August weather forecast
West Menlo Park, CA

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Weather in August

The last month of the summer, August, is also an agreeable month in West Menlo Park, California, with an average temperature varying between 73°F (22.8°C) and 56.7°F (13.7°C).

Temperature

August is the month when West Menlo Park's temperatures reach their peak, with averages of 73°F (22.8°C) and lows of 56.7°F (13.7°C).

Humidity

In West Menlo Park, the average relative humidity in August is 74%.

Rainfall

In August, the rain falls for 1 days. Throughout August, 0.08" (2mm) of precipitation is accumulated. Throughout the year, there are 57.5 rainfall days, and 4.76" (121mm) of precipitation is accumulated.

Daylight

In West Menlo Park, the average length of the day in August is 13h and 33min.
On the first day of the month, sunrise is at 6:13 am and sunset at 8:16 pm. On the last day of August, sunrise is at 6:39 am and sunset at 7:38 pm PDT.

Sunshine

In August, the average sunshine is 11.9h.

UV index

The months with the highest UV index are June through September, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 5 during August, leads to the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

What time of the year is the hottest?

West Menlo Park's temperatures tend to reach their peak averages in August, with a high of 73°F (22.8°C) and a low of 56.7°F (13.7°C).

What is the average August temperature?

The high-temperature, in August, in West Menlo Park, is 73°F (22.8°C), while the low-temperature averages to 56.7°F (13.7°C).

What is the average humidity in August?

The average relative humidity in August is 74%.

How many days does it rain in August?

In West Menlo Park, in August, during 1 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

How many hours of daylight does West Menlo Park have in August?

In West Menlo Park, the average day length in August is 13h and 33min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:13 am and sunset at 8:16 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 West Menlo Park have in August?

The average sunshine duration in August is 11.9h.

What are the months with the highest UV index?

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

What is the UV index reading in August?

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
West Menlo Park, CA

Average temperature in August - West Menlo Park, CA
  • Average high temperature in August: 73°F

The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (55.8°F).

  • Average low temperature in August: 56.7°F

The months with the highest average low temperature are August and September (56.7°F).
The coldest months (with the lowest average low temperature) are January and February (46.4°F).

Average pressure in August
West Menlo Park, CA

Average pressure in August - West Menlo Park, 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
West Menlo Park, CA

Average wind speed in August - West Menlo Park, CA
  • Average wind speed in August: 5.5mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in August
West Menlo Park, CA

Average humidity in August - West Menlo Park, CA
  • Average humidity in August: 74%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is October (68%).

Average rainfall in August
West Menlo Park, CA

Average rainfall in August - West Menlo Park, CA
  • Average rainfall in August: 0.08"

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 August
West Menlo Park, CA

Average rainfall days in August - West Menlo Park, CA
  • Average rainfall days in August: 1 days

The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is June (0.9 days).

Average daylight in August /
Average sunshine in August
West Menlo Park, CA

Average daylight in August / Average sunshine in August - West Menlo Park, CA
  • Average daylight in August: 13h and 4min

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 36min).

  • 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
West Menlo Park, CA

Average sunshine days in August - West Menlo Park, CA
  • Average sunshine days in August: 24.2 days

The months with the most sunshine days are June and July (26.3 days).
The month with the least sunshine days is March (18.3 days).

Average UV index in August
West Menlo Park, CA

Average UV index in August - West Menlo Park, 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
West Menlo Park, CA

Average cloud cover in August - West Menlo Park, CA
  • Average cloud cover in August: 11

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 9).

Average visibility in August
West Menlo Park, CA

Average visibility in August - West Menlo Park, 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).

West Menlo Park, California, USA

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