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At about 5 p.m. on July 4, 2019, the thermometer at Anchorage’s airport reached 90°F for the first time on record. The Anchorage Daily News reported that the National Weather Service took “a long look” before confirming it, because the reading was 89.1 and rounds up. The old record, 85°F, had stood since June 14, 1969, and Weather Underground logged Kenai and King Salmon at 89°F the same day.
That was a freak. Anchorage’s normal July afternoon is 66.2°F. But it’s why a July Alaska bag is the only one that needs shorts and a rain jacket.
What to Pack for a Cruise to Alaska in July
Pack for 50°F mornings and mid-60s afternoons: a waterproof hooded jacket, a fleece, a base layer, and one or two warm-weather outfits, including shorts. Add sunscreen, a sleep mask for the first half of the month, insect repellent and binoculars. A parka can stay at home, but a hat and thin gloves earn their space on glacier day. If your trip includes a Denali or Fairbanks land tour, pack for heat and wildfire smoke as well.
Is July Really Alaska’s Warmest Month?
Mostly. Princess calls July “the warmest month of the summer” and suggests outdoor shorts. Royal Caribbean says July “delivers the warmest temperatures” and that temperatures “settle into a comfy 60-70 degrees.” We checked both against NOAA’s official 1991–2020 climate normals, downloaded on November 5, 2026.
| Place | July high / low | July rain (wet days) | Warmer afternoons: July or August? |
|---|---|---|---|
| Ketchikan | 64.5°F / 53.2°F | 7.33 in (16.0) | August, by 0.2°F |
| Sitka | 60.4°F / 52.5°F | 4.62 in (18.9) | August, by 1.4°F |
| Juneau | 64.0°F / 50.1°F | 5.14 in (18.5) | July, by 1.1°F |
| Glacier Bay | 60.7°F / 48.5°F | 4.76 in (not counted) | July, by 0.7°F |
| Skagway | 64.5°F / 52.0°F | 1.38 in (11.0) | July, by 1.1°F |
| Seward | 62.2°F / 50.2°F | 3.11 in (13.4) | July, by 0.2°F |
| Anchorage | 66.2°F / 52.9°F | 1.82 in (11.7) | July, by 2.2°F |
| Fairbanks | 72.7°F / 53.1°F | 2.26 in (12.8) | July, by 6.3°F |
- “Warmest month” holds at six of eight places. In Ketchikan and Sitka, the two southernmost ports, August afternoons are slightly warmer. The difference is too small to change your suitcase.
- “60-70 degrees” describes the afternoon. Every coastal place in the table has a July high between 60.4°F and 66.2°F, but the nights sit between 48.5°F and 53.2°F. That’s jacket weather on deck after dinner.
- Warm doesn’t mean dry. Ketchikan averages more than 7 inches of rain in July, and Sitka and Juneau get rain on more than half the days of the month. The rain jacket is not optional.
Holland America’s packing list tells guests to plan for “temperatures ranging from 30- to 80-degrees Fahrenheit.” Fairbanks’s 72.7°F normal and Anchorage’s 2019 record show that the top of that range isn’t just theory.
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What Happens in Alaska in July, Date by Date?
July is the month when the calendar changes what you need. Here’s what we found, with Juneau’s sun times from the U.S. Naval Observatory for July 2027 (they agree with Sunrise-Sunset.org to within a minute).
- July 1: Juneau’s sun rises at 3:57 a.m. and sets at 10:05 p.m., a day of 18 hours 8 minutes. Pack: a sleep mask.
- July 3, 11:59 p.m.: Juneau’s midnight fireworks start over Gastineau Channel. Pack: a warm layer and a hood.
- July 4: Juneau’s parade at 11 a.m. downtown, and the Douglas parade at 2 p.m., per the Juneau Empire’s 2026 listing. Pack: sunscreen and the rain jacket.
- July 5: permits become mandatory at the Anan Wildlife Observatory near Wrangell, through August 25. Pack: waterproof boots and binoculars.
- July 15: sunrise 4:16 a.m., sunset 9:50 p.m. Royal Caribbean says bears “reach peak activity in July and August along with salmon runs.”
- Last week of July: the end of the mosquito window, according to Alaska.org, a travel guide, which puts it at “the second week in June to the last week in July” and says 30–40% DEET “is all you’ll normally ever need.”
- July 31: sunrise 4:47 a.m., sunset 9:19 p.m. That’s 16 hours 32 minutes of daylight, more than an hour and a half less than on July 1. The sleep mask matters less now.
What Should You Wear to Juneau’s Midnight Fireworks?
A jacket. The City and Borough of Juneau says the show begins at 11:59 p.m. on July 3. The city traces that to the mining era, when the Fourth was one of the mines’ two holidays and the late start let miners celebrate after dark before their day off. It also helps that the sky is finally dark enough by then: the Naval Observatory puts the end of civil twilight in Juneau at 11:18 p.m. that night, about 40 minutes before the first shell.
The city says the 2025 show ran about 22 minutes; the Juneau Empire called the 2024 one “roughly 30-minute” and photographed crowds watching from the downtown cruise ship dock in light rain. July nights in Juneau average about 50°F. You’ll only see it if your ship is still in port, so check the departure time on your itinerary before you plan around it.
