May Weather in Nikiski, United States

Last updated: June 24, 2025

In Nikiski, United States, the average temperature for May hovers around 7°C (44°F). You can expect a minimum of 1°C (34°F) and a pleasant maximum of 15°C (60°F). Be prepared for some rain, as average precipitation reaches 63 mm (2.5 in) over 13 days. With an average humidity of 85%, the atmosphere will feel quite moist, making it essential to dress accordingly!

May Temperature in Nikiski

In May in Nikiski, the average temperature is 7°C (44°F). Maximums can reach 15°C (60°F) and minimums can be as low as 1°C (34°F). It's advisable to pack layers for your travels to ensure comfort in varying temperatures.

May Weather in Nikiski: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Nikiski, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nikiski, May typically has an average temperature of 7°C (44°F), with highs reaching up to 15°C (60°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec252729364451575853443229
Data source: Temperature data for Nikiski generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Nikiski

In Nikiski in May, the precipitation amount is 63 mm (2.5 in) spread over 13 days.

May Precipitation Trends in Nikiski

The chart displays monthly precipitation patterns in Nikiski, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Nikiski, May typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec5359414063437797137150101109
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Nikiski

In Nikiski in May, humidity is 85%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.

May Average Humidity in Nikiski

This chart illustrates the average monthly humidity levels in Nikiski, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Nikiski is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%95%90%82%85%95%100%99%97%93%97%98%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Nikiski

In Nikiski in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Nikiski.

Maximum UV Index Levels in Nikiski for May

The chart shows the monthly maximum UV Index (UVI) for Nikiski in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Nikiski typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112456654211
Data source: Nikiski May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in Nikiski Compares to Other Months

Weather in Nikiski varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Nikiski, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Nikiski, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)53 mm (2.1 inches)95%low
February Weather-3°C (27°F)59 mm (2.3 inches)95%low
March Weather-2°C (29°F)41 mm (1.6 inches)90%low
April Weather2°C (36°F)39 mm (1.6 inches)82%moderate
May Weather7°C (44°F)63 mm (2.5 inches)85%moderate
June Weather11°C (52°F)43 mm (1.7 inches)95%high
July Weather14°C (57°F)77 mm (3.0 inches)100%high
August Weather14°C (58°F)97 mm (3.8 inches)99%moderate
September Weather11°C (53°F)137 mm (5.4 inches)97%moderate
October Weather6°C (44°F)150 mm (5.9 inches)93%low
November Weather0°C (32°F)101 mm (4.0 inches)97%low
December Weather-2°C (29°F)109 mm (4.3 inches)98%low

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