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
Winston observes a slight uplift in the average high-temperature with the onset of May, adjusting from April's mild 57.6°F (14.2°C) to a still refreshing 65.3°F (18.5°C). Nighttime temperatures throughout May register a significant deviation from the day's highs, averaging at a wintry 38.7°F (3.7°C).Humidity
In Winston, Oregon, the average relative humidity in May is 79%.Rainfall
In Winston, during May, the rain falls for 12.3 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Winston, during the entire year, the rain falls for 148.4 days and collects up to 25" (635mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May in Winston is 14h and 41min.On the first day of the month, sunrise is at 6:05 am and sunset at 8:15 pm. On the last day of May, sunrise is at 5:36 am and sunset at 8:46 pm PDT.
Sunshine
The average sunshine in May in Winston is 8.3h.UV index
In May, the average daily maximum UV index in Winston, Oregon, is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the maximum UV index of 4 transforms into these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What are the temperatures in Winston in May?
What is the average humidity in May in Winston?
How much does it rain in Winston in May?
When it does not snow in Winston?
What is the average length of the day in May in Winston?
What time are sunrise and sunset in May in Winston?
How many hours of sunshine does Winston have in May?
What is the UV index intensity in May in Winston?
Average temperature in May
Winston, OR
- Average high temperature in May: 65.3°F
The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (46.2°F).
- Average low temperature in May: 38.7°F
The month with the highest average low temperature is August (47.5°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in May
Winston, OR
- Average pressure in May: 30.04"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in May
Winston, OR
- Average wind speed in May: 3.7mph
The windiest month (with the highest average wind speed) is January (4mph).
The calmest months (with the lowest average wind speed) are September and October (3.2mph).
Average humidity in May
Winston, OR
- Average humidity in May: 79%
The months with the highest relative humidity are February and December (87%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in May
Winston, OR
- Average rainfall in May: 1.85"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in May
Winston, OR
- Average rainfall days in May: 12.3 days
The month with the highest number of rainy days is March (19.4 days).
The month with the least rainy days is July (3.5 days).
Average snowfall in May
Winston, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Winston, OR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Winston, OR
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in May
Winston, OR
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is March (9.7 days).
Average UV index in May
Winston, 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
Winston, OR
- Average cloud cover in May: 51
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Winston, OR
- Average visibility in May: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
Winston, Oregon, USA
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