July weather forecast
Penryn, CA

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Weather in July

July is a hot summer month in Penryn, California, with an average temperature ranging between min 60.6°F (15.9°C) and max 91.9°F (33.3°C).

Temperature

Penryn notes the warmest temperatures in July, with a high average of 91.9°F (33.3°C) and a low of 60.6°F (15.9°C).

Humidity

The least humid month is July, with an average relative humidity of 38%.

Rainfall

The months with the least rainfall are July and August Rain falls for 1 days and accumulates 0.04" (1mm) of rain.

Snowfall

In Penryn, snow does not fall in January, April through November.

Daylight

In July, the average length of the day is 14h and 34min.
On the first day of the month, sunrise is at 5:43 am and sunset at 8:33 pm. On the last day of July, sunrise is at 6:05 am and sunset at 8:16 pm PDT.

Sunshine

The month with the most sunshine is July, with an average of 12.1h of sunshine.

UV index

June and July, with an average maximum UV index of 7, are months with the highest UV index in Penryn. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In July, a daily maximum UV index of 7 leads to the following instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

Penryn experiences its average highest temperatures in July, reaching a peak of 91.9°F (33.3°C) and a minimum of 60.6°F (15.9°C).

How hot does it get in July?

In Penryn, 91.9°F (33.3°C) is the average high-temperature and 60.6°F (15.9°C) is the average low-temperature during July. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in June is evaluated at 84.2°F (29°C).

What is the least humid month?

With an average relative humidity of 38%, July is the least humid month.

What is the average humidity in July?

In July, the average relative humidity is 38%.

What is the driest month?

The months with the least rainfall are July and August Rain falls for 1 days and accumulates 0.04" (1mm) of rain.

How many days does it rain in July in Penryn?

In Penryn, California, in July, during 1 rainfall days, 0.04" (1mm) of precipitation is typically accumulated.

When it does not snow?

January, April through November are months without snowfall in Penryn.

How many hours of daylight does Penryn have in July?

The average day length in July is 14h and 34min.

What time are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:43 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:16 pm PDT.

What month has the most sunshine?

With an average of 12.1h of sunshine, July has the most sunshine of the year.

How long on average sun shines in July?

In July, the average sunshine duration is 12.1h.

When is the highest UV index?

The months with the highest UV index in Penryn are June and July, with an average maximum UV index of 7.

What is the UV index intensity in July?

In July, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Penryn, CA

Average temperature in July - Penryn, CA
  • Average high temperature in July: 91.9°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (53.4°F).

  • Average low temperature in July: 60.6°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is December (39.2°F).

Average pressure in July
Penryn, CA

Average pressure in July - Penryn, CA
  • Average pressure in July: 29.92"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in July
Penryn, CA

Average wind speed in July - Penryn, CA
  • Average wind speed in July: 4.5mph

The windiest months (with the highest average wind speed) are February and March (5.7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in July
Penryn, CA

Average humidity in July - Penryn, CA
  • Average humidity in July: 38%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (38%).

Average rainfall in July
Penryn, CA

Average rainfall in July - Penryn, CA
  • Average rainfall in July: 0.04"

The wettest month (with the highest rainfall) is March (5.63").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in July
Penryn, CA

Average rainfall days in July - Penryn, CA
  • Average rainfall days in July: 1 days

The month with the highest number of rainy days is March (15.4 days).
The month with the least rainy days is July (1 days).

Average snowfall in July
Penryn, CA

Average snowfall in July - Penryn, CA
  • Average snowfall in July: 0"

The month with the highest snowfall is February (1.18").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").

Average snowfall days in July
Penryn, CA

Average snowfall days in July - Penryn, CA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).

Average daylight in July /
Average sunshine in July
Penryn, CA

Average daylight in July / Average sunshine in July - Penryn, CA
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in July: 12h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).

Average sunshine days in July
Penryn, CA

Average sunshine days in July - Penryn, CA
  • Average sunshine days in July: 29.6 days

The month with the most sunshine days is July (29.6 days).
The month with the least sunshine days is March (14.6 days).

Average UV index in July
Penryn, CA

Average UV index in July - Penryn, CA
  • Average UV index in July: 7

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

Average cloud cover in July
Penryn, CA

Average cloud cover in July - Penryn, CA
  • Average cloud cover in July: 4

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in July
Penryn, CA

Average visibility in July - Penryn, CA
  • Average visibility in July: 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).

Penryn, California, USA

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