May weather forecastMendota, CA
May
Weather in May
The last month of the spring, May, is another warm month in Mendota, California, with an average temperature fluctuating between 81.3°F (27.4°C) and 55.9°F (13.3°C).Temperature
Mendota observes a slight uplift in the average high-temperature with the onset of May, adjusting from April's moderately hot 73.4°F (23°C) to a still warm 81.3°F (27.4°C). Despite the high peak temperatures, Mendota witnesses an average nighttime cooling to a mild 55.9°F (13.3°C) in May.Heat index
In May, the heat index is estimated at 80.6°F (27°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Realize that the values for the heat index are set for shaded places and light winds. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
In May, the average relative humidity is 43%.Rainfall
In Mendota, during May, the rain falls for 4.2 days and regularly aggregates up to 0.47" (12mm) of precipitation. Throughout the year, there are 59.3 rainfall days, and 8.86" (225mm) of precipitation is accumulated.Daylight
In Mendota, the average length of the day in May is 14h and 9min.On the first day of May in Mendota, sunrise is at 6:06 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:14 pm PDT.
Sunshine
In Mendota, the average sunshine in May is 11.5h.UV index
In Mendota, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 6 in May translates into this advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Mendota, CA
- Average high temperature in May: 81.3°F
The warmest month (with the highest average high temperature) is July (99.9°F).
The month with the lowest average high temperature is December (55.9°F).
- Average low temperature in May: 55.9°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is December (42.3°F).
Average pressure in May
Mendota, CA
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Mendota, CA
- Average wind speed in May: 7.2mph
The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in May
Mendota, CA
- Average humidity in May: 43%
The month with the highest relative humidity is January (67%).
The month with the lowest relative humidity is July (31%).
Average rainfall in May
Mendota, CA
- Average rainfall in May: 0.47"
The wettest month (with the highest rainfall) is March (1.69").
The driest month (with the least rainfall) is August (0").
Average rainfall days in May
Mendota, CA
- Average rainfall days in May: 4.2 days
The month with the highest number of rainy days is March (11.4 days).
The month with the least rainy days is August (0.6 days).
Average daylight in May /
Average sunshine in May
Mendota, CA
- Average daylight in May: 14h and 6min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 11h and 30min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The months with the least sunshine are February and December (Average sunshine: 6h and 24min).
Average sunshine days in May
Mendota, CA
- Average sunshine days in May: 26.1 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (18.7 days).
Average UV index in May
Mendota, CA
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Mendota, CA
- Average cloud cover in May: 15
The months with the most cloud cover are March and December (Cloud cover 29).
The months with the least cloud cover are July and August (Cloud cover 4).
Average visibility in May
Mendota, 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).
