May weather forecast and climate
Lafayette, CA

Weather in May

May, the last month of the spring, in Lafayette, is an agreeable month, with average temperature fluctuating between 70.3°F (21.3°C) and 50.2°F (10.1°C).

Temperature

In Lafayette, the average high-temperature is relatively the same as in April - a pleasant 70.3°F (21.3°C). In Lafayette, California, in May, the average low-temperature is 50.2°F (10.1°C).

Humidity

In May, the average relative humidity is 67%.

Rainfall

In Lafayette, it is raining for 5.3 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, in Lafayette, there are 74.4 rainfall days, and 12.6" (320mm) of precipitation is accumulated.

Daylight

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

Sunshine

The average sunshine in May is 10.8h.

UV index

In Lafayette, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in May in Lafayette?

In Lafayette, in May, the average high-temperature is 70.3°F (21.3°C), and the average low-temperature is 50.2°F (10.1°C).

What is the average humidity in May in Lafayette?

In May, the average relative humidity in Lafayette, California, is 67%.

How much does it rain in Lafayette in May?

In Lafayette, during May, the rain falls for 5.3 days and regularly aggregates up to 0.63" (16mm) of precipitation.

How many hours of daylight does Lafayette have in May?

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

How many hours of sunshine does Lafayette have in May?

In May, the average sunshine in Lafayette, California, is 10.8h.

What is the UV index intensity in May in Lafayette?

In Lafayette, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in May
Lafayette, CA

Average temperature in May - Lafayette, CA
  • Average high temperature in May: 70.3°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is December (55.2°F).

  • Average low temperature in May: 50.2°F

Months with the highest average low temperature are August and September (56.8°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).

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Average pressure in May
Lafayette, CA

Average pressure in May - Lafayette, CA
  • Average pressure in May: 29.98"

The month with the highest atmospheric pressure is January (30.14").
Months with the lowest atmospheric pressure are June, August and September (29.92").

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Average wind speed in May
Lafayette, CA

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

The windiest month (with the highest average wind speed) is May (7.2mph).
The calmest month (with the lowest average wind speed) is November (4.6mph).

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Average humidity in May
Lafayette, CA

Average humidity in May - Lafayette, CA
  • Average humidity in May: 67%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is October (60%).

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Average rainfall in May
Lafayette, CA

Average rainfall in May - Lafayette, CA
  • Average rainfall in May: 0.63"

The wettest month (with the highest rainfall) is February (2.6").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in May
Lafayette, CA

Average rainfall days in May - Lafayette, CA
  • Average rainfall days in May: 5.3 days

The month with the highest number of rainy days is March (13.1 days).
The month with the least rainy days is August (0.8 days).

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

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

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: 10.8h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 5.8h).

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Average sunshine days in May
Lafayette, CA

Average sunshine days in May - Lafayette, CA
  • Average sunshine days in May: 23.5 days

The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (16.3 days).

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Average UV index in May
Lafayette, CA

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

The month with the highest UV index is June (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
Lafayette, CA

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

The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in May
Lafayette, CA

Average visibility in May - Lafayette, 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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