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
As April transitions into May, River sees a rise in the average high-temperature, moving from a moderate 58.6°F (14.8°C) to a pleasant 70.5°F (21.4°C). Throughout May, the temperature in River falls to an average low of 53.2°F (11.8°C).Humidity
In May, the average relative humidity is 78%.Rainfall
In River, in May, during 18.3 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, in River, there are 153.8 rainfall days, and 25" (635mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in River.Daylight
In River, the average length of the day in May is 14h and 28min.On the first day of the month, sunrise is at 6:39 am and sunset at 8:38 pm. On the last day of May, in River, sunrise is at 6:12 am and sunset at 9:06 pm EDT.
Sunshine
The average sunshine in May is 8.4h.UV index
The average daily maximum UV index in May in River, Indiana, is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 5 during May translates into the following directions:
Ensure safety - Imperative it is to shield skin and eyes from damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in River?
What is the average humidity in May in River?
How many days does it rain in May in River?
When it does not snow in River?
Does it snow in River in May?
How many hours of daylight does River have in May?
When is the sunrise / sunset in May in River?
How long on average sun shines in May in River?
How high is the UV index in May in River?
Average temperature in May
River, IN
- Average high temperature in May: 70.5°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in May: 53.2°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in May
River, IN
- Average pressure in May: 29.97"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
River, IN
- Average wind speed in May: 8.4mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in May
River, IN
- Average humidity in May: 78%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in May
River, IN
- Average rainfall in May: 2.99"
The wettest month (with the highest rainfall) is April (3.07").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in May
River, IN
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in May
River, IN
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
River, IN
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
River, IN
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in May
River, IN
- Average sunshine days in May: 10.5 days
The month with the most sunshine days is October (16 days).
The months with the least sunshine days are February and May (10.5 days).
Average UV index in May
River, IN
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in May
River, IN
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
River, IN
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January and August (5mi).
River, Indiana, USA
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