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 into May brings an increase in the average high-temperature, moving from an enjoyable 64.2°F (17.9°C) in April to a moderately hot 73.9°F (23.3°C). Washington observes an average nighttime temperature of 57.4°F (14.1°C) during May.Humidity
The most humid month is May, with an average relative humidity of 81%.Rainfall
In Washington, in May, it is raining for 18.2 days, with typically 3.31" (84mm) of accumulated precipitation. Throughout the year, there are 153.1 rainfall days, and 31.02" (788mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In May, the average length of the day is 14h and 18min.On the first day of May in Washington, sunrise is at 6:50 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 9:07 pm EDT.
Sunshine
In Washington, the average sunshine in May is 9h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 5 in May translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. When the Sun is at its strongest around midday, find shade and limit exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Washington?
What is the most humid month in Washington?
What is the average humidity in May in Washington?
How much does it rain in Washington in May?
When it does not snow in Washington?
Does it snow in Washington in May?
How many hours of daylight does Washington have in May?
What time are sunrise and sunset in May in Washington?
How long on average sun shines in May in Washington?
How high is the UV index in May in Washington?
Average temperature in May
Washington, IN
- Average high temperature in May: 73.9°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in May: 57.4°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in May
Washington, IN
- 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 June (29.94"Hg).
Average wind speed in May
Washington, IN
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in May
Washington, IN
- Average humidity in May: 81%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Washington, IN
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is April (3.98").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in May
Washington, IN
- Average rainfall days in May: 18.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in May
Washington, IN
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Washington, IN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Washington, IN
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days in May
Washington, IN
- Average sunshine days in May: 10.5 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in May
Washington, IN
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Washington, IN
- Average cloud cover in May: 40
The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Washington, IN
- 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).
Washington, Indiana, USA
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