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

Blooming fireweed in Juneau, Alaska with snowy mountain peaks in the distance

Weather in July

July brings classic summer weather to Juneau; it is the hottest month with temperatures reaching up to 55.8°F (13.2°C). The days are long and sunny, and the sea warms to 50.7°F (10.4°C), the highest of the year. Despite the heat, the humidity remains comfortable, making July a perfect time for picnics and hikes under the blue, sunny skies. While there is rainfall, it is sporadic and does not tend to disrupt outdoor activities.

Temperature

July, recording an average high temperature of 55.8°F (13.2°C) and a low temperature of 45.1°F (7.3°C), is Juneau's warmest month.

Humidity

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

Rainfall

In Juneau, in July, during 20.2 rainfall days, 4.61" (117mm) of precipitation is typically accumulated. Throughout the year, there are 172.4 rainfall days, and 85.87" (2181mm) of precipitation is accumulated.

Snowfall

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

Ocean temperature

In Juneau, in July, the average water temperature is 50.7°F (10.4°C).
Note: Dipping in 50.7°F (10.4°C) at temperatures less than 50°F (10°C) without proper gear can lead to pronounced cold shock and breathing difficulties.

Daylight

The average length of the day in July is 17h and 26min.
On the first day of the month, sunrise is at 3:58 am and sunset at 10:05 pm. On the last day of July, in Juneau, sunrise is at 4:49 am and sunset at 9:18 pm AKDT.

Sunshine

In Juneau, the average sunshine in July is 5.7h.

UV index

The months with the highest UV index are May and July, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In July, a daily maximum UV index of 3 leads to the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.

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

Frequently asked questions

What is the warmest month?

With its average high temperature of 55.8°F (13.2°C) and a low of 45.1°F (7.3°C), July is regarded as the warmest month.

What are the temperatures in July?

Juneau in July has an average high-temperature of 55.8°F (13.2°C) and an average low-temperature of 45.1°F (7.3°C).

What is the average humidity in July?

The average relative humidity in July is 88%.

How much does it rain in July?

In Juneau, in July, during 20.2 rainfall days, 4.61" (117mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

What is the water temperature in July?

In Juneau, the average seawater temperature in July is 50.7°F (10.4°C). Swimming in 50.7°F (10.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Juneau have in July?

In Juneau, the average day length in July is 17h and 26min.

When is the sunrise / sunset in July?

On the first day of July, sunrise is at 3:58 am and sunset at 10:05 pm. On the last day of the month, sunrise is at 4:49 am and sunset at 9:18 pm AKDT.

How long on average sun shines in July?

The average sunshine duration in July is 5.7h.

When is the highest UV index?

The months with the highest UV index are May and July, with an average maximum UV index of 3.

How high is the UV index in July?

In Juneau, the average daily maximum UV index in July is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's 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

51.6°F 10.9°C

55.8°F 13.2°C

54.1°F 12.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

3.9mph 6.3km/h

4.5mph 7.2km/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

6.3

8.8

7.3

Average UV index

Average cloud cover

Average visibility

Average temperature in July
Juneau, AK

Average high temperature in July: 55.8°F

The warmest month (with the highest average high temperature) is July (55.8°F).
The months with the lowest average high temperature are January and December (25.7°F).

Average low temperature in July: 45.1°F

The month with the highest average low temperature is July (45.1°F).
The coldest month (with the lowest average low temperature) is February (17.1°F).

Average pressure in July
Juneau, AK

Average pressure in July: 30.03"Hg

The month with the highest atmospheric pressure is July (30.03"Hg).
The month with the lowest atmospheric pressure is November (29.8"Hg).

Average wind speed in July
Juneau, AK

Average wind speed in July: 3.7mph

The windiest month (with the highest average wind speed) is January (6.9mph).
The calmest months (with the lowest average wind speed) are June and July (3.7mph).

Average humidity in July
Juneau, AK

Average humidity in July: 88%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (86%).

Average rainfall in July
Juneau, AK

Average rainfall in July: 4.61"

The wettest month (with the highest rainfall) is October (9.88").
The driest month (with the least rainfall) is May (4.13").

Average rainfall days in July
Juneau, AK

Average rainfall days in July: 20.2 days

The month with the highest number of rainy days is September (21.9 days).
The month with the least rainy days is February (4.8 days).

Average snowfall in July
Juneau, AK

Average snowfall in July: 0"

The month with the highest snowfall is December (62.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Juneau, AK

Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (21.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in July
Juneau, AK

Average sea temperature in July: 50.7°F

The best month for swimming (with the highest average sea temperature) is August (53.5°F).
The coldest month (with the lowest average sea temperature) is March (40.3°F).

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

Average daylight in July: 17h and 2min

The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).

Average sunshine in July: 5h and 4min

The month with the most sunshine is June (Average sunshine: 6h and 24min).
The month with the least sunshine is November (Average sunshine: 2h and 36min).

Average sunshine days in July
Juneau, AK

Average sunshine days in July: 8.8 days

The month with the most sunshine days is May (10 days).
The month with the least sunshine days is November (6.1 days).

Average UV index in July
Juneau, AK

Average UV index in July: 3

The months with the highest UV index are May and July (UV index 3).
The months with the lowest UV index are January, April, October, November and December (UV index 1).

Average cloud cover in July
Juneau, AK

Average cloud cover in July: 68

The months with the most cloud cover are January and November (Cloud cover 72).
The month with the least cloud cover is May (Cloud cover 61).

Average visibility in July
Juneau, AK

Average visibility in July: 4mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).

July weather forecast
Juneau, AK

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