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 sea temperature 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
Santa Monica observes an average high-temperature of a still agreeable 70.9°F (21.6°C) in May, barely different from 69.4°F (20.8°C) in April. Throughout May, an average low-temperature of 56.3°F (13.5°C) is experienced.Humidity
In May, the average relative humidity is 65%.Rainfall
In May, in Santa Monica, the rain falls for 4.4 days. Throughout May, 0.24" (6mm) of precipitation is accumulated. In Santa Monica, California, during the entire year, the rain falls for 48.8 days and collects up to 7.52" (191mm) of precipitation.Ocean temperature
The months with the coldest seawater in Santa Monica are January through May and December, with an average ocean temperature of 59°F (15°C).Note: Swimming is not a pleasurable activity for the majority in water at 59°F (15°C). Breathing control gets harder as the water temperature dips from 69.8°F (21°C) to 59°F (15°C).
Daylight
In May, the average length of the day is 13h and 57min.On the first day of May in Santa Monica, sunrise is at 6:03 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 7:59 pm PDT.
Sunshine
The average sunshine in May is 10.9h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What is the average May temperature in Santa Monica?
What is the average humidity in May in Santa Monica?
How much does it rain in Santa Monica in May?
What are the months with the coldest ocean in Santa Monica?
What is the ocean temperature in May in Santa Monica?
What is the average length of the day in May in Santa Monica?
When is the sunrise / sunset in May in Santa Monica?
How long on average sun shines in May in Santa Monica?
What is the UV index reading in May in Santa Monica?
Average temperature in May
Santa Monica, CA
- Average high temperature in May: 70.9°F
The warmest month (with the highest average high temperature) is August (80.8°F).
The month with the lowest average high temperature is December (63.9°F).
- Average low temperature in May: 56.3°F
The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is February (50.5°F).
Average pressure in May
Santa Monica, CA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).
Average wind speed in May
Santa Monica, CA
- Average wind speed in May: 5.9mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are August and September (4.8mph).
Average humidity in May
Santa Monica, CA
- Average humidity in May: 65%
The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (52%).
Average rainfall in May
Santa Monica, CA
- Average rainfall in May: 0.24"
The wettest month (with the highest rainfall) is January (1.54").
The driest months (with the least rainfall) are June and August (0.08").
Average rainfall days in May
Santa Monica, CA
- Average rainfall days in May: 4.4 days
The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is August (1.8 days).
Average sea temperature in May
Santa Monica, CA
- Average sea temperature in May: 59°F
The best months for swimming (with the highest average sea temperature) are August, September and October (66°F).
The coldest months (with the lowest average sea temperature) are January, February, March, April, May and December (59°F).
Average daylight in May /
Average sunshine in May
Santa Monica, CA
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 10h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The months with the least sunshine are February and December (Average sunshine: 6h and 36min).
Average sunshine days in May
Santa Monica, CA
- Average sunshine days in May: 25.6 days
The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is February (21.8 days).
Average UV index in May
Santa Monica, CA
- Average UV index in May: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in May
Santa Monica, CA
- Average cloud cover in May: 21
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in May
Santa Monica, 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).
Santa Monica, California, USA
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