The weather in August in Half Moon Bay

It's hot in August in Half Moon Bay with an average temperature of 33°C. Temperatures this month range from a low of 32°C to a high of 33°C. At night, you can expect temperatures between 26°C and 28°C.

Looking for sun? August isn’t a good month to be in Half Moon Bay. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Half Moon Bay, Cayman Islands. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 34°C in 2023, Half Moon Bay reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 29°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of 16°C to a highest value of 30°C.

Rainfall amount

In August, there is an average of 170 mm of precipitation, spread over 18 days. The wind speed is around 4 Bft, mostly coming from the East.

Daily weather in August for Half Moon Bay

Click on any day in August to get detailed info about the usual weather on that day in Half Moon Bay. Check out the historical temperatures and precipitation over the past 10 years on this day.

August weather comparison

  Half Moon Bay New York
Average temperature 33°C 30°C
Max. temperature 33°C 31°C
Min. temperature 26°C -5°C
Total precipitation 170 mm 79 mm
Rainy days 18 days 13 days

Start of August

The month of August starts in Half Moon Bay with hot temps, averaging around 33°C during the day and nights around 28°C.

Mid August

By mid-August, daytime temps stay steady at around 33°C, with nights around 28°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of August

By the end of August, the average daytime temperature in Half Moon Bay is around 33°C, while nighttime temps are about 28°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

Find affordable trips to Half Moon Bay

UV index

The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Half Moon Bay for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in August in Half Moon Bay, Cayman Islands. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in August in Half Moon Bay

Temperature in August in Half Moon Bay over the years

Precipitation charts

These charts show the average amount of precipitation in August in Half Moon Bay, Cayman Islands. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in August in Half Moon Bay

Total precipitation in August in Half Moon Bay over the years

Daily UV index in August in Half Moon Bay

This chart shows the average daily UV index in August in Half Moon Bay, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in August in Half Moon Bay

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Average weather in Half Moon Bay by month

Click on a month below to see detailed weather info for Half Moon Bay. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.