July weather forecast
Ketchikan, AK

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Beautiful and colorful houses along the waterfront boardwalk on Creek Street in Ketchikan, Alaska
Beautiful and colorful houses along the waterfront boardwalk on Creek Street in Ketchikan, Alaska

Weather in July

July is relatively the warmest month in Ketchikan, bringing with it a distinct summer vibe. This month witnesses the highest average temperatures in the year, hovering from 51.4°F (10.8°C) to 60.8°F (16°C). Although rainfall in July slightly increases to 4.33" (110mm), there is a distinct lack of snow. The long, sunny days having 16.8 hours of daylight contribute to a cheerful ambiance in the city. With its agreeable weather, July is a promising time to visit the fascinating city in Alaska.

Temperature

During July and August, Ketchikan experiences its warmest period, with an average high-temperature of 60.8°F (16°C).

Humidity

In July, the average relative humidity is 85%.

Rainfall

In Ketchikan, Alaska, in July, it is raining for 17.7 days, with typically 4.33" (110mm) of accumulated precipitation. Throughout the year, in Ketchikan, there are 221.8 rainfall days, and 80" (2032mm) of precipitation is accumulated.

Snowfall

In Ketchikan, snow does not fall in June through October.

Ocean temperature

In July, the average ocean temperature is 55°F (12.8°C).
Note: Diving into 55°F (12.8°C) is practical below 50°F (10°C), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 55.4°F (13°C) feels ice-cold.

Daylight

In July, the average length of the day is 16h and 46min.
On the first day of the month, sunrise is at 4:10 am and sunset at 9:30 pm. On the last day of July, in Ketchikan, Alaska, sunrise is at 4:53 am and sunset at 8:52 pm AKDT.

Sunshine

In Ketchikan, the average sunshine in July is 6.8h.

UV index

July and August, with an average maximum UV index of 4, are months with the highest UV index in Ketchikan, Alaska. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 4 during July, leads to the following recommendations:
Guard yourself - Avoiding sunburn is suggested. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What time of the year is the hottest in Ketchikan?

July and August mark Ketchikan's peak of temperatures, averaging a high-temperature of 60.8°F (16°C).

What is the temperature in July in Ketchikan?

The high-temperature, in July, in Ketchikan, is 60.8°F (16°C), while the low-temperature averages to 51.4°F (10.8°C).

What is the average humidity in July in Ketchikan?

In Ketchikan, Alaska, the average relative humidity in July is 85%.

How much does it rain in Ketchikan in July?

In Ketchikan, Alaska, in July, during 17.7 rainfall days, 4.33" (110mm) of precipitation is typically accumulated.

When it does not snow in Ketchikan?

June through October are months without snowfall in Ketchikan.

What is the ocean temperature in July in Ketchikan?

In July, the average ocean temperature in Ketchikan is 55°F (12.8°C). Swimming in 55°F (12.8°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Ketchikan have in July?

The average day length in July is 16h and 46min.

When is the sunrise / sunset in July in Ketchikan?

On the first day of July in Ketchikan, sunrise is at 4:10 am and sunset at 9:30 pm. On the last day of the month, sunrise is at 4:53 am and sunset at 8:52 pm AKDT.

How many hours of sunshine does Ketchikan have in July?

The average sunshine duration in July in Ketchikan, Alaska, is 6.8h.

What is the month with the highest UV index in Ketchikan?

The months with the highest UV index in Ketchikan, Alaska, are July and August, with an average maximum UV index of 4.

How high is the UV index in July in Ketchikan?

In Ketchikan, the average daily maximum UV index in July is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Ketchikan, AK

Average temperature in July - Ketchikan, AK
  • Average high temperature in July: 60.8°F

The warmest months (with the highest average high temperature) are July and August (60.8°F).
The month with the lowest average high temperature is December (35.8°F).

  • Average low temperature in July: 51.4°F

The month with the highest average low temperature is August (52°F).
The coldest month (with the lowest average low temperature) is February (30.6°F).

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Average pressure in July
Ketchikan, AK

Average pressure in July - Ketchikan, AK
  • Average pressure in July: 30.06"Hg

The month with the highest atmospheric pressure is July (30.06"Hg).
The month with the lowest atmospheric pressure is November (29.8"Hg).

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Average wind speed in July
Ketchikan, AK

Average wind speed in July - Ketchikan, AK
  • Average wind speed in July: 5.3mph

The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in July
Ketchikan, AK

Average humidity in July - Ketchikan, AK
  • Average humidity in July: 85%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is May (82%).

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Average rainfall in July
Ketchikan, AK

Average rainfall in July - Ketchikan, AK
  • Average rainfall in July: 4.33"

The wettest month (with the highest rainfall) is January (9.69").
The driest month (with the least rainfall) is May (3.46").

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Average rainfall days in July
Ketchikan, AK

Average rainfall days in July - Ketchikan, AK
  • Average rainfall days in July: 17.7 days

The month with the highest number of rainy days is November (21.4 days).
The month with the least rainy days is February (14.2 days).

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Average snowfall in July
Ketchikan, AK

Average snowfall in July - Ketchikan, AK
  • Average snowfall in July: 0"

The month with the highest snowfall is February (13.11").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in July
Ketchikan, AK

Average snowfall days in July - Ketchikan, AK
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is March (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in July
Ketchikan, AK

Average sea temperature in July - Ketchikan, AK
  • Average sea temperature in July: 55°F

The best month for swimming (with the highest average sea temperature) is August (55.9°F).
The coldest month (with the lowest average sea temperature) is March (42.5°F).

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Average daylight in July /
Average sunshine in July
Ketchikan, AK

Average daylight in July / Average sunshine in July - Ketchikan, AK
  • Average daylight in July: 16h and 5min

The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).

  • Average sunshine in July: 6h and 5min

The month with the most sunshine is May (Average sunshine: 7h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in July
Ketchikan, AK

Average sunshine days in July - Ketchikan, AK
  • Average sunshine days in July: 11.9 days

The month with the most sunshine days is July (11.9 days).
The month with the least sunshine days is November (5.6 days).

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Average UV index in July
Ketchikan, AK

Average UV index in July - Ketchikan, AK
  • Average UV index in July: 4

The months with the highest UV index are July and August (UV index 4).
The months with the lowest UV index are January, November and December (UV index 1).

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Average cloud cover in July
Ketchikan, AK

Average cloud cover in July - Ketchikan, AK
  • Average cloud cover in July: 58

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is May (Cloud cover 55).

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Average visibility in July
Ketchikan, AK

Average visibility in July - Ketchikan, AK
  • Average visibility in July: 5mi

The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).

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Ketchikan, Alaska, USA

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