Emeryville
California, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Emeryville, CA

Colorful sky at dusk, with stunning water reflection of numerous boats, docked on the San Francisco Bay in Emeryville, California
Colorful sky at dusk, with stunning water reflection of numerous boats, docked on the San Francisco Bay in Emeryville, California
May, the last month of the spring, in Emeryville, is a pleasant month, with average temperature ranging between min 50.5°F (10.3°C) and max 68°F (20°C).

Temperature

In Emeryville, the average high-temperature is essentially the same as in April - an agreeable 68°F (20°C). In Emeryville, the average low-temperature is 50.5°F (10.3°C).

Humidity

In Emeryville, the average relative humidity in May is 70%.

Rainfall

In May, in Emeryville, the rain falls for 4 days. Throughout May, 0.28" (7mm) of precipitation is accumulated. In Emeryville, during the entire year, the rain falls for 55.6 days and collects up to 5.24" (133mm) of precipitation.

Daylight

In Emeryville, the average length of the day is 14.2h.

Sunshine

In Emeryville, the average sunshine in May is 10.7h.

UV index

Months with the highest UV index are April through September, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for average individuals.
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 Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.

What is the temperature in May in Emeryville?

In May, in Emeryville, the average high-temperature is 68°F (20°C), and the average low-temperature is 50.5°F (10.3°C).

What is the average humidity in May in Emeryville?

The average relative humidity in May in Emeryville, California, is 70%.

How much does it rain in Emeryville in May?

In May, in Emeryville, California, the rain falls for 4 days. Throughout May, 0.28" (7mm) of precipitation is accumulated.

How many hours of daylight does Emeryville have in May?

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

How many hours of sunshine does Emeryville have in May?

The average sunshine in May in Emeryville, California, is 10.7h.

When is the highest UV index in Emeryville?

Months with the highest UV index in Emeryville, California, are April through September, with an average maximum UV index of 5.

How high is the UV index in May in Emeryville?

In May, the average daily maximum UV index in Emeryville is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.
Average temperature in May - Emeryville, CA
  • Average high temperature in May: 68°F

The warmest month (with the highest average high temperature) is September (76.6°F).
The month with the lowest average high temperature is December (55.4°F).

  • Average low temperature in May: 50.5°F

The month with the highest average low temperature is September (56.8°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

Average humidity in May - Emeryville, CA
  • Average humidity in May: 70%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (64%).

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

The wettest month (with the highest rainfall) is February (1.1").
Driest months (with the lowest rainfall) are June, July, August and September (0.08").

Average rainfall days in May - Emeryville, CA
  • Average rainfall days in May: 4 days

The month with the highest number of rainy days is March (8.7 days).
The month with the lowest number of rainy days is August (1.5 days).

Average daylight in May / Average sunshine in May - Emeryville, CA
  • Average daylight in May: 14.2h

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

  • Average sunshine in May: 10.7h

The month with most sunshine is July (Average sunshine: 11.9h).
The month with least sunshine is December (Average sunshine: 5.8h).

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

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