May weather forecast
Catalina, AZ

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Weather in May

The last month of the spring, May, is also a moderately hot month in Catalina, Arizona, with an average temperature fluctuating between 84.7°F (29.3°C) and 58.5°F (14.7°C).

Temperature

Catalina's transition into May is noticed by a slight rise in the average high-temperature, advancing from 76.6°F (24.8°C) in April to a still warm 84.7°F (29.3°C). Catalina demonstrates a significant disparity from daytime highs throughout the month of May, with an average nighttime temperature of 58.5°F (14.7°C).

Humidity

In May, the average relative humidity is 22%.

Rainfall

In Catalina, in May, it is raining for 2 days, with typically 0.31" (8mm) of accumulated precipitation. Throughout the year, in Catalina, there are 76.5 rainfall days, and 13.31" (338mm) of precipitation is accumulated.

Snowfall

March through November are months without snowfall in Catalina.

Daylight

In Catalina, the average length of the day in May is 13h and 50min.
On the first day of the month, sunrise is at 5:36 am and sunset at 7:05 pm. On the last day of May, in Catalina, sunrise is at 5:17 am and sunset at 7:25 pm MST.

Sunshine

In May, the average sunshine is 11.8h.

UV index

In May, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: During May, 7 as the daily maximum UV index converts into the following advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

How hot is it in Catalina in May?

In Catalina, in May, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 58.5°F (14.7°C).

What is the average humidity in May in Catalina?

In Catalina, Arizona, the average relative humidity in May is 22%.

How much does it rain in Catalina in May?

In Catalina, in May, during 2 rainfall days, 0.31" (8mm) of precipitation is typically accumulated.

When it does not snow in Catalina?

March through November are months without snowfall.

How many hours of daylight does Catalina have in May?

The average day length in May is 13h and 50min.

What time are sunrise and sunset in May in Catalina?

On the first day of May in Catalina, sunrise is at 5:36 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 7:25 pm MST.

How many hours of sunshine does Catalina have in May?

In May, the average sunshine duration in Catalina, Arizona, is 11.8h.

How high is the UV index in May in Catalina?

The average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from 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
Catalina, AZ

Average temperature in May - Catalina, AZ
  • Average high temperature in May: 84.7°F

The warmest month (with the highest average high temperature) is June (95.5°F).
The month with the lowest average high temperature is December (59.2°F).

  • Average low temperature in May: 58.5°F

The months with the highest average low temperature are July and August (75.4°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).

Average pressure in May
Catalina, AZ

Average pressure in May - Catalina, AZ
  • Average pressure in May: 29.86"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in May
Catalina, AZ

Average wind speed in May - Catalina, AZ
  • Average wind speed in May: 8.1mph

The windiest month (with the highest average wind speed) is May (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in May
Catalina, AZ

Average humidity in May - Catalina, AZ
  • Average humidity in May: 22%

The month with the highest relative humidity is December (48%).
The month with the lowest relative humidity is June (20%).

Average rainfall in May
Catalina, AZ

Average rainfall in May - Catalina, AZ
  • Average rainfall in May: 0.31"

The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is June (0.24").

Average rainfall days in May
Catalina, AZ

Average rainfall days in May - Catalina, AZ
  • Average rainfall days in May: 2 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is May (2 days).

Average snowfall in May
Catalina, AZ

Average snowfall in May - Catalina, AZ
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.91").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in May
Catalina, AZ

Average snowfall days in May - Catalina, AZ
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in May /
Average sunshine in May
Catalina, AZ

Average daylight in May / Average sunshine in May - Catalina, AZ
  • Average daylight in May: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in May: 11h and 5min

The months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

Average sunshine days in May
Catalina, AZ

Average sunshine days in May - Catalina, AZ
  • Average sunshine days in May: 28.6 days

The month with the most sunshine days is May (28.6 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in May
Catalina, AZ

Average UV index in May - Catalina, AZ
  • Average UV index in May: 7

The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are November and December (UV index 3).

Average cloud cover in May
Catalina, AZ

Average cloud cover in May - Catalina, AZ
  • Average cloud cover in May: 9

The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 8).

Average visibility in May
Catalina, AZ

Average visibility in May - Catalina, AZ
  • 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).

Catalina, Arizona, USA

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