Ketchikan
Alaska, USA
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Ketchikan, AK

Beautiful and colorful houses along the iconic waterfront boardwalk on Creek Street in Ketchikan, Alaska
Beautiful and colorful houses along the iconic waterfront boardwalk on Creek Street in Ketchikan, Alaska
July is an enjoyable summer month in Ketchikan, Alaska, with average temperature fluctuating between 51.4°F (10.8°C) and 64°F (17.8°C).

Temperature

In July, the average high-temperature is almost the same as in June - an enjoyable 64°F (17.8°C). The average low-temperature, in Ketchikan, is 51.4°F (10.8°C).

Rainfall

In July, in Ketchikan, the rain falls for 15 days. Throughout July, 7.4" (188.7mm) of precipitation is accumulated. Throughout the year, in Ketchikan, there are 229 rainfall days, and 153.2" (3892.3mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Ketchikan.

Ocean temperature

In Ketchikan, in July, the average water temperature is 55°F (12.8°C).
Note: 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.

Daylight

The average length of the day in Ketchikan is 16.8h.

Sunshine

In Ketchikan, the average sunshine in July is 5h.

UV index

The month with the highest UV index is July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In July, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in July in Ketchikan?

In July, in Ketchikan, Alaska, the average high-temperature is 64°F (17.8°C), and the average low-temperature is 51.4°F (10.8°C).

How many days does it rain in July in Ketchikan?

In Ketchikan, during July, the rain falls for 15 days and regularly aggregates up to 7.4" (188.7mm) of precipitation.

When it does not snow in Ketchikan?

In Ketchikan snow does not fall in June through September.

How cold is the water in July in Ketchikan?

In Ketchikan, the average seawater temperature in July is 55°F (12.8°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the average length of the day in July in Ketchikan?

In July, the average length of the day in Ketchikan is 16.8h.

How many hours of sunshine does Ketchikan have in July?

In Ketchikan, the average sunshine in July is 5h.

When is the highest UV index in Ketchikan?

The month with the highest UV index in Ketchikan is July, with an average maximum UV index of 6.

What is the UV index intensity in July in Ketchikan?

The average daily maximum UV index in July in Ketchikan, Alaska, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV rays.
Average temperature in July - Ketchikan, AK
  • Average high temperature in July: 64°F

The warmest month (with the highest average high temperature) is August (64.5°F).
The month with the lowest average high temperature is January (38.4°F).

  • Average low temperature in July: 51.4°F

The month with the highest average low temperature is August (52.1°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average rainfall in July - Ketchikan, AK
  • Average rainfall in July: 7.4"

The wettest month (with the highest rainfall) is October (22.2").
Driest months (with the lowest rainfall) are June and July (7.4").

Average rainfall days in July - Ketchikan, AK
  • Average rainfall days in July: 15 days

The month with the highest number of rainy days is October (24 days).
The month with the lowest number of rainy days is July (15 days).

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

The month with the highest snowfall is January (13.3").
Months with the lowest snowfall are June, July, August and September (0").

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).

Average daylight in July / Average sunshine in July - Ketchikan, AK
  • Average daylight in July: 16.8h

The month with the longest days is June (Average daylight: 17.4h).
The month with shortest days is December (Average daylight: 7.2h).

  • Average sunshine in July: 5h

The month with most sunshine is May (Average sunshine: 6h).
The month with least sunshine is December (Average sunshine: 1h).

Average UV index in July - Ketchikan, AK
  • Average UV index in July: 6

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January and December (UV index 0).