Average Weather in May in Lapinlahti Finland
Daily high temperatures increase by 11°F, from 49°F to 60°F, rarely falling below 39°F or exceeding 74°F.
Daily low temperatures increase by 12°F, from 33°F to 44°F, rarely falling below 25°F or exceeding 53°F.
For reference, on July 22, the hottest day of the year, temperatures in Lapinlahti typically range from 55°F to 70°F, while on February 4, the coldest day of the year, they range from 8°F to 20°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 Lapinlahti experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 58% to 50%.
The clearest day of the month is May 27, with clear, mostly clear, or partly cloudy conditions 50% of the time.
For reference, on December 16, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 86%, while on July 19, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 53%.
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 Lapinlahti, the chance of a wet day over the course of May is very rapidly increasing, starting the month at 25% and ending it at 34%.
For reference, the year's highest daily chance of a wet day is 40% on July 29, and its lowest chance is 17% on February 24.
Over the course of May in Lapinlahti, the chance of a day with only rain increases from 22% to 34%, 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 Lapinlahti is rapidly increasing, starting the month at 1.6 inches, when it rarely exceeds 2.7 inches or falls below 0.6 inches, and ending the month at 2.7 inches, when it rarely exceeds 4.5 inches or falls below 1.1 inches.
Average Monthly Rainfall in May
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 May in Lapinlahti is essentially constant, remaining about 0.1 inches throughout, and rarely exceeding 0.3 inches or falling below -0.0 inches.
Average Monthly Liquid-Equivalent Snowfall in May
Over the course of May in Lapinlahti, 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, 56 minutes, implying an average daily increase of 5 minutes, 52 seconds, and weekly increase of 41 minutes, 2 seconds.
The shortest day of the month is May 1, with 16 hours, 41 minutes of daylight and the longest day is May 31, with 19 hours, 37 minutes of daylight.
Hours of Daylight and Twilight in May
The latest sunrise of the month in Lapinlahti is 4:48 AM on May 1 and the earliest sunrise is 1 hour, 27 minutes earlier at 3:20 AM on May 31.
The earliest sunset is 9:29 PM on May 1 and the latest sunset is 1 hour, 28 minutes later at 10:57 PM on May 31.
Daylight saving time is observed in Lapinlahti 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 2:55 AM and sets 20 hours, 33 minutes later, at 11:28 PM, while on December 21, the shortest day of the year, it rises at 9:52 AM and sets 4 hours, 32 minutes later, at 2:24 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 Lapinlahti is essentially constant during May, remaining around 0% throughout.
For reference, on July 27, the muggiest day of the year, there are muggy conditions 2% of the time, while on September 13, 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 Lapinlahti is essentially constant during May, remaining within 0.2 miles per hour of 5.9 miles per hour throughout.
For reference, on March 16, the windiest day of the year, the daily average wind speed is 6.7 miles per hour, while on July 30, the calmest day of the year, the daily average wind speed is 4.8 miles per hour.
Average Wind Speed in May
The wind direction in Lapinlahti during May is predominantly out of the south from May 1 to May 23 and the west from May 23 to May 31.
Wind Direction in May
The growing season in Lapinlahti typically lasts for 4.8 months (147 days), from around May 13 to around October 7, rarely starting before April 26 or after May 29, and rarely ending before September 16 or after October 25.
During May in Lapinlahti, the chance that a given day is within the growing season is very rapidly increasing rising from 19% to 93% 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 Lapinlahti are gradually increasing during May, increasing by 98°F, from 12°F to 109°F, over the course of the month.
Growing Degree Days in May
The average daily incident shortwave solar energy in Lapinlahti is increasing during May, rising by 1.2 kWh, from 4.3 kWh to 5.5 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 Lapinlahti are 63.367 deg latitude, 27.400 deg longitude, and 331 ft elevation.
The topography within 2 miles of Lapinlahti contains only modest variations in elevation, with a maximum elevation change of 253 feet and an average elevation above sea level of 316 feet. Within 10 miles contains only modest variations in elevation (548 feet). Within 50 miles contains significant variations in elevation (951 feet).
The area within 2 miles of Lapinlahti is covered by trees (34%), cropland (26%), artificial surfaces (21%), and water (19%), within 10 miles by trees (71%) and cropland (14%), and within 50 miles by trees (76%) and water (13%).
This report illustrates the typical weather in Lapinlahti, 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 Lapinlahti.
For each station, the records are corrected for the elevation difference between that station and Lapinlahti 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 Lapinlahti is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Lapinlahti and a given station.
Time zones for airports and weather stations are provided by AskGeo.com .