May weather forecastNikiski, AK
May
Weather in May
The last month of the spring, May, is a fresh month in Nikiski, Alaska, with temperature in the range of an average high of 51.4°F (10.8°C) and an average low of 41.7°F (5.4°C).Temperature
Nikiski's weather in May presents a rise in the average high-temperature, moving from a cold 40.5°F (4.7°C) in April to a fresh 51.4°F (10.8°C). Nikiski in May experiences a low-temperature average of 41.7°F (5.4°C).Humidity
The least humid month is May, with an average relative humidity of 69%.Rainfall
In May, the rain falls for 13.2 days. Throughout May, 1.06" (27mm) of precipitation is accumulated. Throughout the year, there are 136.3 rainfall days, and 19.49" (495mm) of precipitation is accumulated.Snowfall
May through August are months without snowfall in Nikiski.Daylight
The average length of the day in May is 17h and 25min.On the first day of the month, sunrise is at 5:55 am and sunset at 10:08 pm. On the last day of May, sunrise is at 4:46 am and sunset at 11:19 pm AKDT.
Sunshine
The average sunshine in May is 9.7h.UV index
In Nikiski, the average daily maximum UV index in May is 3. 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: A maximum UV index of 3 in May translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Nikiski, AK
- Average high temperature in May: 51.4°F
The warmest month (with the highest average high temperature) is July (61.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in May: 41.7°F
The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in May
Nikiski, AK
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.64"Hg).
Average wind speed in May
Nikiski, AK
- Average wind speed in May: 6.7mph
The windiest month (with the highest average wind speed) is December (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in May
Nikiski, AK
- Average humidity in May: 69%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (69%).
Average rainfall in May
Nikiski, AK
- Average rainfall in May: 1.06"
The wettest month (with the highest rainfall) is October (2.87").
The driest month (with the least rainfall) is June (0.91").
Average rainfall days in May
Nikiski, AK
- Average rainfall days in May: 13.2 days
The month with the highest number of rainy days is September (16.6 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in May
Nikiski, AK
- Average snowfall in May: 0"
The month with the highest snowfall is December (8.74").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in May
Nikiski, AK
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is December (12.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Nikiski, AK
- Average daylight in May: 17h and 24min
The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in May: 9h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in May
Nikiski, AK
- Average sunshine days in May: 16 days
The month with the most sunshine days is June (16.6 days).
The month with the least sunshine days is September (11.5 days).
Average UV index in May
Nikiski, AK
- Average UV index in May: 3
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Nikiski, AK
- Average cloud cover in May: 49
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 44).
Average visibility in May
Nikiski, AK
- Average visibility in May: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).





