May weather forecast and climate
Aptos, CA

Weather in May

May, the last month of the spring, in Aptos, is also an enjoyable month, with average temperature ranging between min 49.1°F (9.5°C) and max 64.9°F (18.3°C).

Temperature

In Aptos, the average high-temperature is essentially the same as in April - a still enjoyable 64.9°F (18.3°C). In May, in Aptos, California, the average low-temperature is 49.1°F (9.5°C).

Humidity

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

Rainfall

In Aptos, during May, the rain falls for 6.5 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Aptos, 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 is 14.2h.

Sunshine

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

UV index

In Aptos, California, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for the average person.
Note: In May, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in May in Aptos?

In May, in Aptos, California, the average high-temperature is 64.9°F (18.3°C), and the average low-temperature is 49.1°F (9.5°C).

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 May, the rain falls for 6.5 days. Throughout May, 0.67" (17mm) of precipitation is accumulated.

What is the average length of the day in May in Aptos?

In May, the average length of the day in Aptos is 14.2h.

How long on average sun shines in May in Aptos?

The average sunshine in May in Aptos is 10.3h.

How high is the UV index in May in Aptos?

In Aptos, California, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

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"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is September (29.92").

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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: 14.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in May: 10.3h

The month with the most sunshine is July (Average sunshine: 11.7h).
The month with the least sunshine is December (Average sunshine: 5.8h).

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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

Months with the highest UV index are June, July, August and September (UV index 5).
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).
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

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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