May weather forecast and climate
Modesto, CA

Weather in May

May, the last month of the spring, in Modesto, is a warm month, with average temperature fluctuating between 80.1°F (26.7°C) and 52.7°F (11.5°C).

Temperature

In Modesto, the average high-temperature slightly increases, from a pleasant 72.1°F (22.3°C) in April, to a warm 80.1°F (26.7°C). The average low-temperature, in Modesto, is 52.7°F (11.5°C).

Humidity

The average relative humidity in May is 51%.

Rainfall

In May, the rain falls for 3.6 days. Throughout May, 0.39" (10mm) of precipitation is accumulated. In Modesto, during the entire year, the rain falls for 54.3 days and collects up to 6.54" (166mm) of precipitation.

Daylight

In May, the average length of the day in Modesto is 14.2h.

Sunshine

In May, the average sunshine is 11.3h.

UV index

The average daily maximum UV index in Modesto is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 in May interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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.
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FAQ

What is the temperature in May in Modesto?

In May, the average high-temperature is 80.1°F (26.7°C), and the average low-temperature is 52.7°F (11.5°C).

What is the average humidity in May in Modesto?

The average relative humidity in May is 51%.

How much does it rain in Modesto in May?

In Modesto, California, during May, the rain falls for 3.6 days and regularly aggregates up to 0.39" (10mm) of precipitation.

What is the average length of the day in May in Modesto?

In Modesto, California, the average length of the day in May is 14.2h.

How many hours of sunshine does Modesto have in May?

In May, the average sunshine in Modesto is 11.3h.

How high is the UV index in May in Modesto?

In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in May
Modesto, CA

Average temperature in May - Modesto, CA
  • Average high temperature in May: 80.1°F

The warmest month (with the highest average high temperature) is July (97.7°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in May: 52.7°F

The month with the highest average low temperature is July (62.1°F).
The coldest months (with the lowest average low temperature) are January and December (41.9°F).

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Average pressure in May
Modesto, CA

Average pressure in May - Modesto, CA
  • Average pressure in May: 29.96"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in May
Modesto, CA

Average wind speed in May - Modesto, CA
  • Average wind speed in May: 6.7mph

The windiest month (with the highest average wind speed) is June (7.3mph).
The calmest month (with the lowest average wind speed) is November (5.2mph).

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Average humidity in May
Modesto, CA

Average humidity in May - Modesto, CA
  • Average humidity in May: 51%

The month with the highest relative humidity is January (72%).
The month with the lowest relative humidity is July (37%).

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Average rainfall in May
Modesto, CA

Average rainfall in May - Modesto, CA
  • Average rainfall in May: 0.39"

The wettest month (with the highest rainfall) is March (1.3").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in May
Modesto, CA

Average rainfall days in May - Modesto, CA
  • Average rainfall days in May: 3.6 days

The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (0.9 days).

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Average daylight in May /
Average sunshine in May
Modesto, CA

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

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in May: 11.3h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6h).

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Average sunshine days in May
Modesto, CA

Average sunshine days in May - Modesto, CA
  • Average sunshine days in May: 26.7 days

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (19.6 days).

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Average UV index in May
Modesto, CA

Average UV index in May - Modesto, CA
  • Average UV index in May: 6

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in May
Modesto, CA

Average cloud cover in May - Modesto, CA
  • Average cloud cover in May: 17

The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in May
Modesto, CA

Average visibility in May - Modesto, CA
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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