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 transition to May introduces an increase in the average high-temperature, shifting from a cool 53.1°F (11.7°C) in April to a comfortable 62.4°F (16.9°C). Prineville registers a significant reduction from the day's heat, with an average temperature drop to a cold 40.6°F (4.8°C) in May.Humidity
The average relative humidity in May is 59%.Rainfall
In Prineville, in May, during 14.1 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, there are 138.8 rainfall days, and 14.69" (373mm) of precipitation is accumulated.Snowfall
Months with snowfall in Prineville are January through May, September through December. May is the last month it regularly snows in Prineville. During 0.3 snowfall days, in May, Prineville aggregates 0.08" (2mm) of snow. In Prineville, during the entire year, snow falls for 53.7 days and aggregates up to 25" (635mm) of snow.Daylight
In May, the average length of the day in Prineville is 14h and 49min.On the first day of May, sunrise is at 5:52 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 8:39 pm PDT.
Sunshine
In May, the average sunshine is 10.9h.UV index
The average daily maximum UV index in May in Prineville is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 4 during May leads to these advisories:
Take necessary precautions - Defending against sun damage is advocated. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What are the temperatures in Prineville in May?
What is the average humidity in May in Prineville?
How many days does it rain in May in Prineville?
What is the last month it snows in Prineville?
What is the average length of the day in May in Prineville?
What time are sunrise and sunset in May in Prineville?
How long on average sun shines in May in Prineville?
What is the UV index reading in May in Prineville?
Average temperature in May
Prineville, OR
- Average high temperature in May: 62.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in May: 40.6°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is December (25°F).
Average pressure in May
Prineville, OR
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in May
Prineville, OR
- Average wind speed in May: 6.6mph
The windiest months (with the highest average wind speed) are March and April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Prineville, OR
- Average humidity in May: 59%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (45%).
Average rainfall in May
Prineville, OR
- Average rainfall in May: 1.5"
The wettest month (with the highest rainfall) is December (1.89").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in May
Prineville, OR
- Average rainfall days in May: 14.1 days
The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is July (4.2 days).
Average snowfall in May
Prineville, OR
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (6.54").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Prineville, OR
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is December (13.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Prineville, OR
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 10h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Prineville, OR
- Average sunshine days in May: 13.7 days
The month with the most sunshine days is July (24.8 days).
The month with the least sunshine days is March (8.8 days).
Average UV index in May
Prineville, OR
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Prineville, OR
- Average cloud cover in May: 30
The month with the most cloud cover is December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in May
Prineville, OR
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Prineville, Oregon, USA
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