Going Bear Watching? Pack for a Wet Trail
July is when the bears follow the salmon, and Anan Creek is the best-known place to watch them. The Forest Service says Anan “has one of the largest runs of pink salmon in Southeast Alaska,” with “a high density of black bears and a smaller population of brown bears.” It’s about 30 miles southeast of Wrangell, by boat or floatplane only.
Two things to know before you book. First, from July 5 to August 25, independent visitors share just 12 daily permits on Recreation.gov, and if you’re going with a guide you must not buy one there: the guide company supplies the permit. Second, the trail is a half-mile of gravel, and the Forest Service warns that the wet climate “can lead to slippery and muddy conditions.” Waterproof boots and rain pants beat sneakers here.
Adding Denali? Pack for Smoke as Well as Sun
The land tour is where July can go badly wrong. On June 30, 2024, the Riley Fire started near the entrance to Denali National Park. The park service closed the park and suspended its tour buses, and KTOO reported that it stayed shut for more than a week, reopening on Wednesday, July 10.
Cruise passengers were caught up in it. The Anchorage Daily News found Holland America tour guests waiting in Anchorage, and the Alaska Railroad moving travelers by motorcoach. CruiseMapper reported that Princess told at least one travel agent that the land portion of a cruise tour had been cancelled.
Smoke is the commoner problem. Alaska Public Media reported state air-quality advisories across the Interior, including the Denali area, in early July 2024, and Alaska’s News Source reported two more in July 2025. Those advisories start at the “unhealthy for sensitive groups” level, which covers people with heart and lung disease, children and older adults, who are advised to cut back on prolonged or heavy exertion. If that’s you, we’d keep any inhaler or medication in your daypack, not your checked bag.
One thing to do before you go: read what your travel insurance says about a closed park or a cancelled land segment. Our cruise insurance guide explains what the ticket contract does and doesn’t cover.
The July Additions to a Normal Alaska Bag
- Shorts and two T-shirts. For Skagway afternoons, Fairbanks and the odd 2019.
- A hooded waterproof jacket and quick-dry trousers. Ketchikan averages 7.33 inches of rain in July.
- A fleece and a hat. For 50°F nights, the fireworks and glacier mornings.
- A sleep mask, sunscreen and SPF lip balm. Holland America recommends “broad-spectrum sunscreen and moisturizing lip balm with SPF.”
- Repellent with 30–40% DEET, and binoculars for the bears.
The rest, from chargers to medicines, is on our printable cruise checklist. Normals are 30-year averages, so check the forecast for each port a few days before you fly.
Cruise Chaos earns nothing from cruise lines, travel agents, outdoor brands or booking links. Every fact here links to where we read it, and we downloaded the NOAA climate normals and the Naval Observatory sun times ourselves on November 5, 2026. If something has changed, tell us and we’ll correct it.
Coming up on Cruise Chaos: why do cruise ships take your passport?
Keep Reading
- What to Pack for a Cruise to Alaska in June, When It Barely Gets Dark
- What to Pack for a Cruise to Alaska in August: July’s Warmth, Heavier Rain
- Should You Book Excursions Through the Cruise Line? What the Fine Print Promises
Sources
- NOAA NCEI: U.S. Climate Normals, 1991–2020 (June, July and August monthly normals for Ketchikan, Sitka, Juneau, Glacier Bay, Skagway, Seward, Anchorage and Fairbanks stations, retrieved November 5, 2026)
- Wikipedia: Juneau, Ketchikan and Fairbanks (NOAA climate tables; July figures match)
- U.S. Naval Observatory: Sun and Moon Data for One Day (Juneau, July 1, 3, 15 and 31, 2027), its Rise, Set, and Twilight Definitions, and Sunrise-Sunset.org (cross-check, July 1 and 31)
- Anchorage Daily News: Anchorage hits an official 90 degrees for the first time on record (July 5, 2019)
- Weather Underground: Anchorage, Alaska Roasts in 90° Heat, Smashing All-Time Record By 5° (Jeff Masters, July 5, 2019)
- Princess Cruises: What to Pack for an Alaska Cruise
- Royal Caribbean: Alaska Cruise Weather by Month (published May 28, 2026)
- Holland America Line: Alaska Cruise Packing List
- City and Borough of Juneau: Juneau readies for annual Fourth of July midnight fireworks (June 24, 2025)
- Juneau Empire: Parade, picnic, midnight fireworks highlight Juneau Fourth of July festivities (July 1, 2026) and 2024 fireworks report
- USDA Forest Service: Anan Wildlife Observatory Site and Recreation.gov: Anan Wildlife Observatory permits
- Alaska.org: Mosquitoes in Alaska
- National Park Service: Park to remain closed (July 1, 2024)
- KTOO/KUAC: Denali National Park set to reopen Wednesday (July 8, 2024)
- Anchorage Daily News: Wildfire that closed Denali scrambles plans for thousands of tourists (July 2024)
- CruiseMapper: Wildfire forces cruise lines to cancel Denali NP tours (July 4, 2024)
- Alaska Public Media / Alaska Beacon: Denali and Fairbanks-area fires disrupt tourists (July 3, 2024)
- Alaska’s News Source: Air quality advisories issued for Interior Alaska (July 8, 2025)
