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 is characterized by a noticeable escalation in the average high-temperature, rising from an icy 33.1°F (0.6°C) in April to a fresh 52.7°F (11.5°C). May sees the temperature falling to a mean low of 36.5°F (2.5°C).Humidity
In Holy Cross, the average relative humidity in May is 70%.Rainfall
In May, the rain falls for 13.1 days. Throughout May, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 122.8 rainfall days, and 17.44" (443mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 4.2 snowfall days, in May, Holy Cross aggregates 0.59" (15mm) of snow. In Holy Cross, Alaska, during the entire year, snow falls for 111.6 days and aggregates up to 51.93" (1319mm) of snow.Daylight
In May, the average length of the day in Holy Cross is 17h and 51min.On the first day of May, sunrise is at 6:20 am and sunset at 10:51 pm. On the last day of the month, sunrise is at 5:03 am and sunset at 12:10 am AKDT.
Sunshine
In Holy Cross, the average sunshine in May is 8.3h.UV index
May through July, with an average maximum UV index of 4, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 4 translates into these guidelines:
Adopt protective measures - It is advised to guard against sun damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Holy Cross in May?
What is the average humidity in May in Holy Cross?
How many days does it rain in May in Holy Cross?
What is the last month it snows?
What is the average length of the day in May in Holy Cross?
When is the sunrise / sunset in May?
How long on average sun shines in May?
When is the highest UV index?
What is the UV index reading in May in Holy Cross?
Average temperature in May
Holy Cross, AK
- Average high temperature in May: 52.7°F
The warmest month (with the highest average high temperature) is July (64.9°F).
The month with the lowest average high temperature is January (6.4°F).
- Average low temperature in May: 36.5°F
The month with the highest average low temperature is July (47.8°F).
The coldest month (with the lowest average low temperature) is January (-3.1°F).
Average pressure in May
Holy Cross, AK
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is July (29.91"Hg).
The month with the lowest atmospheric pressure is October (29.7"Hg).
Average wind speed in May
Holy Cross, AK
- Average wind speed in May: 5.3mph
The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in May
Holy Cross, AK
- Average humidity in May: 70%
The months with the highest relative humidity are January, February, March and December (95%).
The month with the lowest relative humidity is June (63%).
Average rainfall in May
Holy Cross, AK
- Average rainfall in May: 1.18"
The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is March (0.94").
Average rainfall days in May
Holy Cross, AK
- Average rainfall days in May: 13.1 days
The month with the highest number of rainy days is August (20.8 days).
The months with the least rainy days are February and December (3 days).
Average snowfall in May
Holy Cross, AK
- Average snowfall in May: 0.59"
The month with the highest snowfall is February (10.24").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Holy Cross, AK
- Average snowfall days in May: 4.2 days
The month with the highest number of snowfall days is March (18.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Holy Cross, AK
- Average daylight in May: 17h and 5min
The month with the longest days is June (Average daylight: 19h and 42min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is June (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in May
Holy Cross, AK
- Average sunshine days in May: 13.9 days
The month with the most sunshine days is January (16.5 days).
The month with the least sunshine days is August (8.1 days).
Average UV index in May
Holy Cross, AK
- Average UV index in May: 4
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in May
Holy Cross, AK
- Average cloud cover in May: 55
The month with the most cloud cover is April (Cloud cover 71).
The month with the least cloud cover is June (Cloud cover 48).
Average visibility in May
Holy Cross, AK
- Average visibility in May: 6mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are February, March, April and December (3mi).
Holy Cross, Alaska, USA
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