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 shift from April to May is marked by a slight increase in the average high-temperature, moving from a moderate 58.1°F (14.5°C) to a still refreshing 66°F (18.9°C). May nights report a substantial dip from daytime highs to an average of 43.2°F (6.2°C).Humidity
In Barlow, the average relative humidity in May is 75%.Rainfall
In Barlow, in May, it is raining for 14.3 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, there are 173.8 rainfall days, and 29.96" (761mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Barlow.Daylight
The average length of the day in May is 14h and 54min.On the first day of the month, sunrise is at 5:58 am and sunset at 8:17 pm. On the last day of May, sunrise is at 5:26 am and sunset at 8:51 pm PDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
In Barlow, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 4 during May translates into the following directions:
Guard yourself - Avoiding sunburn is suggested. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Barlow?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
How many hours of daylight does Barlow have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Barlow, OR
- Average high temperature in May: 66°F
The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in May: 43.2°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure in May
Barlow, OR
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in May
Barlow, OR
- Average wind speed in May: 4.2mph
The windiest months (with the highest average wind speed) are January and February (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in May
Barlow, OR
- Average humidity in May: 75%
The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is August (65%).
Average rainfall in May
Barlow, OR
- Average rainfall in May: 1.73"
The wettest month (with the highest rainfall) is December (4.49").
The driest months (with the least rainfall) are July and August (0.31").
Average rainfall days in May
Barlow, OR
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is March (20.9 days).
The months with the least rainy days are July and August (4.4 days).
Average snowfall in May
Barlow, 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
Barlow, OR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Barlow, OR
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in May
Barlow, OR
- Average sunshine days in May: 15.6 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (8.3 days).
Average UV index in May
Barlow, 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, November and December (UV index 2).
Average cloud cover in May
Barlow, OR
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in May
Barlow, OR
- Average visibility in May: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).
Barlow, Oregon, USA
Weather forecast for your location
2. Allow the app to use your location