Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August begins with an average high-temperature of a still moderately hot 79.7°F (26.5°C), reflecting close similarity to the preceding month. Hayward marks a considerable descent from the daytime apex, as the average temperature dips to a refreshing 56.5°F (13.6°C) at night throughout August.Humidity
In Hayward, the average relative humidity in August is 65%.Rainfall
The months with the least rainfall in Hayward are July and August Rain falls for 0.9 days and accumulates 0.04" (1mm) of rain.Daylight
The average length of the day in August in Hayward is 13h and 34min.On the first day of August in Hayward, sunrise is at 6:12 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:38 pm PDT.
Sunshine
The average sunshine in August in Hayward is 12h.UV index
In Hayward, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In August, the maximum UV index of 5 transforms into these recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What is the average August temperature in Hayward?
What is the average humidity in August in Hayward?
What is the driest month in Hayward?
How many days does it rain in August in Hayward?
What is the average length of the day in August in Hayward?
What time are sunrise and sunset in August in Hayward?
How many hours of sunshine does Hayward have in August?
What is the UV index intensity in August in Hayward?
Average temperature in August
Hayward, CA
- Average high temperature in August: 79.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (55.9°F).
- Average low temperature in August: 56.5°F
The month with the highest average low temperature is August (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (43.7°F).
Average pressure in August
Hayward, CA
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in August
Hayward, CA
- Average wind speed in August: 5.4mph
The windiest month (with the highest average wind speed) is May (6.6mph).
The calmest month (with the lowest average wind speed) is November (4.6mph).
Average humidity in August
Hayward, CA
- Average humidity in August: 65%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (61%).
Average rainfall in August
Hayward, CA
- Average rainfall in August: 0.04"
The wettest month (with the highest rainfall) is February (2.28").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in August
Hayward, CA
- Average rainfall days in August: 0.9 days
The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (0.9 days).
Average daylight in August /
Average sunshine in August
Hayward, 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: 12h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in August
Hayward, CA
- Average sunshine days in August: 28.9 days
The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is March (17.3 days).
Average UV index in August
Hayward, CA
- Average UV index in August: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in August
Hayward, CA
- Average cloud cover in August: 8
The months with the most cloud cover are March and December (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in August
Hayward, 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).
Hayward, California, USA
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