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 onset of May notes an average high-temperature of a refreshing 58.5°F (14.7°C), subtly shifted from April's 53.2°F (11.8°C). Tidewater registers a consistent average low-temperature of 46.8°F (8.2°C) during May.Humidity
The months with the lowest humidity are April through July, September and October, with an average relative humidity of 81%.Rainfall
In Tidewater, Oregon, in May, during 9.2 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, there are 130.2 rainfall days, and 16.34" (415mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
In May, the average length of the day is 14h and 49min.On the first day of May, sunrise is at 6:04 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:52 pm PDT.
Sunshine
The average sunshine in May is 8.4h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Tidewater in May?
What is the least humid month?
What is the average humidity in May in Tidewater?
How much does it rain in May?
When it does not snow?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Tidewater, OR
- Average high temperature in May: 58.5°F
The warmest month (with the highest average high temperature) is August (67.6°F).
The month with the lowest average high temperature is December (47.8°F).
- Average low temperature in May: 46.8°F
The months with the highest average low temperature are July and August (53.1°F).
The coldest month (with the lowest average low temperature) is December (40.8°F).
Average pressure in May
Tidewater, OR
- Average pressure in May: 30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are August and September (30.02"Hg).
Average wind speed in May
Tidewater, OR
- Average wind speed in May: 8mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Tidewater, OR
- Average humidity in May: 81%
The months with the highest relative humidity are January, February, March, November and December (83%).
The months with the lowest relative humidity are April, May, June, July, September and October (81%).
Average rainfall in May
Tidewater, OR
- Average rainfall in May: 0.94"
The wettest month (with the highest rainfall) is December (2.68").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in May
Tidewater, OR
- Average rainfall days in May: 9.2 days
The month with the highest number of rainy days is March (17.1 days).
The month with the least rainy days is August (3 days).
Average snowfall in May
Tidewater, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Tidewater, OR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Tidewater, 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: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 4h and 0min).
Average sunshine days in May
Tidewater, OR
- Average sunshine days in May: 19.5 days
The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is February (11.5 days).
Average UV index in May
Tidewater, 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
Tidewater, OR
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in May
Tidewater, OR
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
Tidewater, Oregon, USA
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