Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Lafayette's shift into May is marked by a subtle change to an agreeable 70.3°F (21.3°C) from April's 66.7°F (19.3°C) in temperature. The temperature dips to an average of 50.2°F (10.1°C) during May nights.Humidity
In May, the average relative humidity is 67%.Rainfall
In May, in Lafayette, the rain falls for 5.3 days. Throughout May, 0.63" (16mm) of precipitation is accumulated. In Lafayette, during the entire year, the rain falls for 74.4 days and collects up to 12.6" (320mm) of precipitation.Daylight
The average length of the day in May in Lafayette, California, is 14h and 14min.On the first day of May in Lafayette, California, sunrise is at 6:11 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:24 pm PDT.
Sunshine
In May, the average sunshine is 10.8h.UV index
The average daily maximum UV index in May in Lafayette is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 during May translates into the following guidance:
Guard yourself - An obligation to protect skin and eyes from harm exists. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What are May temperatures in Lafayette?
What is the average humidity in May in Lafayette?
How many days does it rain in May in Lafayette?
What is the average length of the day in May in Lafayette?
What time are sunrise and sunset in May in Lafayette?
How many hours of sunshine does Lafayette have in May?
What is the UV index reading in May in Lafayette?
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
The 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).
Average pressure in May
Lafayette, CA
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
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).
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%).
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").
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).
Average daylight in May /
Average sunshine in May
Lafayette, 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 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
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).
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).
The months with the lowest UV index are January, February, November and December (UV index 3).
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).
Average visibility in May
Lafayette, 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).
Lafayette, California, USA
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