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
May's arrival coincides with a subtle temperature rise, moving from April's fresh 55°F (12.8°C) to a refreshing 63.5°F (17.5°C). Vernonia, after an intense day, registers a significant cooling to an average low-temperature of 41°F (5°C) throughout May.Humidity
In Vernonia, the average relative humidity in May is 79%.Rainfall
In Vernonia, during May, the rain falls for 14.6 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Vernonia, during the entire year, the rain falls for 184.4 days and collects up to 36.61" (930mm) of precipitation.Snowfall
In Vernonia, Oregon, snow does not fall in May through October.Daylight
In Vernonia, the average length of the day in May is 14h and 58min.On the first day of May in Vernonia, sunrise is at 5:58 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 8:55 pm PDT.
Sunshine
The average sunshine in May is 7.6h.UV index
The average daily maximum UV index in May in Vernonia is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What is the usual temperature for Vernonia in May?
What is the average humidity in May in Vernonia?
How much does it rain in Vernonia in May?
When it does not snow in Vernonia?
Does it snow in Vernonia in May?
What is the average length of the day in May in Vernonia?
When is the sunrise / sunset in May in Vernonia?
How long on average sun shines in May in Vernonia?
What is the UV index intensity in May in Vernonia?
Average temperature in May
Vernonia, OR
- Average high temperature in May: 63.5°F
The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is December (42.1°F).
- Average low temperature in May: 41°F
The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in May
Vernonia, OR
- Average pressure in May: 30.04"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.02"Hg).
Average wind speed in May
Vernonia, OR
- Average wind speed in May: 4.3mph
The windiest months (with the highest average wind speed) are January, March and November (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in May
Vernonia, OR
- Average humidity in May: 79%
The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is July (73%).
Average rainfall in May
Vernonia, OR
- Average rainfall in May: 2.17"
The wettest month (with the highest rainfall) is January (5.79").
The driest months (with the least rainfall) are July and August (0.51").
Average rainfall days in May
Vernonia, OR
- Average rainfall days in May: 14.6 days
The month with the highest number of rainy days is March (21.7 days).
The month with the least rainy days is July (6 days).
Average snowfall in May
Vernonia, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Vernonia, OR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4.4 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
Vernonia, OR
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 7h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in May
Vernonia, OR
- Average sunshine days in May: 15.2 days
The month with the most sunshine days is July (22.1 days).
The months with the least sunshine days are February and March (7.6 days).
Average UV index in May
Vernonia, 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 January, February, November and December (UV index 2).
Average cloud cover in May
Vernonia, OR
- Average cloud cover in May: 55
The months with the most cloud cover are February and March (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Vernonia, OR
- Average visibility in May: 4mi
The months with the highest visibility are July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (4mi).
Vernonia, Oregon, USA
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