May weather forecast
Morongo Valley, CA

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Weather in May

The last month of the spring, May, is a moderately hot month in Morongo Valley, California, with an average temperature fluctuating between 77.2°F (25.1°C) and 55.9°F (13.3°C).

Temperature

May brings a slight rise in Morongo Valley's average high-temperature, moving from an agreeable 70.9°F (21.6°C) in April to a moderately hot 77.2°F (25.1°C). May brings with it a nighttime average temperature of 55.9°F (13.3°C).

Humidity

The average relative humidity in May is 35%.

Rainfall

May is the last month it rains. During 2.6 rainfall days, in May, Morongo Valley aggregates 0.12" (3mm) of precipitation. Throughout the year, in Morongo Valley, there are 33.5 rainfall days, and 2.83" (72mm) of precipitation is accumulated.

Snowfall

January, March through November are months without snowfall in Morongo Valley, California.

Daylight

In Morongo Valley, California, the average length of the day in May is 13h and 57min.
On the first day of May, sunrise is at 5:56 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 7:52 pm PDT.

Sunshine

In Morongo Valley, the average sunshine in May is 12h.

UV index

The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 6 in May translates into these instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

What is the average May temperature in Morongo Valley?

During May, Morongo Valley experiences an average high-temperature of 77.2°F (25.1°C) and a low-temperature of 55.9°F (13.3°C).

What is the average humidity in May in Morongo Valley?

In Morongo Valley, California, the average relative humidity in May is 35%.

What is the last month it rains in Morongo Valley?

May is the last month it rains in Morongo Valley. During 2.6 rainfall days, in May, Morongo Valley aggregates 0.12" (3mm) of precipitation.

When it does not snow in Morongo Valley?

In Morongo Valley, California, snow does not fall in January, March through November.

What is the average length of the day in May in Morongo Valley?

The average day length in May in Morongo Valley, California, is 13h and 57min.

When is the sunrise / sunset in May in Morongo Valley?

On the first day of May in Morongo Valley, sunrise is at 5:56 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 7:52 pm PDT.

How long on average sun shines in May in Morongo Valley?

The average sunshine duration in May in Morongo Valley, California, is 12h.

What is the UV index reading in May in Morongo Valley?

In May, the average daily maximum UV index in Morongo Valley, California, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Morongo Valley, CA

Average temperature in May - Morongo Valley, CA
  • Average high temperature in May: 77.2°F

The warmest month (with the highest average high temperature) is July (92.8°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 August (70.9°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).

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Average pressure in May
Morongo Valley, CA

Average pressure in May - Morongo Valley, CA
  • Average pressure in May: 29.86"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).

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Average wind speed in May
Morongo Valley, CA

Average wind speed in May - Morongo Valley, CA
  • Average wind speed in May: 8.8mph

The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is January (6.5mph).

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Average humidity in May
Morongo Valley, CA

Average humidity in May - Morongo Valley, CA
  • Average humidity in May: 35%

The month with the highest relative humidity is December (47%).
The month with the lowest relative humidity is August (26%).

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Average rainfall in May
Morongo Valley, CA

Average rainfall in May - Morongo Valley, CA
  • Average rainfall in May: 0.12"

The wettest month (with the highest rainfall) is December (0.47").
The driest month (with the least rainfall) is June (0").

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Average rainfall days in May
Morongo Valley, CA

Average rainfall days in May - Morongo Valley, CA
  • Average rainfall days in May: 2.6 days

The months with the highest number of rainy days are July and December (4 days).
The month with the least rainy days is June (0.8 days).

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Average snowfall in May
Morongo Valley, CA

Average snowfall in May - Morongo Valley, CA
  • Average snowfall in May: 0"

The month with the highest snowfall is December (0.35").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
Morongo Valley, CA

Average snowfall days in May - Morongo Valley, CA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in May /
Average sunshine in May
Morongo Valley, CA

Average daylight in May / Average sunshine in May - Morongo Valley, CA
  • Average daylight in May: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in May: 12h and 0min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

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Average sunshine days in May
Morongo Valley, CA

Average sunshine days in May - Morongo Valley, CA
  • Average sunshine days in May: 27.8 days

The month with the most sunshine days is October (28.8 days).
The month with the least sunshine days is July (24.5 days).

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Average UV index in May
Morongo Valley, CA

Average UV index in May - Morongo Valley, 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 November and December (UV index 3).

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Average cloud cover in May
Morongo Valley, CA

Average cloud cover in May - Morongo Valley, CA
  • Average cloud cover in May: 8

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in May
Morongo Valley, CA

Average visibility in May - Morongo Valley, 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).

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Morongo Valley, California, USA

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