Bears in Katmai National Park

Destination

Alaska – Best time to go

The best time to visit Alaska

With long days and nature in full bloom, the summer months are the best time to visit the expansive state of Alaska. Most tours operate from May through September and peak travel months are mid-June through August, so if you are looking for value, travel early in the season. 

Best times to visit

The best time to book Alaska holidays is from mid-June to September

It gets incredibly cold in Alaska in the winter and the warmest months, with long, light days, are from May to September. Travel from mid-June to August for the warmest temperatures. 

Maximum daytime temperature – 22°C

Minimum night time temperature – 8°C

Average rainfall – 120mm per month

Average daylight hours – 18  

What’s the weather like in Alaska from mid-June to September?

Summer in Alaska offers ideal conditions for hiking and exploring. Enjoy long days with up to 18 hours of sunlight, warm temperatures with highs of 22°C and light rainfall. Due to Alaska’s size, the temperature does vary by region, so expect lighter conditions in the far north.

Why visit Alaska from mid-June to September?

  • Enjoy long, light days for exploring with highs of 22°C
  • Spot Brown Bears fishing for salmon in July
  • Go whale watching from May to September
  • There’s a chance of seeing the Northern Lights in late August and September

Select month

Average weather in January

Average travel weather

Avg. temp
Avg. rainfall
Alaska
-5ºC
40mm

Average weather in February

Average travel weather

Avg. temp
Avg. rainfall
Alaska
-4ºC
40mm

Average weather in March

Average travel weather

Avg. temp
Avg. rainfall
Alaska
1ºC
60mm

Average weather in April

Good travel weather

Avg. temp
Avg. rainfall
Alaska
9ºC
80mm

Average weather in May

Best travel weather

Avg. temp
Avg. rainfall
Alaska
15ºC
100mm

Average weather in June

Best travel weather

Avg. temp
Avg. rainfall
Alaska
20ºC
100mm

Average weather in July

Best travel weather

Avg. temp
Avg. rainfall
Alaska
22ºC
120mm

Average weather in August

Best travel weather

Avg. temp
Avg. rainfall
Alaska
21ºC
140mm

Average weather in September

Good travel weather

Avg. temp
Avg. rainfall
Alaska
17ºC
140mm

Average weather in October

Average travel weather

Avg. temp
Avg. rainfall
Alaska
10ºC
90mm

Average weather in November

Average travel weather

Avg. temp
Avg. rainfall
Alaska
4ºC
90mm

Average weather in December

Average travel weather

Avg. temp
Avg. rainfall
Alaska
-3ºC
70mm