July Weather in Heiloo, Netherlands

Last updated: August 27, 2025

In July, the average temperature in Heiloo, Netherlands is a pleasant 18°C (64°F). Expect a minimum of 11°C (52°F) and a potential peak of 33°C (92°F), making it a season of delightful contrasts. However, be prepared for some rain, with an average precipitation of 73 mm (2.9 in) spread over about 14 days. The air tends to be quite humid, with an average of 80% humidity, adding to the overall tropical feel of the atmosphere. Enjoy your time in this vibrant locale!

July Temperature in Heiloo

In July in Heiloo, the average temperature is 18°C (64°F). The maximum can reach 33°C (92°F), and the minimum can be as low as 11°C (52°F). This makes Heiloo a comfortable and inviting destination for travelers looking to enjoy mild weather while exploring the area.

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

The chart illustrates July temperature patterns in Heiloo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heiloo, July typically has an average temperature of 18°C (64°F), with highs reaching up to 33°C (92°F) and lows dropping to around 11°C (52°F).

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

July Precipitation in Heiloo

In Heiloo in July, the total precipitation amount is 73 mm (2.9 in) over the course of 14 days.

July Precipitation Trends in Heiloo

The chart displays monthly precipitation patterns in Heiloo, 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 Heiloo, July typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 14 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Heiloo

In Heiloo 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 Heiloo

This chart illustrates the average monthly humidity levels in Heiloo, 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 Heiloo 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 Heiloo

In Heiloo in July, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Heiloo.

Maximum UV Index Levels in Heiloo for July

The chart shows the monthly maximum UV Index (UVI) for Heiloo 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 Heiloo typically reaches 8, which falls under the very high exposure category.

Data source: Heiloo 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 Heiloo Compares to Other Months

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

This table compares monthly weather conditions in Heiloo, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	62 mm (2.4 inches)	87%	low
February Weather	5°C (42°F)	71 mm (2.8 inches)	87%	low
March Weather	7°C (44°F)	71 mm (2.8 inches)	86%	moderate
April Weather	9°C (49°F)	43 mm (1.7 inches)	85%	moderate
May Weather	12°C (55°F)	54 mm (2.1 inches)	84%	high
June Weather	17°C (62°F)	74 mm (2.9 inches)	81%	very high
July Weather	18°C (64°F)	73 mm (2.9 inches)	80%	very high
August Weather	18°C (65°F)	99 mm (3.9 inches)	78%	high
September Weather	16°C (60°F)	93 mm (3.7 inches)	83%	moderate
October Weather	13°C (55°F)	115 mm (4.5 inches)	86%	moderate
November Weather	9°C (48°F)	65 mm (2.6 inches)	87%	low
December Weather	6°C (44°F)	105 mm (4.1 inches)	86%	low