May weather forecast
Aptos, CA

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Weather in May

May, the last month of the spring in Aptos, is another refreshing month, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 49.1°F (9.5°C).

Temperature

May's arrival shows an average high-temperature of a still enjoyable 64.9°F (18.3°C), hardly different from the previous month. The average low-temperature during May nights is a chilly 49.1°F (9.5°C).

Humidity

The average relative humidity in May is 74%.

Rainfall

In Aptos, California, in May, during 6.5 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Aptos, California, during the entire year, the rain falls for 77.9 days and collects up to 14.45" (367mm) of precipitation.

Daylight

In Aptos, the average length of the day in May is 14h and 10min.
On the first day of the month, sunrise is at 6:12 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:49 am and sunset at 8:21 pm PDT.

Sunshine

In Aptos, the average sunshine in May is 10.3h.

UV index

The average daily maximum UV index in May in Aptos is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 4 during May, leads to the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. To protect against the Sun's most potent rays, avoid direct exposure around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What is the average May temperature in Aptos?

In May, the average high-temperature and low-temperature are 64.9°F (18.3°C) and 49.1°F (9.5°C) respectively.

What is the average humidity in May in Aptos?

In Aptos, the average relative humidity in May is 74%.

How many days does it rain in May in Aptos?

In Aptos, California, in May, it is raining for 6.5 days, with typically 0.67" (17mm) of accumulated precipitation.

How many hours of daylight does Aptos have in May?

The average day length in May in Aptos, California, is 14h and 10min.

When is the sunrise / sunset in May in Aptos?

In May, on the first day of the month, sunrise is at 6:12 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:21 pm PDT.

How long on average sun shines in May in Aptos?

In May, the average sunshine duration in Aptos is 10.3h.

What is the UV index reading in May in Aptos?

The average daily maximum UV index in May in Aptos is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's 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 May
Aptos, CA

Average temperature in May - Aptos, CA
  • Average high temperature in May: 64.9°F

The warmest months (with the highest average high temperature) are August and September (73°F).
The month with the lowest average high temperature is December (57.2°F).

  • Average low temperature in May: 49.1°F

The month with the highest average low temperature is September (55.2°F).
The coldest month (with the lowest average low temperature) is February (45.5°F).

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Average pressure in May
Aptos, CA

Average pressure in May - Aptos, CA
  • Average pressure in May: 29.99"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).

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Average wind speed in May
Aptos, CA

Average wind speed in May - Aptos, CA
  • Average wind speed in May: 7.2mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in May
Aptos, CA

Average humidity in May - Aptos, CA
  • Average humidity in May: 74%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in May
Aptos, CA

Average rainfall in May - Aptos, CA
  • Average rainfall in May: 0.67"

The wettest month (with the highest rainfall) is December (2.8").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in May
Aptos, CA

Average rainfall days in May - Aptos, CA
  • Average rainfall days in May: 6.5 days

The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (1.2 days).

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Average daylight in May /
Average sunshine in May
Aptos, CA

Average daylight in May / Average sunshine in May - Aptos, CA
  • Average daylight in May: 14h and 1min

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 May: 10h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in May
Aptos, CA

Average sunshine days in May - Aptos, CA
  • Average sunshine days in May: 22.1 days

The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (16.4 days).

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Average UV index in May
Aptos, CA

Average UV index in May - Aptos, CA
  • Average UV index in May: 4

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 and November (UV index 3).

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Average cloud cover in May
Aptos, CA

Average cloud cover in May - Aptos, CA
  • Average cloud cover in May: 30

The month with the most cloud cover is March (Cloud cover 38).
The months with the least cloud cover are July and September (Cloud cover 15).

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Average visibility in May
Aptos, CA

Average visibility in May - Aptos, CA
  • Average visibility in May: 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).

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Aptos, California, USA

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