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
Altamont in May shows a temperature shift, moving from an average high of a fresh 52.5°F (11.4°C) in April to a refreshing 61.7°F (16.5°C). Despite a noticeable differential from daytime highs, Altamont notes an average nighttime low-temperature of 37.9°F (3.3°C) in May.Humidity
In May, the average relative humidity in Altamont is 64%.Rainfall
In Altamont, during May, the rain falls for 12 days and regularly aggregates up to 1.34" (34mm) of precipitation. In Altamont, during the entire year, the rain falls for 100.4 days and collects up to 13.15" (334mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. In Altamont, in May, during 2.2 snowfall days, 0.55" (14mm) of snow is typically accumulated. Throughout the year, there are 70.5 snowfall days, and 42.52" (1080mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 37min.On the first day of the month, sunrise is at 6:01 am and sunset at 8:06 pm. On the last day of May, sunrise is at 5:33 am and sunset at 8:36 pm PDT.
Sunshine
In Altamont, Oregon, the average sunshine in May is 10.9h.UV index
In May, the average daily maximum UV index in Altamont is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 4 in May translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What is the average May temperature in Altamont?
What is the average humidity in May in Altamont?
How many days does it rain in May in Altamont?
How many days does it snow in May in Altamont?
How many hours of daylight does Altamont have in May?
When is the sunrise / sunset in May in Altamont?
How many hours of sunshine does Altamont have in May?
What is the UV index reading in May in Altamont?
Average temperature in May
Altamont, OR
- Average high temperature in May: 61.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (36.9°F).
- Average low temperature in May: 37.9°F
The month with the highest average low temperature is July (48.6°F).
The coldest month (with the lowest average low temperature) is December (25.2°F).
Average pressure in May
Altamont, OR
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in May
Altamont, OR
- Average wind speed in May: 5.9mph
The windiest months (with the highest average wind speed) are March and April (6.3mph).
The calmest months (with the lowest average wind speed) are August and September (5mph).
Average humidity in May
Altamont, OR
- Average humidity in May: 64%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (49%).
Average rainfall in May
Altamont, OR
- Average rainfall in May: 1.34"
The wettest month (with the highest rainfall) is December (2.09").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in May
Altamont, OR
- Average rainfall days in May: 12 days
The month with the highest number of rainy days is April (13.1 days).
The month with the least rainy days is August (3.6 days).
Average snowfall in May
Altamont, OR
- Average snowfall in May: 0.55"
The month with the highest snowfall is December (10.63").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Altamont, OR
- Average snowfall days in May: 2.2 days
The month with the highest number of snowfall days is December (13.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Altamont, OR
- 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 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in May
Altamont, OR
- Average sunshine days in May: 17.4 days
The month with the most sunshine days is August (24.9 days).
The month with the least sunshine days is March (10.6 days).
Average UV index in May
Altamont, OR
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in May
Altamont, OR
- Average cloud cover in May: 29
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in May
Altamont, OR
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Altamont, Oregon, USA
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