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 sees a temperature increase, moving from a subzero cold -1.5°C (29.3°F) in March to an icy 4.3°C (39.7°F). Karttula, during April nights, observes an average temperature of -1.1°C (30°F).Humidity
The average relative humidity in April is 87%.Rainfall
April is the month with the least rainfall. Rain falls for 8.6 days and accumulates 23mm (0.91") of precipitation.Snowfall
January through June, September through December are months with snowfall. In Karttula, Finland, in April, during 8.4 snowfall days, 77mm (3.03") of snow is typically accumulated. Throughout the year, in Karttula, there are 110.8 snowfall days, and 1074mm (42.28") of snow is accumulated.Daylight
In Karttula, the average length of the day in April is 14h and 58min.On the first day of the month, sunrise is at 06:30 and sunset at 20:01. On the last day of April, sunrise is at 04:53 and sunset at 21:24 EEST.
Sunshine
In Karttula, the average sunshine in April is 5h.UV index
In Karttula, the average daily maximum UV index in April is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 2 in April interprets into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Karttula during April?
What is the average humidity in April in Karttula?
What is the driest month in Karttula?
How much does it rain in Karttula in April?
How many days does it snow in April in Karttula?
How many hours of daylight does Karttula have in April?
When are sunrise and sunset in April in Karttula?
How many hours of sunshine does Karttula have in April?
What is the UV index intensity in April in Karttula?
Average temperature in April
Karttula, Finland
- Average high temperature in April: 4.3°C
The warmest month (with the highest average high temperature) is July (20.9°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in April: -1.1°C
The month with the highest average low temperature is July (12.9°C).
The coldest month (with the lowest average low temperature) is January (-9.9°C).
Average pressure in April
Karttula, Finland
- Average pressure in April: 1012.5mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in April
Karttula, Finland
- Average wind speed in April: 11.4km/h
The windiest month (with the highest average wind speed) is November (15km/h).
The calmest month (with the lowest average wind speed) is July (10.9km/h).
Average humidity in April
Karttula, Finland
- Average humidity in April: 87%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is June (68%).
Average rainfall in April
Karttula, Finland
- Average rainfall in April: 23mm
The wettest month (with the highest rainfall) is July (48mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in April
Karttula, Finland
- Average rainfall days in April: 8.6 days
The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in April
Karttula, Finland
- Average snowfall in April: 77mm
The month with the highest snowfall is January (230mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in April
Karttula, Finland
- Average snowfall days in April: 8.4 days
The month with the highest number of snowfall days is January (23.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Karttula, Finland
- Average daylight in April: 15h and 0min
The month with the longest days is June (Average daylight: 20h and 0min).
The month with the shortest days is December (Average daylight: 5h and 0min).
- Average sunshine in April: 5h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 0h and 48min).
Average sunshine days in April
Karttula, Finland
- Average sunshine days in April: 14.7 days
The month with the most sunshine days is May (19.3 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in April
Karttula, Finland
- Average UV index in April: 2
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 April
Karttula, Finland
- Average cloud cover in April: 68
The months with the most cloud cover are January and February (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in April
Karttula, Finland
- Average visibility in April: 7km
The month with the highest visibility is June (10km).
The month with the lowest visibility is February (5km).
