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
April
Weather in April
Temperature
April signals a shift in the average high-temperature, moving from March's freezing cold -0.1°C (31.8°F) to a frosty 6.6°C (43.9°F). Nappa, in April, witnesses an average low-temperature of 0.2°C (32.4°F).Humidity
In April, the average relative humidity is 80%.Rainfall
The month with the least rainfall is April, when the rain falls for 11.8 days and typically collects 25mm (0.98") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Nappa, during April, snow falls for 7.2 days and regularly aggregates up to 47mm (1.85") of snow. Throughout the year, there are 104.4 snowfall days, and 1089mm (42.87") of snow is accumulated.Daylight
The average length of the day in April is 14h and 43min.On the first day of the month, sunrise is at 06:35 and sunset at 19:59. On the last day of April, sunrise is at 05:07 and sunset at 21:13 EEST.
Sunshine
In Nappa, the average sunshine in April is 6h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In April, the maximum UV index of 3 suggests this advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in April?
What is the average humidity in April?
What is the driest month?
How many days does it rain in April?
How many days does it snow in April?
What is the average length of the day in April?
When are sunrise and sunset in April in Nappa?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Nappa, Finland
- Average high temperature in April: 6.6°C
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in April: 0.2°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).
Average pressure in April
Nappa, Finland
- Average pressure in April: 1013.2mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed in April
Nappa, Finland
- Average wind speed in April: 11.5km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in April
Nappa, Finland
- Average humidity in April: 80%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (68%).
Average rainfall in April
Nappa, Finland
- Average rainfall in April: 25mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in April
Nappa, Finland
- Average rainfall days in April: 11.8 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in April
Nappa, Finland
- Average snowfall in April: 47mm
The month with the highest snowfall is February (231mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Nappa, Finland
- Average snowfall days in April: 7.2 days
The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Nappa, Finland
- Average daylight in April: 14h and 4min
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 48min).
- Average sunshine in April: 6h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).
Average sunshine days in April
Nappa, Finland
- Average sunshine days in April: 10.8 days
The month with the most sunshine days is May (17.3 days).
The month with the least sunshine days is December (5.5 days).
Average UV index in April
Nappa, 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
Nappa, Finland
- Average cloud cover in April: 61
The months with the most cloud cover are January and February (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in April
Nappa, Finland
- Average visibility in April: 8km
The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are January, February and March (6km).
