Average Weather in October in Luumäki Finland
Daily high temperatures decrease by 12°F, from 51°F to 39°F, rarely falling below 30°F or exceeding 58°F.
Daily low temperatures decrease by 8°F, from 40°F to 32°F, rarely falling below 21°F or exceeding 49°F.
For reference, on July 22, the hottest day of the year, temperatures in Luumäki typically range from 55°F to 71°F, while on February 4, the coldest day of the year, they range from 13°F to 23°F.
Average High and Low Temperature in October
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on October. 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.
Average Hourly Temperature in October
Laurium, Michigan, United States (4,164 miles away); Rimouski, Canada (3,576 miles); and Pasadena, Canada (3,226 miles) are the far-away foreign places with temperatures most similar to Luumäki (view comparison).
The month of October in Luumäki experiences rapidly increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 62% to 76%.
The clearest day of the month is October 1, with clear, mostly clear, or partly cloudy conditions 38% of the time.
For reference, on January 23, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 82%, while on July 18, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 58%.
Cloud Cover Categories in October
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Luumäki, the chance of a wet day over the course of October is gradually increasing, starting the month at 29% and ending it at 31%.
For reference, the year's highest daily chance of a wet day is 33% on July 7, and its lowest chance is 17% on March 2.
Over the course of October in Luumäki, the chance of a day with only rain decreases from 28% to 25%, the chance of a day with mixed snow and rain increases from 0% to 3%, and the chance of a day with only snow increases from 0% to 2%.
Probability of Precipitation in October
The average sliding 31-day rainfall during October in Luumäki is gradually decreasing, starting the month at 2.1 inches, when it rarely exceeds 3.8 inches or falls below 0.6 inches, and ending the month at 1.8 inches, when it rarely exceeds 3.4 inches or falls below 0.7 inches.
Average Monthly Rainfall in October
We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. As with rainfall, we consider the liquid-equivalent snowfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day liquid-equivalent snowfall during October in Luumäki is essentially constant, remaining about 0.1 inches throughout, and rarely exceeding 0.8 inches or falling below -0.0 inches.
Average Monthly Liquid-Equivalent Snowfall in October
Over the course of October in Luumäki, the length of the day is very rapidly decreasing. From the start to the end of the month, the length of the day decreases by 2 hours, 47 minutes, implying an average daily decrease of 5 minutes, 34 seconds, and weekly decrease of 38 minutes, 55 seconds.
The shortest day of the month is October 31, with 8 hours, 39 minutes of daylight and the longest day is October 1, with 11 hours, 25 minutes of daylight.
Hours of Daylight and Twilight in October
The earliest sunrise of the month in Luumäki is 7:15 AM on October 1 and the latest sunrise is 1 hour, 15 minutes later at 8:30 AM on October 30.
The latest sunset is 6:41 PM on October 1 and the earliest sunset is 2 hours, 29 minutes earlier at 4:12 PM on October 31.
Daylight saving time (DST) ends at 3:00 AM on October 31, 2021, shifting sunrise and sunset to be an hour earlier.
For reference, on June 21, the longest day of the year, the Sun rises at 3:34 AM and sets 19 hours, 15 minutes later, at 10:48 PM, while on December 21, the shortest day of the year, it rises at 9:21 AM and sets 5 hours, 33 minutes later, at 2:54 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in October
The figure below presents a compact representation of key lunar data for October 2021. 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.
Moon Rise, Set & Phases in October
The chance that a given day will be muggy in Luumäki is essentially constant during October, remaining around 0% throughout.
For reference, on July 28, the muggiest day of the year, there are muggy conditions 2% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in October
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Luumäki is essentially constant during October, remaining within 0.1 miles per hour of 6.7 miles per hour throughout.
For reference, on December 15, the windiest day of the year, the daily average wind speed is 7.0 miles per hour, while on July 22, the calmest day of the year, the daily average wind speed is 5.6 miles per hour.
The highest daily average wind speed during October is 6.8 miles per hour on October 20.
Average Wind Speed in October
The hourly average wind direction in Luumäki throughout October is predominantly from the south, with a peak proportion of 36% on October 16.
Wind Direction in October
Luumäki 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 Luumäki is rapidly decreasing during October, falling by 7°F, from 53°F to 46°F, over the course of the month.
Average Water Temperature in October
The growing season in Luumäki typically lasts for 4.9 months (151 days), from around May 7 to around October 5, rarely starting before April 19 or after May 25, and rarely ending before September 16 or after October 25.
During October in Luumäki, the chance that a given day is within the growing season is very rapidly decreasing falling from 61% to 4% over the course of the month.
Time Spent in Various Temperature Bands and the Growing Season in October
The average accumulated growing degree days in Luumäki are essentially constant during October, remaining within 5°F of 1,261°F throughout.
Growing Degree Days in October
The average daily incident shortwave solar energy in Luumäki is decreasing during October, falling by 1.2 kWh, from 1.9 kWh to 0.6 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in October
For the purposes of this report, the geographical coordinates of Luumäki are 60.926 deg latitude, 27.581 deg longitude, and 328 ft elevation.
The topography within 2 miles of Luumäki contains only modest variations in elevation, with a maximum elevation change of 144 feet and an average elevation above sea level of 281 feet. Within 10 miles also contains only modest variations in elevation (272 feet). Within 50 miles contains only modest variations in elevation (591 feet).
The area within 2 miles of Luumäki is covered by trees (64%), cropland (16%), and artificial surfaces (12%), within 10 miles by trees (76%) and water (14%), and within 50 miles by trees (60%) and water (29%).
This report illustrates the typical weather in Luumäki, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Luumäki.
For each station, the records are corrected for the elevation difference between that station and Luumäki according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Luumäki is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Luumäki and a given station.
Time zones for airports and weather stations are provided by AskGeo.com .