May weather forecastAllegany, OR
May
Weather in May
May, the last month of the spring in Allegany, is a mild month, with an average temperature ranging between min 44.6°F (7°C) and max 59.5°F (15.3°C).Temperature
The ushering in of May brings an average high-temperature of a mild 59.5°F (15.3°C), closely mirroring the 54.7°F (12.6°C) of April. An average low-temperature of 44.6°F (7°C) is noted during the nights in May in Allegany.Humidity
In Allegany, the average relative humidity in May is 82%.Rainfall
In May, the rain falls for 12.2 days. Throughout May, 1.77" (45mm) of precipitation is accumulated. Throughout the year, there are 156.2 rainfall days, and 34.17" (868mm) of precipitation is accumulated.Snowfall
March through October and December are months without snowfall.Daylight
In May, the average length of the day is 14h and 43min.On the first day of May, sunrise is at 6:07 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:49 pm PDT.
Sunshine
The average sunshine in May is 8.5h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 4 in May translates into the following instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Allegany, OR
- Average high temperature in May: 59.5°F
The warmest month (with the highest average high temperature) is August (68.5°F).
The month with the lowest average high temperature is December (48.7°F).
- Average low temperature in May: 44.6°F
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is February (40.3°F).
Average pressure in May
Allegany, OR
- Average pressure in May: 30.06"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is September (30.01"Hg).
Average wind speed in May
Allegany, OR
- Average wind speed in May: 7.2mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in May
Allegany, OR
- Average humidity in May: 82%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is October (81%).
Average rainfall in May
Allegany, OR
- Average rainfall in May: 1.77"
The wettest month (with the highest rainfall) is December (6.06").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in May
Allegany, OR
- Average rainfall days in May: 12.2 days
The month with the highest number of rainy days is March (19 days).
The month with the least rainy days is July (3.8 days).
Average snowfall in May
Allegany, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").
Average snowfall days in May
Allegany, OR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).
Average daylight in May /
Average sunshine in May
Allegany, OR
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in May
Allegany, OR
- Average sunshine days in May: 16 days
The month with the most sunshine days is July (25.1 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in May
Allegany, OR
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in May
Allegany, OR
- Average cloud cover in May: 47
The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and September (Cloud cover 32).
Average visibility in May
Allegany, OR
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The month with the lowest visibility is August (4mi).
