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
Smithville's weather in May shows a rise in the average high-temperature, moving up from April's refreshing 55.8°F (13.2°C) to an enjoyable 65.8°F (18.8°C). May nights showcase a dramatic shift from daytime highs to an average temperature of 43.3°F (6.3°C).Humidity
In May, the average relative humidity is 63%.Rainfall
In May, the rain falls for 9.8 days. Throughout May, 0.87" (22mm) of precipitation is accumulated. Throughout the year, there are 133.5 rainfall days, and 16.93" (430mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Smithville, the average length of the day in May is 14h and 56min.On the first day of May, sunrise is at 5:50 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:46 pm PDT.
Sunshine
In May, the average sunshine is 10.9h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Be vigilant - Suggestions to stave off sun damage are provided. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May in Smithville?
How much does it rain in May?
When it does not snow in Smithville?
How many hours of daylight does Smithville have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Smithville, WA
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (37°F).
- Average low temperature in May: 43.3°F
The month with the highest average low temperature is August (55.8°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).
Average pressure in May
Smithville, WA
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in May
Smithville, WA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).
Average humidity in May
Smithville, WA
- Average humidity in May: 63%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in May
Smithville, WA
- Average rainfall in May: 0.87"
The wettest month (with the highest rainfall) is January (2.99").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in May
Smithville, WA
- Average rainfall days in May: 9.8 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in May
Smithville, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Smithville, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (4.4 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
Smithville, WA
- 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: 10h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in May
Smithville, WA
- Average sunshine days in May: 18.4 days
The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is March (10.6 days).
Average UV index in May
Smithville, WA
- Average UV index in May: 5
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
Smithville, WA
- Average cloud cover in May: 28
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in May
Smithville, WA
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Smithville, Washington, USA
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