May weather forecastFossil, OR
May
Weather in May
The last month of the spring, May, is a comfortable month in Fossil, Oregon, with an average temperature ranging between min 45.5°F (7.5°C) and max 66.2°F (19°C).Temperature
May's arrival signals an increase in average high-temperatures, moving from April's mild 56.8°F (13.8°C) to a comfortable 66.2°F (19°C). In Fossil, May is marked by an average low-temperature of 45.5°F (7.5°C).Humidity
The average relative humidity in May is 57%.Rainfall
In Fossil, Oregon, during May, the rain falls for 12.3 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Fossil, during the entire year, the rain falls for 131.9 days and collects up to 13.54" (344mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows in Fossil. During 0.2 snowfall days, in May, Fossil aggregates 0.04" (1mm) of snow. Throughout the year, there are 31.3 snowfall days, and 18.54" (471mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 53min.On the first day of May, sunrise is at 5:48 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:40 pm PDT.
Sunshine
The average sunshine in May is 10.9h.UV index
In Fossil, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 4 in May suggests the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Fossil, OR
- Average high temperature in May: 66.2°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is December (37.9°F).
- Average low temperature in May: 45.5°F
The month with the highest average low temperature is August (60.8°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).
Average pressure in May
Fossil, OR
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in May
Fossil, OR
- Average wind speed in May: 8.7mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is September (7.2mph).
Average humidity in May
Fossil, OR
- Average humidity in May: 57%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (39%).
Average rainfall in May
Fossil, OR
- Average rainfall in May: 1.18"
The wettest month (with the highest rainfall) is February (1.81").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in May
Fossil, OR
- Average rainfall days in May: 12.3 days
The month with the highest number of rainy days is March (17 days).
The month with the least rainy days is August (4.1 days).
Average snowfall in May
Fossil, OR
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (6.61").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Fossil, OR
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is December (9.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Fossil, OR
- Average daylight in May: 14h and 54min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 10h and 54min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and February (Average sunshine: 5h and 18min).
Average sunshine days in May
Fossil, OR
- Average sunshine days in May: 16.3 days
The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is March (9.5 days).
Average UV index in May
Fossil, OR
- Average UV index in May: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Fossil, OR
- Average cloud cover in May: 28
The months with the most cloud cover are January and February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in May
Fossil, OR
- 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).
