August weather forecast
Boulder Creek, CA

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Weather in August

August, the last month of the summer in Boulder Creek, is another pleasant month, with an average temperature ranging between min 56.1°F (13.4°C) and max 72.9°F (22.7°C).

Temperature

In Boulder Creek, the month of August registers the highest temperatures, averaging 72.9°F (22.7°C) at the peak and 56.1°F (13.4°C) at the lowest.

Humidity

In Boulder Creek, the average relative humidity in August is 74%.

Rainfall

In Boulder Creek, in August, during 1.4 rainfall days, 0.08" (2mm) of precipitation is typically accumulated. Throughout the year, there are 74.2 rainfall days, and 13.82" (351mm) of precipitation is accumulated.

Daylight

In Boulder Creek, the average length of the day in August is 13h and 32min.
On the first day of the month, sunrise is at 6:14 am and sunset at 8:15 pm. On the last day of August, sunrise is at 6:39 am and sunset at 7:38 pm PDT.

Sunshine

In Boulder Creek, California, the average sunshine in August is 11.9h.

UV index

June through September, with an average maximum UV index of 5, are months with the highest UV index in Boulder Creek. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: During August, 5 as the daily maximum UV index converts into the following advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

What time of the year is the hottest?

August is the warmest month of the year, registering average temperatures as high as 72.9°F (22.7°C) and as low as 56.1°F (13.4°C).

What are August temperatures?

An average high-temperature, in August, in Boulder Creek, is 72.9°F (22.7°C) and the average low-temperature is 56.1°F (13.4°C).

What is the average humidity in August in Boulder Creek?

In August, the average relative humidity is 74%.

How much does it rain in August?

In Boulder Creek, in August, during 1.4 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

How many hours of daylight does Boulder Creek have in August?

In August, the average day length is 13h and 32min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:14 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 7:38 pm PDT.

How many hours of sunshine does Boulder Creek have in August?

In August, the average sunshine duration is 11.9h.

When is the highest UV index?

The months with the highest UV index are June through September, with an average maximum UV index of 5.

How high is the UV index in August?

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Boulder Creek, CA

Average temperature in August - Boulder Creek, CA
  • Average high temperature in August: 72.9°F

The warmest month (with the highest average high temperature) is August (72.9°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in August: 56.1°F

The month with the highest average low temperature is September (56.3°F).
The coldest month (with the lowest average low temperature) is February (46.4°F).

Average pressure in August
Boulder Creek, CA

Average pressure in August - Boulder Creek, CA
  • Average pressure in August: 29.93"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).

Average wind speed in August
Boulder Creek, CA

Average wind speed in August - Boulder Creek, CA
  • Average wind speed in August: 5.8mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in August
Boulder Creek, CA

Average humidity in August - Boulder Creek, CA
  • Average humidity in August: 74%

The month with the highest relative humidity is March (76%).
The months with the lowest relative humidity are October and November (69%).

Average rainfall in August
Boulder Creek, CA

Average rainfall in August - Boulder Creek, CA
  • Average rainfall in August: 0.08"

The wettest month (with the highest rainfall) is February (2.64").
The driest month (with the least rainfall) is July (0.04").

Average rainfall days in August
Boulder Creek, CA

Average rainfall days in August - Boulder Creek, CA
  • Average rainfall days in August: 1.4 days

The month with the highest number of rainy days is March (13.3 days).
The months with the least rainy days are June and August (1.4 days).

Average daylight in August /
Average sunshine in August
Boulder Creek, CA

Average daylight in August / Average sunshine in August - Boulder Creek, CA
  • Average daylight in August: 13h and 3min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

Average sunshine days in August
Boulder Creek, CA

Average sunshine days in August - Boulder Creek, CA
  • Average sunshine days in August: 24.2 days

The month with the most sunshine days is June (27.3 days).
The month with the least sunshine days is March (16.6 days).

Average UV index in August
Boulder Creek, CA

Average UV index in August - Boulder Creek, CA
  • Average UV index in August: 5

The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).

Average cloud cover in August
Boulder Creek, CA

Average cloud cover in August - Boulder Creek, CA
  • Average cloud cover in August: 13

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 11).

Average visibility in August
Boulder Creek, CA

Average visibility in August - Boulder Creek, CA
  • Average visibility in August: 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).

Boulder Creek, California, USA

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