July weather forecast
Sitka, AK

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The glacial carved Three Sisters Mountains in Sitka, Alaska
The glacial carved Three Sisters Mountains in Sitka, Alaska

Weather in July

July marks the height of summer in Sitka, boasting the warmest temperatures of the year. However, the summer heat is roughened by 4.33" (110mm) of rainfall. Humidity reaches its peak adding a damp characteristic to the overall weather. Wind speeds decrease to its lowest, ensuring calm and quiet days. As July unfolds, the city revels in the rhythm of a typical Alaskan summer, balancing rain with warmth.

Temperature

As Sitka steps into July, the average high-temperature holds at a mild 57.7°F (14.3°C), hinting at a minor fluctuation from the prior month. A modest nighttime temperature average of 50.2°F (10.1°C) characterizes July.

Humidity

The average relative humidity in July is 88%.

Rainfall

In Sitka, during July, the rain falls for 20.3 days and regularly aggregates up to 4.33" (110mm) of precipitation. In Sitka, during the entire year, the rain falls for 243.6 days and collects up to 82.76" (2102mm) of precipitation.

Snowfall

In Sitka, snow does not fall in June through September.

Daylight

In July, the average length of the day is 17h and 8min.
On the first day of the month, sunrise is at 4:12 am and sunset at 9:58 pm. On the last day of July, sunrise is at 4:59 am and sunset at 9:15 pm AKDT.

Sunshine

The average sunshine in July is 5.8h.

UV index

The month with the highest UV index is July, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 4 during July translates into the following guidance:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are July temperatures?

In Sitka, in July, the average high-temperature is 57.7°F (14.3°C), and the average low-temperature is 50.2°F (10.1°C).

What is the average humidity in July?

In Sitka, Alaska, the average relative humidity in July is 88%.

How many days does it rain in July?

In July, the rain falls for 20.3 days. Throughout July, 4.33" (110mm) of precipitation is accumulated.

When it does not snow?

In Sitka, snow does not fall in June through September.

What is the average length of the day in July?

The average day length in July is 17h and 8min.

When are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 4:12 am and sunset at 9:58 pm. On the last day of the month, in Sitka, Alaska, sunrise is at 4:59 am and sunset at 9:15 pm AKDT.

How many hours of sunshine does Sitka have in July?

In Sitka, the average sunshine duration in July is 5.8h.

When is the highest UV index in Sitka?

July is the month with the highest UV index, with an average maximum UV index of 4.

What is the UV index reading in July?

In Sitka, the average daily maximum UV index in July is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
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
Sitka, AK

Average temperature in July - Sitka, AK
  • Average high temperature in July: 57.7°F

The warmest month (with the highest average high temperature) is August (57.9°F).
The month with the lowest average high temperature is January (34.7°F).

  • Average low temperature in July: 50.2°F

The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is February (29.7°F).

Average pressure in July
Sitka, AK

Average pressure in July - Sitka, AK
  • Average pressure in July: 30.05"Hg

The month with the highest atmospheric pressure is July (30.05"Hg).
The month with the lowest atmospheric pressure is November (29.72"Hg).

Average wind speed in July
Sitka, AK

Average wind speed in July - Sitka, AK
  • Average wind speed in July: 5.2mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).

Average humidity in July
Sitka, AK

Average humidity in July - Sitka, AK
  • Average humidity in July: 88%

The month with the highest relative humidity is August (89%).
The months with the lowest relative humidity are February and March (83%).

Average rainfall in July
Sitka, AK

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

The wettest month (with the highest rainfall) is November (10.16").
The driest month (with the least rainfall) is May (3.82").

Average rainfall days in July
Sitka, AK

Average rainfall days in July - Sitka, AK
  • Average rainfall days in July: 20.3 days

The month with the highest number of rainy days is October (23.5 days).
The month with the least rainy days is February (14.6 days).

Average snowfall in July
Sitka, AK

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

The month with the highest snowfall is March (17.72").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Sitka, AK

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

The month with the highest number of snowfall days is March (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Sitka, AK
  • Average daylight in July: 17h and 1min

The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 48min).

  • Average sunshine in July: 5h and 5min

The month with the most sunshine is May (Average sunshine: 6h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

Average sunshine days in July
Sitka, AK

Average sunshine days in July - Sitka, AK
  • Average sunshine days in July: 8.1 days

The month with the most sunshine days is May (8.8 days).
The month with the least sunshine days is June (4.8 days).

Average UV index in July
Sitka, AK

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

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

Average cloud cover in July
Sitka, AK

Average cloud cover in July - Sitka, AK
  • Average cloud cover in July: 66

The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are February, May and September (Cloud cover 60).

Average visibility in July
Sitka, AK

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

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

Sitka, Alaska, USA

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