Barter Island, AK Climate

Summary Graph

The summary climate graph for Barter Island, AK shows a selection of temperature, rainfall and snow minimum, mean and maximum measures over the course of a year. Click on each of the measures in the key to toggle them on and off.

Graph of average and extreme temperature ranges by day for Barter Island, AK.

Temperature

The warmest month in Barter Island Lrrs, Barter Island, Alaska is July with an average high temperature of 46.3°F. The hottest day on record was August 6 1999 when the temperature hit 90.0°F. During February the overnight temperature drops to an average of -23.0°F with the lowest temperature of -59.1°F being recorded on February 12 1950.

Warmest Days

Warmest Months

Coldest Days

Coldest Months

The warmest days on record are:

6 Aug 199990°F
29 Jul 197478.1°F
11 Jul 195371.1°F
30 Jul 197671.1°F
28 Jul 198571.1°F

The warmest months on average were:

July 198960°F
August 195753.6°F
July 201253°F
August 201252.5°F
July 199052°F

The coldest days on record are:

12 Feb 1950-59.1°F
17 Feb 1987-58°F
13 Jan 1975-54°F
18 Feb 1985-53°F
31 Jan 1984-52.1°F

The coldest months on average were:

February 1984-39.7°F
February 1950-38.7°F
December 1974-36.2°F
February 1965-35.1°F
January 1975-34.8°F

Rain

The wettest month by average rainfall in Barter Island, AK is May with an average of 0.6 inches of rain falling on 3 to 4 days.Although in August it typically rains on more days with 0.4 inches falling in 14 to 15 days. The driest month by average rainfall in Barter Island, AK is February with an average of 0.0 inches of rain falling on 0 to 1 days. Although in March it typically rains on less days with 0.1 inches falling in 0 to 1 days

Wettest Days

The wettest days on record are:

13 July 19750.7 inches
27 July 19730.6 inches
30 July 19840.5 inches
30 July 20110.5 inches
29 July 19870.4 inches

Wettest Months

The wettest months on record are:

May 197325.7 inches
October 19853.9 inches
July 19753.4 inches
November 19753.2 inches
October 19783.2 inches

Driest Months

The driest months on record are:

October 19630 inches
August 19890 inches
November 19890 inches
December 19470 inches
December 20120 inches
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