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 onset of May marks an increase in the average high-temperature, moving from a refreshing 55.6°F (13.1°C) in April to a comfortable 65.3°F (18.5°C). Throughout the month of May, Guernsey sees a steady low-temperature average of 44.2°F (6.8°C).Humidity
In May, the average relative humidity is 54%.Rainfall
May is the month with the most rainfall. Rain falls for 12.7 days and accumulates 1.97" (50mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 2.3 snowfall days, in May, Guernsey aggregates 2.99" (76mm) of snow. In Guernsey, during the entire year, snow falls for 46.4 days and aggregates up to 27.13" (689mm) of snow.Daylight
In Guernsey, the average length of the day in May is 14h and 37min.On the first day of the month, sunrise is at 5:53 am and sunset at 7:58 pm. On the last day of May, in Guernsey, sunrise is at 5:24 am and sunset at 8:28 pm MDT.
Sunshine
In May, the average sunshine is 10.7h.UV index
In Guernsey, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Guernsey in May?
What is the average humidity in May?
What is the rainiest month?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Guernsey have in May?
What is the UV index reading in May?
Average temperature in May
Guernsey, WY
- Average high temperature in May: 65.3°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is December (35.1°F).
- Average low temperature in May: 44.2°F
The month with the highest average low temperature is July (62.8°F).
The coldest months (with the lowest average low temperature) are February and December (21.6°F).
Average pressure in May
Guernsey, WY
- Average pressure in May: 29.89"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Guernsey, WY
- Average wind speed in May: 9.8mph
The windiest month (with the highest average wind speed) is January (15mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in May
Guernsey, WY
- Average humidity in May: 54%
The month with the highest relative humidity is February (66%).
The month with the lowest relative humidity is August (39%).
Average rainfall in May
Guernsey, WY
- Average rainfall in May: 1.97"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in May
Guernsey, WY
- Average rainfall days in May: 12.7 days
The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in May
Guernsey, WY
- Average snowfall in May: 2.99"
The month with the highest snowfall is April (4.45").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Guernsey, WY
- Average snowfall days in May: 2.3 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Guernsey, WY
- 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 4min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 6h and 36min).
Average sunshine days in May
Guernsey, WY
- Average sunshine days in May: 14.9 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is April (14.5 days).
Average UV index in May
Guernsey, WY
- 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 January, February, November and December (UV index 2).
Average cloud cover in May
Guernsey, WY
- Average cloud cover in May: 28
The month with the most cloud cover is April (Cloud cover 31).
The months with the least cloud cover are August and September (Cloud cover 16).
Average visibility in May
Guernsey, WY
- 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).
Guernsey, Wyoming, USA
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