May weather forecastGirdwood, AK
May
Weather in May
May offers a brisk and dynamic weather picture in Girdwood, Alaska. The temperatures increase considerably from April, averaging between 33.4°F (0.8°C) and 43.5°F (6.4°C), hinting at the forthcoming summer. In contrast to the drier, sunny days of June, May varies with a blend of rain and sunshine, with both rainfall and sunshine hours continuing to increase.Temperature
In Girdwood, stepping into May brings a temperature increase, moving up from April's icy 33.4°F (0.8°C) to a chilly 43.5°F (6.4°C). Girdwood experiences a steady low-temperature of 32°F (0°C) throughout May.Humidity
In May, the average relative humidity is 82%.Rainfall
In Girdwood, during May, the rain falls for 16 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 158.6 rainfall days, and 23.62" (600mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 1.8 snowfall days, in May, Girdwood aggregates 0.47" (12mm) of snow. In Girdwood, during the entire year, snow falls for 92.4 days and aggregates up to 43.31" (1100mm) of snow.Daylight
In Girdwood, the average length of the day in May is 17h and 29min.On the first day of the month, sunrise is at 5:45 am and sunset at 10:01 pm. On the last day of May, in Girdwood, sunrise is at 4:35 am and sunset at 11:13 pm AKDT.
Sunshine
The month with the most sunshine in Girdwood is May, with an average of 8.5h of sunshine.UV index
In May, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: During May, 2 as the daily maximum UV index converts into the following advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Girdwood, AK
- Average high temperature in May: 43.5°F
The warmest month (with the highest average high temperature) is July (56.8°F).
The month with the lowest average high temperature is January (18°F).
- Average low temperature in May: 32°F
The month with the highest average low temperature is July (44.1°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure in May
Girdwood, AK
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is July (29.97"Hg).
The month with the lowest atmospheric pressure is November (29.66"Hg).
Average wind speed in May
Girdwood, AK
- Average wind speed in May: 5.3mph
The windiest months (with the highest average wind speed) are November and December (5.9mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in May
Girdwood, AK
- Average humidity in May: 82%
The months with the highest relative humidity are March and December (92%).
The month with the lowest relative humidity is June (79%).
Average rainfall in May
Girdwood, AK
- Average rainfall in May: 1.42"
The wettest month (with the highest rainfall) is October (3.03").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in May
Girdwood, AK
- Average rainfall days in May: 16 days
The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is February (6 days).
Average snowfall in May
Girdwood, AK
- Average snowfall in May: 0.47"
The month with the highest snowfall is December (9.57").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Girdwood, AK
- Average snowfall days in May: 1.8 days
The month with the highest number of snowfall days is December (17.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Girdwood, AK
- Average daylight in May: 17h and 30min
The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 42min).
- Average sunshine in May: 8h and 30min
The month with the most sunshine is May (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).
Average sunshine days in May
Girdwood, AK
- Average sunshine days in May: 12.5 days
The month with the most sunshine days is January (14.2 days).
The month with the least sunshine days is August (8 days).
Average UV index in May
Girdwood, AK
- Average UV index in May: 2
The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in May
Girdwood, AK
- Average cloud cover in May: 55
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is May (Cloud cover 55).
Average visibility in May
Girdwood, AK
- Average visibility in May: 5mi
The month with the highest visibility is June (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (4mi).
