Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
In Niinisaari, the onset of April comes with an increased average high-temperature, moving from March's freezing cold -0.2°C (31.6°F) to a chilly 6.3°C (43.3°F). Niinisaari's nights in April cool down to an average low-temperature of -0.2°C (31.6°F).Humidity
The average relative humidity in April is 81%.Rainfall
The month with the least rainfall in Niinisaari is April, when the rain falls for 13.9 days and typically collects 32mm (1.26") of precipitation.Snowfall
Months with snowfall in Niinisaari, Finland, are January through May, October through December. In Niinisaari, in April, snow falls for 8.8 days, with typically accumulated 61mm (2.4") of snow. Throughout the year, in Niinisaari, there are 116.2 snowfall days, and 1228mm (48.35") of snow is accumulated.Daylight
In April, the average length of the day is 14h and 47min.On the first day of the month, sunrise is at 06:28 and sunset at 19:53. On the last day of April, sunrise is at 04:58 and sunset at 21:10 EEST.
Sunshine
In April, the average sunshine is 5.7h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
Is April cold in Niinisaari?
What is the average humidity in April in Niinisaari?
What is the driest month in Niinisaari?
How much does it rain in Niinisaari in April?
How many days does it snow in April in Niinisaari?
How many hours of daylight does Niinisaari have in April?
What time are sunrise and sunset in April in Niinisaari?
How long on average sun shines in April in Niinisaari?
How high is the UV index in April in Niinisaari?
Average temperature in April
Niinisaari, Finland
- Average high temperature in April: 6.3°C
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (-4.7°C).
- Average low temperature in April: -0.2°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-8.6°C).
Average pressure in April
Niinisaari, Finland
- Average pressure in April: 1013.1mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in April
Niinisaari, Finland
- Average wind speed in April: 11km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest months (with the lowest average wind speed) are July and August (10.6km/h).
Average humidity in April
Niinisaari, Finland
- Average humidity in April: 81%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (66%).
Average rainfall in April
Niinisaari, Finland
- Average rainfall in April: 32mm
The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (32mm).
Average rainfall days in April
Niinisaari, Finland
- Average rainfall days in April: 13.9 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in April
Niinisaari, Finland
- Average snowfall in April: 61mm
The month with the highest snowfall is January (262mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Niinisaari, Finland
- Average snowfall days in April: 8.8 days
The month with the highest number of snowfall days is January (22.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Niinisaari, Finland
- Average daylight in April: 14h and 5min
The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in April: 5h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).
Average sunshine days in April
Niinisaari, Finland
- Average sunshine days in April: 8.8 days
The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is December (4.7 days).
Average UV index in April
Niinisaari, Finland
- Average UV index in April: 3
The months with the highest UV index are June and 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 April
Niinisaari, Finland
- Average cloud cover in April: 63
The month with the most cloud cover is February (Cloud cover 84).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in April
Niinisaari, Finland
- Average visibility in April: 8km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).
Niinisaari, Finland
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