Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The arrival of May sees a shift in the average high-temperature, moving from a frosty 47.1°F (8.4°C) in April to a refreshing 58.1°F (14.5°C). Newcastle observes an average low-temperature of 39.6°F (4.2°C) during May nights.Humidity
The average relative humidity in May is 69%.Rainfall
In Newcastle, in May, during 17.1 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, there are 123.2 rainfall days, and 19.37" (492mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Newcastle. In Newcastle, in May, during 4 snowfall days, 3.86" (98mm) of snow is typically accumulated. Throughout the year, there are 80.3 snowfall days, and 41.38" (1051mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 46min.On the first day of May, sunrise is at 5:47 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:31 pm MDT.
Sunshine
The average sunshine in May is 10.1h.UV index
The average daily maximum UV index in May in Newcastle, Wyoming, is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 4 during May, leads to the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How many days does it rain in May?
How much does it snow in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Newcastle have in May?
What is the UV index intensity in May in Newcastle?
Average temperature in May
Newcastle, WY
- Average high temperature in May: 58.1°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (26.2°F).
- Average low temperature in May: 39.6°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is February (10.8°F).
Average pressure in May
Newcastle, WY
- Average pressure in May: 29.91"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Newcastle, WY
- Average wind speed in May: 9.6mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity in May
Newcastle, WY
- Average humidity in May: 69%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (53%).
Average rainfall in May
Newcastle, WY
- Average rainfall in May: 2.56"
The wettest months (with the highest rainfall) are June and July (2.68").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in May
Newcastle, WY
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in May
Newcastle, WY
- Average snowfall in May: 3.86"
The month with the highest snowfall is April (8.82").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Newcastle, WY
- Average snowfall days in May: 4 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Newcastle, WY
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in May
Newcastle, WY
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in May
Newcastle, WY
- 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, April, October, November and December (UV index 2).
Average cloud cover in May
Newcastle, WY
- Average cloud cover in May: 35
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in May
Newcastle, WY
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Newcastle, Wyoming, USA
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