August Weather in Janakkala, Finland

Last updated: August 23, 2025

In August, the average temperature in Janakkala, Finland is 16°C (61°F). Visitors can expect a range from a cool 5°C (42°F) to a warm 30°C (86°F). With 80 mm (3.2 in) of precipitation spread over about 13 days, it's wise to be prepared for some rain. Plus, with an average humidity of 83%, the air can feel quite muggy—perfect for enjoying the local culture indoors!

August Temperature in Janakkala

In August in Janakkala, the average temperature is 16°C (61°F). The maximum can reach 30°C (86°F), and the minimum can be as low as 5°C (42°F). This mild climate makes Janakkala a pleasant destination for travelers seeking both warm days and cooler evenings.

August Weather in Janakkala: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Janakkala, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Janakkala, August typically has an average temperature of 16°C (61°F), with highs reaching up to 30°C (86°F) and lows dropping to around 5°C (42°F).

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

August Precipitation in Janakkala

In Janakkala in August, the precipitation amount is 80 mm (3.2 in) spread over 13 days.

August Precipitation Trends in Janakkala

The chart displays monthly precipitation patterns in Janakkala, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Janakkala, August typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 13 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Janakkala

In Janakkala in August, humidity is 83%. With an average temperature of 16°C (61°F), this humidity feels like a warm, muggy blanket wrapping around you, making travel a bit sticky and potentially uncomfortable as you navigate through the sights.

August Average Humidity in Janakkala

This chart illustrates the average monthly humidity levels in Janakkala, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Janakkala is approximately 83%, offering insight into how humid the weather typically is during this month.

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

August UV Index in Janakkala

In Janakkala in August, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Janakkala.

Maximum UV Index Levels in Janakkala for August

The chart shows the monthly maximum UV Index (UVI) for Janakkala in August, 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 August, the maximum UV index in Janakkala typically reaches 5, which falls under the moderate exposure category.

Data source: Janakkala August 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 August Weather in Janakkala Compares to Other Months

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

This table compares monthly weather conditions in Janakkala, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	48 mm (1.9 inches)	97%	low
February Weather	-5°C (24°F)	41 mm (1.6 inches)	95%	low
March Weather	-2°C (29°F)	43 mm (1.7 inches)	93%	moderate
April Weather	3°C (38°F)	46 mm (1.8 inches)	86%	moderate
May Weather	10°C (50°F)	60 mm (2.4 inches)	75%	moderate
June Weather	16°C (61°F)	71 mm (2.8 inches)	75%	high
July Weather	17°C (63°F)	85 mm (3.4 inches)	80%	high
August Weather	16°C (61°F)	80 mm (3.2 inches)	83%	moderate
September Weather	11°C (52°F)	65 mm (2.6 inches)	90%	moderate
October Weather	6°C (43°F)	75 mm (2.9 inches)	93%	low
November Weather	2°C (36°F)	52 mm (2.1 inches)	94%	low
December Weather	-2°C (29°F)	63 mm (2.5 inches)	95%	low