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Weather in Glacier Bay National Park and Preserve, Alaska for May 2026

Your guide to Glacier Bay National Park and Preserve weather in May - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Glacier Bay National Park and Preserve during May is quite rare, with fewer than 2 snowy days on average.
    According to Glacier Bay National Park and Preserve snow forecast for May 2026, 4 snowy days are expected until the end of the month. The closest date with snow is Wednesday, May 27.

    • Temperatures

  • Until now, May 2026 in Glacier Bay National Park and Preserve has been nearly identical to the historical average, with a temperature of 8.3 °F (showing only a slight deviation of -0.3 °F).

  • The forecast for the coming days of May 2026 predicts a temperature of 8.9 °F , which is warmer than usual.

  • In general, the average temperature in Glacier Bay National Park and Preserve at the beginning of May is 7.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 6.9 °F by the end of May.

    • Rain 🌧️

  • Glacier Bay National Park and Preserve experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 237 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
2
Dry days
Average rainy days
29
Rainy days
Average snowy days
0
Snow days
Average temperatures
8°/4°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
84 %
Avg humidity

Glacier Bay National Park and Preserve Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate or heavy rain shower
9°
2
Moderate or heavy rain shower
7°
3
Heavy rain at times
7°
4
Patchy rain possible
9°
5
Moderate or heavy rain shower
8°
6
Moderate or heavy rain shower
6°
7
Moderate rain at times
7°
8
Heavy rain at times
7°
9
Moderate or heavy rain shower
8°
10
Patchy rain possible
8°
11
Overcast
10°
12
Patchy rain possible
10°
13
Moderate rain at times
8°
14
Moderate rain at times
8°
15
Moderate rain at times
9°
16
Heavy rain at times
8°
17
Moderate rain at times
9°
18
Patchy rain possible
9°
19
Overcast
10°
20
Moderate rain at times
9°
21
Patchy rain possible
9°
22
Patchy rain possible
8°
23
Patchy rain possible
9°
24
Moderate rain at times
10°
25
Light rain shower
12°
26
Light rain shower
10°
27
Moderate rain
3°
28
Moderate rain
4°
29
Patchy rain possible
6°
30
Patchy rain possible
6°
31
Patchy rain possible
7°

Temperatures trend during May in Glacier Bay National Park and Preserve

See the weather trend as well as the moving average line

May weather in Glacier Bay National Park and Preserve day by day

Click on a date for more information
April June
Date Weather Temperatures Rain Snow More
May 1 Moderate or heavy rain shower
Moderate or heavy rain shower
 9° /3° 16.3 mm 0 cm
May 2 Moderate or heavy rain shower
Moderate or heavy rain shower
 7° /3° 16 mm 0 cm
May 3 Heavy rain at times
Heavy rain at times
 7° /3° 4.8 mm 0 cm
May 4 Patchy rain possible
Patchy rain possible
 9° /3° 1.1 mm 0 cm
May 5 Moderate or heavy rain shower
Moderate or heavy rain shower
 8° /4° 7.6 mm 0 cm
May 6 Moderate or heavy rain shower
Moderate or heavy rain shower
 6° /3° 4.9 mm 0 cm
May 7 Moderate rain at times
Moderate rain at times
 7° /2° 2.8 mm 0 cm
May 8 Heavy rain at times
Heavy rain at times
 7° /3° 5.8 mm 0 cm
May 9 Moderate or heavy rain shower
Moderate or heavy rain shower
 8° /4° 12.7 mm 0 cm
May 10 Patchy rain possible
Patchy rain possible
 8° /3° 7.6 mm 0 cm
May 11 Overcast
Overcast
 10° /4° 1.5 mm 0 cm
May 12 Patchy rain possible
Patchy rain possible
 10° /4° 0.6 mm 0 cm
May 13 Moderate rain at times
Moderate rain at times
 8° /4° 2.4 mm 0 cm
May 14 Moderate rain at times
Moderate rain at times
 8° /5° 5.8 mm 0 cm
May 15 Moderate rain at times
Moderate rain at times
 9° /5° 4.6 mm 0 cm
May 16 Heavy rain at times
Heavy rain at times
 8° /4° 9.7 mm 0 cm
May 17 Moderate rain at times
Moderate rain at times
 9° /5° 12.9 mm 0 cm
May 18 Patchy rain possible
Patchy rain possible
 9° /3° 5.3 mm 0 cm
May 19 Overcast
Overcast
 10° /4° 0.6 mm 0 cm
May 20 Moderate rain at times
Moderate rain at times
 9° /5° 9.4 mm 0 cm
May 21 Patchy rain possible
Patchy rain possible
 9° /5° 2.6 mm 0 cm
May 22 Patchy rain possible
Patchy rain possible
 8° /4° 5.7 mm 0 cm
May 23 Patchy rain possible
Patchy rain possible
 9° /3° 1.7 mm 0 cm
May 24 Moderate rain at times
Moderate rain at times
 10° /3° 3.1 mm 0 cm
May 25 Light rain shower
Light rain shower
 12° /6° 6.9 mm 0 cm
May 26 Light rain shower
Light rain shower
 10° /5° 5.4 mm 0 cm
May 27 Moderate rain
Moderate rain
 3° /2° 15.2 mm 11 cm
May 28 Moderate rain
Moderate rain
 4° /2° 6.7 mm 4.5 cm
May 29 Patchy rain possible
Patchy rain possible
 6° /3° 2.7 mm 0 cm
May 30 Patchy rain possible
Patchy rain possible
 6° /3° 4 mm 1.6 cm
May 31 Patchy rain possible
Patchy rain possible
 7° /4° 3.7 mm 1.3 cm
Next
Important Notice
Our weather forecast for Glacier Bay National Park and Preserve in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Glacier Bay National Park and Preserve forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Glacier Bay National Park and Preserve in May - FAQ

What are the expected maximum and minimum temperatures in Glacier Bay National Park and Preserve during May?

Prepare for cooler days with highs just around 8° and colder nights, dipping below 4°.

How much rainfall should be expected in Glacier Bay National Park and Preserve during May?

Significant rainfall exceeding 237 mm is expected in Glacier Bay National Park and Preserve during May, occurring over more than 29 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Glacier Bay National Park and Preserve in May 2026?

Glacier Bay National Park and Preserve typically sees 0 cm of snowfall during May.

What are the typical wind conditions in Glacier Bay National Park and Preserve during May?

The average wind speed in Glacier Bay National Park and Preserve during May is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

Glacier Bay National Park and Preserve snow forecast May 2026

Track daily snowfall levels and discover Glacier Bay National Park and Preserve’s snowy potential this May ❄️

May rainfall patterns in Glacier Bay National Park and Preserve

Explore the daily rainfall trends and prepare for Glacier Bay National Park and Preserves May weather 💧
Typically, Glacier Bay National Park and Preserve has 29 rainy days in May with a total of 237 mm of rainfall.

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Location coordinates Where is Glacier Bay National Park and Preserve?

Get accurate weather forecasts for Glacier Bay National Park and Preserve, located at latitude 58.501 and longitude -137.001. Stay updated with localized weather information tailored for Glacier Bay National Park and Preserve.

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