July Weather in Marttila, Finland

Last updated: August 23, 2025

In July, the average temperature in Marttila, Finland hovers around 18°C (64°F), with a minimum that can drop to 4°C (39°F) and a maximum reaching up to 32°C (90°F). Expect 78 mm (3.1 in) of precipitation over 10 days, accompanied by a relatively high average humidity of 80%. Prepare accordingly for a mix of conditions!

July Temperature in Marttila

In July in Marttila, the average temperature is 18°C (64°F). Maximum can reach 32°C (90°F) and minimum can be as low as 4°C (39°F). This climate makes Marttila a comfortable destination for travelers looking to enjoy a variety of outdoor activities.

July Weather in Marttila: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Marttila, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marttila, July typically has an average temperature of 18°C (64°F), with highs reaching up to 32°C (90°F) and lows dropping to around 4°C (39°F).

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

July Precipitation in Marttila

In Marttila in July, the precipitation amount is 78 mm (3.1 in) over the course of 10 days.

July Precipitation Trends in Marttila

The chart displays monthly precipitation patterns in Marttila, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Marttila, July typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 10 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Marttila

In Marttila in July humidity is 80%. With an average temperature of 18°C (64°F), this humidity feels like a warm, damp blanket wrapping around you, making travel a bit more exhausting as the air thickens and the heat clings to your skin.

July Average Humidity in Marttila

This chart illustrates the average monthly humidity levels in Marttila, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Marttila is approximately 80%, offering insight into how humid the weather typically is during this month.

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

July UV Index in Marttila

In Marttila in July, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Marttila.

Maximum UV Index Levels in Marttila for July

The chart shows the monthly maximum UV Index (UVI) for Marttila in July, 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 July, the maximum UV index in Marttila typically reaches 7, which falls under the high exposure category.

Data source: Marttila July 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 July Weather in Marttila Compares to Other Months

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

This table compares monthly weather conditions in Marttila, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (28°F)	50 mm (2.0 inches)	97%	low
February Weather	-4°C (25°F)	44 mm (1.7 inches)	95%	low
March Weather	-1°C (31°F)	47 mm (1.9 inches)	93%	moderate
April Weather	4°C (39°F)	38 mm (1.5 inches)	86%	moderate
May Weather	10°C (50°F)	55 mm (2.2 inches)	75%	moderate
June Weather	16°C (62°F)	51 mm (2.0 inches)	75%	high
July Weather	18°C (64°F)	78 mm (3.1 inches)	80%	high
August Weather	16°C (61°F)	89 mm (3.5 inches)	83%	moderate
September Weather	12°C (53°F)	58 mm (2.3 inches)	90%	moderate
October Weather	7°C (44°F)	76 mm (3.0 inches)	93%	low
November Weather	3°C (38°F)	53 mm (2.1 inches)	94%	low
December Weather	-1°C (30°F)	69 mm (2.7 inches)	95%	low