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
With the onset of May, Merna experiences a temperature shift, with the average high-temperature moving from a chilly 43°F (6.1°C) in April to a cool 55°F (12.8°C). Merna temperatures generally rest at a low of 36.5°F (2.5°C) during the May nights.Humidity
In Merna, the average relative humidity in May is 57%.Rainfall
May is the month with the most rainfall. Rain falls for 14.3 days and accumulates 1.65" (42mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In May, it is snowing for 3.8 days. Throughout May, 2.36" (60mm) of snow is accumulated. In Merna, during the entire year, snow falls for 89 days and aggregates up to 43.43" (1103mm) of snow.Daylight
In May, the average length of the day in Merna is 14h and 40min.On the first day of May in Merna, sunrise is at 6:13 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:53 pm MDT.
Sunshine
In May, the average sunshine is 11.1h.UV index
The average daily maximum UV index in May in Merna is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 4 during May translates into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Merna?
What is the average humidity in May in Merna?
What is the rainiest month in Merna?
How much does it rain in Merna in May?
How many days does it snow in May in Merna?
What is the average length of the day in May in Merna?
When is the sunrise / sunset in May in Merna?
How many hours of sunshine does Merna have in May?
What is the UV index reading in May in Merna?
Average temperature in May
Merna, WY
- Average high temperature in May: 55°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is December (23.7°F).
- Average low temperature in May: 36.5°F
The month with the highest average low temperature is July (52°F).
The coldest month (with the lowest average low temperature) is December (5°F).
Average pressure in May
Merna, WY
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Merna, WY
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is June (7mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).
Average humidity in May
Merna, WY
- Average humidity in May: 57%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is August (39%).
Average rainfall in May
Merna, WY
- Average rainfall in May: 1.65"
The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are July and August (0.63").
Average rainfall days in May
Merna, WY
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is November (6.9 days).
Average snowfall in May
Merna, WY
- Average snowfall in May: 2.36"
The month with the highest snowfall is April (7.36").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Merna, WY
- Average snowfall days in May: 3.8 days
The months with the highest number of snowfall days are February and March (15.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Merna, WY
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in May
Merna, WY
- Average sunshine days in May: 10.9 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in May
Merna, 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
Merna, WY
- Average cloud cover in May: 26
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in May
Merna, WY
- 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 and February (4mi).
Merna, Wyoming, USA
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