May weather forecastLos Osos, CA
May
Weather in May
May, the last month of the spring in Los Osos, is an agreeable month, with an average temperature ranging between max 68.5°F (20.3°C) and min 52.3°F (11.3°C).Temperature
May's presence records an average high-temperature of an agreeable 68.5°F (20.3°C), closely mirroring April's climate. During the month of May, an average temperature of 52.3°F (11.3°C) is noted during the nights in Los Osos.Humidity
In May, the average relative humidity in Los Osos is 67%.Rainfall
In Los Osos, in May, during 2.6 rainfall days, 0.24" (6mm) of precipitation is typically accumulated. In Los Osos, during the entire year, the rain falls for 53.7 days and collects up to 8.58" (218mm) of precipitation.Daylight
In Los Osos, California, the average length of the day in May is 14h and 2min.On the first day of May, sunrise is at 6:10 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:12 pm PDT.
Sunshine
In May, the average sunshine is 11.4h.UV index
In May, the average daily maximum UV index in Los Osos is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In May, a regular UV index of 5 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Around midday, solar radiation is most harmful; hence, exposure should be limited. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Los Osos, CA
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is September (76.3°F).
The month with the lowest average high temperature is December (59.2°F).
- Average low temperature in May: 52.3°F
The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (47.3°F).
Average pressure in May
Los Osos, CA
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June and September (29.91"Hg).
Average wind speed in May
Los Osos, CA
- Average wind speed in May: 7.9mph
The windiest month (with the highest average wind speed) is May (7.9mph).
The calmest months (with the lowest average wind speed) are August and September (6mph).
Average humidity in May
Los Osos, CA
- Average humidity in May: 67%
The month with the highest relative humidity is March (70%).
The months with the lowest relative humidity are September and October (61%).
Average rainfall in May
Los Osos, CA
- Average rainfall in May: 0.24"
The wettest month (with the highest rainfall) is January (1.81").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in May
Los Osos, CA
- Average rainfall days in May: 2.6 days
The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (0.7 days).
Average daylight in May /
Average sunshine in May
Los Osos, CA
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 11h and 24min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in May
Los Osos, CA
- Average sunshine days in May: 27.8 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is February (20.1 days).
Average UV index in May
Los Osos, CA
- Average UV index in May: 5
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover in May
Los Osos, CA
- Average cloud cover in May: 16
The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are August and September (Cloud cover 7).
Average visibility in May
Los Osos, 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).





