May weather forecastRancho Peñasquitos, CA
May
Weather in May
May, the last month of the spring in Rancho Peñasquitos, is another pleasant month, with an average temperature fluctuating between 54.1°F (12.3°C) and 70.3°F (21.3°C).Temperature
With May's advent, Rancho Peñasquitos sees an average high-temperature of a still agreeable 70.3°F (21.3°C), subtly shifted from April's 68.5°F (20.3°C). Rancho Peñasquitos's nighttime temperature during May is consistently averaged at a fresh 54.1°F (12.3°C).Humidity
With an average relative humidity of 70%, May is the most humid month.Rainfall
In May, the rain falls for 2.9 days. Throughout May, 0.16" (4mm) of precipitation is accumulated. Throughout the year, there are 41.9 rainfall days, and 3.35" (85mm) of precipitation is accumulated.Daylight
In May, the average length of the day in Rancho Peñasquitos is 13h and 52min.On the first day of May, sunrise is at 6:00 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 7:51 pm PDT.
Sunshine
In Rancho Peñasquitos, the average sunshine in May is 11.1h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 5 in May suggests the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rancho Peñasquitos, CA
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (63.9°F).
- Average low temperature in May: 54.1°F
The month with the highest average low temperature is August (65.3°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).
Average pressure in May
Rancho Peñasquitos, CA
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Rancho Peñasquitos, CA
- Average wind speed in May: 5.7mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest month (with the lowest average wind speed) is October (4.5mph).
Average humidity in May
Rancho Peñasquitos, CA
- Average humidity in May: 70%
The month with the highest relative humidity is May (70%).
The month with the lowest relative humidity is November (56%).
Average rainfall in May
Rancho Peñasquitos, CA
- Average rainfall in May: 0.16"
The wettest month (with the highest rainfall) is December (0.63").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in May
Rancho Peñasquitos, CA
- Average rainfall days in May: 2.9 days
The month with the highest number of rainy days is March (6.5 days).
The month with the least rainy days is June (1.3 days).
Average daylight in May /
Average sunshine in May
Rancho Peñasquitos, CA
- Average daylight in May: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 11h and 6min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 6h and 48min).
Average sunshine days in May
Rancho Peñasquitos, CA
- Average sunshine days in May: 25.5 days
The month with the most sunshine days is October (26.1 days).
The month with the least sunshine days is February (21.8 days).
Average UV index in May
Rancho Peñasquitos, 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, March, November and December (UV index 4).
Average cloud cover in May
Rancho Peñasquitos, CA
- Average cloud cover in May: 20
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 7).
Average visibility in May
Rancho Peñasquitos, 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).





