May weather forecast and climate
Montebello, CA

Weather in May

The last month of the spring, May, is a warm month in Montebello, California, with average temperature ranging between max 74.7°F (23.7°C) and min 56.3°F (13.5°C).

Temperature

In Montebello, the average high-temperature in May is relatively the same as in April - a moderately hot 74.7°F (23.7°C). In May, in Montebello, the average low-temperature is 56.3°F (13.5°C).

Humidity

In Montebello, the average relative humidity is 60%.

Rainfall

In Montebello, California, it is raining for 2.8 days, with typically 0.16" (4mm) of accumulated precipitation. In Montebello, California, during the entire year, the rain falls for 40.9 days and collects up to 6.18" (157mm) of precipitation.

Daylight

The average length of the day in Montebello is 14h.

Sunshine

In May, the average sunshine in Montebello, California, is 11.2h.

UV index

The average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Montebello?

The average high-temperature, in May, in Montebello, is 74.7°F (23.7°C), while the average low-temperature is 56.3°F (13.5°C).

What is the average humidity in May in Montebello?

The average relative humidity in May is 60%.

How much does it rain in Montebello in May?

In Montebello, California, during May, the rain falls for 2.8 days and regularly aggregates up to 0.16" (4mm) of precipitation.

How many hours of daylight does Montebello have in May?

The average length of the day in May is 14h.

How long on average sun shines in May in Montebello?

The average sunshine in May is 11.2h.

What is the UV index intensity in May in Montebello?

In Montebello, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in May
Montebello, CA

Average temperature in May - Montebello, CA
  • Average high temperature in May: 74.7°F

The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is December (64.9°F).

  • Average low temperature in May: 56.3°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (48.9°F).

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Average pressure in May
Montebello, CA

Average pressure in May - Montebello, CA
  • Average pressure in May: 29.93"

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed in May
Montebello, CA

Average wind speed in May - Montebello, CA
  • Average wind speed in May: 5.7mph

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest months (with the lowest average wind speed) are August, September and October (4.7mph).

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Average humidity in May
Montebello, CA

Average humidity in May - Montebello, CA
  • Average humidity in May: 60%

The month with the highest relative humidity is June (62%).
The month with the lowest relative humidity is November (48%).

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Average rainfall in May
Montebello, CA

Average rainfall in May - Montebello, CA
  • Average rainfall in May: 0.16"

The wettest month (with the highest rainfall) is December (1.3").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in May
Montebello, CA

Average rainfall days in May - Montebello, CA
  • Average rainfall days in May: 2.8 days

The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is June (1.2 days).

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

Average daylight in May / Average sunshine in May - Montebello, CA
  • Average daylight in May: 14h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in May: 11.2h

Months with the most sunshine are July and August (Average sunshine: 12h).
Months with the least sunshine are January, February and December (Average sunshine: 6.8).

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Average sunshine days in May
Montebello, CA

Average sunshine days in May - Montebello, CA
  • Average sunshine days in May: 26 days

The month with the most sunshine days is August (27.6 days).
The month with the least sunshine days is February (22.5 days).

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Average UV index in May
Montebello, CA

Average UV index in May - Montebello, CA
  • Average UV index in May: 5

The month with the highest UV index is August (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 4).

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Average cloud cover in May
Montebello, CA

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

Months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in May
Montebello, CA

Average visibility in May - Montebello, 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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