Is this weather normal in North Slope Borough?

Alaska · county records since 1925, through September 2026.

Weather › Alaska › North Slope Borough

2.3 inches fell in September, the 4th-most for a September in North Slope Borough in 102 years. The last 12 months brought 15.3 inches of rain and snow there, 132% of the usual 11.6.

This week

Usual for Oct 28 to Nov 3: highs near 15°, lows near 3°

That is the 1991 to 2020 average for these dates in North Slope Borough. The Weather Service forecast fills in below.

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usual high for the datewarmercooler

The last 12 months

Oct: +4.0°OctNov: +7.3°NovDec: -1.9°DecJan 2026: -1.7°JanFeb: -5.1°FebMar: -1.6°MarApr: -0.6°AprMay: -0.4°MayJun: -1.8°JunJul: -2.0°JulAug: +3.1°AugSep: -0.5°Sepwarmercooler

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.

Every year since 1925

19252025

Rain and drought

Oct: +0.8 inOctNov: +0.2 inNovDec: +0.6 inDecJan 2026: +0.4 inJanFeb: +0.4 inFebMar: -0.1 inMarApr: +0.1 inAprMay: +0.1 inMayJun: +0.3 inJunJul: -0.4 inJulAug: +0.5 inAugSep: +0.9 inSepwetterdrier

Rain and melted snow against the usual for each month. The drought reading is NOAA's Palmer index for the county.

Month by month in North Slope Borough

MonthUsual high / lowUsual rainWarmestColdest
January-4° / -18°0.5 in4.7° 1981-29.4° 1934
February-3° / -17°0.5 in10.9° 1989-31.7° 1984
March1° / -15°0.4 in10.8° 2019-22.6° 1959
April17° / 0°0.4 in17.9° 1998-6.8° 1985
May35° / 22°0.6 in34.4° 201517.4° 2001
June53° / 38°1.2 in51.5° 200437.8° 1949
July59° / 43°2.2 in56.4° 202344.9° 1959
August51° / 38°2.2 in51.0° 200437.4° 1969
September39° / 28°1.3 in38.8° 201923.6° 1992
October23° / 12°1.0 in23.9° 19380.6° 1970
November8° / -5°0.8 in11.0° 2023-15.5° 1945
December-2° / -14°0.5 in6.2° 2017-25.6° 1974

Warmest and coldest are the month's whole-month average temperature, with the year it happened.

Towns in North Slope Borough

Nearby counties