April Weather in Sem, Norway

Last updated: August 27, 2025

In April, the average temperature in Sem, Norway hovers around 6°C (43°F). Expect chilly days, with temperatures dipping as low as -6°C (21°F) and reaching a maximum of 20°C (67°F). Throughout the month, you can anticipate 37 mm (1.5 in) of precipitation over about 5 days, contributing to an average humidity level of a balmy 82%.

April Temperature in Sem

In April in Sem, the average temperature is 6°C (43°F). Maximums can reach 20°C (67°F) and minimums can be as low as -6°C (21°F). Be prepared for a range of temperatures, making it essential to pack accordingly for your travels.

April Weather in Sem: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Sem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sem, April typically has an average temperature of 6°C (43°F), with highs reaching up to 20°C (67°F) and lows dropping to around -6°C (21°F).

Data source: Temperature data for Sem generated using information from the Copernicus Climate Change Service.

April Precipitation in Sem

In Sem in April, the precipitation amount is 37 mm (1.5 in) spread over a period of 5 days.

April Precipitation Trends in Sem

The chart displays monthly precipitation patterns in Sem, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Sem, April typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 5 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Sem

In Sem in April, humidity is 82%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration feel less invigorating and more uncomfortable, as the heavy air can leave you feeling sluggish and fatigued during your travels.

April Average Humidity in Sem

This chart illustrates the average monthly humidity levels in Sem, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Sem is approximately 82%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Sem

In Sem in April, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Sem for better planning.

Maximum UV Index Levels in Sem for April

The chart shows the monthly maximum UV Index (UVI) for Sem in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Sem typically reaches 4, which falls under the moderate exposure category.

Data source: Sem April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How April Weather in Sem Compares to Other Months

Weather in Sem varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Sem, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sem, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (33°F)	75 mm (2.9 inches)	94%	low
February Weather	0°C (32°F)	80 mm (3.1 inches)	92%	low
March Weather	2°C (36°F)	77 mm (3.0 inches)	89%	moderate
April Weather	6°C (43°F)	37 mm (1.5 inches)	82%	moderate
May Weather	11°C (52°F)	79 mm (3.1 inches)	73%	moderate
June Weather	16°C (61°F)	90 mm (3.6 inches)	71%	high
July Weather	18°C (64°F)	93 mm (3.7 inches)	72%	high
August Weather	17°C (62°F)	90 mm (3.5 inches)	77%	moderate
September Weather	13°C (56°F)	138 mm (5.4 inches)	86%	moderate
October Weather	9°C (48°F)	155 mm (6.1 inches)	92%	low
November Weather	4°C (40°F)	128 mm (5.1 inches)	93%	low
December Weather	1°C (34°F)	127 mm (5.0 inches)	93%	low