May weather forecast
Tiburon, CA

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The affluent hillside homes overlooking the yachts in the harbor, and the waterfront promenade in Tiburon, California
The affluent hillside homes overlooking the yachts in the harbor, and the waterfront promenade in Tiburon, California

Weather in May

The last month of the spring, May, is another refreshing month in Tiburon, California, with temperature in the range of an average low of 50.7°F (10.4°C) and an average high of 64.4°F (18°C).

Temperature

The arrival of May brings an average high-temperature of a still enjoyable 64.4°F (18°C), nearly identical to April's 62.2°F (16.8°C). During May, Tiburon observes a consistent average nighttime temperature of 50.7°F (10.4°C).

Humidity

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

Rainfall

In May, the rain falls for 4.4 days. Throughout May, 0.28" (7mm) of precipitation is accumulated. Throughout the year, in Tiburon, there are 64.2 rainfall days, and 4.8" (122mm) of precipitation is accumulated.

Ocean temperature

The months with the coldest seawater in Tiburon are April through June, with an average ocean temperature of 53.1°F (11.7°C).
Note: Swimming in 53.1°F (11.7°C) at temperatures under 50°F (10°C) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Even brief immersion at 55.4°F (13°C) feels frosty.

Daylight

In Tiburon, California, the average length of the day in May is 14h and 14min.
On the first day of the month, sunrise is at 6:12 am and sunset at 8:00 pm. On the last day of May, in Tiburon, sunrise is at 5:49 am and sunset at 8:26 pm PDT.

Sunshine

In Tiburon, California, the average sunshine in May is 10.2h.

UV index

In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 4 during May translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

What is the average May temperature in Tiburon?

The high-temperature, in May, in Tiburon, records 64.4°F (18°C), while the low-temperature is 50.7°F (10.4°C).

What is the average humidity in May in Tiburon?

The average relative humidity in May in Tiburon is 74%.

How many days does it rain in May in Tiburon?

In Tiburon, California, in May, it is raining for 4.4 days, with typically 0.28" (7mm) of accumulated precipitation.

When is the ocean coldest in Tiburon?

April through June, with an average ocean temperature of 53.1°F (11.7°C), are months with the coldest seawater in Tiburon.

What is the ocean temperature in May in Tiburon?

In May, the average ocean temperature in Tiburon, California, is 53.1°F (11.7°C). Swimming in 53.1°F (11.7°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

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

The average day length in May in Tiburon is 14h and 14min.

What time are sunrise and sunset in May in Tiburon?

In May, on the first day of the month, sunrise is at 6:12 am and sunset at 8:00 pm. On the last day of the month, in Tiburon, sunrise is at 5:49 am and sunset at 8:26 pm PDT.

How many hours of sunshine does Tiburon have in May?

In May, the average sunshine duration in Tiburon is 10.2h.

What is the UV index intensity in May in Tiburon?

In May, the average daily maximum UV index in Tiburon is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Tiburon, CA

Average temperature in May - Tiburon, CA
  • Average high temperature in May: 64.4°F

The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.2°F).

  • Average low temperature in May: 50.7°F

The month with the highest average low temperature is September (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (46.2°F).

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Average pressure in May
Tiburon, CA

Average pressure in May - Tiburon, CA
  • Average pressure in May: 29.98"Hg

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

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Average wind speed in May
Tiburon, CA

Average wind speed in May - Tiburon, CA
  • Average wind speed in May: 7.9mph

The windiest month (with the highest average wind speed) is May (7.9mph).
The calmest months (with the lowest average wind speed) are October and November (5.7mph).

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Average humidity in May
Tiburon, CA

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

The months with the highest relative humidity are March and August (76%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in May
Tiburon, CA

Average rainfall in May - Tiburon, CA
  • Average rainfall in May: 0.28"

The wettest month (with the highest rainfall) is February (0.98").
The driest months (with the least rainfall) are June, July, August and September (0.08").

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Average rainfall days in May
Tiburon, CA

Average rainfall days in May - Tiburon, CA
  • Average rainfall days in May: 4.4 days

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is June (1.9 days).

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Average sea temperature in May
Tiburon, CA

Average sea temperature in May - Tiburon, CA
  • Average sea temperature in May: 53.1°F

The best month for swimming (with the highest average sea temperature) is September (57.3°F).
The coldest months (with the lowest average sea temperature) are April and June (53°F).

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

Average daylight in May / Average sunshine in May - Tiburon, 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 36min).

  • Average sunshine in May: 10h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in May
Tiburon, CA

Average sunshine days in May - Tiburon, CA
  • Average sunshine days in May: 22.2 days

The month with the most sunshine days is October (25 days).
The month with the least sunshine days is March (18.4 days).

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Average UV index in May
Tiburon, CA

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

The months with the highest UV index are April, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in May
Tiburon, CA

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

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 18).

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Average visibility in May
Tiburon, CA

Average visibility in May - Tiburon, 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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Tiburon, California, USA

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