May weather forecastWashington, AR
May
Weather in May
May, the last month of the spring in Washington, is also a moderately hot month, with an average temperature ranging between max 81.5°F (27.5°C) and min 61.3°F (16.3°C).Temperature
May sees a marginal temperature increase, moving from a warm 73.8°F (23.2°C) in April to a still moderately hot 81.5°F (27.5°C). Washington reports an average low-temperature of 61.3°F (16.3°C) during the nights of May.Heat index
The heat index value for May is calculated to be a hot 87.8°F (31°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Note that heat index values are valued for light wind and location in the shade. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
In May, the average relative humidity in Washington, Arkansas, is 77%.Rainfall
In May, the rain falls for 13.5 days. Throughout May, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 142 rainfall days, and 27.17" (690mm) of precipitation is accumulated.Snowfall
April through December are months without snowfall in Washington.Daylight
In May, the average length of the day in Washington is 13h and 56min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:58 pm. On the last day of May, in Washington, sunrise is at 6:05 am and sunset at 8:20 pm CDT.
Sunshine
The average sunshine in May in Washington is 9.1h.UV index
The average daily maximum UV index in May in Washington is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: In May, a regular UV index of 6 translates into these guidelines:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Washington, AR
- Average high temperature in May: 81.5°F
The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in May: 61.3°F
The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in May
Washington, AR
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Washington, AR
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in May
Washington, AR
- Average humidity in May: 77%
The months with the highest relative humidity are February, March and December (80%).
The months with the lowest relative humidity are August and September (70%).
Average rainfall in May
Washington, AR
- Average rainfall in May: 2.48"
The wettest month (with the highest rainfall) is April (3.07").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in May
Washington, AR
- Average rainfall days in May: 13.5 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in May
Washington, AR
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Washington, AR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.7 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
Washington, AR
- Average daylight in May: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 9h and 6min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in May
Washington, AR
- Average sunshine days in May: 15.1 days
The months with the most sunshine days are January and October (20 days).
The month with the least sunshine days is July (13.6 days).
Average UV index in May
Washington, AR
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Washington, AR
- Average cloud cover in May: 37
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Washington, AR
- 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).
