May weather forecastRowan Bay, AK
May
Weather in May
The last month of the spring, May, is another chilly month in Rowan Bay, Alaska, with an average temperature fluctuating between 48.9°F (9.4°C) and 44.8°F (7.1°C).Temperature
May reports an average high-temperature of a still frosty 48.9°F (9.4°C), slightly varied from April's 44.2°F (6.8°C). Rowan Bay observes an average low-temperature of 44.8°F (7.1°C) during the slightly cooler nights of May.Humidity
In Rowan Bay, the average relative humidity in May is 84%.Rainfall
May is the month with the least rainfall. Rain falls for 15.8 days and accumulates 3.07" (78mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in May is 16h and 30min.On the first day of the month, sunrise is at 5:07 am and sunset at 8:40 pm. On the last day of May, sunrise is at 4:13 am and sunset at 9:35 pm AKDT.
Sunshine
May has the most sunshine of the year, with an average of 7.2h of sunshine.UV index
The average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 3 transforms into these recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rowan Bay, AK
- Average high temperature in May: 48.9°F
The warmest month (with the highest average high temperature) is August (57.6°F).
The month with the lowest average high temperature is February (39.6°F).
- Average low temperature in May: 44.8°F
The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is February (35.4°F).
Average pressure in May
Rowan Bay, AK
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is July (30.05"Hg).
The month with the lowest atmospheric pressure is November (29.72"Hg).
Average wind speed in May
Rowan Bay, AK
- Average wind speed in May: 10.1mph
The windiest month (with the highest average wind speed) is January (17mph).
The calmest months (with the lowest average wind speed) are June and July (8.9mph).
Average humidity in May
Rowan Bay, AK
- Average humidity in May: 84%
The month with the highest relative humidity is August (89%).
The months with the lowest relative humidity are February and March (78%).
Average rainfall in May
Rowan Bay, AK
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is November (9.69").
The driest month (with the least rainfall) is May (3.07").
Average rainfall days in May
Rowan Bay, AK
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is November (23.1 days).
The month with the least rainy days is February (14.2 days).
Average snowfall in May
Rowan Bay, AK
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.88").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Rowan Bay, AK
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is March (8.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Rowan Bay, AK
- Average daylight in May: 16h and 30min
The month with the longest days is June (Average daylight: 17h and 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- Average sunshine in May: 7h and 12min
The month with the most sunshine is May (Average sunshine: 7h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in May
Rowan Bay, AK
- Average sunshine days in May: 13.6 days
The month with the most sunshine days is May (13.6 days).
The month with the least sunshine days is November (5.3 days).
Average UV index in May
Rowan Bay, AK
- Average UV index in May: 3
The months with the highest UV index are July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in May
Rowan Bay, AK
- Average cloud cover in May: 55
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are May and September (Cloud cover 55).
Average visibility in May
Rowan Bay, 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).





