Average Weather in May in Virojoki Finland
Daily high temperatures increase by 10°F, from 51°F to 60°F, rarely falling below 41°F or exceeding 72°F.
Daily low temperatures increase by 10°F, from 36°F to 46°F, rarely falling below 29°F or exceeding 53°F.
For reference, on July 24, the hottest day of the year, temperatures in Virojoki typically range from 57°F to 70°F, while on February 7, the coldest day of the year, they range from 17°F to 26°F.
Average High and Low Temperature in May
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on May. 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 May
The month of May in Virojoki experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 56% to 47%.
The clearest day of the month is May 30, with clear, mostly clear, or partly cloudy conditions 53% of the time.
For reference, on January 23, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 80%, 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 May
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 Virojoki, the chance of a wet day over the course of May is gradually increasing, starting the month at 20% and ending it at 23%.
For reference, the year's highest daily chance of a wet day is 34% on October 22, and its lowest chance is 18% on March 2.
Over the course of May in Virojoki, the chance of a day with only rain increases from 19% to 23%, the chance of a day with mixed snow and rain remains an essentially constant 1% throughout, and the chance of a day with only snow remains an essentially constant 0% throughout.
Probability of Precipitation in May
The average sliding 31-day rainfall during May in Virojoki is increasing, starting the month at 1.3 inches, when it rarely exceeds 2.7 inches or falls below 0.4 inches, and ending the month at 1.9 inches, when it rarely exceeds 3.4 inches or falls below 0.6 inches.
Average Monthly Rainfall in May
Over the course of May in Virojoki, the length of the day is very rapidly increasing. From the start to the end of the month, the length of the day increases by 2 hours, 20 minutes, implying an average daily increase of 4 minutes, 41 seconds, and weekly increase of 32 minutes, 45 seconds.
The shortest day of the month is May 1, with 16 hours, 7 minutes of daylight and the longest day is May 31, with 18 hours, 27 minutes of daylight.
Hours of Daylight and Twilight in May
The latest sunrise of the month in Virojoki is 5:03 AM on May 1 and the earliest sunrise is 1 hour, 10 minutes earlier at 3:54 AM on May 31.
The earliest sunset is 9:10 PM on May 1 and the latest sunset is 1 hour, 11 minutes later at 10:21 PM on May 31.
Daylight saving time is observed in Virojoki during 2021, but it neither starts nor ends during May, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 3:38 AM and sets 19 hours, 6 minutes later, at 10:43 PM, while on December 21, the shortest day of the year, it rises at 9:16 AM and sets 5 hours, 41 minutes later, at 2:57 PM.
Sunrise & Sunset with Twilight in May
The figure below presents a compact representation of key lunar data for May 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 May
The chance that a given day will be muggy in Virojoki is essentially constant during May, 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 May
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Virojoki is essentially constant during May, remaining within 0.1 miles per hour of 7.0 miles per hour throughout.
For reference, on December 11, the windiest day of the year, the daily average wind speed is 10.2 miles per hour, while on July 7, the calmest day of the year, the daily average wind speed is 6.6 miles per hour.
Average Wind Speed in May
The hourly average wind direction in Virojoki throughout May is predominantly from the west, with a peak proportion of 35% on May 31.
Wind Direction in May
Virojoki 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 Virojoki is rapidly increasing during May, rising by 10°F, from 38°F to 47°F, over the course of the month.
Average Water Temperature in May
The growing season in Virojoki typically lasts for 5.5 months (168 days), from around May 3 to around October 18, rarely starting before April 15 or after May 20, and rarely ending before September 29 or after November 6.
During May in Virojoki, the chance that a given day is within the growing season is very rapidly increasing rising from 45% to 99% over the course of the month.
Time Spent in Various Temperature Bands and the Growing Season in May
The average accumulated growing degree days in Virojoki are gradually increasing during May, increasing by 98°F, from 15°F to 113°F, over the course of the month.
Growing Degree Days in May
The average daily incident shortwave solar energy in Virojoki is increasing during May, rising by 1.3 kWh, from 4.7 kWh to 6.0 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in May
For the purposes of this report, the geographical coordinates of Virojoki are 60.579 deg latitude, 27.704 deg longitude, and 26 ft elevation.
The topography within 2 miles of Virojoki contains only modest variations in elevation, with a maximum elevation change of 164 feet and an average elevation above sea level of 47 feet. Within 10 miles also contains only modest variations in elevation (230 feet). Within 50 miles contains only modest variations in elevation (614 feet).
The area within 2 miles of Virojoki is covered by trees (57%), cropland (20%), and artificial surfaces (12%), within 10 miles by trees (65%) and water (19%), and within 50 miles by water (46%) and trees (45%).
This report illustrates the typical weather in Virojoki, 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 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Virojoki.
For each station, the records are corrected for the elevation difference between that station and Virojoki 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 Virojoki is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Virojoki and a given station.
Time zones for airports and weather stations are provided by AskGeo.com .