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 sees an increase in the average high-temperature, transitioning from a refreshing 59.2°F (15.1°C) to an agreeable 69.3°F (20.7°C). May presents a pronounced difference from daytime highs, with a consistent average low-temperature of 47.5°F (8.6°C).Humidity
The average relative humidity in May is 51%.Rainfall
In May, the rain falls for 6.8 days. Throughout May, 0.63" (16mm) of precipitation is accumulated. Throughout the year, there are 82.2 rainfall days, and 5.43" (138mm) of precipitation is accumulated.Snowfall
April through August and October are months without snowfall.Daylight
The average length of the day in May is 15h and 2min.On the first day of May, sunrise is at 5:46 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 8:47 pm PDT.
Sunshine
In May, the average sunshine is 11.4h.UV index
In Harwood, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 5 during May translates into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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?
How many days does it rain in May?
When it does not snow?
What is the average length of the day 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
Harwood, WA
- Average high temperature in May: 69.3°F
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is December (36.9°F).
- Average low temperature in May: 47.5°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (25.5°F).
Average pressure in May
Harwood, WA
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in May
Harwood, WA
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is December (4.4mph).
Average humidity in May
Harwood, WA
- Average humidity in May: 51%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (39%).
Average rainfall in May
Harwood, WA
- Average rainfall in May: 0.63"
The wettest month (with the highest rainfall) is January (0.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in May
Harwood, WA
- Average rainfall days in May: 6.8 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is August (2 days).
Average snowfall in May
Harwood, WA
- Average snowfall in May: 0"
The month with the highest snowfall is December (2.76").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in May
Harwood, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (5.4 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in May /
Average sunshine in May
Harwood, 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 36min).
- Average sunshine in May: 11h and 2min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in May
Harwood, WA
- Average sunshine days in May: 21.2 days
The month with the most sunshine days is July (27.5 days).
The month with the least sunshine days is February (15.8 days).
Average UV index in May
Harwood, WA
- Average UV index in May: 5
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
Harwood, WA
- Average cloud cover in May: 22
The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in May
Harwood, WA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Harwood, Washington, USA
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