Last updated: August 23, 2025
In April, the average temperature in Somero, Finland is a brisk 4°C (39°F). Expect a minimum temperature of -13°C (10°F) and the possibility of reaching a pleasant 21°C (69°F). Be prepared for 39 mm (1.5 in) of precipitation spread over 11 days, with an average humidity of 86%.
In April in Somero, the average temperature is 4°C (39°F), with maximums potentially reaching 21°C (69°F) and minimums dropping as low as -13°C (10°F). This makes it essential for travelers to prepare for a wide range of weather, from cool days to chilly nights.
In Somero in April, the precipitation amount is 39 mm (1.5 in) over the course of 11 days.
In Somero in April humidity is 86%. With an average temperature of 4°C (39°F), this humidity feels like a chilly mist enveloping you, making it essential to bundle up while exploring, as each breath comes with a damp chill that can be quite refreshing yet starkly invigorating for travelers.
In Somero 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 Somero for better planning.
UV Risk Categories
Weather in Somero varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Somero, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -3°C (27°F) | 51 mm (2.0 inches) | 97% | low |
February Weather | -4°C (25°F) | 45 mm (1.8 inches) | 95% | low |
March Weather | -1°C (30°F) | 49 mm (1.9 inches) | 93% | moderate |
April Weather | 4°C (39°F) | 39 mm (1.5 inches) | 86% | moderate |
May Weather | 10°C (50°F) | 59 mm (2.3 inches) | 75% | moderate |
June Weather | 16°C (62°F) | 56 mm (2.2 inches) | 75% | high |
July Weather | 18°C (64°F) | 81 mm (3.2 inches) | 80% | high |
August Weather | 16°C (61°F) | 84 mm (3.3 inches) | 83% | moderate |
September Weather | 11°C (53°F) | 59 mm (2.3 inches) | 90% | moderate |
October Weather | 6°C (44°F) | 79 mm (3.1 inches) | 93% | low |
November Weather | 3°C (37°F) | 54 mm (2.1 inches) | 94% | low |
December Weather | -1°C (30°F) | 68 mm (2.7 inches) | 95% | low |