Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
May's onset brings a clear escalation in the average high-temperature, soaring from an icy 5.1°C (41.2°F) in April to a mild 13.8°C (56.8°F). The mean low-temperature during May nights in Merijärvi, Finland, is a cold 4.3°C (39.7°F).Humidity
The average relative humidity in May is 68%.Rainfall
In Merijärvi, in May, during 11.8 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Merijärvi, during the entire year, the rain falls for 118.8 days and collects up to 391mm (15.39") of precipitation.Snowfall
January through May, October through December are months with snowfall in Merijärvi. May is the last month it regularly snows. During 1.6 snowfall days, in May, Merijärvi aggregates 21mm (0.83") of snow. Throughout the year, there are 108.4 snowfall days, and 1010mm (39.76") of snow is accumulated.Daylight
In May, the average length of the day is 18h and 32min.On the first day of May, sunrise is at 04:50 and sunset at 21:47. On the last day of the month, sunrise is at 03:14 and sunset at 23:24 EEST.
Sunshine
In May, the average sunshine is 9.7h.UV index
In Merijärvi, Finland, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 during May translates into the following guidance:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Merijärvi in May?
What is the average humidity in May?
How much does it rain in Merijärvi in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Merijärvi have in May?
How high is the UV index in May?
Average temperature in May
Merijärvi, Finland
- Average high temperature in May: 13.8°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in May: 4.3°C
The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is January (-10°C).
Average pressure in May
Merijärvi, Finland
- Average pressure in May: 1014.2mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1006mbar).
Average wind speed in May
Merijärvi, Finland
- Average wind speed in May: 10.4km/h
The windiest month (with the highest average wind speed) is December (11.5km/h).
The calmest month (with the lowest average wind speed) is July (8.9km/h).
Average humidity in May
Merijärvi, Finland
- Average humidity in May: 68%
The month with the highest relative humidity is January (96%).
The month with the lowest relative humidity is June (67%).
Average rainfall in May
Merijärvi, Finland
- Average rainfall in May: 30mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in May
Merijärvi, Finland
- Average rainfall days in May: 11.8 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in May
Merijärvi, Finland
- Average snowfall in May: 21mm
The month with the highest snowfall is December (200mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Merijärvi, Finland
- Average snowfall days in May: 1.6 days
The month with the highest number of snowfall days is January (21.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Merijärvi, Finland
- Average daylight in May: 18h and 3min
The month with the longest days is June (Average daylight: 21h and 0min).
The month with the shortest days is December (Average daylight: 4h and 18min).
- Average sunshine in May: 9h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).
Average sunshine days in May
Merijärvi, Finland
- Average sunshine days in May: 17.2 days
The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is December (8.5 days).
Average UV index in May
Merijärvi, 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
Merijärvi, Finland
- Average cloud cover in May: 49
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in May
Merijärvi, Finland
- Average visibility in May: 9km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (5km).
