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 beginning of May marks a shift in the average high-temperature, moving from April's cool 50.5°F (10.3°C) to a comfortable 60.8°F (16°C). Halfway documents a substantial shift from daytime warmth, recording an average nighttime temperature of 38.3°F (3.5°C) in May.Humidity
In May, the average relative humidity is 63%.Rainfall
In Halfway, during May, the rain falls for 13.3 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Halfway, during the entire year, the rain falls for 113.5 days and collects up to 12.56" (319mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.4 snowfall days, in May, Halfway aggregates 0.24" (6mm) of snow. Throughout the year, there are 65.1 snowfall days, and 38.9" (988mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 52min.On the first day of May, sunrise is at 5:36 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:05 am and sunset at 8:27 pm PDT.
Sunshine
In May, the average sunshine is 11.1h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 4 in May interprets into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. When the Sun is at its strongest around midday, find shade and limit exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How long on average sun shines in May in Halfway?
What is the UV index intensity in May?
Average temperature in May
Halfway, OR
- Average high temperature in May: 60.8°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (30.7°F).
- Average low temperature in May: 38.3°F
The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).
Average pressure in May
Halfway, OR
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in May
Halfway, OR
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are September and October (5.4mph).
Average humidity in May
Halfway, OR
- Average humidity in May: 63%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (40%).
Average rainfall in May
Halfway, OR
- Average rainfall in May: 1.22"
The wettest month (with the highest rainfall) is December (1.77").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in May
Halfway, OR
- Average rainfall days in May: 13.3 days
The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in May
Halfway, OR
- Average snowfall in May: 0.24"
The month with the highest snowfall is December (10.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Halfway, OR
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is December (14.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Halfway, 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: 11h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in May
Halfway, OR
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is July (22.7 days).
The months with the least sunshine days are February and March (11.3 days).
Average UV index in May
Halfway, 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 January (UV index 1).
Average cloud cover in May
Halfway, OR
- Average cloud cover in May: 27
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in May
Halfway, OR
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Halfway, Oregon, USA
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