May weather forecastRobertson, WY
May
Weather in May
May, the last month of the spring in Robertson, is a moderate month, with temperature in the range of an average high of 57°F (13.9°C) and an average low of 37.8°F (3.2°C).Temperature
With the onset of May, Robertson's weather sees a temperature rise, transitioning from a frosty 45.9°F (7.7°C) in April to a mild 57°F (13.9°C). May nights cool down to an average low-temperature of 37.8°F (3.2°C).Humidity
In May, the average relative humidity is 53%.Rainfall
The month with the most rainfall in Robertson is May, when the rain falls for 16.1 days and typically aggregates up to 2.01" (51mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In Robertson, in May, during 4 snowfall days, 2.01" (51mm) of snow is typically accumulated. In Robertson, Wyoming, during the entire year, snow falls for 85.7 days and aggregates up to 41.18" (1046mm) of snow.Daylight
The average length of the day in May is 14h and 31min.On the first day of May, sunrise is at 6:18 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:47 pm MDT.
Sunshine
In May, the average sunshine is 11h.UV index
In May, the average daily maximum UV index in Robertson, Wyoming, is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in May interprets into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Boost your sun resistance with garments that are densely woven yet spacious. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Robertson, WY
- Average high temperature in May: 57°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is December (26.6°F).
- Average low temperature in May: 37.8°F
The month with the highest average low temperature is July (55.6°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in May
Robertson, WY
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Robertson, WY
- Average wind speed in May: 9.2mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in May
Robertson, WY
- Average humidity in May: 53%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in May
Robertson, WY
- Average rainfall in May: 2.01"
The wettest month (with the highest rainfall) is May (2.01").
The driest months (with the least rainfall) are January and July (0.63").
Average rainfall days in May
Robertson, WY
- Average rainfall days in May: 16.1 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is November (6 days).
Average snowfall in May
Robertson, WY
- Average snowfall in May: 2.01"
The month with the highest snowfall is March (8.78").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Robertson, WY
- Average snowfall days in May: 4 days
The month with the highest number of snowfall days is 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
Robertson, WY
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 11h and 0min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in May
Robertson, WY
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is April (9.4 days).
Average UV index in May
Robertson, 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
Robertson, WY
- Average cloud cover in May: 24
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in May
Robertson, WY
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
