Alaska · county records since 1925, through September 2026.
Weather › Alaska › Northwest Arctic Borough
The last 12 months brought 20.7 inches of rain and snow to Northwest Arctic Borough, 134% of the usual 15.5. Northwest Arctic Borough has warmed 2nd-most of Alaska's 30 counties since 1970, about 1.0° per decade.
That is the 1991 to 2020 average for these dates in Northwest Arctic Borough. The Weather Service forecast fills in below.
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Each bar is a month's average temperature against the usual for that month (1991 to 2020). Ranks compare the same month in every year since 1925.
Rain and melted snow against the usual for each month. The drought reading is NOAA's Palmer index for the county.
| Month | Usual high / low | Usual rain | Warmest | Coldest |
|---|---|---|---|---|
| January | 2° / -11° | 0.8 in | 12.5° 2016 | -26.7° 1934 |
| February | 7° / -8° | 0.9 in | 15.0° 1989 | -28.4° 1990 |
| March | 11° / -6° | 0.7 in | 21.7° 2019 | -15.2° 1972 |
| April | 27° / 10° | 0.6 in | 27.7° 2016 | -0.3° 1985 |
| May | 45° / 28° | 0.7 in | 43.3° 2015 | 23.8° 2001 |
| June | 61° / 42° | 1.2 in | 57.5° 2004 | 42.7° 1949 |
| July | 64° / 47° | 2.5 in | 59.4° 2007 | 48.1° 1959 |
| August | 57° / 42° | 2.9 in | 55.8° 1977 | 42.9° 1969 |
| September | 46° / 32° | 1.9 in | 44.6° 1974 | 27.7° 1992 |
| October | 28° / 18° | 1.4 in | 31.6° 2013 | 9.1° 1970 |
| November | 13° / 0° | 1.0 in | 17.3° 2002 | -10.9° 1956 |
| December | 6° / -7° | 0.9 in | 16.0° 2017 | -20.8° 1954 |
Warmest and coldest are the month's whole-month average temperature, with the year it happened.