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
The shift into May is marked by a modest rise in the average high-temperature, moving from April's cold 40.6°F (4.8°C) to a chilly 48.6°F (9.2°C). Recording a slight drop from the daily maximum, Orca notes an average low temperature of 40.5°F (4.7°C) in the month of May.Humidity
In Orca, the average relative humidity in May is 79%.Rainfall
In Orca, in May, it is raining for 17.5 days, with typically 4.25" (108mm) of accumulated precipitation. Throughout the year, there are 191.3 rainfall days, and 72.4" (1839mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Orca. During 0.8 snowfall days, in May, Orca aggregates 0.31" (8mm) of snow. Throughout the year, there are 66.1 snowfall days, and 74.57" (1894mm) of snow is accumulated.Daylight
In May, the average length of the day is 17h and 23min.On the first day of May in Orca, sunrise is at 5:34 am and sunset at 9:45 pm. On the last day of the month, sunrise is at 4:25 am and sunset at 10:55 pm AKDT.
Sunshine
The months with the most sunshine are May through July, with an average of 7.6h of sunshine.UV index
The average daily maximum UV index in May is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The UV index of 3 in May translates into these instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Orca have in May?
What time are sunrise and sunset in May?
What is the month with the most sunshine?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Orca, AK
- Average high temperature in May: 48.6°F
The warmest month (with the highest average high temperature) is July (58.6°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in May: 40.5°F
The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in May
Orca, AK
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is July (30"Hg).
The month with the lowest atmospheric pressure is November (29.65"Hg).
Average wind speed in May
Orca, AK
- Average wind speed in May: 6.2mph
The windiest months (with the highest average wind speed) are January and November (12.1mph).
The calmest month (with the lowest average wind speed) is June (5.2mph).
Average humidity in May
Orca, AK
- Average humidity in May: 79%
The month with the highest relative humidity is August (84%).
The month with the lowest relative humidity is November (75%).
Average rainfall in May
Orca, AK
- Average rainfall in May: 4.25"
The wettest month (with the highest rainfall) is October (9.09").
The driest month (with the least rainfall) is June (2.72").
Average rainfall days in May
Orca, AK
- Average rainfall days in May: 17.5 days
The month with the highest number of rainy days is August (21 days).
The month with the least rainy days is February (9.6 days).
Average snowfall in May
Orca, AK
- Average snowfall in May: 0.31"
The month with the highest snowfall is December (17.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Orca, AK
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is December (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Orca, AK
- Average daylight in May: 17h and 2min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in May: 7h and 4min
The months with the most sunshine are May, June and July (Average sunshine: 7h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).
Average sunshine days in May
Orca, AK
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is July (12.1 days).
The month with the least sunshine days is September (8 days).
Average UV index in May
Orca, AK
- Average UV index in May: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in May
Orca, AK
- Average cloud cover in May: 57
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is May (Cloud cover 57).
Average visibility in May
Orca, AK
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January, August and December (5mi).
Orca, Alaska, USA
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