June Weather in Mountain View, United States

Last updated: June 24, 2025

In June, the average temperature in Mountain View, United States hovers around 25°C (77°F). You'll experience a range from a cool 12°C (54°F) to a sweltering 38°C (100°F), making it essential to prepare for fluctuating conditions. Precipitation averages 100 mm (3.9 in) over approximately 12 days, contributing to an average humidity of 83%. Embrace the warmth while staying hydrated!

June Temperature in Mountain View

In June in Mountain View, the average temperature is 25°C (77°F). Maximums can reach 38°C (100°F), while minimums can drop as low as 12°C (54°F). This makes Mountain View a great destination for travelers seeking warm weather while still being prepared for cooler evenings.

June Weather in Mountain View: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Mountain View, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mountain View, June typically has an average temperature of 25°C (77°F), with highs reaching up to 38°C (100°F) and lows dropping to around 12°C (54°F).

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

June Precipitation in Mountain View

In Mountain View in June, the precipitation amount is 100 mm (3.9 in) over the course of 12 days.

June Precipitation Trends in Mountain View

The chart displays monthly precipitation patterns in Mountain View, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Mountain View, June typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 12 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

June Humidity in Mountain View

In Mountain View in June humidity is 83%. With an average temperature of 25°C (77°F), this humidity feels like a warm, enveloping blanket, making it essential for travelers to stay hydrated and seek shade to enjoy their adventures comfortably.

June Average Humidity in Mountain View

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

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

June UV Index in Mountain View

In Mountain View in June, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Mountain View.

Maximum UV Index Levels in Mountain View for June

The chart shows the monthly maximum UV Index (UVI) for Mountain View in June, 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 June, the maximum UV index in Mountain View typically reaches 11, which falls under the extreme exposure category.

Data source: Mountain View June 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 June Weather in Mountain View Compares to Other Months

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

This table compares monthly weather conditions in Mountain View, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	78 mm (3.1 inches)	84%	moderate
February Weather	6°C (42°F)	131 mm (5.2 inches)	83%	high
March Weather	11°C (53°F)	137 mm (5.4 inches)	81%	very high
April Weather	15°C (59°F)	144 mm (5.7 inches)	81%	very high
May Weather	20°C (69°F)	174 mm (6.9 inches)	83%	extreme
June Weather	25°C (77°F)	100 mm (3.9 inches)	83%	extreme
July Weather	27°C (81°F)	89 mm (3.5 inches)	81%	extreme
August Weather	26°C (79°F)	116 mm (4.6 inches)	74%	very high
September Weather	23°C (75°F)	82 mm (3.2 inches)	71%	very high
October Weather	17°C (62°F)	103 mm (4.1 inches)	76%	high
November Weather	9°C (49°F)	77 mm (3.0 inches)	84%	moderate
December Weather	7°C (45°F)	97 mm (3.8 inches)	88%	moderate