June weather forecastSan Luis Obispo, CA
June
Weather in June
The first month of the summer, June, is a moderately hot month in San Luis Obispo, California, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 76.6°F (24.8°C).Temperature
As May transitions into June, a subtle temperature shift is observed, with average highs adjusting from an agreeable 71.2°F (21.8°C) to a warm 76.6°F (24.8°C). San Luis Obispo, in June, experiences a marked contrast from daytime zeniths to a steady average low-temperature of 55°F (12.8°C).Humidity
The average relative humidity in June is 61%.Rainfall
June and August are months with the least rain when the rain falls for 1.1 days and typically aggregates up to 0.04" (1mm) of rain.Daylight
June has the longest days of the year, with an average of 14h and 30min of daylight.On the first day of June, sunrise is at 5:48 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:21 pm PDT.
Sunshine
June through August, with an average of 12h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are June and August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.Note: During June, 6 as the daily maximum UV index converts into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
San Luis Obispo, CA
- Average high temperature in June: 76.6°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (60.3°F).
- Average low temperature in June: 55°F
The month with the highest average low temperature is September (60.3°F).
The coldest month (with the lowest average low temperature) is February (45.7°F).
Average pressure in June
San Luis Obispo, CA
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in June
San Luis Obispo, CA
- Average wind speed in June: 6.2mph
The windiest months (with the highest average wind speed) are April and May (6.8mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).
Average humidity in June
San Luis Obispo, CA
- Average humidity in June: 61%
The month with the highest relative humidity is March (69%).
The months with the lowest relative humidity are September and October (57%).
Average rainfall in June
San Luis Obispo, CA
- Average rainfall in June: 0.04"
The wettest month (with the highest rainfall) is March (2.01").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in June
San Luis Obispo, CA
- Average rainfall days in June: 1.1 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.6 days).
Average daylight in June /
Average sunshine in June
San Luis Obispo, CA
- Average daylight in June: 14h and 30min
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 June: 12h and 0min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).
Average sunshine days in June
San Luis Obispo, CA
- Average sunshine days in June: 28.3 days
The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is February (19.1 days).
Average UV index in June
San Luis Obispo, CA
- Average UV index in June: 6
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is February (UV index 3).
Average cloud cover in June
San Luis Obispo, CA
- Average cloud cover in June: 8
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 6).
Average visibility in June
San Luis Obispo, CA
- Average visibility in June: 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).
