Summer Weather in Kuril’sk Russia

Daily high temperatures increase by 16°F, from 45°F to 61°F, rarely falling below 41°F or exceeding 65°F. The highest daily average high temperature is 61°F on August 20.

Daily low temperatures increase by 16°F, from 41°F to 57°F, rarely falling below 37°F or exceeding 62°F. The highest daily average low temperature is 57°F on August 23.

For reference, on August 19, the hottest day of the year, temperatures in Kuril’sk typically range from 57°F to 61°F, while on February 16, the coldest day of the year, they range from 22°F to 27°F.

The figure below shows you a compact characterization of the hourly average summer temperatures. 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.

Miquelon, St. Pierre & Miquelon (5,896 miles away) is the far-away foreign place with temperatures most similar to Kuril’sk (view comparison).

© OpenStreetMap contributors

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The summer in Kuril’sk experiences very rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 76% to 54%. The highest chance of overcast or mostly cloudy conditions is 76% on June 6.

The clearest day of the summer is August 30, with clear, mostly clear, or partly cloudy conditions 46% of the time.

For reference, on January 20, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 85%, while on October 13, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 59%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Kuril’sk, the chance of a wet day over the course of the summer is very rapidly increasing, starting the season at 24% and ending it at 34%.

For reference, the year's highest daily chance of a wet day is 37% on October 27, and its lowest chance is 12% on January 24.

Rainfall

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

The average sliding 31-day rainfall during the summer in Kuril’sk is very rapidly increasing, starting the season at 2.0 inches, when it rarely exceeds 3.2 inches or falls below 1.0 inches, and ending the season at 4.4 inches, when it rarely exceeds 6.6 inches or falls below 2.5 inches.

The highest average 31-day accumulation is 4.4 inches on August 27.

Over the course of the summer in Kuril’sk, the length of the day is very rapidly decreasing. From the start to the end of the season, the length of the day decreases by 2 hours, 6 minutes, implying an average daily decrease of 1 minute, 23 seconds, and weekly decrease of 9 minutes, 41 seconds.

The shortest day of the summer is August 31, with 13 hours, 19 minutes of daylight and the longest day is June 21, with 15 hours, 39 minutes of daylight.

The earliest sunrise of the summer in Kuril’sk is 3:20 AM on June 15 and the latest sunrise is 1 hour, 9 minutes later at 4:28 AM on August 31.

The latest sunset is 7:00 PM on June 26 and the earliest sunset is 1 hour, 13 minutes earlier at 5:47 PM on August 31.

Daylight saving time is not observed in Kuril’sk during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 3:20 AM and sets 15 hours, 39 minutes later, at 6:59 PM, while on December 21, the shortest day of the year, it rises at 6:44 AM and sets 8 hours, 44 minutes later, at 3:28 PM.

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 the summer of 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 Kuril’sk is essentially constant during the summer, remaining around 0% throughout.

For reference, on September 4, the muggiest day of the year, there are muggy conditions 1% 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 Kuril’sk is essentially constant during the summer, remaining within 1.0 miles per hour of 10.4 miles per hour throughout.

For reference, on December 27, the windiest day of the year, the daily average wind speed is 20.1 miles per hour, while on July 26, the calmest day of the year, the daily average wind speed is 9.3 miles per hour.

The lowest daily average wind speed during the summer is 9.3 miles per hour on July 26.

The hourly average wind direction in Kuril’sk throughout the summer is predominantly from the south, with a peak proportion of 46% on August 4.

Kuril’sk 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 Kuril’sk is very rapidly increasing during the summer, rising by 17°F, from 40°F to 57°F, over the course of the season.

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 Kuril’sk typically lasts for 7.0 months (215 days), from around April 24 to around November 24, rarely starting before April 8 or after May 9, and rarely ending before November 8 or after December 11.

The summer in Kuril’sk is reliably fully within 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 Kuril’sk are increasing during the summer, increasing by 396°F, from 0°F to 396°F, over the course of the season.

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 Kuril’sk is essentially constant during the summer, remaining within 0.5 kWh of 5.1 kWh throughout.

The highest average daily incident shortwave solar energy during the summer is 5.6 kWh on July 10.

For the purposes of this report, the geographical coordinates of Kuril’sk are 45.227 deg latitude, 147.878 deg longitude, and 20 ft elevation.

The topography within 2 miles of Kuril’sk contains only modest variations in elevation, with a maximum elevation change of 407 feet and an average elevation above sea level of 80 feet. Within 10 miles contains only modest variations in elevation (5,112 feet). Within 50 miles also contains extreme variations in elevation (5,318 feet).

The area within 2 miles of Kuril’sk is covered by trees (56%) and water (43%), within 10 miles by trees (58%) and water (41%), and within 50 miles by water (91%).