Tornio Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Tornio, Lapland, Finland. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Now, let's break down all the details for a clearer picture.

On average, Tornio receives a reasonable amount of rain/snowfall, with an annual precipitation of 727 mm (29 in).

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm (0.01 in))

The amount of precipitation varies moderately throughout the year. The wettest month, August, sees around 75 mm (3 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, April, still receives a respectable 39 mm (1.5 in) of snow/rainfall.

August, the wettest month, has a maximum daytime temperature of 18°C (64°F). During the driest month April you can expect a temperature of 4°C (39°F). For more detailed insights into the city's temperatures, visit our Tornio Temperature page.

Annual Rainfall in Finland: City Comparison

The map below shows the annual precipitation across Finland. You can also select the different months in case you are interested in a specific month.

Annual

Annual

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Legend

heavy rainfall

high

moderate

low

almost none

Heavy annual rainfall has been defined as more than 1000 mm (39 in) precipitation. High: 600 mm (24 in) to 1000 mm (39 in). Moderate: 250 mm (9.8 in) to 600 mm (24 in). Low: less than 250 mm (9.8 in).

Tornio vs World: Rainfall Compared

Tornio's average annual precipitation is 727 mm (29 in). Let's compare this to some popular worldwide tourist destinations:

In Lisbon, Portugal, the average annual precipitation is 774 mm (30 in), characterized by wet winters and dry summers typical of the Mediterranean climate.

In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.

Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.

Bangkok, Thailand, experiences a tropical monsoon climate with 1668 mm (66 in) of annual rainfall, with the heaviest precipitation occurring during September and October.

How is Precipitation Measured?

Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.

Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.

Rainy Seasons: Many parts of the world have well-defined wet seasons where precipitation is distinctly higher. These are normally accompanied by lush vegetation and temperature patterns.

Dry Seasons: In areas where the climate is either desert or Mediterranean, the amount of precipitation is drastically reduced, leading to a shortage of water and arid conditions.

Interesting weather facts

Mawsynram in India is noted as being the wettest place on earth, with over 11 meters (36 feet) of rain falling every year.
In contrast, Antofagasta in Chile is among the driest places on the planet, getting less than 0.1mm (0.004 inches) per year, with some years recording virtually no rainfall.
Nearly 1,650 thunderstorm cells are estimated over the planet at any given time.

For more detailed information about Tornio's weather, including sunshine hours, humidity levels, and temperature data, visit our Tornio Climate page.

Current rainfall in Tornio

10-Day Forecast