Overall on the next 14 days there will be 3 days with snow in Juneau and a total of 4 cm of snow.
It will be snowy on the following days:
Juneau weather in May 2026
Click on a day for an hourly weather forecast
Wednesday
May 6
3.3 mm
6° / 2°
Thursday
May 7
0 mm
7° / -3°
Friday
May 8
1.3 mm
8° / 1°
Saturday
May 9
18.3 mm
6° / 4°
Sunday
May 10
12.8 mm
7° / 4°
Monday
May 11
13.3 mm
5° / 4°
Tuesday
May 12
2 mm
6° / 0°
Wednesday
May 13
11.3 mm
4° / 2°
Thursday
May 14
10.8 mm
10° / 3°
Friday
May 15
3 mm
5° / 2°
Saturday
May 16
23.5 mm
4° / 3°
Sunday
May 17
0.3 cm
4° / 2°
Monday
May 18
3.5 cm
3° / 2°
Tuesday
May 19
0.2 cm
6° / 2°
🌨️ Snowy days in Juneau 2026 (May)
The average weather in Juneau in May
The weather in Juneau in May is very cold with temperatures between 0°C and 9°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Juneau. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
You can expect a few days of snow in Juneau during May. It’s important to get out your snow boots and warm mittens to stay warm while you explore Juneau.
Our weather forecast can give you a great sense of what weather to expect in Juneau in May 2026.
If you’re planning to visit Juneau in the near future, we highly recommend that you review the 14 day weather forecast for Juneau before you arrive.
Temperatures
9° / 0°
Rainy Days
12
Snowy Days
4
Dry Days
15
Rainfall
242
mm
Sun Hours
6.5
Hrs
Historic average weather for May
Click on a day for an hourly weather forecast
Explore the weather in Juneau in other months
Juneau annual weather
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -4° / -10° | 8 | 3 | 23 | 531 mm | Awful | Juneau in January |
| February | -4° / -10° | 5 | 6 | 20 | 341 mm | Awful | Juneau in February |
| March | -1° / -9° | 5 | 5 | 22 | 328 mm | Awful | Juneau in March |
| April | 3° / -5° | 11 | 5 | 16 | 296 mm | Awful | Juneau in April |
| May | 9° / 0° | 12 | 15 | 4 | 242 mm | Awful | Juneau in May |
| June | 12° / 3° | 14 | 16 | 0 | 263 mm | Bad | Juneau in June |
| July | 14° / 5° | 12 | 19 | 0 | 258 mm | Ok | Juneau in July |
| August | 13° / 5° | 16 | 15 | 0 | 434 mm | Bad | Juneau in August |
| September | 10° / 3° | 17 | 13 | 0 | 475 mm | Bad | Juneau in September |
| October | 4° / -1° | 16 | 8 | 7 | 506 mm | Awful | Juneau in October |
| November | -2° / -6° | 9 | 2 | 21 | 493 mm | Awful | Juneau in November |
| December | -4° / -10° | 6 | 4 | 23 | 469 mm | Awful | Juneau in December |
Temperatures in Juneau in May
Rain in Juneau in May
Recommended Hotels in Juneau
Weather in Juneau in May - FAQ
What is the average temperature in Juneau in May?
The average temperature in Juneau in May is 0/9° C.
What is the chance of rain in Juneau in May?
On average, there are 12 rainy days in Juneau during May.
Weather wise, is May a good time to visit Juneau?
The weather in Juneau in May is awful.
Can it snow in Juneau in May?
On average, there are 4 snowy days in Juneau in May.
More about the weather in Juneau