The climate of Ketchikan

Climate Table of Ketchikan

The climate table of Ketchikan shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Temp. max (°C)	6	5	7	10	15	17	19	19	16	12	8	5
Temp. min (°C)	2	0	1	4	8	11	13	13	11	6	4	1
Precipitation
Precipitation (mm)	472	308	292	320	173	213	187	306	398	430	645	371
Snow (cm)	18	24	21	4,5	0,1	0	0	0	0	0	9,6	21
UV Index	1	2	4	4	6	6	5	5	4	2	1	1

Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.

• Average yearly temperature: 12°C
• Highest temperature: 19°C in July and August
• Lowest temperature: 5°C in February and December
• Precipitation*: 4115 mm per year, averaging 343 mm per month
• Snowfall: 98 cm per year
• Driest months: 173 mm in May, 187 mm in July and 213 mm in June
• Wettest months: 645 mm in November, 472 mm in January and 430 mm in October

*Precipitation is measured as a combination of rain, snow, and hail

Average Temperature per Month in Ketchikan

This graph shows the average maximum temperatures per month in Ketchikan, Alaska. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.

Average Precipitation per Month in Ketchikan

This graph shows how much rainfall Ketchikan, Alaska, gets on average per month. Rainfall is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of rainfall is measured in millimeters, and the average is calculated based on the recorded rainfall per month from past years.

Average Snowfall per Month in Ketchikan

This graph shows how much snow Ketchikan, Alaska, gets on average per month. The amount of snowfall is measured in centimeters and the average is calculated based on the recorded snowfall per month from past years.

Average UV Index per Month in Ketchikan

This graph shows the average UV index per month in Ketchikan, Alaska. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

Yearly Temperature in Ketchikan

This graph shows the average yearly temperature in Ketchikan, Alaska. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.

Total Yearly Precipitation in Ketchikan

This chart shows the total yearly precipitation in Ketchikan, Alaska, over the past few years. The total yearly precipitation, measured in millimeters, is the sum of all the rain that fell in the twelve months of that year.

Total Yearly Snowfall in Ketchikan

This chart shows the total yearly snowfall in Ketchikan, Alaska, over the past few years. The total yearly snowfall, measured in centimeters, is the sum of all the snow that fell in the twelve months of that year.