Contents
- 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
Weather in July
Temperature
July and August represent the warmest period, with an average high-temperature of 60.8°F (16°C).Humidity
In Ketchikan, the average relative humidity in July is 85%.Rainfall
In July, the rain falls for 17.7 days. Throughout July, 4.33" (110mm) of precipitation is accumulated. Throughout the year, there are 221.8 rainfall days, and 80" (2032mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall.Ocean temperature
In Ketchikan, the average seawater temperature in July is 55°F (12.8°C).Note: Navigating the 55°F (12.8°C) at 55.4°F (13°C) is no joy, and temperatures less than 50°F (10°C) can threaten breathing and cause a chilling shock, gauging personal stamina.
Daylight
In July, the average length of the day is 16h and 46min.On the first day of July, 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.
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 estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The UV index of 4 during July leads to these advisories:
Undertake precautions - Obligation exists to protect against skin and eye damage. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the hottest?
What is the temperature in July?
What is the average humidity in July?
How many days does it rain in July?
When it does not snow?
What is the water temperature in July?
What is the average length of the day in July?
When are sunrise and sunset in July?
How many hours of sunshine does Ketchikan have in July?
What is the month with the highest UV index?
How high is the UV index in July?
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).
Ketchikan, Alaska, USA
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