July weather - Summer 2024

Weather in July
Frequently asked questions
Average temperature in July
Average pressure in July
Average wind speed in July
Average humidity in July
Average rainfall in July
Average rainfall days in July
Average snowfall in July
Average snowfall days in July
Average sea temperature in July
Average daylight in July
Average sunshine in July
Average sunshine days in July
Average UV index in July
Average cloud cover in July
Average visibility in July

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

July and August are known as Ketchikan's warmest months, with an average high-temperature of 60.8°F (16°C).

Humidity

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

Rainfall

In Ketchikan, in July, it is raining for 17.7 days, with typically 4.33" (110mm) of accumulated precipitation. In Ketchikan, during the entire year, the rain falls for 221.8 days and collects up to 80" (2032mm) of precipitation.

Snowfall

June through October are months without snowfall in Ketchikan.

Ocean temperature

In Ketchikan, the average seawater temperature in July is 55°F (12.8°C).
Note: Unprotected swimming in 55°F (12.8°C) is dangerous due to potential cold shock. Especially when temperatures go below 50°F (10°C), leading to hyperventilation.

Daylight

The average length of the day in July 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, 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

The months with the highest UV index are July and August, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 4 during July translates into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Updated: Jun 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year in Ketchikan?

Ketchikan's peak temperatures tend to occur in July and August, with an average high-temperature of 60.8°F (16°C).

What are July temperatures?

The high-temperature during July is 60.8°F (16°C) and the low-temperature is 51.4°F (10.8°C).

What is the average humidity in July?

In July, the average relative humidity is 85%.

How much does it rain in July?

In July, the rain falls for 17.7 days. Throughout July, 4.33" (110mm) of precipitation is accumulated.

When it does not snow?

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

What is the water temperature in July in Ketchikan?

In July, the average ocean temperature 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.

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?

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 long on average sun shines in July?

In July, the average sunshine duration is 6.8h.

When is the highest UV index?

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

How high is the UV index in July?

The average daily maximum UV index in July is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J July A S O N D

Jun

July

Aug

Average high temperature

56.7°F 13.7°C

60.8°F 16°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6mph 9.7km/h

5.7mph 9.2km/h

5.8mph 9.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

9.2

11.9

11.4

Average UV index

Average cloud cover

Average visibility

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).

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).

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).

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%).

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").

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).

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").

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).

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: 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).

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).

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).

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).

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).

July weather forecast
Ketchikan, AK

Contents