May weather forecast
Calimesa, CA

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Weather in May

The last month of the spring, May, is a moderately hot month in Calimesa, California, with an average temperature varying between 73.8°F (23.2°C) and 49.6°F (9.8°C).

Temperature

Observing a slight rise in May, the average high-temperature shifts from April's agreeable 68.2°F (20.1°C) to a moderately hot 73.8°F (23.2°C). A sharp reduction from the daytime highs is witnessed during May, with nighttime temperatures averaging a low of 49.6°F (9.8°C).

Humidity

In May, the average relative humidity is 51%.

Rainfall

In Calimesa, in May, during 4.5 rainfall days, 0.24" (6mm) of precipitation is typically accumulated. Throughout the year, there are 49.3 rainfall days, and 6.69" (170mm) of precipitation is accumulated.

Snowfall

In Calimesa, snow does not fall in January, May through October.

Daylight

The average length of the day in May is 13h and 56min.
On the first day of the month, sunrise is at 5:58 am and sunset at 7:32 pm. On the last day of May, sunrise is at 5:37 am and sunset at 7:54 pm PDT.

Sunshine

The average sunshine in May is 11.6h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 in May transforms into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

The high-temperature in Calimesa during May is 73.8°F (23.2°C) and the low-temperature is 49.6°F (9.8°C).

What is the average humidity in May?

The average relative humidity in May is 51%.

How much does it rain in May?

In May, the rain falls for 4.5 days. Throughout May, 0.24" (6mm) of precipitation is accumulated.

When it does not snow?

January, May through October are months without snowfall.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Calimesa have in May?

In May, the average day length is 13h and 56min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:58 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 7:54 pm PDT.

How long on average sun shines in May?

In May, the average sunshine duration is 11.6h.

What is the UV index intensity in May?

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
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
Calimesa, CA

Average temperature in May - Calimesa, CA
  • Average high temperature in May: 73.8°F

The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in May: 49.6°F

The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).

Average pressure in May
Calimesa, CA

Average pressure in May - Calimesa, CA
  • Average pressure in May: 29.88"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in May
Calimesa, CA

Average wind speed in May - Calimesa, CA
  • Average wind speed in May: 6.6mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is September (5.2mph).

Average humidity in May
Calimesa, CA

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

The month with the highest relative humidity is February (54%).
The month with the lowest relative humidity is August (36%).

Average rainfall in May
Calimesa, CA

Average rainfall in May - Calimesa, CA
  • Average rainfall in May: 0.24"

The wettest month (with the highest rainfall) is February (1.38").
The driest month (with the least rainfall) is June (0.08").

Average rainfall days in May
Calimesa, CA

Average rainfall days in May - Calimesa, CA
  • Average rainfall days in May: 4.5 days

The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.4 days).

Average snowfall in May
Calimesa, CA

Average snowfall in May - Calimesa, CA
  • Average snowfall in May: 0"

The month with the highest snowfall is November (0.87").
The months with the least snowfall are January, May, June, July, August, September and October (0").

Average snowfall days in May
Calimesa, CA

Average snowfall days in May - Calimesa, CA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are January, May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Calimesa, 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: 11h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in May
Calimesa, CA

Average sunshine days in May - Calimesa, CA
  • Average sunshine days in May: 25.3 days

The month with the most sunshine days is June (27.6 days).
The month with the least sunshine days is February (21.6 days).

Average UV index in May
Calimesa, CA

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in May
Calimesa, CA

Average cloud cover in May - Calimesa, CA
  • Average cloud cover in May: 14

The months with the most cloud cover are February, March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 6).

Average visibility in May
Calimesa, CA

Average visibility in May - Calimesa, 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).

Calimesa, California, USA

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