May weather forecastLahti, Finland
May
Weather in May
May solidifies the prominence of spring, with multiplying daylight hours and multiplying sunshine hours. It witnesses a marked departure from April with the commencement of rainfall, replacing the winter-endowed snow. This changeover is evident as the city's landscape dons a lush green blanketed by wildflowers in plentiful. May is the preamble to the impending summertime with its mild temperatures and blooming landscapes. Despite the lack of snow, people continue their outdoor pursuits, now devoid of thermal attire.Temperature
The onset of May in Lahti, Finland, brings a distinct rise in the average high-temperature, advancing from a frosty 7.2°C (45°F) in April to a refreshing 15.5°C (59.9°F). Lahti observes an average low-temperature of 5.9°C (42.6°F) during May.Humidity
With an average relative humidity of 67%, May is the least humid month in Lahti.Rainfall
In Lahti, in May, during 11.7 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, in Lahti, there are 118.7 rainfall days, and 398mm (15.67") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 1 snowfall days, in May, Lahti aggregates 37mm (1.46") of snow. In Lahti, during the entire year, snow falls for 93.7 days and aggregates up to 918mm (36.14") of snow.Daylight
In May, the average length of the day in Lahti is 17h and 27min.On the first day of May in Lahti, sunrise is at 05:07 and sunset at 21:20. On the last day of the month, sunrise is at 03:56 and sunset at 22:33 EEST.
Sunshine
In May, the average sunshine is 9.3h.UV index
In Lahti, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in May translates into this advice:
Be vigilant - Suggestions to stave off sun damage are provided. To protect against the Sun's most potent rays, avoid direct exposure around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Lahti, Finland
- Average high temperature in May: 15.5°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-4.5°C).
- Average low temperature in May: 5.9°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-8.9°C).
Average pressure in May
Lahti, Finland
- Average pressure in May: 1014.8mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed in May
Lahti, Finland
- Average wind speed in May: 10.5km/h
The windiest month (with the highest average wind speed) is December (12km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in May
Lahti, Finland
- Average humidity in May: 67%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (67%).
Average rainfall in May
Lahti, Finland
- Average rainfall in May: 36mm
The wettest month (with the highest rainfall) is July (46mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in May
Lahti, Finland
- Average rainfall days in May: 11.7 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in May
Lahti, Finland
- Average snowfall in May: 37mm
The month with the highest snowfall is January (196mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in May
Lahti, Finland
- Average snowfall days in May: 1 days
The months with the highest number of snowfall days are January and December (18.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Lahti, Finland
- Average daylight in May: 17h and 24min
The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 42min).
- Average sunshine in May: 9h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in May
Lahti, Finland
- Average sunshine days in May: 17.6 days
The months with the most sunshine days are May and August (17.6 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in May
Lahti, Finland
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in May
Lahti, Finland
- Average cloud cover in May: 46
The months with the most cloud cover are January and February (Cloud cover 81).
The month with the least cloud cover is August (Cloud cover 44).
Average visibility in May
Lahti, Finland
- Average visibility in May: 9km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).
