May weather forecastSaint Johns, IN
May
Weather in May
The last month of the spring, May, is a pleasant month in Saint Johns, Indiana, with an average temperature fluctuating between 68.9°F (20.5°C) and 52.2°F (11.2°C).Temperature
As April transitions into May, Saint Johns sees a rise in the average high-temperature, moving from a refreshing 56.8°F (13.8°C) to a pleasant 68.9°F (20.5°C). The average low-temperature of 52.2°F (11.2°C) is witnessed in Saint Johns during May.Humidity
The average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall in Saint Johns. Rain falls for 18.3 days and accumulates 3.11" (79mm) of precipitation.Snowfall
Months with snowfall in Saint Johns are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Saint Johns aggregates 0.04" (1mm) of snow. In Saint Johns, during the entire year, snow falls for 54.1 days and aggregates up to 13.43" (341mm) of snow.Daylight
In May, the average length of the day in Saint Johns is 14h and 31min.On the first day of the month, sunrise is at 6:36 am and sunset at 8:38 pm. On the last day of May, in Saint Johns, sunrise is at 6:09 am and sunset at 9:06 pm EDT.
Sunshine
In May, the average sunshine in Saint Johns, Indiana, is 8.5h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 5 in May leads to these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Saint Johns, IN
- Average high temperature in May: 68.9°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in May: 52.2°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in May
Saint Johns, IN
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Saint Johns, IN
- Average wind speed in May: 8.6mph
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 (6.3mph).
Average humidity in May
Saint Johns, IN
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in May
Saint Johns, IN
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is May (3.11").
The driest months (with the least rainfall) are January and December (1.34").
Average rainfall days in May
Saint Johns, 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
Saint Johns, IN
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Saint Johns, IN
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Saint Johns, IN
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in May
Saint Johns, IN
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in May
Saint Johns, IN
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Saint Johns, IN
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in May
Saint Johns, IN
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).
