June weather forecast
Riverdale, CA

Weather in June

June, the first month of the summer in Riverdale, is a hot month, with an average temperature ranging between min 63.3°F (17.4°C) and max 94.6°F (34.8°C).

Temperature

In Riverdale, the average high-temperature in June increases from a moderately hot 82.8°F (28.2°C) in May to a hot 94.6°F (34.8°C). The average low-temperature, in June, is 63.3°F (17.4°C).

Humidity

In June, the average relative humidity in Riverdale is 34%.

Rainfall

In Riverdale, during June, the rain falls for 1.3 days and regularly aggregates up to 0.12" (3mm) of precipitation. Throughout the year, there are 58.2 rainfall days, and 9.29" (236mm) of precipitation is accumulated.

Daylight

With an average of 14h and 37min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 5:42 am and sunset at 8:12 pm. On the last day of June, in Riverdale, sunrise is at 5:44 am and sunset at 8:21 pm PDT.

Sunshine

The months with the most sunshine are June and July, with an average of 12.1h of sunshine.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index in Riverdale. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 in June interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in June in Riverdale?

The average relative humidity in June in Riverdale is 34%.

How many days does it rain in June in Riverdale?

In June, in Riverdale, California, the rain falls for 1.3 days. Throughout June, 0.12" (3mm) of precipitation is accumulated.

When are the longest days in Riverdale?

The month with the longest days in Riverdale, California, is June, with an average of 14h and 37min of daylight.

How many hours of daylight does Riverdale have in June?

In Riverdale, the average day length in June is 14h and 37min.

What time are sunrise and sunset in June in Riverdale?

On the first day of June in Riverdale, sunrise is at 5:42 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:21 pm PDT.

What is the month with the most sunshine in Riverdale?

The months with the most sunshine in Riverdale, California, are June and July, with an average of 12.1h of sunshine.

How long on average sun shines in June in Riverdale?

In June, the average sunshine duration in Riverdale is 12.1h.

What are the months with the highest UV index in Riverdale?

June through August, with an average maximum UV index of 7, are months with the highest UV index.

How high is the UV index in June in Riverdale?

In Riverdale, California, the average daily maximum UV index in June is 7. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.

Average temperature in June
Riverdale, CA

Average temperature in June - Riverdale, CA
  • Average high temperature in June: 94.6°F

The warmest month (with the highest average high temperature) is July (102.2°F).
The month with the lowest average high temperature is December (57.2°F).

  • Average low temperature in June: 63.3°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is December (43°F).

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Average pressure in June
Riverdale, CA

Average pressure in June - Riverdale, CA
  • Average pressure in June: 29.89"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in June
Riverdale, CA

Average wind speed in June - Riverdale, CA
  • Average wind speed in June: 7.1mph

The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest months (with the lowest average wind speed) are January and November (4.8mph).

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Average humidity in June
Riverdale, CA

Average humidity in June - Riverdale, CA
  • Average humidity in June: 34%

The months with the highest relative humidity are January and December (66%).
The month with the lowest relative humidity is July (30%).

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Average rainfall in June
Riverdale, CA

Average rainfall in June - Riverdale, CA
  • Average rainfall in June: 0.12"

The wettest months (with the highest rainfall) are January, February and March (1.54").
The driest month (with the least rainfall) is August (0.08").

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Average rainfall days in June
Riverdale, CA

Average rainfall days in June - Riverdale, CA
  • Average rainfall days in June: 1.3 days

The month with the highest number of rainy days is March (9.6 days).
The month with the least rainy days is August (0.8 days).

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

Average daylight in June / Average sunshine in June - Riverdale, CA
  • Average daylight in June: 14h and 37min

The month with the longest days is June (Average daylight: 14h and 37min).
The month with the shortest days is December (Average daylight: 9h and 43min).

  • Average sunshine in June: 12.1h

The months with the most sunshine are June and July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.4h).

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Average sunshine days in June
Riverdale, CA

Average sunshine days in June - Riverdale, CA
  • Average sunshine days in June: 27.9 days

The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is February (19.4 days).

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Average UV index in June
Riverdale, CA

Average UV index in June - Riverdale, CA
  • Average UV index in June: 7

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).

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Average cloud cover in June
Riverdale, CA

Average cloud cover in June - Riverdale, CA
  • Average cloud cover in June: 7

The months with the most cloud cover are March and December (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 4).

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Average visibility in June
Riverdale, CA

Average visibility in June - Riverdale, 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).

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