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
Pomeroy's weather in May presents a minor rise in the average high-temperature, moving from a moderate 56.1°F (13.4°C) in April to a still refreshing 65.1°F (18.4°C). During the nights in May, Pomeroy experiences a consistent average temperature of 44.8°F (7.1°C).Humidity
In May, the average relative humidity is 64%.Rainfall
In May, the rain falls for 11.6 days. Throughout May, 1.26" (32mm) of precipitation is accumulated. In Pomeroy, during the entire year, the rain falls for 122.8 days and collects up to 13.43" (341mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Pomeroy aggregates 0.04" (1mm) of snow. Throughout the year, there are 32.7 snowfall days, and 16.77" (426mm) of snow is accumulated.Daylight
The average length of the day in May is 15h and 2min.On the first day of May, sunrise is at 5:34 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:01 am and sunset at 8:35 pm PDT.
Sunshine
In May, the average sunshine is 10.5h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Act with care - The need to guard against sun damage is communicated. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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 much does it rain in May?
What is the last month it snows?
How many hours of daylight does Pomeroy have in May?
When is the sunrise / sunset in May in Pomeroy?
How many hours of sunshine does Pomeroy have in May?
How high is the UV index in May?
Average temperature in May
Pomeroy, WA
- Average high temperature in May: 65.1°F
The warmest month (with the highest average high temperature) is August (83.8°F).
The month with the lowest average high temperature is December (36.3°F).
- Average low temperature in May: 44.8°F
The month with the highest average low temperature is August (61.7°F).
The coldest month (with the lowest average low temperature) is December (25.9°F).
Average pressure in May
Pomeroy, WA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in May
Pomeroy, WA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest months (with the lowest average wind speed) are August and September (6mph).
Average humidity in May
Pomeroy, WA
- Average humidity in May: 64%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (37%).
Average rainfall in May
Pomeroy, WA
- Average rainfall in May: 1.26"
The wettest months (with the highest rainfall) are March and December (1.69").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in May
Pomeroy, WA
- Average rainfall days in May: 11.6 days
The month with the highest number of rainy days is March (15.7 days).
The month with the least rainy days is July (4.8 days).
Average snowfall in May
Pomeroy, WA
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Pomeroy, WA
- Average snowfall days in May: 0.2 days
The months with the highest number of snowfall days are February and December (8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Pomeroy, WA
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 10h and 3min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in May
Pomeroy, WA
- Average sunshine days in May: 16.8 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (11.9 days).
Average UV index in May
Pomeroy, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Pomeroy, WA
- Average cloud cover in May: 30
The months with the most cloud cover are January and February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in May
Pomeroy, WA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Pomeroy, Washington, USA
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