Fresno
California, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Fresno, CA

The artificial Millerton Lake near Fresno in California, clear skies, and mountain ranges
The artificial Millerton Lake near Fresno in California, clear skies, and mountain ranges
Mayo, the last month of the spring, in Fresno, is another warm month, with average temperature varying between 56.1°F (13.4°C) and 84°F (28.9°C).

Temperature

In Fresno, the average high-temperature increases, from a warm 74.7°F (23.7°C) in Abril, to a still moderately hot 84°F (28.9°C). In Fresno, the average low-temperature is 56.1°F (13.4°C).

Heat index

The average heat index in Mayo is evaluated at 84.6°F (29.2°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'real feel', or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, differences in body mass, height, and shape, wind), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in Mayo is 47.3%.

Rainfall

In Fresno, during 2.2 rainfall days, 0.43" (10.9mm) of precipitation is typically accumulated. Throughout the year, there are 48.1 rainfall days, and 11.5" (292.2mm) of precipitation is accumulated.

Daylight

In Mayo, the average length of the day is 14.2h.

Sunshine

The average sunshine in Fresno is 12.9h.

UV index

The average daily maximum UV index in Fresno, California, is 9. A UV Index reading of 8 to 10 represents a very high health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 9 in Mayo interpret into the following advice:
Take extra precautions. Protection against sun damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Prolonged stay under the direct sun should be avoided as much as possible, especially if a person burns easily. Sunscreen with a minimum 30 sun protection factor should always be used.

What is the temperature in Mayo in Fresno?

In Fresno, in Mayo, the average high-temperature is 84°F (28.9°C), and the average low-temperature is 56.1°F (13.4°C). The average heat index (a.k.a. 'feels like', 'real feel'), that combines relative humidity and air temperature, in Mayo is evaluated at 84.6°F (29.2°C).

What is the average humidity in Mayo in Fresno?

In Mayo, the average relative humidity is 47.3%.

How many days does it rain in Mayo in Fresno?

In Fresno, during Mayo, the rain falls for 2.2 days and regularly aggregates up to 0.43" (10.9mm) of precipitation.

What is the average length of the day in Mayo in Fresno?

The average length of the day in Mayo in Fresno is 14.2h.

How long on average sun shines in Mayo in Fresno?

In Fresno, California, the average sunshine in Mayo is 12.9h.

How high is the UV index in Mayo in Fresno?

The average daily maximum UV index in Mayo is 9. A UV Index estimate of 8 to 10 represents a very high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in May - Fresno, CA
  • Average high temperature in May: 84.1°F

The warmest month (with the highest average high temperature) is July (98.4°F).
The month with the lowest average high temperature is January (54.8°F).

  • Average low temperature in May: 56.2°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is December (38°F).

Average humidity in May - Fresno, CA
  • Average humidity in May: 47.3%

The month with the highest relative humidity is December (84.2%).
The month with the lowest relative humidity is July (39.2%).

Average rainfall in May - Fresno, CA
  • Average rainfall in May: 0.4"

The wettest month (with the highest rainfall) is January (2.2").
Driest months (with the lowest rainfall) are July and August (0").

Average rainfall days in May - Fresno, CA
  • Average rainfall days in May: 2.2 days

The month with the highest number of rainy days is February (8.6 days).
The month with the lowest number of rainy days is July (0.2 days).

Average daylight in May / Average sunshine in May - Fresno, CA
  • Average daylight in May: 14.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in May: 12.9h

The month with most sunshine is July (Average sunshine: 13.8h).
The month with least sunshine is December (Average sunshine: 4.1h).

Average UV index in May - Fresno, CA
  • Average UV index in May: 9

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).