May weather forecast and climate
Martinez, CA

A cow grazing in the vast Martinez Hills
A cow grazing in the vast Martinez Hills' fields near Martinez Town, California

Weather in May

The last month of the spring, May, is a moderately hot month in Martinez, California, with average temperature varying between 50.4°F (10.2°C) and 73.6°F (23.1°C).

Temperature

In Martinez, the average high-temperature is relatively the same as in April - a warm 73.6°F (23.1°C). In May, in Martinez, the average low-temperature is 50.4°F (10.2°C).

Humidity

The average relative humidity in May is 63%.

Rainfall

In May, the rain falls for 3.2 days. Throughout May, 0.24" (6mm) of precipitation is accumulated. Throughout the year, there are 48.9 rainfall days, and 4.96" (126mm) of precipitation is accumulated.

Daylight

In Martinez, the average length of the day is 14.3h.

Sunshine

The average sunshine in Martinez is 10.9h.

UV index

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for the average person.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in May in Martinez?

The average high-temperature, in May, in Martinez, California, is 73.6°F (23.1°C), while the average low-temperature is 50.4°F (10.2°C).

What is the average humidity in May in Martinez?

In May, the average relative humidity in Martinez, California, is 63%.

How much does it rain in Martinez in May?

In Martinez, in May, it is raining for 3.2 days, with typically 0.24" (6mm) of accumulated precipitation.

How many hours of daylight does Martinez have in May?

In Martinez, the average length of the day in May is 14.3h.

How many hours of sunshine does Martinez have in May?

In May, the average sunshine in Martinez is 10.9h.

What is the UV index intensity in May in Martinez?

The average daily maximum UV index in May in Martinez is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in May
Martinez, CA

Average temperature in May - Martinez, CA
  • Average high temperature in May: 73.6°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is December (55.4°F).

  • Average low temperature in May: 50.4°F

The month with the highest average low temperature is September (57.6°F).
The coldest months (with the lowest average low temperature) are January and December (42.3°F).

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Average pressure in May
Martinez, CA

Average pressure in May - Martinez, CA
  • Average pressure in May: 29.97"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in May
Martinez, CA

Average wind speed in May - Martinez, CA
  • Average wind speed in May: 7.4mph

The windiest month (with the highest average wind speed) is May (7.4mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).

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Average humidity in May
Martinez, CA

Average humidity in May - Martinez, CA
  • Average humidity in May: 63%

The month with the highest relative humidity is March (74%).
Months with the lowest relative humidity are September and October (56%).

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Average rainfall in May
Martinez, CA

Average rainfall in May - Martinez, CA
  • Average rainfall in May: 0.24"

The wettest month (with the highest rainfall) is February (0.98").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in May
Martinez, CA

Average rainfall days in May - Martinez, CA
  • Average rainfall days in May: 3.2 days

The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is August (1 days).

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

Average daylight in May / Average sunshine in May - Martinez, CA
  • Average daylight in May: 14.3h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in May: 10.9h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 5.7h).

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Average sunshine days in May
Martinez, CA

Average sunshine days in May - Martinez, CA
  • Average sunshine days in May: 27.3 days

The month with the most sunshine days is July (29 days).
Months with the least sunshine days are February and March (22.1 days).

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Average UV index in May
Martinez, CA

Average UV index in May - Martinez, CA
  • Average UV index in May: 5

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

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Average cloud cover in May
Martinez, CA

Average cloud cover in May - Martinez, CA
  • Average cloud cover in May: 23

Months with the most cloud cover are March and December (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 7).

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Average visibility in May
Martinez, CA

Average visibility in May - Martinez, 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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