August weather forecast and climate
Annapolis, CA

Weather in August

The last month of the summer, August, is another warm month in Annapolis, California, with average temperature ranging between min 54.1°F (12.3°C) and max 83.5°F (28.6°C).

Temperature

The warmest month is August, with an average high-temperature of 83.5°F (28.6°C) and an average low-temperature of 54.1°F (12.3°C).

Heat index

In August, the average heat index is evaluated at a tropical 87.3°F (30.7°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'felt air temperature', or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, wind, differences in body mass, height, and shape, and clothing affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In August, the average relative humidity is 62%.

Rainfall

Months with the least rainfall in Annapolis are July and August Rain falls for 0.9 days and accumulates 0.04" (1mm) of rain.

Snowfall

In Annapolis snow does not fall in January, March through December.

Daylight

The average length of the day in Annapolis is 13.6h.

Sunshine

Months with the most sunshine in Annapolis are July and August, with an average of 12h of sunshine.

UV index

Months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Annapolis?

With an average high-temperature of 83.5°F (28.6°C) and an average low-temperature of 54.1°F (12.3°C), August is the warmest month in Annapolis, California.

What is the temperature in August in Annapolis?

The average high-temperature, in August, is 83.5°F (28.6°C), while the average low-temperature is 54.1°F (12.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), that combines air temperature and relative humidity, in August is evaluated at 87.3°F (30.7°C).

What is the average humidity in August in Annapolis?

In Annapolis, California, the average relative humidity in August is 62%.

How many days does it rain in August in Annapolis?

In Annapolis, California, in August, during 0.9 rainfall days, 0.04" (1mm) of precipitation is typically accumulated.

What is the driest month in Annapolis?

July and August are months with the least rain in Annapolis, California, when the rain falls for 0.9 days and typically aggregates up to 0.04" (1mm) of rain.

When it does not snow in Annapolis?

In Annapolis snow does not fall in January, March through December.

What is the average length of the day in August in Annapolis?

In August, the average length of the day is 13.6h.

What is the month with the most sunshine in Annapolis?

July and August, with an average of 12h of sunshine, are months with the most sunshine in Annapolis, California.

How long on average sun shines in August in Annapolis?

In Annapolis, California, the average sunshine in August is 12h.

When is the highest UV index in Annapolis?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in August in Annapolis?

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

Average temperature in August
Annapolis, CA

Average temperature in August - Annapolis, CA
  • Average high temperature in August: 83.5°F

The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (54.7°F).

  • Average low temperature in August: 54.1°F

The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (39.9°F).

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Average pressure in August
Annapolis, CA

Average pressure in August - Annapolis, CA
  • Average pressure in August: 29.92"

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are June, August and September (29.92").

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Average wind speed in August
Annapolis, CA

Average wind speed in August - Annapolis, CA
  • Average wind speed in August: 5mph

The windiest month (with the highest average wind speed) is May (6.8mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).

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Average humidity in August
Annapolis, CA

Average humidity in August - Annapolis, CA
  • Average humidity in August: 62%

The month with the highest relative humidity is March (78%).
Months with the lowest relative humidity are July and September (60%).

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Average rainfall in August
Annapolis, CA

Average rainfall in August - Annapolis, CA
  • Average rainfall in August: 0.04"

The wettest month (with the highest rainfall) is February (4.49").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in August
Annapolis, CA

Average rainfall days in August - Annapolis, CA
  • Average rainfall days in August: 0.9 days

The month with the highest number of rainy days is March (15 days).
The month with the least rainy days is August (0.9 days).

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Average snowfall in August
Annapolis, CA

Average snowfall in August - Annapolis, CA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.2").
Months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in August
Annapolis, CA

Average snowfall days in August - Annapolis, CA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (0.3 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in August /
Average sunshine in August
Annapolis, CA

Average daylight in August / Average sunshine in August - Annapolis, CA
  • Average daylight in August: 13.6h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in August: 12h

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 5.4h).

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Average sunshine days in August
Annapolis, CA

Average sunshine days in August - Annapolis, CA
  • Average sunshine days in August: 29.6 days

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

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Average UV index in August
Annapolis, CA

Average UV index in August - Annapolis, CA
  • Average UV index in August: 6

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are February, November and December (UV index 3).

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Average cloud cover in August
Annapolis, CA

Average cloud cover in August - Annapolis, CA
  • Average cloud cover in August: 6

The month with the most cloud cover is March (Cloud cover 42).
Months with the least cloud cover are July and August (Cloud cover 6).

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Average visibility in August
Annapolis, CA

Average visibility in August - Annapolis, CA
  • Average visibility in August: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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