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's arrival witnesses a distinct temperature rise, advancing from April's wintry 33.1°F (0.6°C) to a cool 52.7°F (11.5°C). During May, the nighttime temperature averages to a wintry 36.5°F (2.5°C).Humidity
In Grayling, the average relative humidity in May is 70%.Rainfall
In Grayling, in May, during 13.1 rainfall days, 1.18" (30mm) of precipitation is typically 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, Grayling aggregates 0.59" (15mm) of snow. In Grayling, during the entire year, snow falls for 111.6 days and aggregates up to 51.93" (1319mm) of snow.Daylight
The average length of the day in May is 18h and 5min.On the first day of May, sunrise is at 6:17 am and sunset at 10:57 pm. On the last day of the month, sunrise is at 4:54 am and sunset at 12:21 am AKDT.
Sunshine
In May, the average sunshine is 8.3h.UV index
The months with the highest UV index are May through July, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
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 Grayling have in May?
What time are sunrise and 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?
Average temperature in May
Grayling, 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
Grayling, 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
Grayling, 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
Grayling, 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
Grayling, 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
Grayling, 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
Grayling, 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
Grayling, 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
Grayling, AK
- Average daylight in May: 18h and 1min
The month with the longest days is June (Average daylight: 20h and 0min).
The month with the shortest days is December (Average daylight: 5h and 0min).
- 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
Grayling, 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
Grayling, 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
Grayling, 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
Grayling, 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).
Grayling, Alaska, USA
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