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 sea temperature 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
Weather in May
Temperature
Oulu, Finland, in May sees a temperature change, with average high-temperatures moving from a cold 3.4°C (38.1°F) in April to a cool 11.1°C (52°F). During May, Oulu sees a mean low-temperature of 4.2°C (39.6°F).Humidity
In May, the average relative humidity in Oulu is 71%.Rainfall
In Oulu, Finland, in May, during 11.8 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, in Oulu, there are 117.3 rainfall days, and 434mm (17.09") of precipitation is accumulated.Snowfall
Months with snowfall in Oulu, Finland, are January through May, September through December. May is the last month it regularly snows. During 1.5 snowfall days, in May, Oulu aggregates 23mm (0.91") of snow. Throughout the year, in Oulu, Finland, there are 107.1 snowfall days, and 1131mm (44.53") of snow is accumulated.Sea temperature
In May, the average sea temperature is 2.8°C (37°F).Note: In the course of swimming, this situation is life-threatening and fraught with risk. The severe cold of the water leads to immediate hyperventilation. Wearing a specialized swimsuit is critical to limit thermal injury.
Daylight
In Oulu, the average length of the day in May is 18h and 51min.On the first day of May in Oulu, sunrise is at 04:41 and sunset at 21:49. On the last day of the month, sunrise is at 02:56 and sunset at 23:35 EEST.
Sunshine
In Oulu, the average sunshine in May is 10.1h.UV index
In Oulu, the average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 3 in May transforms into the following instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What are the temperatures in Oulu in May?
What is the average humidity in May in Oulu?
How many days does it rain in May in Oulu?
What is the last month it snows in Oulu?
What is the water temperature in May in Oulu?
What is the average length of the day in May in Oulu?
What time are sunrise and sunset in May in Oulu?
How long on average sun shines in May in Oulu?
How high is the UV index in May in Oulu?
Average temperature in May
Oulu, Finland
- Average high temperature in May: 11.1°C
The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is January (-6.1°C).
- Average low temperature in May: 4.2°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 (-10.6°C).
Average pressure in May
Oulu, Finland
- Average pressure in May: 1014mbar
The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1005.4mbar).
Average wind speed in May
Oulu, Finland
- Average wind speed in May: 12.1km/h
The windiest month (with the highest average wind speed) is November (13.7km/h).
The calmest month (with the lowest average wind speed) is July (10.6km/h).
Average humidity in May
Oulu, Finland
- Average humidity in May: 71%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is June (69%).
Average rainfall in May
Oulu, Finland
- Average rainfall in May: 31mm
The wettest month (with the highest rainfall) is July (59mm).
The driest months (with the least rainfall) are April and September (25mm).
Average rainfall days in May
Oulu, Finland
- Average rainfall days in May: 11.8 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in May
Oulu, Finland
- Average snowfall in May: 23mm
The month with the highest snowfall is March (232mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in May
Oulu, Finland
- Average snowfall days in May: 1.5 days
The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature in May
Oulu, Finland
- Average sea temperature in May: 2.8°C
The best month for swimming (with the highest average sea temperature) is July (16.7°C).
The coldest months (with the lowest average sea temperature) are January and February (-0.6°C).
Average daylight in May /
Average sunshine in May
Oulu, Finland
- Average daylight in May: 18h and 5min
The month with the longest days is June (Average daylight: 21h and 42min).
The month with the shortest days is December (Average daylight: 3h and 54min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 0min).
Average sunshine days in May
Oulu, Finland
- Average sunshine days in May: 16.8 days
The month with the most sunshine days is June (17 days).
The month with the least sunshine days is December (7.4 days).
Average UV index in May
Oulu, Finland
- Average UV index in May: 3
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
Oulu, Finland
- Average cloud cover in May: 49
The month with the most cloud cover is February (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 43).
Average visibility in May
Oulu, Finland
- Average visibility in May: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and March (6km).
Oulu, Finland
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