May weather forecast
Mesa, CO

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Weather in May

May, the last month of the spring in Mesa, is a comfortable month, with an average temperature ranging between min 38.7°F (3.7°C) and max 62.4°F (16.9°C).

Temperature

Mesa in May experiences an increase in the average high-temperature, moving from April's fresh 51.4°F (10.8°C) to a refreshing 62.4°F (16.9°C). Mesa records a significant temperature drop in May nights, lowering to an average of 38.7°F (3.7°C).

Humidity

In Mesa, the average relative humidity in May is 49%.

Rainfall

In Mesa, in May, it is raining for 13.6 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, there are 122.7 rainfall days, and 17.91" (455mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.6 snowfall days, in May, Mesa aggregates 0.24" (6mm) of snow. In Mesa, during the entire year, snow falls for 64.1 days and aggregates up to 49.21" (1250mm) of snow.

Daylight

The average length of the day in May is 14h and 20min.
On the first day of May, sunrise is at 6:13 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:32 pm MDT.

Sunshine

In May, the average sunshine is 11.2h.

UV index

The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 4 during May, leads to the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Jun 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

The high-temperature during May is 62.4°F (16.9°C) and the low-temperature is 38.7°F (3.7°C).

What is the average humidity in May?

In Mesa, the average relative humidity in May is 49%.

How much does it rain in May?

In Mesa, in May, it is raining for 13.6 days, with typically 1.61" (41mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.6 snowfall days, in May, Mesa aggregates 0.24" (6mm) of snow.

What is the average length of the day in May?

In May, the average day length is 14h and 20min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:13 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:32 pm MDT.

How long on average sun shines in May in Mesa?

The average sunshine duration in May is 11.2h.

What is the UV index intensity in May?

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Mesa, CO

Average temperature in May - Mesa, CO
  • Average high temperature in May: 62.4°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in May: 38.7°F

The month with the highest average low temperature is July (54.3°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

Average pressure in May
Mesa, CO

Average pressure in May - Mesa, CO
  • Average pressure in May: 29.91"Hg

The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is May (29.91"Hg).

Average wind speed in May
Mesa, CO

Average wind speed in May - Mesa, CO
  • Average wind speed in May: 6.7mph

The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).

Average humidity in May
Mesa, CO

Average humidity in May - Mesa, CO
  • Average humidity in May: 49%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is June (37%).

Average rainfall in May
Mesa, CO

Average rainfall in May - Mesa, CO
  • Average rainfall in May: 1.61"

The wettest month (with the highest rainfall) is March (2.09").
The driest month (with the least rainfall) is August (0.83").

Average rainfall days in May
Mesa, CO

Average rainfall days in May - Mesa, CO
  • Average rainfall days in May: 13.6 days

The month with the highest number of rainy days is April (15.5 days).
The month with the least rainy days is November (6.2 days).

Average snowfall in May
Mesa, CO

Average snowfall in May - Mesa, CO
  • Average snowfall in May: 0.24"

The month with the highest snowfall is January (12.28").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Mesa, CO

Average snowfall days in May - Mesa, CO
  • Average snowfall days in May: 0.6 days

The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Mesa, CO

Average daylight in May / Average sunshine in May - Mesa, CO
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 11h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).

Average sunshine days in May
Mesa, CO

Average sunshine days in May - Mesa, CO
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is August (20.8 days).
The month with the least sunshine days is February (10.7 days).

Average UV index in May
Mesa, CO

Average UV index in May - Mesa, CO
  • Average UV index in May: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in May
Mesa, CO

Average cloud cover in May - Mesa, CO
  • Average cloud cover in May: 23

The month with the most cloud cover is February (Cloud cover 40).
The months with the least cloud cover are June and September (Cloud cover 14).

Average visibility in May
Mesa, CO

Average visibility in May - Mesa, CO
  • Average visibility in May: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Mesa, Colorado, USA

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