May weather forecast
Mountain Mesa, CA

Share

Weather in May

The last month of the spring, May, is a pleasant month in Mountain Mesa, California, with an average temperature varying between 44.2°F (6.8°C) and 68°F (20°C).

Temperature

In Mountain Mesa, the average high-temperature in May slightly rises, from a refreshing 61.3°F (16.3°C) in April, to a pleasant 68°F (20°C). Despite the stark contrast with daytime temperatures, Mountain Mesa's May nights average at a frosty 44.2°F (6.8°C).

Humidity

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

Rainfall

In Mountain Mesa, during May, the rain falls for 5.5 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 65.1 rainfall days, and 12.28" (312mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall. May is the last month it regularly snows in Mountain Mesa. During 0.1 snowfall days, in May, Mountain Mesa aggregates 0.04" (1mm) of snow. In Mountain Mesa, during the entire year, snow falls for 9.3 days and aggregates up to 9.65" (245mm) of snow.

Daylight

In Mountain Mesa, the average length of the day in May is 14h and 4min.
On the first day of the month, sunrise is at 6:00 am and sunset at 7:40 pm. On the last day of May, sunrise is at 5:39 am and sunset at 8:03 pm PDT.

Sunshine

In Mountain Mesa, the average sunshine in May is 11.2h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 5 in May translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Updated: Jun 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

The high-temperature during May is 68°F (20°C) and the low-temperature is 44.2°F (6.8°C).

What is the average humidity in May?

The average relative humidity in May is 49%.

How much does it rain in May?

In Mountain Mesa, during May, the rain falls for 5.5 days and regularly aggregates up to 0.79" (20mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Mountain Mesa aggregates 0.04" (1mm) of snow.

How many hours of daylight does Mountain Mesa have in May?

In Mountain Mesa, the average day length in May is 14h and 4min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:00 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:03 pm PDT.

How long on average sun shines in May?

In May, the average sunshine duration is 11.2h.

How high is the UV index in May?

The average daily maximum UV index in May in Mountain Mesa is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Mountain Mesa, CA

Average temperature in May - Mountain Mesa, CA
  • Average high temperature in May: 68°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is December (49.3°F).

  • Average low temperature in May: 44.2°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is December (32.4°F).

Average pressure in May
Mountain Mesa, CA

Average pressure in May - Mountain Mesa, CA
  • Average pressure in May: 29.9"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in May
Mountain Mesa, CA

Average wind speed in May - Mountain Mesa, CA
  • Average wind speed in May: 7.4mph

The windiest month (with the highest average wind speed) is May (7.4mph).
The calmest month (with the lowest average wind speed) is September (5.4mph).

Average humidity in May
Mountain Mesa, CA

Average humidity in May - Mountain Mesa, CA
  • Average humidity in May: 49%

The month with the highest relative humidity is February (61%).
The month with the lowest relative humidity is August (31%).

Average rainfall in May
Mountain Mesa, CA

Average rainfall in May - Mountain Mesa, CA
  • Average rainfall in May: 0.79"

The wettest month (with the highest rainfall) is January (2.24").
The driest month (with the least rainfall) is June (0.2").

Average rainfall days in May
Mountain Mesa, CA

Average rainfall days in May - Mountain Mesa, CA
  • Average rainfall days in May: 5.5 days

The month with the highest number of rainy days is March (10.1 days).
The month with the least rainy days is June (1.5 days).

Average snowfall in May
Mountain Mesa, CA

Average snowfall in May - Mountain Mesa, CA
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in May
Mountain Mesa, CA

Average snowfall days in May - Mountain Mesa, CA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Mountain Mesa, CA

Average daylight in May / Average sunshine in May - Mountain Mesa, CA
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in May: 11h and 1min

The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and February (Average sunshine: 6h and 24min).

Average sunshine days in May
Mountain Mesa, CA

Average sunshine days in May - Mountain Mesa, CA
  • Average sunshine days in May: 24.2 days

The month with the most sunshine days is June (27.4 days).
The month with the least sunshine days is February (19.2 days).

Average UV index in May
Mountain Mesa, CA

Average UV index in May - Mountain Mesa, CA
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are November and December (UV index 2).

Average cloud cover in May
Mountain Mesa, CA

Average cloud cover in May - Mountain Mesa, CA
  • Average cloud cover in May: 17

The month with the most cloud cover is March (Cloud cover 31).
The months with the least cloud cover are August and September (Cloud cover 6).

Average visibility in May
Mountain Mesa, CA

Average visibility in May - Mountain Mesa, 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).

Mountain Mesa, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location