Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May brings an increase in the average high-temperature, progressing from a wintry 33.4°F (0.8°C) in April to a frosty 43.5°F (6.4°C). Girdwood's May nights cool down to an average low-temperature of 32°F (0°C).Humidity
The average relative humidity in May is 82%.Rainfall
In Girdwood, in May, during 16 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, there are 158.6 rainfall days, and 23.62" (600mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 1.8 snowfall days, in May, Girdwood aggregates 0.47" (12mm) of snow. Throughout the year, there are 92.4 snowfall days, and 43.31" (1100mm) of snow is accumulated.Daylight
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, sunrise is at 4:35 am and sunset at 11:13 pm AKDT.
Sunshine
With an average of 8.5h of sunshine, May has the most sunshine of the year.UV index
In May, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during May leads to these instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May?
What month has the most sunshine?
How long on average sun shines in May?
What is the UV index intensity in May?
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 3min
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 3min
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).
Girdwood, Alaska, USA
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