June weather forecastRochester, CA

June

Weather in June

The first month of the summer, June, is still a warm month in Rochester, California, with an average temperature fluctuating between 58.6°F (14.8°C) and 84.7°F (29.3°C).

Temperature

Rochester perceives a slight temperature ascent during June, with average high-temperatures adjusting from a warm 76.6°F (24.8°C) in May to a still moderately hot 84.7°F (29.3°C). In Rochester, a significant divergence from daytime highs is recorded, with average lows of 58.6°F (14.8°C) during June nights.

Heat index

The heat index for June is estimated at a hot 86°F (30°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

In Rochester, the average relative humidity in June is 50%.

Rainfall

The month with the least rainfall in Rochester is June, when the rain falls for 0.9 days and typically collects 0.04" (1mm) of precipitation.

Snowfall

In Rochester, snow does not fall in January, March through December.

Daylight

June has the longest days of the year in Rochester, with an average of 14h and 24min of daylight.
On the first day of the month, sunrise is at 5:39 am and sunset at 7:56 pm. On the last day of June, in Rochester, sunrise is at 5:42 am and sunset at 8:05 pm PDT.

Sunshine

In Rochester, California, the average sunshine in June is 12h.

UV index

In Rochester, California, the average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 6 in June translates into this advice:
Shield from overexposure. Defense against sun-related harm is required. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In June, in Rochester, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 58.6°F (14.8°C). In June, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is estimated at 86°F (30°C).

In Rochester, the average relative humidity in June is 50%.

June is the month with the least rainfall in Rochester, California. Rain falls for 0.9 days and accumulates 0.04" (1mm) of precipitation.

In June, in Rochester, the rain falls for 0.9 days. Throughout June, 0.04" (1mm) of precipitation is accumulated.

January, March through December are months without snowfall in Rochester.

With an average of 14h and 24min of daylight, June has the longest days of the year in Rochester.

In Rochester, California, the average day length in June is 14h and 23min.

On the first day of June in Rochester, California, sunrise is at 5:39 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:05 pm PDT.

In Rochester, California, the average sunshine duration in June is 12h.

The average daily maximum UV index in June in Rochester is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Rochester, CA

  • Average high temperature in June: 84.7°F

The warmest month (with the highest average high temperature) is August (91.8°F).
The month with the lowest average high temperature is December (61.7°F).

  • Average low temperature in June: 58.6°F

The month with the highest average low temperature is August (66.6°F).
The coldest months (with the lowest average low temperature) are February and December (45.3°F).

Average pressure in June
Rochester, CA

  • Average pressure in June: 29.86"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in June
Rochester, CA

  • Average wind speed in June: 5.5mph

The windiest month (with the highest average wind speed) is May (5.9mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

Average humidity in June
Rochester, CA

  • Average humidity in June: 50%

The months with the highest relative humidity are February, March and May (53%).
The month with the lowest relative humidity is August (41%).

Average rainfall in June
Rochester, CA

  • Average rainfall in June: 0.04"

The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in June
Rochester, CA

  • Average rainfall days in June: 0.9 days

The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (0.9 days).

Average snowfall days in June
Rochester, CA

  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in June /
Average sunshine in June
Rochester, CA

  • Average daylight in June: 14h and 24min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in June: 12h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 54min).

Average sunshine days in June
Rochester, CA

  • Average sunshine days in June: 28.3 days

The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (22.8 days).

Average UV index in June
Rochester, CA

  • Average UV index in June: 6

The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in June
Rochester, CA

  • Average cloud cover in June: 7

The months with the most cloud cover are February and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).

Average visibility in June
Rochester, CA

  • Average visibility in June: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).