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
Tretten in April experiences a slight uptick in the average high-temperature, adjusting from March's subzero cold -2°C (28.4°F) to an icy 1.9°C (35.4°F). Tretten, during April, witnesses an average low-temperature of -6.6°C (20.1°F).Humidity
The average relative humidity in April is 91%.Rainfall
In Tretten, during April, the rain falls for 7.3 days and regularly aggregates up to 13mm (0.51") of precipitation. Throughout the year, there are 122 rainfall days, and 286mm (11.26") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Tretten, during April, snow falls for 6.3 days and regularly aggregates up to 33mm (1.3") of snow. In Tretten, during the entire year, snow falls for 74.6 days and aggregates up to 377mm (14.84") of snow.Daylight
In Tretten, the average length of the day in April is 14h and 46min.On the first day of April in Tretten, sunrise is at 06:39 and sunset at 20:05. On the last day of the month, sunrise is at 05:10 and sunset at 21:21 CEST.
Sunshine
The average sunshine in April is 6.1h.UV index
In Tretten, the average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, the average maximum UV index of 2 translates into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in April?
What is the average humidity in April?
How much does it rain in April?
How many days does it snow in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Tretten, Norway
- Average high temperature in April: 1.9°C
The warmest month (with the highest average high temperature) is July (16.8°C).
The month with the lowest average high temperature is January (-7.5°C).
- Average low temperature in April: -6.6°C
The month with the highest average low temperature is July (6.8°C).
The coldest month (with the lowest average low temperature) is January (-13.7°C).
Average pressure in April
Tretten, Norway
- Average pressure in April: 1014.6mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.2mbar).
Average wind speed in April
Tretten, Norway
- Average wind speed in April: 8.8km/h
The windiest month (with the highest average wind speed) is June (10.9km/h).
The calmest months (with the lowest average wind speed) are April and November (8.8km/h).
Average humidity in April
Tretten, Norway
- Average humidity in April: 91%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is June (70%).
Average rainfall in April
Tretten, Norway
- Average rainfall in April: 13mm
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is January (11mm).
Average rainfall days in April
Tretten, Norway
- Average rainfall days in April: 7.3 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in April
Tretten, Norway
- Average snowfall in April: 33mm
The month with the highest snowfall is December (75mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Tretten, Norway
- Average snowfall days in April: 6.3 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Tretten, Norway
- Average daylight in April: 14h and 5min
The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in April: 6h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).
Average sunshine days in April
Tretten, Norway
- Average sunshine days in April: 15.6 days
The months with the most sunshine days are January and October (16.8 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in April
Tretten, Norway
- Average UV index in April: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, October and December (UV index 1).
Average cloud cover in April
Tretten, Norway
- Average cloud cover in April: 58
The months with the most cloud cover are January and February (Cloud cover 61).
The month with the least cloud cover is June (Cloud cover 49).
Average visibility in April
Tretten, Norway
- Average visibility in April: 6km
The months with the highest visibility are June and July (9km).
The months with the lowest visibility are January, March, April and November (6km).
