May weather forecast
Newcastle, UT

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Weather in May

The last month of the spring, May, is an enjoyable month in Newcastle, Utah, with an average temperature ranging between min 42.1°F (5.6°C) and max 64.9°F (18.3°C).

Temperature

In Newcastle, the average high-temperature in May increases from a cool 55.2°F (12.9°C) in April to a comfortable 64.9°F (18.3°C). Newcastle anticipates a pronounced temperature drop from daily highs during the nights of May, with an average low of 42.1°F (5.6°C).

Humidity

In May, the average relative humidity is 38%.

Rainfall

In Newcastle, during May, the rain falls for 7.7 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, there are 84.2 rainfall days, and 9.21" (234mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Newcastle are January through May, October through December. May is the last month it regularly snows. During 0.5 snowfall days, in May, Newcastle aggregates 0.12" (3mm) of snow. In Newcastle, during the entire year, snow falls for 33.4 days and aggregates up to 18.11" (460mm) of snow.

Daylight

In May, the average length of the day is 14h and 13min.
On the first day of the month, sunrise is at 6:37 am and sunset at 8:24 pm. On the last day of May, sunrise is at 6:14 am and sunset at 8:49 pm MDT.

Sunshine

The average sunshine in May is 11.3h.

UV index

In Newcastle, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: An average UV index of 5 in May transforms into this advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Avoiding the Sun during its peak radiation time around midday is a healthy practice. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Newcastle in May?

During May, Newcastle experiences an average high-temperature of 64.9°F (18.3°C) and a low-temperature of 42.1°F (5.6°C).

What is the average humidity in May?

The average relative humidity in May is 38%.

How many days does it rain in May?

In Newcastle, Utah, in May, it is raining for 7.7 days, with typically 0.71" (18mm) of accumulated precipitation.

What is the last month it snows in Newcastle?

May is the last month it regularly snows. During 0.5 snowfall days, in May, Newcastle aggregates 0.12" (3mm) of snow.

How many hours of daylight does Newcastle have in May?

In May, the average day length is 14h and 13min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:37 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:49 pm MDT.

How long on average sun shines in May?

In Newcastle, the average sunshine duration in May is 11.3h.

What is the UV index reading in May?

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents 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
Newcastle, UT

Average temperature in May - Newcastle, UT
  • Average high temperature in May: 64.9°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (36.5°F).

  • Average low temperature in May: 42.1°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is December (20.8°F).

Average pressure in May
Newcastle, UT

Average pressure in May - Newcastle, UT
  • Average pressure in May: 29.86"Hg

The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in May
Newcastle, UT

Average wind speed in May - Newcastle, UT
  • Average wind speed in May: 8.3mph

The windiest month (with the highest average wind speed) is June (8.5mph).
The calmest month (with the lowest average wind speed) is January (6.2mph).

Average humidity in May
Newcastle, UT

Average humidity in May - Newcastle, UT
  • Average humidity in May: 38%

The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is June (26%).

Average rainfall in May
Newcastle, UT

Average rainfall in May - Newcastle, UT
  • Average rainfall in May: 0.71"

The wettest month (with the highest rainfall) is July (1.81").
The driest month (with the least rainfall) is June (0.24").

Average rainfall days in May
Newcastle, UT

Average rainfall days in May - Newcastle, UT
  • Average rainfall days in May: 7.7 days

The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is November (3.2 days).

Average snowfall in May
Newcastle, UT

Average snowfall in May - Newcastle, UT
  • Average snowfall in May: 0.12"

The month with the highest snowfall is December (4.25").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Newcastle, UT

Average snowfall days in May - Newcastle, UT
  • Average snowfall days in May: 0.5 days

The month with the highest number of snowfall days is December (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Newcastle, UT
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in May: 11h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).

Average sunshine days in May
Newcastle, UT

Average sunshine days in May - Newcastle, UT
  • Average sunshine days in May: 19.5 days

The month with the most sunshine days is June (24 days).
The month with the least sunshine days is July (13.4 days).

Average UV index in May
Newcastle, UT

Average UV index in May - Newcastle, UT
  • Average UV index in May: 5

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Newcastle, UT

Average cloud cover in May - Newcastle, UT
  • Average cloud cover in May: 17

The month with the most cloud cover is December (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 8).

Average visibility in May
Newcastle, UT

Average visibility in May - Newcastle, UT
  • 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).

Newcastle, Utah, USA

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