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
A gentle upsurge in temperatures occurs as April gives way to May, with average highs shifting from a cold 38.3°F (3.5°C) to a chilly 46°F (7.8°C). In Port Graham, nights during May observe an average temperature decrease to a cold 40.6°F (4.8°C).Humidity
May and November, with an average relative humidity of 78%, are the least humid months in Port Graham.Rainfall
In Port Graham, Alaska, during May, the rain falls for 17.7 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Port Graham, during the entire year, the rain falls for 179.8 days and collects up to 36.57" (929mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Port Graham, Alaska. May is the last month it regularly snows in Port Graham. During 0.6 snowfall days, in May, Port Graham aggregates 0.08" (2mm) of snow. Throughout the year, there are 70.1 snowfall days, and 38.58" (980mm) of snow is accumulated.Daylight
In Port Graham, the average length of the day in May is 17h and 4min.On the first day of May, sunrise is at 6:05 am and sunset at 10:03 pm. On the last day of the month, sunrise is at 5:02 am and sunset at 11:08 pm AKDT.
Sunshine
In Port Graham, the average sunshine in May is 8.4h.UV index
January through May, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Port Graham. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 2 during May, leads to the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What are May temperatures in Port Graham?
What are the least humid months in Port Graham?
What is the average humidity in May in Port Graham?
How much does it rain in Port Graham in May?
What is the last month it snows in Port Graham?
How many hours of daylight does Port Graham have in May?
When are sunrise and sunset in May in Port Graham?
How long on average sun shines in May in Port Graham?
What are the months with the lowest UV index in Port Graham?
What is the UV index intensity in May in Port Graham?
Average temperature in May
Port Graham, AK
- Average high temperature in May: 46°F
The warmest months (with the highest average high temperature) are July and August (55.9°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in May: 40.6°F
The month with the highest average low temperature is August (50.4°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in May
Port Graham, AK
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.6"Hg).
Average wind speed in May
Port Graham, AK
- Average wind speed in May: 7.4mph
The windiest month (with the highest average wind speed) is December (12.2mph).
The calmest month (with the lowest average wind speed) is June (6.2mph).
Average humidity in May
Port Graham, AK
- Average humidity in May: 78%
The months with the highest relative humidity are July and August (84%).
The months with the lowest relative humidity are May and November (78%).
Average rainfall in May
Port Graham, AK
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is December (5.2").
The driest month (with the least rainfall) is June (1.38").
Average rainfall days in May
Port Graham, AK
- Average rainfall days in May: 17.7 days
The month with the highest number of rainy days is September (18.8 days).
The month with the least rainy days is February (9 days).
Average snowfall in May
Port Graham, AK
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (8.98").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Port Graham, AK
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Port Graham, AK
- Average daylight in May: 17h and 1min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in May
Port Graham, AK
- Average sunshine days in May: 12.1 days
The month with the most sunshine days is July (13.7 days).
The month with the least sunshine days is December (7.5 days).
Average UV index in May
Port Graham, AK
- Average UV index in May: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, April, May, October, November and December (UV index 2).
Average cloud cover in May
Port Graham, AK
- Average cloud cover in May: 54
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 51).
Average visibility in May
Port Graham, AK
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Port Graham, Alaska, USA
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