May weather forecast
Portage, UT

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Weather in May

The last month of the spring, May, is a comfortable month in Portage, Utah, with an average temperature varying between 62.2°F (16.8°C) and 39.2°F (4°C).

Temperature

The arrival of May brings a change in Portage's weather, with average high-temperatures moving from April's fresh 51.8°F (11°C) to an enjoyable 62.2°F (16.8°C). May is characterized by a distinct thermal shift, with nighttime lows averaging at an icy 39.2°F (4°C).

Humidity

In Portage, the average relative humidity in May is 57%.

Rainfall

In Portage, in May, during 15.9 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. In Portage, Utah, during the entire year, the rain falls for 118.3 days and collects up to 16.42" (417mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. May is the last month it regularly snows. During 0.6 snowfall days, in May, Portage aggregates 0.47" (12mm) of snow. In Portage, during the entire year, snow falls for 68.7 days and aggregates up to 48.82" (1240mm) of snow.

Daylight

In Portage, the average length of the day in May is 14h and 35min.
On the first day of the month, sunrise is at 6:23 am and sunset at 8:28 pm. On the last day of May, sunrise is at 5:55 am and sunset at 8:57 pm MDT.

Sunshine

In Portage, the average sunshine in May is 10.8h.

UV index

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In May, the maximum UV index of 4 transforms into these recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

What is the average May temperature?

In May, the average high-temperature and low-temperature are 62.2°F (16.8°C) and 39.2°F (4°C) respectively.

What is the average humidity in May?

The average relative humidity in May is 57%.

How many days does it rain in May?

In Portage, Utah, in May, it is raining for 15.9 days, with typically 1.81" (46mm) of accumulated precipitation.

What is the last month it snows in Portage?

May is the last month it regularly snows. During 0.6 snowfall days, in May, Portage aggregates 0.47" (12mm) of snow.

What is the average length of the day in May?

The average day length in May is 14h and 35min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:23 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:57 pm MDT.

How long on average sun shines in May?

In Portage, the average sunshine duration in May is 10.8h.

What is the UV index reading in May?

In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
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
Portage, UT

Average temperature in May - Portage, UT
  • Average high temperature in May: 62.2°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (28.9°F).

  • Average low temperature in May: 39.2°F

The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in May
Portage, UT

Average pressure in May - Portage, UT
  • Average pressure in May: 29.9"Hg

The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in May
Portage, UT

Average wind speed in May - Portage, UT
  • Average wind speed in May: 6.1mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).

Average humidity in May
Portage, UT

Average humidity in May - Portage, UT
  • Average humidity in May: 57%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (35%).

Average rainfall in May
Portage, UT

Average rainfall in May - Portage, UT
  • Average rainfall in May: 1.81"

The wettest month (with the highest rainfall) is February (2.05").
The driest month (with the least rainfall) is July (0.55").

Average rainfall days in May
Portage, UT

Average rainfall days in May - Portage, UT
  • Average rainfall days in May: 15.9 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in May
Portage, UT

Average snowfall in May - Portage, UT
  • Average snowfall in May: 0.47"

The month with the highest snowfall is January (13.78").
The months with the least snowfall are June, July and August (0").

Average snowfall days in May
Portage, UT

Average snowfall days in May - Portage, UT
  • Average snowfall days in May: 0.6 days

The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in May /
Average sunshine in May
Portage, UT

Average daylight in May / Average sunshine in May - Portage, UT
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 10h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in May
Portage, UT

Average sunshine days in May - Portage, UT
  • Average sunshine days in May: 11.7 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is February (9.9 days).

Average UV index in May
Portage, UT

Average UV index in May - Portage, UT
  • Average UV index in May: 4

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in May
Portage, UT

Average cloud cover in May - Portage, UT
  • Average cloud cover in May: 26

The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in May
Portage, UT

Average visibility in May - Portage, UT
  • Average visibility in May: 6mi

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

Portage, Utah, USA

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