December Weather in Североморск-3 Russia

Daily high temperatures decrease by 5°F, from 25°F to 20°F, rarely falling below 3°F or exceeding 35°F.

Daily low temperatures decrease by 7°F, from 13°F to 7°F, rarely falling below -15°F or exceeding 28°F.

For reference, on July 23, the hottest day of the year, temperatures in Североморск-3 typically range from 46°F to 61°F, while on January 25, the coldest day of the year, they range from 5°F to 18°F.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on December. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Chevak, United States (3,380 miles away) and Sutton-Alpine, United States (3,412 miles) are the far-away foreign places with temperatures most similar to Североморск-3 (view comparison).

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The month of December in Североморск-3 experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 82% to 86%.

The clearest day of the month is December 1, with clear, mostly clear, or partly cloudy conditions 18% of the time.

For reference, on January 1, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 86%, while on July 5, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 42%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Североморск-3, the chance of a wet day over the course of December is essentially constant, remaining around 20% throughout.

For reference, the year's highest daily chance of a wet day is 37% on July 14, and its lowest chance is 16% on February 13.

Over the course of December in Североморск-3, the chance of a day with only rain remains an essentially constant 1% throughout, the chance of a day with mixed snow and rain remains an essentially constant 2% throughout, and the chance of a day with only snow remains an essentially constant 16% throughout.

Rainfall

To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during December in Североморск-3 is essentially constant, remaining about 0.1 inches throughout, and rarely exceeding 0.4 inches or falling below -0.0 inches.

Snowfall

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day snowfall during December in Североморск-3 is essentially constant, remaining about 7.3 inches throughout, and rarely exceeding 13.8 inches or falling below 2.1 inches.

Due to its extreme latitude, Североморск-3 experiences polar day (also known as the midnight Sun) during the summer and polar night during the winter. These are periods of time in which the sun is continuously above or below the horizon for more than one day. The precise start and end dates of polar day and night vary from year to year and depend on the precise location and elevation of the observer, and the local topography.

In the winter in Североморск-3 during 2024, the Sun is continuously below the horizon for 1.3 months, setting at 12:47 PM on December 1, and not rising again until 12:31 PM on January 11. As such, polar night begins in December on and lasts beyond the end of the month.

The longest day of the month is December 1, with 27 minutes of daylight.

Daylight saving time is not observed in Североморск-3 during 2024.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

The figure below presents a compact representation of key lunar data for December 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Североморск-3 is essentially constant during December, remaining around 0% throughout.

For reference, on July 6, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Североморск-3 is gradually increasing during December, increasing from 8.3 miles per hour to 8.8 miles per hour over the course of the month.

For reference, on January 27, the windiest day of the year, the daily average wind speed is 9.2 miles per hour, while on August 13, the calmest day of the year, the daily average wind speed is 4.7 miles per hour.

The hourly average wind direction in Североморск-3 throughout December is predominantly from the south, with a peak proportion of 41% on December 31.

Североморск-3 is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average surface water temperature in Североморск-3 is gradually decreasing during December, falling by 2°F, from 41°F to 39°F, over the course of the month.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season in Североморск-3 typically lasts for 3.0 months (90 days), from around June 4 to around September 3, rarely starting before May 16 or after June 22, and rarely ending before August 8 or after September 27.

The month of December in Североморск-3 is reliably fully outside of the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Североморск-3 are essentially constant during December, remaining around 391°F throughout.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Североморск-3 is essentially constant during December, remaining around 0.0 kWh throughout.

The lowest average daily incident shortwave solar energy during December is 0.0 kWh on December 22.

For the purposes of this report, the geographical coordinates of Североморск-3 are 68.879 deg latitude, 33.726 deg longitude, and 525 ft elevation.

The topography within 2 miles of Североморск-3 contains only modest variations in elevation, with a maximum elevation change of 299 feet and an average elevation above sea level of 552 feet. Within 10 miles contains only modest variations in elevation (1,460 feet). Within 50 miles contains very significant variations in elevation (2,011 feet).

The area within 2 miles of Североморск-3 is covered by grassland (49%), shrubs (32%), and trees (10%), within 10 miles by grassland (46%) and shrubs (28%), and within 50 miles by grassland (32%) and water (23%).