July Weather in Seltjarnarnes, Iceland

Last updated: August 23, 2025

In July, the average temperature in Seltjarnarnes, Iceland hovers around 11°C (53°F). Expect a minimum of 4°C (40°F) and a maximum of 21°C (71°F), providing a pleasant range for outdoor activities. However, be prepared for 75 mm (3.0 in) of precipitation spread over 16 days, resulting in an average humidity level of 86%. Plan accordingly to enjoy your visit!

July Temperature in Seltjarnarnes

In July in Seltjarnarnes, the average temperature is 11°C (53°F). Maximums can reach 21°C (71°F), while minimums can dip as low as 4°C (40°F). This makes Seltjarnarnes a great destination for travelers seeking mild weather with a comfortable range for outdoor activities.

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

The chart illustrates July temperature patterns in Seltjarnarnes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seltjarnarnes, July typically has an average temperature of 11°C (53°F), with highs reaching up to 21°C (71°F) and lows dropping to around 4°C (40°F).

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

July Precipitation in Seltjarnarnes

In Seltjarnarnes in July, the precipitation amount is 75 mm (3.0 in) occurring over the course of 16 days.

July Precipitation Trends in Seltjarnarnes

The chart displays monthly precipitation patterns in Seltjarnarnes, 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 Seltjarnarnes, July typically receives around 75 mm (3.0 inches) of precipitation spread over approximately 16 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 Seltjarnarnes

In Seltjarnarnes in July, humidity is 86%. With an average temperature of 11°C (53°F), this humidity feels like a heavy blanket that dampens the air, making traveling uncomfortable and a bit stifling.

July Average Humidity in Seltjarnarnes

This chart illustrates the average monthly humidity levels in Seltjarnarnes, 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 Seltjarnarnes is approximately 86%, 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 Seltjarnarnes

In Seltjarnarnes in July, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Seltjarnarnes, you can refer to this Hourly UV Index in Seltjarnarnes.

Maximum UV Index Levels in Seltjarnarnes for July

The chart shows the monthly maximum UV Index (UVI) for Seltjarnarnes 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 Seltjarnarnes typically reaches 6, which falls under the high exposure category.

Data source: Seltjarnarnes 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 Seltjarnarnes Compares to Other Months

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

This table compares monthly weather conditions in Seltjarnarnes, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	113 mm (4.5 inches)	96%	low
February Weather	0°C (33°F)	125 mm (4.9 inches)	95%	low
March Weather	1°C (34°F)	103 mm (4.1 inches)	94%	low
April Weather	4°C (40°F)	121 mm (4.8 inches)	87%	moderate
May Weather	7°C (44°F)	113 mm (4.4 inches)	85%	moderate
June Weather	9°C (49°F)	92 mm (3.6 inches)	81%	high
July Weather	11°C (53°F)	75 mm (3.0 inches)	86%	high
August Weather	11°C (52°F)	83 mm (3.3 inches)	88%	moderate
September Weather	8°C (47°F)	164 mm (6.5 inches)	92%	moderate
October Weather	5°C (42°F)	96 mm (3.8 inches)	93%	low
November Weather	2°C (35°F)	105 mm (4.1 inches)	94%	low
December Weather	0°C (33°F)	106 mm (4.2 inches)	95%	low