenai?

The warmest May temperature on this station's record (since 1899) is 82°F, on May 24, 1969; the coldest is 12°F, on May 4, 1945. The wettest May brought 2.77 in (1966); the snowiest, 5.0 inches (1966).

The May mean against the 1991-2020 normal of 45.4°F: 2021 44.9°F (−0.5), 2022 46.3°F (+0.9), 2023 44.5°F (−0.9), 2024 43.7°F (−1.7), 2025 45.1°F (−0.3), 2026 43.1°F (−2.3). 1 of 6 ran warmer than normal.

Kenai: May in recent years against the 1991-2020 normal
MayMeanAgainst normalPrecip.
202144.9°F−0.5°F0.50 in
202246.3°F+0.9°F0.12 in
202344.5°F−0.9°F0.54 in
202443.7°F−1.7°F0.40 in
202545.1°F−0.3°F0.66 in
202643.1°F−2.3°F0.81 in

Source: records: ACIS, station USW00026523; recent months: ACIS, station USW00026523. Records and recent months use complete months only.

How does May in Kenai 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; Kenai's is 55°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places