May weather forecastKalajoki, Finland
May
Weather in May
May, the last month of the spring in Kalajoki, is a chilly month, with an average temperature ranging between max 9.8°C (49.6°F) and min 4.5°C (40.1°F).Temperature
The transition from April to May brings a temperature rise, with average high-temperatures increasing from a cold 3.8°C (38.8°F) to a chilly 9.8°C (49.6°F). Kalajoki, during May, witnesses an average low-temperature of 4.5°C (40.1°F).Humidity
In May, the average relative humidity in Kalajoki is 74%.Rainfall
In Kalajoki, in May, during 10.5 rainfall days, 27mm (1.06") of precipitation is typically accumulated. In Kalajoki, during the entire year, the rain falls for 119.3 days and collects up to 288mm (11.34") of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 1.3 snowfall days, in May, Kalajoki aggregates 7mm (0.28") of snow. In Kalajoki, during the entire year, snow falls for 83 days and aggregates up to 439mm (17.28") of snow.Sea temperature
In Kalajoki, the average seawater temperature in May is 2.3°C (36.1°F).Note: In relation to swimming, the extreme cold, danger, and potential fatality of this situation are apparent. Without suitable insulated waterproof clothing, the onset of hypothermia is quick.
Daylight
In May, the average length of the day in Kalajoki, Finland, is 18h and 32min.On the first day of the month, sunrise is at 04:53 and sunset at 21:49. On the last day of May, in Kalajoki, sunrise is at 03:17 and sunset at 23:26 EEST.
Sunshine
In May, the average sunshine in Kalajoki is 10.7h.UV index
In Kalajoki, the average daily maximum UV index in May is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 3 during May leads to these advisories:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Kalajoki, Finland
- Average high temperature in May: 9.8°C
The warmest month (with the highest average high temperature) is July (18.2°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in May: 4.5°C
The month with the highest average low temperature is July (12.9°C).
The coldest months (with the lowest average low temperature) are January and February (-7.3°C).
Average pressure in May
Kalajoki, 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 (1005.5mbar).
Average wind speed in May
Kalajoki, Finland
- Average wind speed in May: 14.1km/h
The windiest month (with the highest average wind speed) is December (19.2km/h).
The calmest month (with the lowest average wind speed) is July (13.2km/h).
Average humidity in May
Kalajoki, Finland
- Average humidity in May: 74%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is June (72%).
Average rainfall in May
Kalajoki, Finland
- Average rainfall in May: 27mm
The wettest month (with the highest rainfall) is August (39mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in May
Kalajoki, Finland
- Average rainfall days in May: 10.5 days
The month with the highest number of rainy days is August (16.2 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in May
Kalajoki, Finland
- Average snowfall in May: 7mm
The months with the highest snowfall are February and December (85mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Kalajoki, Finland
- Average snowfall days in May: 1.3 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in May
Kalajoki, Finland
- Average sea temperature in May: 2.3°C
The best month for swimming (with the highest average sea temperature) is August (16.3°C).
The coldest month (with the lowest average sea temperature) is April (-0.3°C).
Average daylight in May /
Average sunshine in May
Kalajoki, Finland
- Average daylight in May: 18h and 30min
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: 10h and 42min
The month with the most sunshine is June (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 12min).
Average sunshine days in May
Kalajoki, Finland
- Average sunshine days in May: 17.5 days
The month with the most sunshine days is May (17.5 days).
The month with the least sunshine days is December (10.5 days).
Average UV index in May
Kalajoki, 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, November and December (UV index 1).
Average cloud cover in May
Kalajoki, Finland
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is June (Cloud cover 38).
Average visibility in May
Kalajoki, Finland
- Average visibility in May: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March and April (8km).
